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Design Engineering Expert Witnesses

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Time-Variable Systems, LLC
Jamie Chapman
500 Throckmorton St.
MS 2101
Fort Worth TX 76102-3808
United States
phone: 6175138429
Jamie Chapman, PhD, provides more than 35 years of broad technical, engineering, operational and economic expertise in the areas of Renewable Energy and Power Conversion Systems. Service as Expert Witness and Expert Consultant to law firms and agencies.

Dr. Chapman's experience includes research and development focused on the technologies needed to maintain leadership for the next, next generation of multi-megawatt wind turbine power plants, including turbulence detection by lidar and radar. His work in this area generated four patent disclosures.

From 2004-2010, Dr. Chapman served as Associate Director of the Wind Science and Engineering Research Center at Texas Tech University. As part of the Senior Research Faculty, he was a principal in achieving $10 million in external funding to implement a wind energy research and education program. Dr. Chapman delivered a graduate-level course on wind turbine design, control, grid interface and economics and initiated Texas Tech's program on the integration of wind turbines with desalination systems.

Dr. Chapman has provided national and international Expert Witness services in Patent, System Performance, Manufacturing Defects, and other litigation areas. In addition to his very broad technical background, Dr. Chapman is an excellent communicator, orally and in writing, of sophisticated and complex technological concepts.

Currently the principal at Time-Variable Systems LLC, Texas and New York, Dr. Chapman's focus and areas of expertise include:
  • Innovative Electric Machines
  • Variable Speed Electric Generators
  • Marine Hydrokinetic Power Conversion Systems
  • Radar Sensing
  • Megawatt-scale Power Processing and Control via Power Electronics
  • Wind Turbines
  • Energy Storage
  • Rotary and Linear Electric Machines
  • Electronic Power Conversion
  • Control and Grid Interface
View Dr. Chapman's Consulting Profile.
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Senior Officer-Environment
Kudilil House, Eravimangalam
Kottayam 686613
phone: 987-067-0240
TCE Consulting Engineers Limited (TCE) is one of India's leading Engineering Consulting Organizations. TCE offers a wide range of multi-disciplinary services in project engineering across several sectors. The firm has completed more than 4500 assignments, including the engineering of several power plants with total installed capacity of over 41,000MW, several large urban water supply and waste water projects, as well as those for smaller towns, facilities inside battery limits and offsite facilities for several chemical and industrial plants.

TCE has highly qualified and experienced professionals on its rolls. Design offices are located in several cities in India - Mumbai, Bangalore, New Delhi, Chennai, Kolkata, Pune and Jamshedpur, and a branch office in the USA and South Africa.

TCE has successfully carried out several assignments overseas — in South East Asia, the Middle East, Africa, Europe, Asia Pacific, Australia and the Americas.

TCE has done projects funded by:
  • World Bank
  • Asian Development Bank
  • United Nations Development Programme
  • Japan Bank for International Cooperation
  • United Nations Industrial Development Organization
  • World Health Organization
  • United States Agency for International Development
Services Include:
  • Environmental Impact Assessment
  • Environmental Survey & Consultations
  • Environmental Data Analysis & GIS mapping
  • Environmental Sampling, Monitoring & Pollution Analysis (Air, Water & Soil)
  • Environmental Clearance & Liaison with Statutory Authorities
  • Industrial Site Visits and Identification of Suitable Waste Disposal Sites & Methodologies
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Steven Kushnick
Principal Engineer
P.O. Box 670084
Marietta GA 30066
phone: 770-591-1720
fax: 770-591-7996
Mechanical Engineer - Turbomachinery Expert. Gas turbine engines, steam turbines, jet engines, compressors, pumps, expanders, generators, cogeneration, combustion equipment, diesel engines, and reciprocating compressors. Failure analysis, stress analysis, mechanical design, design analysis, troubleshooting, performance analysis, durability assessment. Access to metallurgical laboratory. Experienced Expert witness.

Please see our Service List at for a concise description.
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Matthew I. Stein, PE
10591 Belford Place
Truckee CA 96161
phone: 530-587-7618
Matthew I. Stein, PE, principal of Stein Design, has 12 patents to his name, 30+ years of Mechanical Engineering experience specializing in Product Design & Development, and 10+ years of Expert Witness experience with Patent Litigation and Product Liability. Multiple Injury cases relating to drinking fountains or involving the use of Safety Showers/Eyewashes. He has designed highly successful products for industry leaders such as Hewlett Packard, Seagate, IGT, Duraflame, Plantronics, and Haws.

Litigation Support - Mr. Stein’s background as a National Merit Scholar, MIT graduate, and bestselling author, combined with his extensive media experience on television, radio and in public speaking engagements, make him a formidable expert witness who is not only technically savvy but also presents exceptionally well in front of judge and jury.

Most cases settled out of court, but in one patent infringement case where Stein was the key expert witness for plaintiff, the jury awarded an 8 figure judgment, and in a recent liability case where Stein testified on behalf of plaintiff, the jury awarded $1.8 Million. As a former world class rock climber, and licensed general contractor, he can also offer testimonial on climbing accidents and job site safety.

