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Physics Expert Witnesses

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Howard J. Cohen, PhD
President
3272 Cowper Street
Palo Alto CA 94306-3004
USA
phone: 650-856-8123
fax: 650-856-4273
Howard J. Cohen, PhD, has over 30 years of experience in Software Engineering, Architecture and Implementation. He possesses particular expertise in Algorithms, Relational Databases, Graphical User Interfaces (GUIs) and Software Applications in general. His experience has been in a broad spectrum of technology, in several languages, in a wide variety of applications, and on multiple platforms. Dr. Cohen's background includes Electronic Design Automation, Bioinformatics, Digital Cartography, Banking Systems for Foreign Exchange Traders, and many more. He is the co-inventor on approximately 120 patents.

Dr. Cohen has over 15 years of experience as an Expert Witness. He possesses excellent written and verbal communications skills, including the ability to express himself well in interpersonal contacts, make presentations to large audiences, explain complex concepts clearly, and write well on levels ranging from the scientific to end user documentation. He is available to analyze complex systems, to write clearly about technical issues, and communicate face-to-face in a manner appropriate for any audience to understand the issues, the technology and the point of view. Dr. Cohen has been deposed and testified at arbitration hearings and in Federal Court.

Expert Witness Projects Include:
  • Trade Secrets
  • Copyright
  • DMCA - Digital Millennium Copyright Act
  • Patent Infringement
  • Source Code Analysis
  • Business Practices
  • Damages Analysis
  • Computer Software Security / Forensics
View Consulting Profile.
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David W. Riley
President, PhD and Physical Organic Chemistry
858 Princeton Ct.
Branchburg NJ 08853
USA
phone: 908-369-7260
fax: 908-369-7260
Dr. David W. Riley is an Extrusion Analysis & Plastics Rheological Consultant. Dr. Riley has spent over nineteen years as a consultant in the field of Plastic Processing. He has over forty years of experience in developing Polymer Defect Technology and fifteen years in developing the field of Plastic and Polymer coefficient of friction related to the feed section of the extruder.

Areas of Expertise:
  • Expert Witness
  • Analytical Instrumentation Adaptation to Processing Equipment
  • Friction Analysis
  • Melt Rheology
  • Extrusion Equipment: Design & Analysis of Production
  • Telecommunication Cables and Insulation
  • Power Cables and Testing XLDPE
  • All phases of PVC Compounding & Extrusion
  • Thermal Stability of Polymers
  • Surface Chemistry, Metals & Polymers
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Gary E. Kilpatrick, PE, DFE
President and Chief Engineering Officer
3397 Cherrybrook Drive
Jamestown NC 27282
USA
phone: 336-841-6354 (Office) 336-803-1639 (Cell)
fax: 336-841-6375
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Who is Kilpatrick Forensics?

Kilpatrick Forensics is a forensic engineering firm that provides forensic engineering services for our legal and insurance clients. Mr. Kilpatrick travels throughout the United States in order to investigate motor vehicle crashes and product defects and failure claims resulting in personal injury or death. Mr. Kilpatrick is a board certified vehicle crash reconstruction engineer through the National Academy of Forensic Engineers (NAFE) and is a Diplomat Forensic Engineer (DFE). He is also a part-time instructor for Northwestern University through their Center For Public Safety and is a firm believer in continuing education.

The Mission of Kilpatrick Forensics:

Mr. Kilpatrick’s mission is to provide to you forensic engineering services that are dedicated to the application of the art, science and methodology of engineering and the scientific method in order to answer questions of fact in the jurisprudence system to assist the trier of fact concerning motor vehicle accidents and motor vehicle product defect and failure claims. Mr. Kilpatrick utilizes his engineering knowledge, skill, experience, training and education to give you an objective professional opinion that is thorough and comprehensive, understandable and timely. He has submitted written expert reports in state and federal court and has given sworn expert testimony under oath during both deposition and trial.

What services does Kilpatrick Forensics provide? (also see the following pages)
  • At-Scene Investigation and Evidence Mapping
  • Motor Vehicle Crash Reconstruction
  • Vehicle Crash Testing
  • Vehicle Skid Testing
  • Image, Store and Analyze a Vehicle’s Crash Data Report (CDR) stored in the EPROM circuitry of a Vehicle’s Airbag Control Module (ACM)
  • Photogrammetry Studies of Police Photographs
  • Airbag and Seat Belt Inspections
  • School Bus Crash Reconstruction
  • Tractor Trailer/Heavy Trucks Crash Reconstruction
  • Motorcycle Crash Reconstruction
  • ATV and ROHV Crash Reconstruction
  • Computer Based Dynamic Motor Vehicle Crash Simulations Videos
  • Standards of Care for Motor Vehicles
  • SAE Standards
  • National Highway Traffic and Safety Administration (NHTSA) Regulations
  • Federal Motor Vehicle Safety Regulations
  • Product Defect and Failure Analyses
  • Machine Design and Analyses
  • Computer Aided Design (CAD)
Who are the clients of Kilpatrick Forensics?

Mr. Kilpatrick works with law firms, public defenders and insurance companies on civil plaintiff, civil defendant, criminal and insurance claimant cases.

How can you contact Kilpatrick Forensics?

Mr. Kilpatrick’s corporate office is located in Jamestown North Carolina. Visit our website at www.kilpatrickforensics.com. Please feel free to contact him any time at office at 336-841-6354 or cell phone at 336-803-1639.
During 1990, the Specialty Vehicle Institute of America (SVIA) with the assistance of the American National Standards Institute (ANSI) published the first standard for ATVs referred to as ANSI/SVIA-1-1990. During 2001, ANSI/SVIA revised this standard referred to as standard ANSI/SVIA 1-2001. The standard was revised again during 2007 and again in 2010 and is referred to as standard ANSI/SVIA 1-2010.

A Traffic Accident Reconstruction is a process by which an engineer determines from all available information and evidence how and why a traffic accident occurred including but not limited to pre-impact and post impact vehicular velocity vectors, pre-impact and post impact vehicular direction vectors, vehicular change in velocity (Delta-V), momentum vectors, vehicles' point of impact on the roadway, vehicular visibility by a driver, vehicular crash data retrieval reports if assessable, accident factors and causes.

7/8/2011 · Engineering
Quality control starts at the point of product conception and is carried all the way through to the final design and manufacture of a product.

Some motor vehicle accidents take place during the night time hours when natural sun light is not present.

When we drive our vehicles down the road, we are driving them at a certain velocity and direction. All vehicles have weight and mass to the order of a few hundred pounds for a motorcycle, a few thousand pounds for a large SUV or luxury car or several tons for a tractor-trailer truck. When our vehicles move at speed down the road, they create energy by virtue of their mass and forward velocity

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Time-Variable Systems, LLC
Jamie Chapman, PhD
Renewable Energy Systems Consultant
500th Throckmorton St.
Fortworth TX 76102
USA
phone: 617-513-8429
Jamie-Chapman-Renewable-Energy-Systems-Expert-Photo.jpg
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.

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.