Patents by Inventor Richard L. Fulcher

Richard L. Fulcher 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).

  • Speed control for a mobile machine
    Patent number: 11591978
    Abstract: A mobile machine includes an internal combustion engine operatively connected to a plurality of propulsion devices for travel over a work surface. The mobile machine can include an electronic controller that receives condition data signals indicative of the operating state or condition of the mobile machine from a plurality of condition input sensors. The electronic controller compares the condition data signals with condition threshold to determine whether to operate the internal combustion engine in accordance with rated engine speed range or an adjusted engine speed range.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: February 28, 2023
    Assignee: Caterpillar Inc.
    Inventors: Richard L. Fulcher, Ethan M. Tevis, Matthew D. Dobsch