Machine Safety

A machine safety expert witness is typically a licensed professional engineer or certified safety professional with extensive experience and expertise in mechanical engineering, product design, occupational safety, and/or industrial design. An expert witness in machine safety should also be familiar with the hazards addressed in OSHA standards. The chosen expert may be associated with an industry or technical organization, such as the American Society of Mechanical Engineers (ASME), IEEE, or the National Tooling & Machining Association (NTMA). A machine safety expert witness must not only have the appropriate substantive expertise but should also possess the ability to explain technology and evidence to lay people, including judge and jury.

Frequently, matters requiring machine safety expert witness services involve intellectual property, such as patent infringement litigation, inter partes review or trade secret disputes. A forensic engineer can reverse engineer components to prove (or disprove) intellectual property infringement or theft. A machine safety expert witness might also provide testimony in a torts matter like an accident investigation, or a product liability case involving the failure analysis of industrial equipment or construction equipment. A machine safety specialist could also be called in to consult on technical issues, which could require forensic engineering work.

Litigation support by a machine safety expert witness could include reverse engineering, a risk assessment, accident reconstruction, expert report, expert opinion, and expert testimony in the courtroom. In a high-profile case, or litigation involving a significant financial stake, a law firm may request an expert with prior expert witness testimony experience. In addition, clients may seek a machine safety expert for pre-litigation consulting work.

When the need for a machine safety expert witness arises, top legal professionals call on Cahn Litigation Services. Whether the case involves machine guarding, workplace safety, industrial machines, construction equipment, OSHA regulations, industrial accidents, forklift, or factory automation systems, Cahn Litigation Services has the experience required to turn an expert witness search around quickly. The firm has a reputation for providing experts with the right balance of expertise and testimony to support each unique project.

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Machine Safety Expert Witness - Sample 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 Machine Safety experts known by Cahn Litigation Services. These bios are provided to give attorneys a sense of the Machine Safety landscape.


Expert Witness #221915

In addition to experience in matters involving all types of machine guarding issues, this expert spent many years testifying on accidents involving tire and tire/rim "explosions." One of this expert's publications includes a mathematical calculation of the tremendous energy released in such events. The central thesis in most of those cases was the necessity of a safety device to protect the tire mechanic.

This expert holds degrees in mechanical engineering. This expert is an Associate Director of Advanced Engineering Design and Development. This expert has special certification in Reliability and Failure Probability, and Failure Modes and Effect analysis.


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Expert Witness #254474

This expert is an electrical engineering expert with many years of hands-on experience in industrial controls, automation, machinery, equipment, industrial safety and machine safeguarding. This expert applies expertise to forensic casework involving industrial controls, machine safeguarding, workplace safety, industrial/commercial/residential electric power systems, electrical related fires, electric shocks, and electrocutions. This expert is proficient in the National Electrical Code, National Electrical Safety Code, Electrical Safety in the Workplace, OSHA Standards for General Industry, and OSHA Electrical Safety Standards.

For many years this expert was a controls engineer for a control system integrator, where this expert was involved in control panel design, industrial automation, machine control, electrical design, software programming, installation, electrical contractor supervision, machine safeguarding, commissioning, project management, electrical power distribution and workplace safety. This expert was a corporate engineer performing electrical engineering in 4 different manufacturing facilities, including industrial controls, automation, process control, process engineering, quality control, robotics, industrial safety, machine safeguarding manufacturing supervision, and product development.

This expert is a licensed Professional Engineer in more than 20 states and a member of the National Academy of Forensic Engineers (NAFE), National Society of Professional Engineers (NSPE), American Association of Safety Engineers (ASSE) as well as the Institute of Electrical and Electronics Engineers (IEEE).

This expert provides technical investigations, analysis, reports, and testimony toward the resolution of commercial and personal injury litigation involving design, construction, operation, maintenance and training of electrical systems, equipment and devices.

This expert’s areas of expertise include:

Automation, controls, automated manufacturing, automated assembly lines, conveyors, robotics, material handling, packaging, robotic cells, automated storage and retrieval systems (ASRS), test cells, gantries, cranes, elevators, conveyors, lifts, turn tables, pumps, fans, scales, instrumentation, motion control, process control, boiler control, steam control, speed control, industrial controls, HVAC systems, air conditioners, air handling, boilers, compressed air, exhaust, centrifugal and absorption chillers, heaters, ovens, presses, grinders, cutting, broaching, stamping presses, hydraulics, pneumatics, vision, inspection, weighing, RFID, barcode, RF Radios, recipe/batch management, gas analyzers, motor controls, motion control, electrical control panels, control panel design/build (UL certified), PLC, HMI, MES, SCADA and software development, industrial communications (wired and wireless), information systems, data collection, data reporting, alarming, and industrial safety.