Expert Witness Experience:
  • 21 cases total (15 patent related, 2 related to trade secrets, and 4 related to product liability)
  • Authored approximately 34 expert reports
  • Provided deposition on 12 different occasions
  • Provided expert witness court testimonial on multiple days for each of 3 jury trials
Areas of Expertise:
  • Patent Infringement and/or Invalidity
  • Consumer Product Design & Liability
  • Cash Machines & Paper/Membrane Handling Devices
  • Telephone Head Sets & Small Scale Sonar Devices
  • Water Filtration, Drinking Fountains, & Misc Plumbing Products
  • Safety Showers & Eyewash Equipment
  • ANSI/ISEA/OSHA for Emergency Eyewash & Shower Equipment
  • Plumbing Fixtures & Valves
  • Medical Filters
  • Photovoltaic Panels
  • Plastic Part Design & Application
View Matthew Stein's Consulting Profile.
Matthew Stein, PE
Disasters often strike without warning and leave a trail of destruction in their wake. Yet armed with the right tools and information, survivors can fend for themselves and get through even the toughest circumstances. This book provides a thorough, practical guide for how to prepare for and react in many of life's most unpredictable scenarios.
Matthew Stein, PE
This book, comprehensive primer on sustainable living skills—from food and water to shelter and energy to first-aid and crisis-management skills—prepares you to embark on the path toward sustainability. But unlike any other book, Stein not only shows you how to live “green” in seemingly stable times, but to live in the face of potential disasters, lasting days or years, coming in the form of social upheaval, economic meltdown, or environmental catastrophe.
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Daniel Rapperport
8 Wallis Court
Lexington MA 02421
phone: 781-862-9001 or 339-222-2822
Rapperport Associates, Inc., provides exceptional capability in Failure Analysis, Fire and Explosion Investigation, Accident Reconstruction, Structural Analysis, Mechanical and Electrical Engineering, Metallurgy and Materials Science.

We have provided superior technical support for litigation since 1974, and possess an extraordinarily talented technical team with impeccable academic and industrial credentials and proven analysis capability. Our team of distinguished scientists and engineers is drawn principally from Massachusetts Institute of Technology (M.I.T.) and Stanford University.


Failure Analysis
  • Structural Design Analysis
  • Metallurgical Failures
  • Finite Element Stress Analysis
  • Fracture and Fatigue Analysis
  • Scanning Electron Microscopy
  • Corrosion

  • Accident Reconstruction
  • Automobiles / Trucks
  • Biomechanics / Injury Mechanism
  • Off-Road Vehicles
  • Occupant Motion
  • Aircraft
  • Animation

  • Fire & Explosion Analysis
  • Cause and Origin
  • Electrical
  • Gases, Liquids and Dust
  • Industrial Processes
  • ........Safety
  • Machine and Industrial Safety
  • Machine Guarding
  • Construction Failures
  • Slips, Trips, Falls

  • Engineering
  • Mechanical
  • Structural / Civil
  • Metallurgy
  • Materials Science
  • Aeronautics and Astronautics
  • Electrical
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    Robert O. Peruzzi, PhD, PE
    Forensic Engineer and Technical Consultant
    R. Peruzzi Consulting, Inc.
    719 Fourth Avenue
    Bethlehem PA 18018
    phone: 610-462-3939
    Robert O. Peruzzi, PhD, PE is a Licensed Professional Electrical Engineer with particular expertise in Mixed-Signal Integrated Circuits (MSICs). His subspecialty within this broad category is with Integrated Circuits (silicon chips) used for signal-processing.

    Dr. Peruzzi has a Wide ranging experience within the electronics industry, beginning with assembling, then repairing, and designing test equipment. He then moved on to integrated circuits, first testing, then designing subcircuits, and finally modeling and verifying large mixed-signal "systems on a chip".

    Dr. Peruzzi has been court qualified as an Electrical Engineering Expert. Areas of practice: Electronic and Electro-Mechanical Systems and Mixed Signal IC Patent Litigation . His services are available to attorneys for both Plaintiff and Defense.

    Areas of Expertise:
    • Design
    • Behavioral Modeling and Verification Expertise
    • Radio Frequency (RF)
    • Analog and Mixed-Signal Integrated Circuits
    • Systems-on-Chip
  • Circuit Analysis
  • Patent Analysis
  • ICs
  • Modules
  • Electro-Mechanical Systems
  • View Consulting Profile.
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    R. Kevin Smith, P.E.
    President, R. K. Smith Engineering
    1539 Chalone Ct.
    Crown Point IN 46307
    phone: 219-226-9510 (Office)708-790-1938 (Cell)
    R. Kevin Smith PE, BSME, MMAE, has been a specialist in Engineering Forensic Safety and Design for 35 years. He has consulted on over a 1,000 matters nationwide.

    Mr. Smith is a registered professional engineer and holds a BSME and MMAE from the Illinois Institute of Technology in Chicago. He specializes in Material Handling Equipment Safety, including lift trucks, dock safety, truck loading, conveyors, and aerial work platform safety.

    Mr. has been actively involved as a member of the committee that writes the Safety Standard for Low Lift and High Lift Trucks (ASME/ANSI B56.1) for over 30 years. He also serves on the B56.6 committee (rough terrain lift trucks) and the ANSI A92.5 and A92.6 subcommittees (self-propelled elevating work platforms).

    Litigation Support - Mr. Smith formerly worked for Triodyne, Inc. for over 15 years as a forensic engineer/principal engineer. As President of R. K. Smith Engineering Inc., he currently has a laboratory for examination and testing, and owns or has access to varied testing equipment and tools.

    Kevin Smith has testified at depositions and trials on several hundred matters. He has performed hundreds of investigations into product failures involving injury and property damage, and has reconstructed numerous accidents. His expertise is available to counsel representing both Plaintiff and Defendant. Mr. Smith also is on the Adjunct Math faculty at Prairie State College.

