Patents by Inventor Doug Mehaffey

Doug Mehaffey has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Reverse drive handle for lift truck
    Patent number: 9561944
    Abstract: A drive handle located behind an operator seat comprises a throttle used to drive a lift truck in reverse without requiring the operator's foot to actuate a floor-based throttle.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: February 7, 2017
    Assignee: Hyster-Yale Group, Inc.
    Inventors: Doug Mehaffey, John Timczyk
  • Reverse Drive Handle For Lift Truck
    Publication number: 20150142278
    Abstract: A drive handle located behind an operator seat comprises a throttle used to drive a lift truck in reverse without requiring the operator's foot to actuate a floor-based throttle.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 21, 2015
    Inventors: Doug Mehaffey, John Timczyk