Machinery Expert Witnesses

machinery expert testimony

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Machinery expert witness candidates are typically licensed professional engineers with backgrounds in electrical engineeringmechanical engineering (BSME), equipment appraisalstructural engineering, and/or industrial design. The chosen expert could be a member of an industry or technical organization, such as the American Society of Mechanical Engineers (ASME), IEEE, or the National Tooling & Machining Association (NTMA). Machinery experts should also be familiar with applicable OSHA regulations. An engineering expert witness must not only have technical expertise, but also possess the ability to explain technology to lay people. In some instances, counsel may request an expert with prior expert witness testimony experience.

Frequently, matters requiring machinery expert witness services involve intellectual property, such as patent infringement litigation, inter partes review or trade secret disputes. A forensic expert can reverse engineer components to prove (or disprove) intellectual property infringement or theft. A machine design expert witness might also provide testimony in a torts matter like personal injury, a product liability case or an industrial accident investigation

Litigation support by a machinery expert witness could include forensic engineering, an expert report, an expert opinion, and expert testimony in the courtroom. In addition, a plaintiff may seek a machinery expert for pre-litigation consulting services. Cahn Litigation Services has search for machinery experts to support litigation on many occasions. Matter have encompassed:

Cahn Litigation Services has many years experience turning expert witness searches around quickly. We provide candidates with the right balance of expertise and testimony to support each unique project.

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Machinery Expert Witness - Representative Bios

Please Note: All Cahn Litigation expert witness searches are customized to attorneys' precise specifications and preferences. Attorneys are encouraged to discuss search parameters with a Cahn search specialist.

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The below expert witness bios represent a small fraction of those Machinery experts known by Cahn Litigation Services. These bios are provided to give lawyers a sense of the Machinery landscape.

Expert Witness #227258

This expert holds a Ph.D. in Mechanical Engineering and is a Professional Engineer engaged in independent consulting and providing Expert Witness Services. This expert has given trial testimony fifteen times, and has provided services in a dozen patent infringement matters and two trade secret matters. This expert has varied experience in construction and heavy machinery including publishing academic papers on various subjects including the Dynamics of Machinery, Shock Absorbers for Pneumatic Systems, and Stresses in Roller Chain Link Plates. This expert was a Professor and Associate Dean in Engineering an Institute of Technology. Besides being well-published, this expert is a frequent presenter at academic and industry conferences. This expert holds two US patents including one on a Mobile Roadway Repair Unit.

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Expert Witness #250600

This expert has an extensive background in the physical sciences and mathematics: engineering and science degrees plus many years in the high-technology defense/aerospace industry. This expert's forensic experience includes cases dealing with electric circuits, electric shock, lightning damage, electrically ignited fires, wire and radio communications, radio interference, cellular and wireless telephone technology, audio and video reproduction, surveillance and tracking systems, industrial machinery controls, traffic radar and lidar, automotive electronics, and other electrical and electronic equipment.

One project required this expert to examine and disassemble a free-standing ATM in a laboratory in order to find the design flaw that led to its occasional malfunction (and of other similar ATMs).

This expert's expertise in electronic computing and controls includes:

-  thorough training in electrical engineering and the physical sciences,
-  wide-ranging practice in the lab, in the field, and in the courtroom,
-  ability to constructively investigate and illuminate the capabilities and limitations of equipment operating, or failing, in the physical world.

This expert's training and experience with hundreds of incidents involving failures, mis-designs, and malfunctions allows this expert to understand and analyze the "next new thing" -- from smartphones to the smart grid -- accurately and efficiently.

This expert has contributed to a variety of legal matters all based on electrical equipment and electronic computing and controls technology including: electric shock, electrical wiring, electrical fire and lightning damage, audio and video recording, radio broadcasting, traffic radar and lidar, electronic control circuitry, cellular phone localization, electronic surveillance, consumer electronics capabilities, automobile control systems, radio and telephone communication, electrical accidents, and industrial machinery.  This expert has been deposed 30 times and testified in state and federal courts 30 times (different cases).

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Expert Witness #254280

This expert has been a drive systems engineer, specializing in gear technology, for many years and has been deeply involved in the development of gear technology and active in national and international standards writing. This expert has designed gearing for fixed wing aircraft and rotorcraft propulsion and actuation, and turbo-machinery. Failure analysis and problem solving for problematic gearing components is a large part of this expert's overall expertise in gearing systems. This expert has been involved in all aspects of gear technology including materials and metallurgy, heat treatment, manufacturing processing and inspection, lubrication, stress analysis, rotor-dynamics and testing. This expert has performed failure investigations on gearing in mass transit vehicles, commercial and military aircraft; military and commercial ship propulsion, bridge machinery, cranes and hoists; industrial and power generation machinery; missile systems; and space based gear systems. This expert's experience in the inspection of various types of drive systems is extensive. This expert's experience includes shop testing and inspection of parallel shaft and planetary speed reducers. Field-testing and life expectancy studies of gearing components are also part of this expert's extensive experience in gearing technology. This expert has capability and experience in developing gear quality specifications and procedures for drive system applications ranging from aerospace actuators and missile systems to mining equipment and heavy movable structures. This includes material requirements and conformance, gear geometry and component dimensional accuracy and system performance. Services include evaluation of testing and measurement procedures, and evaluation of test and measurement results. This expert has provided consulting and forensic engineering services to the legal profession on numerous occasions and has served as an expert witness in litigation with claims over 20 million dollars. This expert has provided deposition testimony.