    Areas of Expertise:
    • Forklift Trucks
    • Aerial Work Platform Lifts
    • Product Testing
    • Material Handling / Lifting / Rigging Equipment
    • Accident Reconstruction
    • Machine Guarding
    • Safeguarding
    • Warnings
  • Agricultural and Construction Equipment
  • Skid Steer Loaders
  • Stability Testing
  • Loading Dock Safety
  • Consumer Products / Testing
  • OSHA Citations
  • Codes & Standards
  • Standard of Care in Design
  • View R. Kevin Smith's Consulting Profile.
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    T. Kim Parnell, PhD, PE
    1150 Kelsey Dr.
    Sunnyvale CA 94087
    phone: 408-203-9443

    Medical Devices, Biotech, Failure Analysis, Mechanical Eng, Materials, Reliability, Expert Witness

    Kim Parnell Mechanical Engineer Expert PhotoT. Kim Parnell, PhD, PE is a Professional Mechanical Engineering consultant with strong experience in a number of technology areas. He holds PhD and MSME degrees from Stanford University in Mechanical Engineering and a BES from Georgia Tech. He specializes in the mechanical engineering design and behavior of Biomedical Devices, Superelastic and Shape Memory Metals (Nitinol), Bioabsorbable Polymers, Composites, Fiber-Reinforced Materials, Electronics, and Consumer Products. Dr. Parnell consults actively in these areas using finite element analysis and other advanced technologies to improve designs, to perform failure analysis, and to improve reliability.

    Dr. Parnell served on the Mechanical Engineering faculty at Santa Clara University from 2010-2012 and was previously a Visiting Associate Professor at Stanford University. He lectured in the Stanford Composites Design Program, and is a coach and mentor for the innovative Stanford Biodesign Program. He has worked for companies including MSC Software, Rubicor Medical, Exponent Failure Analysis Associates, SST Systems, ATT Bell Laboratories, Stanford University, and General Motors.

    Dr. Kim Parnell has experience as a medical device patent litigation expert, as an expert in product liability matters (including heavy truck crashworthiness), and frequently serves as an expert witness and litigation consultant. He has testified in both trial and deposition, and has also authored expert reports. Dr. Parnell's litigation support services are available to attorneys for both plaintiff and defense.

    Areas of Expertise:
    • Patents and Intellectual Property
    • Medical Devices
    • Medical Instrumentation
    • Composite Materials
    • Finite Element Analysis (FEA) & Simulation
    • Cell Phones, Personal Electronic Devices
    • Gas Leaks, Pipe Failure, Vapor Cloud Explosions
  • Shape Memory Materials
  • Heavy Truck Crashworthiness
  • Consumer Products
  • Product Design Refinement
  • Piping, Pressure Vessels
  • Failure Analysis
  • Reliability
  • Selected Professional Memberships:
    • Registered Professional Engineer (Mechanical), California
    • ASME (American Society of Mechanical Engineers), Fellow
    • SAE (Society of Automotive Engineers), Member
    • IEEE (Institute of Electrical & Electronics Engineers), Senior Member
    • ASM International, Member
    • SMST (Shape Memory and Superelastic Technologies), Member
    View Dr. Parnell's Consulting Profile.
    Rail residual stress distributions can be complex and variable in nature, as different manufacturing techniques produce varying stress magnitudes and distributions. To evaluate the effect of residual stresses on rail integrity, an analysis technique was sought that could quantify the effect of these stresses on web crack propagation.

    The computer program LS-DYNA3D was used to simulate the behavior of a specific, though representative, heavy truck cab-over tractor-trailer vehicle during a full 180° rollover event. These simulations provide a key component in the development of a physical testing procedure for evaluating structural integrity and occupant crash protection system designs in heavy trucks.

    2/18/2014 · Medical
    The United States Food & Drug Administration (FDA) requirements for Class III implantable medical devices requires a 10 year life, or approximately 400 million cycles of service.

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    Mari S. Truman, PE
    Principal Engineer
    221 N. Union St.
    Waraw IN 46580
    phone: 574-265-1726
    fax: 866-470-6125
    Mari S. Truman, PE, has more than 37 years of experience in Orthopedic Product Design and Development. As Principal Engineer with her company, Orthobiomech, LLC, she acts as an R&D design and development consultant to the orthopaedic industry and an injury biomechanics and medical device forensic expert.

    Ms. Truman's design experience includes implants and instrumentation systems used to repair fractured bones, torn ligaments and/or to reconstruct spine, knee, wrist, hip, ankle, elbow, thumb based cmc, and other finger and toe joints for many of the USA based orthopaedic conglomerates and a few Asian, Australian and European firms.

    Having designed and developed implants and instruments used for both human joint reconstruction and skeletal trauma repair, Ms. Truman is named on 12 Orthopaedic Patents and frequently gives talks on implant design and injury biomechanics on topics such as: knee and thumb-based joint surfaces and kinematics, joint design, rapid prototyping, medical device design control, and injury biomechanics.

    Litigation Support - Ms. Truman has been providing Forensic Impact and Injury Biomechanics and Orthopedic Biomechanics to the legal industry for over 15 years. She draws on her strong knowledge of FDA and ISO EN13485 compliant design control processes, failure modes and effects analysis, clinically relevant tissue loading, and design safety assurance, including device performance requirements and warnings, during her medical device litigation reviews. Ms. Truman has a strong knowledge of the production and quality assurance processes used in the manufacture, cleaning, and sterilization of medical devices and the effects of such processes on product performance.

    Analysis of Traumatic Injuries Related To:
    • Falls and Fall Recovery
    • Vehicular Collisions
    • Assaults and Fights
    • Projectile Impacts
    • Occupation or Workplace
  • Failed Medical Implants
  • Assistive Devices
  • Orthotics
  • Consumer Products
  • Sports and Recreation, Occupational Overuse / Injury
  • View OrthoBioMech LLC's Consulting Profile.
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    Bill O'Donnell, Jr.
    2940 South Park Road
    Bethel Park PA 15102
    phone: 412-835-5007
    fax: 412-835-5017
    O'Donnell Consulting Engineers, Inc. (OCE) provides engineering, failure analysis, metallurgy, and expert witness services. Providing analytical, design, testing, and technical problem solving services for more than 30 years, our extensive experience gives us credibility in expert witness testimony. Our results are based on quantified engineering principles and analysis- not just opinions. We have testified in International, Federal, and State Courts, presenting comprehensive technical reports, models, and simulations that are easily understood by Judges and Juries.

