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Mark R. Webster, PE, MSME, DFE, MBA

Conveyors & Material Handling Expert

Curriculum Vitae

  • Master of Science, Mechanical Engineering, (MSME), 1990
    Specialization: Computer Aided Design of Engineering Systems
    Marquette University, Milwaukee, WI
  • Master of Business Administration (MBA), 2000
    Marquette University, Milwaukee, WI
  • Bachelor of Science, Mechanical Engineering Technology, 1983
    Professional Specialization Certificate – Microprocessor Programming
    Professional Specialization Certificate – Computer Aided Analysis
    Milwaukee School of Engineering, Milwaukee, WI
  • Associate of Science, Mechanical Design Technology, 1978
    North Central Technical Institute, Wausau, WI
  • Registered Professional Engineer (PE)
    Georgia, Illinois, Indiana, Minnesota, Wisconsin, New York, Arkansas, Oklahoma, Washington, Missouri
  • Board Certified Diplomate Forensic Engineer (DFE), 2014 to Present
    National Academy of Forensic Engineers (NAFE)
Professional Experience

Owner, Consultant, and Expert Witness, Webster Engineering, LLC, 2011 - Present

Providing mechanical engineering analysis, consulting, and expert witness services to attorneys in cases of personal injury, product liability, and patents regarding issues such as:

  • Conveyor design and safety
  • Material handling systems
  • Material lifts and lifting systems
  • Machine design, safety, and failure
  • Hydraulics and hydraulic lifting systems
  • Elevators
  • Patents

Vice President of Engineering, Pflow Industries, Inc., 1985 - 2020

Recipient of the Wisconsin Governors New Product Development Award twice for two of my designs.
Design and manufacture of:

  • Conveyor systems
  • Lifting systems
  • Custom engineered material handling systems
  • Industrial machinery and controls
  • Industry leader in Vertical Reciprocating Conveyors
  • Automated vehicle parking lifts, display lifts, and storage lifts
ASME Codes & Standards Activity
  • Chair, ASME B20.1 "Safety Standards for Conveyors and Related Equipment" committee. Vice Chair 2010-2013. Member since 2002.
  • ASME Board on Safety Codes and Standards. Chair 2015-2021. Vice Chair 2015-2018. Member since 2011.
  • ASME Board on Codes and Standards Operations. Member 2018-2021.
  • ASME Council on Standards and Certification. Member 2018-2021.
  • ASME Safety Codes and Standards Awards Committee. Chair 2016 – 2018.
  • ASME Task Force on the Review of the "Examples of Use for Mechanical Engineering Students" Brochure. Member since 2011.
  • ASME Material Handling Engineering Division Executive Committee. Chair 2013-2015. Vice Chair 2012-2013.
  • ASME Manufacturing Technical Group Operating Board. Alternate Member 2012-2013.
  • Nominating Committee. Member 2017-2019.
Professional Association Membership
  • National Society of Professional Engineers (NSPE)
  • Wisconsin Society of Professional Engineers (WSPE)
  • American Society of Mechanical Engineers (ASME)
  • National Academy of Forensic Engineers (NAFE)
  • American Society of Safety Engineers (ASSE)
  • American Institute of Steel Construction (AISC)
  • American Society for Testing and Materials (ASTM)
    • ASTM E58 Committee on Forensic Engineering, Member
  • Conveyor Equipment Manufacturers Association (CEMA)
Continuing Education and Training
  • Forensic Engineering Training, Various Topics, National Academy of Forensic Engineers, 2015-2018 (61 hours)
  • SolidWorks Simulation and Motion Software Training, 2014 (16 hours)
  • Autodesk Mechanical Event Simulation Software Training, 2006 (16 hours)
  • Patent Litigation, 2017 (16 hours)
  • US 5,908,088 Hydraulic Drive (Material Handling Lift)
  • US 6,820,295 Support Leg Apparatus (Dock Leveler Safety)
  • US 6,896,125 Belt Attachment Method (Continuous Vertical Conveyor/Material Lift)
  • US 7,131,532 Belt Attachment Method (Continuous Vertical Conveyor/Material Lift)
  • US 7,453,358 Shopping Cart Lift with Gated Access (Conveyor Safety)
  • US 7,779,992 Shopping Cart Conveyor with Pivoting Lug (Conveyor Drive)
  • US 7,931,136 Jam Sensor for Shopping Cart Conveyor (Conveyor Safety)
  • US 8,075,237 Multi-Level Vehicle Lift (Automotive Display Lift)
  • US 8,328,003 Shopping Cart Conveyor with Gate Assembly (Conveyor Safety)
  • US 9,517,845 Moveable Personnel Platform for Unloading a Unit Load Device (Material Handling)
  • US 9,598,242 Moving Work Surface (Assembly Line Conveyor System)
  • US 10,183,840 System for Chain Chordal Action Suppression (Vertical Conveyor/Material Lift)
  • US 10,913,635 System for Chain Chordal Action Suppression (Vertical Conveyor/Material Lift)
  • US 11,059,678 Barrel Elevator Including Shielded Actuation Mechanisms (Conveyor/Lift)
  • CA 2,880,976 Moving Work Surface (Assembly Line Conveyor System)
  • 16/266,226 Hinged Carriage Deck for Vertical Reciprocating Conveyor (Pending)
Publications and Presentations
  • "Recreational Vehicle Storage Lift", Elevator World Magazine, March 2003
    (Servo-Hydraulic Lift Drive System).
  • "An Introduction to Forensic Engineering with Case Studies" presented at the Illinois Society of Professional Engineers annual conference, July 19, 2018. Personal injury/product liability case studies involving a hydraulic dock lift and an aerial lift.
  • "Dynamic Motion Simulation: Application in Forensic Engineering", Journal of the National Academy of Forensic Engineers, June 2019.
  • Quoted in: "Moving-floor assembly line streamlines production of farm equipment", Design World, December 16, 2015.
  • Quoted in: "Unique Lift System Enables Installation and Servicing of Large Telescope Mirrors", Motion Design, October 2018.

"I was so impressed when I deposed you as an expert for the opposition that I would like to retain you in a new conveyor case we have. This is the highest compliment for you as an expert."

Client Comments

Mark R. Webster, PE, MSME, DFE, MBA

Mark R. Webster, PE, MSME, DFE, MBA

1356 E. Friess Lake Drive
Hubertus, WI 53033

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