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Expert Witness #254970

This expert is an appraisal professional with many years of business consulting experience and holds a National Master Certification in Machinery and Equipment Appraisal. This expert also holds a Certification as a Senior Business Analyst in multiple states. This expert's knowledge of Machinery and Business comes from a vast array of personal experience. This expert had the opportunity to directly apprentice under a Director of the NEBB Institute and has personally trained over 1000 Machinery and Equipment Appraisers. This expert honed a Business Consulting skillset and learned the intricacies of Business Brokerage, Equipment Appraisal, and Equipment Brokerage.

This expert currently specializes in Strategic Business Consulting, Business Grooming with intent to Sell, and performing Machinery / Equipment Appraisals for clients. These clients include Fortune 500, International Companies, Federal / State / Municipal Agencies, Banking Institutions, Law Firms, CPA / Accounting Firms, and companies of nearly every type and size. This expert's deep understanding of current business trends and how they impact a company allows this expert to give knowledgeable strategic business advice. This expert has been awarded the professional designation of MCMEA, and CMEA by the National Equipment Business Brokers Institute also the Designation of CSBA by the Society of Business Analysts. These organizations are made up of Trusted Advisors including Attorneys, CPAs, Business Brokers, and Financial professionals. As a Certified Machinery and Equipment Appraiser, this expert is trained and compliant with the Uniform Standards of Professional Appraisal Practice (U.S.P.A.P.). This expert has extensive prior litigation experience and has been deposed and testified several times.

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Expert Witness #255188

This expert is Principal of an appraisal firm with many years of experience as full time appraiser. Certified by the American Society of Appraisers with a Senior Appraiser designation in the Machinery & Technical Specialties Discipline, this expert has completed machinery and equipment appraisals, including:

- Transportation Equipment

- Manufacturing Equipment

- Material Handling Equipment

- Scrap Metal Recycle

- Construction/Agriculture Equipment

This expert has a wide range of appraisal experience with emphasis in providing valuations for Internal Revenue Service (IRS) appraisal requirements, Financial Accounting Standards Board (FASB) requirements, bankruptcy appraisals, insurance appraisals, and casualty loss appraisals. This expert has provided both Restricted and Full Appraisal Reports, and has served as an expert witness being deposed and testifying in court.
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Expert Witness #238561

This expert is a Professional Engineer with Mechanical Engineering, Structural Engineering, and Civil Engineering degrees and certificates. This expert has a good deal of ladder logic experience within the context of Programmable Logic Controllers (PLC) and Computer Numerical Controls (CNC). This expert was engaged in the design, manufacture, installation and startup of robotic pick and place machinery, performing all engineering calculations necessary in the design of these robotic machines and programming the PLCs during the initial installation period. This expert has also dealt with the design and construction of industrial material handling systems, such as conveyors, piping systems, crane, monorails, robotics, PLCs, hydraulics, pneumatics and electrical controls. This expert had sole responsibility for designing, installing, programming and startup of CNC for manufacturing machine equipment, including selection of components, ladder logic programming, modification of machinery, and machine design. This expert holds two U.S. Patents and is working on two others. This expert has been engaged as an expert witness in a number of cases.

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Expert Witness #266727

This expert has worked in industry and academia for many years, and is currently a professor of electrical engineering. This expert has significant industrial experiences in electric motors and their controls, and has worked for several oil and gas companies. This expert’s main research interests include motors and generators, analysis and design of electrical machines, multi-phase variable speed drives for traction and propulsion applications, condition monitoring and fault diagnosis of electric machinery, magnetic gear integrated electric machines, sensorless control of electric machines, and PWM effects on electric machinery and their mitigation techniques. This expert is very familiar with various tools used in the oil and gas industries such as electric submersible motors and pumps, diagnostics tools for downhole applications, pump jacks, submersible compressors and motors, subsea power systems cables and transformers, subsea power distributions, floating production storage, and offloading (FPSO). This expert has been involved in a number of IPRs and invalidity and non-infringement reports, has been deposed 15 times, and has testified at the ITC on several occasions. This expert has published 500 technical papers, presented more than 95 invited lectures all over the world, and has 29 issued and pending US patents. This expert earned PhD, MS, and BS degrees in electrical engineering.

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Expert Witness #266745

This expert’s education and research experience includes a vast array of aspects relating to electrical engineering, electric power, control systems, and electromechanical systems. An area of particular emphasis throughout this expert’s career has been a focus on electric power equipment, including transformers and electric machines and drives. This expert has taught principles of electromechanical energy conversion, power systems, power electronics, and power quality, and has authored over 20 journal and conference publications. This expert has a strong working knowledge of electric machinery and electromechanical energy conversion, as well as an understanding of internal combustion engines and a variety of types and sizes of pumping applications. With decades of forensic experience, this expert has developed the ability to analyze and understand complex machinery and systems. This expert has testified in a variety of litigation settings including patent litigation cases and has addressed matters of invalidity including both anticipation and obviousness, as well as issues of infringement. This expert holds Ph.D. and M.Eng degrees in Electric Power Engineering and a B.S. in Electrical Engineering.

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