    Services Offered:
  • Mechanical Engineering: Design and analysis services including finite element analysis. Troubleshooting and providing design repair solutions.
  • Failure Analysis: Metallurgy, analysis, and testing of components to determine root cause of structural failures and fires/explosions.
  • Product Liability & Patent Infringement
  • Sample Cases:
  • Power plants
  • Petrochemical facilities
  • Dams
  • Heat exchangers
  • Piping
  • Pumps
  • Valves
  • Machine tools
  • Welded structures
  • Appliances
  • Sport equipment
  • "We are often asked to solve simple to complex engineering problems - the key to our effectiveness has been our ability to integrate interdisciplinary talent in materials science and engineering" - Bill O'Donnell, President
    The largest storage rack/ retrieval system, larger than two football fields and eighty feet wide was constructed to store 108 million pounds of paper products. On July, 2002, after two months of use, the facility collapsed and sparked a fire that destroyed the entire structure and 45 million pounds of paper. Nearly 50 fire departments responded to the inferno, which burned for three weeks. The owner of the facility sued a number of companies that included the contractor that designed and built the structure, a subcontractor, and the company that supplied the 110 foot steel columns.

    4/5/2013 · Engineering
    A comprehensive engineering analysis was performed on a coke oven battery roof and heating walls. Coke oven batteries are constructed with refractory bricks.

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    Michael J. Slifka, PE
    3221 Conservancy Lane
    Middleton, WI 53562
    Serves: All States USA
    phone: 608-692-3096 (cell) or 608-827-5241
    fax: 608-608-827-5243
    Michael J. Slifka, PE is an internationally recognized Licensed Professional Fire Protection Engineer and Fire Protection Consultant. He has spent over 30 years working to protect others by promoting fire safety.

    Mr. Slifka has served as president/CEO of a leading fire protection engineering company. He acted as Chief of Safety, Fire Protection, and Occupational Health for the Veterans Administration, the world’s largest health care organization responsible for, among other duties, the compliance of 172 hospitals and 225 outpatient clinics to JCAHO criteria. Mr. Slifka served on the National Conference of States on Building Codes and Standards (NCSBCS); the National Bureau of Standards; the National Fire Protection Association; the US. General Services Administration; Rolf-Jensen & Associates; Republic Steel Company; and the Ohio Inspection Bureau.

    Mr. Slifka has investigated hundreds of fires during his fire protection career, and has been qualified as an expert witness in both deposition and at trial in U.S. Federal and State Courts. He is the principal resource to the manufactured housing /building industry on litigation for fire cause and origin, alleged defective construction practices, and wrongful injury and death cases. Mr. Slifka's services are available to attorneys for both Plaintiff and Defense.

    Areas of Expertise:
    • Fire Safety Testing
    • Fire Safety Training
    • Fire Safety Retrofits
    • Electrical Testing
    • Structural Testing
    • Fire Protection Engineering
    • Fire Engineering Consulting
    • Fire Protection Research
  • Building Codes / Standards
  • Inspection / Design Review
  • Stairway & Pathway Design
  • Slip, Trip & Fall
  • High-Rise Safety
  • Health Care Institutional Safety
  • Industrial Safety
  • Manufactured Housing Safety
  • View Michael Slifka's Consulting Profile.
    "Slifka, who recently played a crucial role in winning a $3 million judgment and $25 million in punitive damages, in one case, and in the successful defense of a $4 million lawsuit, in another case, is now a member of "
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    Anthony G. Micale, Aerospace Engineer, BSME, MBA
    Paul J. Micale, Pilot, Masters Aeronautical Science
    Aircraft Design, Operations and Flight Experts
    Global Reach
    Based in Southern California, USA
    Solvang CA USA
    phone: 805-688-5035 (Office) 805-729-5989 (Cell)
    Micale Partners has over 60 years of combined technical and operations experience in Aircraft Design and Operation, Space Launch Vehicle Design and Operation and Automotive Design. They provide services to clients both nationally and internationally.

    Micale Partners combines expertise in aerospace design, aircraft flight and airline operations. This combination provides the client a consulting resource that understands how a system should be designed, fabricated, assembled and used. The depth and complete knowledge of aviation allow Micale Partners to serve as a formidable expert witness resource. The experts at Micale Partners also provide a diverse background of industry experience ranging from aircraft to automotive to space launch vehicles.

    Litigation Support Services:
    • Documentation Review
    • Failure Root Cause Investigation
    • Engineering Corrective Action Definition
    • Transcript Review / Process Review
    • Event, Incident, or Accident Timeline Mapping
  • Event Recreation
  • Design Deficiencies Failure
  • Vehicle Performance
  • Fact Finding Analysis
  • Human Factors Assessment
  • Anthony Micale Aerospace Automotive Engineering Expert PhotoAnthony G. Micale, BSME, MBA, has over 32 years of Aerospace and Automotive Engineering experience, including rigorous Failure Analysis. Mr. Micale is a dual citizen of the Unites States and the European Union. He has Top Secret Clearance TS/SCI – Special Intelligence (SI) / Talent Keyhole (TK)and Department Of Defense (DOD) Secret Clearance.