This expert’s expertise also extends to:

Industrial control software, programmable logic controllers (PLC), human machine interface (HMI), graphical user interface (GUI), supervisory control and data acquisition (SCADA). Other software Visual Basic, C++, Microsoft SQL.  PLC Software, Allen Bradley/Rockwell RSLogix/5/500/5000/IPDS, Siemens S5/S7/TIA Portal, Mitsubishi MEDOC/GX Developer/GX Works, Omron, Telemechanique, Modicon,B+R, Opto22, Steeplechase VLC, PC Worx, Wago, Automation Direct, Koyo HMI / GUI / SCADA Software, Rockwell RSView, Rockwell FactoryTalk, Allen Bradley Panelbuilder, Siemens WinCC, Mitsubishi GOT, Mitsubishi GX Worx, Wonderware, Intellution, Iconics, Cimplicity, Proficy iFix, Indusoft, Automation Direct C-more, Industrial Communication Networks, Ethernet, Profibus, Profinet, Ethernet I/P, DeviceNet, ControlNet, Interbus, and ASi-Bus.


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Expert Witness #255754

This expert holds Bachelors and Masters Degrees in Mechanical and Aerospace Engineering and is a licensed registered Professional Engineer (PE). This expert brings to the table many years as a consultant, specializing in both the design and the forensics aspects of engineering design for consumer and industrial machine systems. As President of a highly sought-after consultancy, this expert provides on-site product testing and laboratory services as well as computer animation and simulation, accident reconstruction and safety audits.

This expert has prior litigation experience and has worked as an expert on patent matters. This includes the evaluation of pivoting/extendable/ expandable/telescoping devices. This expert was involved in the evaluation of patents on an extensible boom and traversing boom system for telescoping rough terrain lift trucks. This dispute focused on the method in which the extendable carriage system framework mechanism functioned. In forensic work, this expert has reviewed and researched hundreds of patents, and written reports regarding all sorts of pivoting and extendable mechanical devices, including rotating and extending dock levelers, extendable/telescoping ladder systems (household and truck mounted), extendable boom lift trucks, scissor lifts, etc.

In addition to work as a consultant, this expert serves as adjunct faculty. Through this expert's teaching experience, this expert has become adept and taking complicated mechanisms and devices and making them easy to understand for the lay person.


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Expert Witness #260239

This expert is both a Professional Engineer and a Ph.D. who focuses on human factors and the biomechanics of injury causation. This expert has significant experience industry as well as consulting experience in product design, manufacturing and safety-related issues and the applicable standards for a wide variety of products and applications. This expert's experience with Industrial accidents in particular, includes machine guarding, rotating machinery, pinch-points, forklifts, explosions and OSHA/MESHA issues. This expert is well published, is a frequent presenter at industry conferences, and holds a machine guarding patent with another application pending.


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Expert Witness #243851

This expert is a Professional Engineer with an MS in Electrical Engineering. This expert has extensive experience in industrial controls, including developing ladder logic and source code. This expert has designed processing machinery, material handling systems, tooling, industrial controls, data acquisition systems, and safety interlocks for manufacturing lines. This expert has created mechanical drawings, electrical wiring diagrams, electrical schematics, and control logic. This expert has led seminars and continuing education workshops related to designing analog block logic, digital ladder logic for process control applications, human-machine interface (HMI) graphics, wiring, and hardware for distributed control system (DCS) applications. As a Consulting Engineering Manager, this expert managed intellectual property and regulatory compliance matters, and developed, designed, and tested digital and analog electronics, embedded systems, industrial control system logic, and mechanical components for the food, consumer product, medical device, transportation, utility, HVAC, and agricultural equipment industries. As Plant Engineer, this expert designed machine elements, tooling, and automated control systems for food production lines. This expert is the author of numerous technical and programming publications, is a patent holder, and has provided expert witness services for over 15 years, testifying in depositions and in the courtroom.


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Expert Witness #259843

This expert holds a PhD in Mechanical Engineering and is a Professor Emeritus. This expert taught undergraduate, masters and PhD classes in Mechanical Engineering and Software Development. Typical classes were Machine Design, Design of Machine Elements, Software Engineering, Human Computer Interface, and Introduction to Artificial Intelligence. This expert developed and taught the university’s first robotics program. This expert also provided consulting to industry giants and has continued to be active as an industry consultant.

This expert has published over 60 papers, and is the author of the a publication relating to machine safety. This expert was elected to a National Materials Advisory Board Committee that analyzed how improvements could be made to Structural Components. This was in response to the Challenger Space Shuttle Disaster.

This expert has been hired by both Plaintiffs and Defendants, roughly (70 % plaintiff and 30% defendant).


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