    Mr. Micale is also currently employed at The Aerospace Corporation, a Federally Funded Research and Development Corporation where he contributes to US space flight mission assurance. He has specialized in aerospace design and operation of flight and space vehicles with an emphasis on Flight Safety and Mission Assurance. Mr. Micale is a past technical leader of an aircraft accident and incident investigation board comprised of engineers, pilots and legal counsel for a major commercial aircraft manufacturer. In this role he has studied, understood, created reports and defined design changes to resolve aircraft safety issues.

    Over his career, Mr. Micale has conducted numerous analyses of root cause to determine failures attributed to: Design Flaws, Human Error, Human Workload, Improper Manufacturing, and Inadequate Maintenance. He has designed aircraft systems, conducted testing and performed evaluation that have led to aircraft certification with the FAA and the CAA. His experience includes interface with aircraft manufacturers, space vehicle manufactures, commercial aircraft operators and government agencies.

    Anthony Micale has also been employed by Ford Motor Company where he designed automotive vehicle powertrains and vehicle control systems. He has vehicle dynamics training and understands the basis for vehicle stability and car crash dynamics.

    Practice Areas:
    • Aerospace Engineering
    • Aircraft Engineering
    • Failure Investigation
    • Failure Analysis
    • Aircraft Safety
    • Risk Assessment
    • Flight Controls Systems Design
  • Human Factors
  • Hazardous Operations
  • Space Vehicle Design
  • Fact Finding Event Reconstruction
  • Technical Drawings
  • Throttle Control
  • Anti-Lock Brakes

  • Paul J. Micale, Pilot, Masters Aeronautical Science, is an active airline pilot with 26 years of flight experience 13 of which are under FAR Part 121. Specializing in Aviation and Aerospace and Transportation, he has over 7,200 flight hours with multiple ratings.

    A decorated veteran, Mr. Micale has also been forward deployed as a combat pilot with the US Army during 7 years of active duty. He has been a combat pilot in both the C-12 (Beechcraft 200) aircraft and the AH-64 Apache Attack helicopter.

    Mr. Micale's career includes continued service as a Lieutenant Colonel in the US Army Reserves where he has been a pilot and commander of flight units. As a military pilot, Mr. Micale has flown fixed and rotary wing helicopter aircraft. His education and experience emphasizes Flight Operations and Safety. He has Department Of Defense (DOD) Secret Clearance.

    Paul Micale is a licensed civilian Airline Transport Pilot with type rating as Pilot in Command and is currently employed by American Eagle Airlines as a CRJ-700 Pilot and First Officer in the Canadair Regional Jet aircraft with 65 seat occupancy. He is FAA certified for CAT II instrument approaches and to fly in Reduced Vertical Separation Minimum (RVSM) airspace. Mr. Micale is type rated for this and other aircraft requiring an FAA type rating. He has a Masters of Aeronautical Science with a specialization in aviation safety from Embry-Riddle Aeronautical University.

    Practice Areas:
    • Airline Pilot
    • Military Pilot
    • Aviation Pilot
    • Army Aviator / Army Pilot
    • Flight Operations
    • Helicopter Pilot
    • Aircraft Safety Risk Assessment
    • Human Factors
  • Crew Resource Management
  • FAR 121 Pilot
  • FAR Part 121 Pilot
  • FAR 135 Pilot
  • FAR Part 135 Pilot
  • Flight Safety
  • Aircraft Safety
  • Crewmember Fatigue.
  • View Micale Partners Consulting Profile.
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    George Yanulis, MEng, MS, DEng
    210 Ashley Run
    Voorhess NJ 08043
    phone: 216-571-1532
    George Yanulis, MEng, MS, DEng, is a nationally recognized Cardiovascular Device Product Development and Research Engineer and has conducted cardiovascular device research at the Cleveland Clinic Foundation. He has published in the areas of atrial fibrillation (AF), cardiac pacing, and congestive heart failure devices.

    Dr. Yanulis has a Doctorate in Engineering in a joint program between Cleveland State University and the Cleveland Clinic Foundation in Biomedical Engineering; a Master of Science from the University of Pittsburgh; and a Master of Engineering in Biomedical Engineering from the University of Virginia.

    Dr. Yanulis’ Medical technology experience has consisted of familiarity with the design, use, and applications associated with a variety of medical devices and software used for: cardiac pacing, ventricular assist, cardiac echocardiography and electrophysiology, vascular stents, physiological monitoring, medical imaging, neurological therapy, surgery, among others. He is currently teaching a cardiac device course in Temple’s Bioengineering Department and has been involved in research and development of cardiac pacing systems at the Cleveland Clinic.

    Litigation Support - Dr. Yanulis has provided testimony in 6 depositions in the last 4 years (without a Daubert Challenge) and has been an Expert Witness and medical device consultant for 10 years and has been involved in numerous medical device liability and patent infringement cases for both the Plaintiff and the Defendant sides. He has been involved in cases involving:
    • Implantable Cardiac Defibrillator (ICD) Device Systems
    • ICD Lead Design and Failures (including the St. Jude medical Riata leads)
    • Cardiac Pacemaker Systems Research and Development
    • Cardiac Pacing Lead Design and Development
    • Cardiac Pacing Lead Failures
    • Heart Failure Therapy Devices
    • Cardiovascular Imaging (including cardiac echo and MRI system design and maintenance)
    • Atrial Fibrillation Therapy Device Systems
    • Ventricular Assist Devices: Cardiac Stents; and Cardiac Valves
    View Dr. Yanulis' Consulting Profile.
    7/12/2017 · Failure Analysis
    Plaintiff was admitted to a health care facility with ventricular tachycardia (VT). He had a normal coronary angiography with moderate left ventricular (LV) function and was referred for an implantable cardiac defibrillator (ICD) implant procedure. A diagnosis of right ventricular outflow tract tachycardia was made. He was then admitted for an ablation procedure in March 2005, which was successful. In April 2005, he was readmitted with a further occurrence of tachycardia which required emergency cardio version due to hemodynamic compromise and a temporary pacing wire was placed. There was a further attempt at ablation that was again successful and the LV function noted now to have deteriorated and was noted as having poor functioning. On this basis he was considered a candidate for an ICD implant. There was a further reoccurrence of an episode of ventricular tachycardia (VT) in March and April 2006 which was treated medically and he was discharged.

    6/13/2017 · Medical
    The Medtronic's Enpulse Model E2DR21P Serial number PMU411109 as well as the Atrial Lead (model #496525, SN: LBT042477R-Epicardial Unipolar and the Ventricular Lead (model #496525, SN: LEN036731R- Bipolar Epicardial had been used to continually pace patient in the DDD pacing mode during patient's lifetime. The expert referred to all Medtronic specifications; warnings; and advisories relevant to both the pacemaker and pacing leads used for pacing this completely pacemaker dependent patient).

    8/30/2012 · Medicine
    Protocols for producing experimental heart failure by rapid ventricular pacing are well established [1]; however, for safety reasons, commonly used clinical pacemakers do not allow pacing rates that are sufficient to induce either heart failure (HF) or atrial fibrillation (AF).

    6/27/2012 · Medical
    Cardiac resynchronization therapy (CRT) has been shown to improve symptoms and survival in patients with systolic dysfunction and prolonged ventricular depolarization (wide QRS).1-8 However, atrial fibrillation (AF) may cause significant problems in these patients, particularly when the ventricular rate exceeds the device programmable rate.

    4/23/2012 · Medical
    Recent studies have demonstrated that ventricular rate control is a viable treatment strategy for patients in atrial fibrillation (AF). The purpose of this study was to determine whether or not the benefits of coupled pacing (ie, a proposed rate control therapy) could be used during persistent AF.

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    Dr. James Rice
    3255 Avebury Lane
    Keswick VA 22947
    phone: 434-326-0148
    Dr. James Rice Mechanical Engineering Expert PhotoDr. James Rice has over 35 years of technical and managerial experience in both industry and academia. He has a strong technical background in broad areas of mechanical engineering ranging from fluid mechanics and heat transfer to basic design. Dr. Rice’s primary expertise is in computational methods and simulation in mechanical engineering. His mechanical engineering practice has focused in particular on the development and application of these methods to a diverse range of applications in industry, and has also used these methods in his litigation support activities.

    Dr. Rice has extensive experience as an expert witness in patent litigation involving issues in Mechanical Engineering. Over the last ten years, he has provided litigation support in more than 30 cases including approximately 25 patent cases. This experience has included the preparation of numerous expert reports, depositions, and trial testimony for both plaintiff and defense attorneys. His litigation support activities have also included testing and analysis as required to support his opinions.

    Dr. Rice is the author of over 30 technical publications and has consulted for over fifty companies. He has conducted over 200 seminars and short courses in the U.S., Europe, and the Orient, and has been an invited speaker at international engineering conferences.

    • Computational Methods
    • Heat Transfer / Thermodynamics
    • Turbomachinery
    • Combustion
    • Fluid Mechanics
  • Finite Element Analysis
  • Mechanical Design
  • Intellectual Property
  • Prior Art Review
  • Infringement & Invalidity
  • Industries and Applications:
    • Vehicle Aerodynamics
    • Passenger Compartment Flow
    • Underhood Flow & Heat Transfer
    • Intake & Exhaust Manifolds
    • Intake & Exhaust Valves
    • Engine Cooling Jackets
  • Power Steering Components
  • Cooling Fans
  • Fuel Delivery Systems
  • Ejectors
  • Control Valves
  • Torque Converters
  • Power Generation:Electronics:
    • Valves
    • Fossil & Nuclear Heat Exchangers
    • Thermal Stratification
    • Separation Systems
    • Combustion Systems
  • Enclosures
  • Heat Sinks
  • Natural / Forced Convection
  • Hard Drive Flow
  • Motors
  • HVAC:Turbomachinery:
    • Duct Systems and Components
    • Valves, Fittings
    • Flow & Temperature Distribution
    • Particle Dispersion
  • Pumps
  • Compressors
  • Blowers
  • Fans
  • Aerospace:
    • Aerodynamics
    • Wind tunnels
    • Rotor Loads
    6/24/2013 · Expert Witnessing
    Quite often when I receive an inquiry from an attorney about a new case, the case deals with a product or device that involves a very specialized and narrow area of design and engineering.

    Check for SynapsUs
    John L. Ryan, BSME, PE
    Business Headquarters:
    PO Box 7
    Poncha Springs, CO 8142
    Offices in: CO, MI, AR, USA
    phone: 855-627-6273
    John L. Ryan, BSME, P.E. is a Mechanical Engineer who provides general Mechanical and Structural Engineering expertise. Mechanical and Safety Engineering (MASE) provides full service analysis and accident reconstruction of products involved in accidents. Mr. Ryan's services have been requested for attorneys and insurance companies needing forensic engineering expert witness testimony to determine whether machinery and products involved in injury cases were adequately designed or whether they have a Design, Manufacturing, or Material Defect. All products are lab-tested on site to determine adherence to industry standards and engineering design protocol. Alternate preventative designs are developed when none exist commercially.

    Mr. Ryan is available for both Plaintiff and Defense, depending on the individual case. His services include producing high quality reports and visual aids in the courtroom such as scale models to help explain accident scenarios and alternate designs to judges and juries.

    Areas of Expertise:
    • Accident Investigation and Reconstruction
    • Machine Guarding Accident Investigation
    • Ladder Failure Investigation
    • Design Defect Analysis
    • Structural Analysis of Buildings
    • Product Liability Investigations
    • Crash Data Retrieval
    • General Engineering Injuries and Issues
    • Industrial safety
    • Engineering Continuing Education
    • Product Certification
    View John Ryan's Consulting Profile.
    Tree stand accidents occur frequently during hunting season, causing a variety of injuries from broken bones to paralysis and death. Tree stand accidents involve a variety of causes, including falls from the tree stand, collapse of the tree stand, fires, self inflicted gunshot wounds, and asphyxiation. A study by the Center for Disease Control examined hunting accidents from 1979-1989. 214 of 594 deer hunting related accidents involved tree stands. 52% of these tree stand accidents were due to falls from the stand, 32% were due to collapse of the tree stands.

    This issue of Forensic Clues is the second installment of an examination of ladder accidents. Last month we explored stepladders, this month we will be discussing extension ladders. Ladder accidents are a very common occurrence. Over half a million people annually seek medical attention due to ladder accidents. Over three hundred people are killed yearly in these often preventable accidents. This is a serious problem.

    Ladder accidents occur frequently, often with very serious consequences. Ladders are tools that people use repeatedly, at home and on the job. The CPSC (Consumer Product Safety Commission) states that there are more than 164,000 emergency room-treated injuries annually due to ladders in the United States.

    7/27/2015 · Engineering
    The nursery rhyme involving Humpty Dumpty is a child's first lesson in safety. What would keep Humpty Dumpty safe as he is sitting on the wall? A warning or a railing?

    6/29/2015 · OSHA
    The Bureau of Labor Statistics estimates that between 1,600 and 2,000 amputations occur annually due to power press operation. Another 18,000 people receive less serious injuries annually. Injury statistics compiled by OSHA for the years 1975 through 1983 confirm these figures. These numbers are alarming and unnecessarily high. Power presses can be used safely when the presses are properly designed to minimize the hazard that the operator is exposed to.

    5/26/2015 · Machinery
    Every year there are thousands of debilitating injuries and deaths on farms. Many of these are related to power take-off's (PTO's). PTO shafts are used to power various farming implements, from mowers, hay balers, augers, and many other types of farming machinery. The PTO shaft was invented in the 1930's. The PTO shaft is essentially a shaft powered by the tractor engine that rotates at high speeds, providing power for a wide array of implements. While this provides a convenient source of power to drive farm implements, serious accidents can occur due to entanglement in PTO's. PTO's must be properly equipped with guards including master shields which covers the stub shaft and universal joint. These shields prevent inadvertent contact with the rotating machinery. Contact with unshielded rotating PTO parts can instantly pull a person into the PTO, causing catastrophic damage.

    Rock and ice climbing have become increasingly popular in recent years. Climbing is now a popular form of exercise and adventure, and a great way to enjoy the outdoors. Unfortunately the greater numbers involved in the sport has led to greater number of accidents. Climbing gyms have brought climbing to areas without outdoor rock resources. These indoor gyms use artificial holds to simulate rock walls. Indoor climbing gyms typically have climbs ranging from twenty feet to fifty feet, or more. Bouldering areas are shorter in height, with adequate padding to protect climbers from falls without the need for ropes.

    While many accidents involving products are the result of a product defect that leads to injury of the product user, accidents can also be the result of a failure caused by lack of maintenance or inspection. This issue of Clues will examine the theory behind failure to maintain accidents, as well as provide examples of common accidents that are due to a lack of maintenance.

    Material science is a broad field that has applications in numerous fields. In product injury cases, material science can help identify defects, determine causes of accidents, determine failure modes, and identify inconsistent manufacturing processes.

    1/21/2015 · Product Liability
    No one likes to see children get hurt, especially when it could be prevented. Poor design, manufacturing defects, material defects, assembly errors, and the lack of a hazard analysis can result in hazardous products that injure people. Many products are put in stores that may have never been looked at by a design engineer and/or a safety specialist.

    Fishing and boating accidents result in thousands of injuries each year. The U.S. Coast Guard reported 3331 injuries and 709 fatalities due to boating accidents on both recreational and commercial vessels. There are many causes for these accidents, including collisions with objects or other vessels, drowning, electrical and mechanical failures, interaction with unguarded machinery, and others. There are various acts and laws that govern accidents at sea. This issue of Forensic Clues will examine some of the preventable accidents caused by defective machinery and equipment that occur at sea, and a brief overview of the laws and regulations affecting product liability litigation related to maritime accidents.

    Paintball is a fun activity for all ages, and can be a safe sport if proper precautions are made. Serious eye injury can occur if a paintball impacts the eyeball, making goggles and facemask a requisite part of paintball. Accidents happen in backyard paintball games most frequently, but also at commercial paintball operations. This Clues will examine the typical preventable paintball accidents, as well as examine product failures that can lead to accidents while playing paintball.

    Accident reconstruction involves attempting to determine the sequence of events of an accident and is a crucial part of product liability cases. Understanding exactly what occurred in an accident gives an engineer the best chance of preventing the accident from occurring again. Often there is limited information to base conclusions on what really happened in an accident. Understanding what goes into accident reconstruction will help attorneys understand what information is crucial to this process. Witness testimony is unreliable at best but must be analyzed and cross referenced with the other available information.

    Lawnmowers cause over 50,000 emergency-room visits every year, based on NEISS data on consumer product injuries. These injuries are distributed evenly between ride-on and walk-behind style mowers. The necessary cutting action of a mower results in an inherent hazard, until technology is developed that can cut grass but not living tissue. While various safety advances over the years have reduced the amount of injuries, the extremely high number of accidents related to mowers that continue to occur show the need for further enhancement of product safety.

    Machine guarding accidents cause many accidents and fatalities every year, despite the availability of modern safety technology. In the years from 1992-1996, one study from the Bureau of Labor Statistics (BLS) reported annual injuries due to workers being caught in machinery of 34,350. In 2012 contact with an object or equipment had the second highest workplace fatality rate at 712 deaths.

    6/10/2014 · OSHA
    OSHA was created through the Occupational Safety and Health Act of 1970. OSHA's mission is to ensure worker safety by creating and enforcing safety and health standards. OSHA does many good things to help maintain a safe workplace, but manufacturers often try to hide behind the shield of OSHA, putting blame on an employer for unsafe machinery or working conditions, when often the machinery was never safe to begin with. Some standards promote safety and some standards protect the manufacturer from product liability law suits. Most industrial standards are voluntary, unless they are specifically referenced in a Code of Federal Regulations / OSHA standard. OSHA standards are Federally mandated and are enforced by the Federal government.

    Stored energy is accumulated energy, which can release suddenly, potentially causing serious injury or death. Stored energy has many forms, including pressurized gases and liquids, stored mechanical energy, stored electrical energy, and gravitational potential energy. Stored energy is particularly dangerous because the hazard still exists when the original source of energy is removed. This issue of Clues will explain the various forms of hazardous stored energy, how these energies can cause damage or injuries, and how to prevent stored energy accidents.

    Table saw accidents occur frequently, often resulting in serious accidents when the operator comes in contact with the saw blade. The difficulties in guarding table saw blades with conventional guarding techniques often leads to ineffective guards that are removed by saw operators due to their lack of function and flexibility.

    2/26/2014 · Failure Analysis
    A significant number of elderly persons experience falls every year. In 2010, 2.3 million nonfatal fall injuries involving elderly people were treated in emergency rooms around the country. In the same year, 21,700 elderly people died as the result of unintentional falls. Falls for elderly people are extremely hazardous as they may not recover from fractures and other injuries.

    1/22/2014 · Product Liability
    Product Liability Reform has affected many attorneys, consumers, and experts negatively while failing in its goal of greater American competitiveness. This issue of Forensic Clues is dedicated to addressing the problems of tort reform, how this affects you, and what you as an attorney can do to reduce your costs and increase your chances of a successful product liability case, assuming that the case involves a legitimate product defect.

    A recent failure of a ski lift in Wisconsin has received much media attention. While accidents such as these are rare, they do occur. Much more frequent are accidents involving collisions with other people or objects. This issue of Forensic Clues will examine the types of accidents that occur on the mountains.

    11/11/2013 · Failure Analysis
    Powered winches are in use in a variety of applications, some of the most common include vehicle-mounted electric winches, marine vessel winches, marine recovery winches, industrial winches and chain hoists. Accidents occur in all types of winch uses.

    Between 1982 and 1996, 2,795 people died riding all-terrain vehicles, ATV's. This was found in a study by the U.S. Consumer Product Safety Commission (CPSC). Over thirty percent of the riders killed were under the age of sixteen.

    9/26/2013 · Failure Analysis
    In 2007, an estimated 15,147 lives were saved from seat belt use. Seat belts save five times more lives than airbags, according to statistics released by NHTSA. Seat belt use has increased over the years, due to cultural trends, and possibly due to the enactment of seat belt use laws. Seat belt systems do not always function as predicted. Seat belt systems can fail during a collision, often resulting in serious injury or death to the vehicle occupant.

    Farming is a dangerous occupation. Tractor rollover accidents have been killing people since the 1920's. In 1990, the National Safety Council estimated 460 people were killed while operating tractors. Tractor rollover caused 239 of these fatalities. Another estimate suggests a more conservative number of annual fatalities - 132, that are the result of tractor rollover accidents. In a four-year period in Pennsylvania alone, 72 people died as a result of tractor rollover accidents.

    Automobile collisions result in damage to property and injuries to people. Compensation is sought through insurance claims, law suits, and product liability claims. Knowing when injuries are more or less severe than is warranted by the damage level involved in the collision is important information. This can help people involved on both sides of litigation or settlements.

    7/23/2013 · Warnings & Labels
    Warning labels are an indelible part of our society. Warning labels are everywhere - on our food, on our drinks, on our sweeteners, on our cars, on our tools, on our cigarettes. As consumers we are constantly barraged with multitudes of warnings, cautions, don't do this's, don't do that's.

    Safety Engineering Resources has had the opportunity to learn a great deal about using fiberglass in structural applications, which are simply applications that must support some sort of load. Using fiberglass as a structural material was brought about by the advances made by organic chemists in recent decades in the field of plastics.

    The Occupational Safety and Health Administration (OSHA) estimates that approximately 95,000 injuries occur each year due to forklifts.

    5/14/2013 · Failure Analysis
    Two and a half million rear-end collisions occur every year. Rear-end collisions are usually caused by driver inattentiveness.

    Structural failures of buildings range from catastrophic building failures involving mass loss of life and/or property to structural problems such as sagging floors or ceilings, leaning walls, cracking or sinking foundations.

    Golf cart accident frequency has increased dramatically over the last 20 years. A study by Watson, Mehan, Smith, and McKenzie (Golf Cart-Related Injuries in the U.S., American Journal of Preventative Medicine, 2008) of NEISS data found 147,696 people were treated in emergency rooms for golf cart accidents between 1990 and 2006.

    12/27/2012 · Engineering
    Knowing when a personal injury case is due to the action or inaction of another party, or when responsibility falls fully on the injured party, can be a difficult distinction to make. At Mechanical and Safety Engineering, we have been investigating personal injury cases for decades.

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