Patents by Inventor Jerry Dwight Marr

Jerry Dwight Marr 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).

  • Drive system for a machine
    Patent number: 7344465
    Abstract: A machine, including a hydraulic pump and one or more hydraulic implements connected to the hydraulic pump. The machine may also include a hydraulic motor connected to the hydraulic pump and one or more propulsion devices. Additionally, the machine may include drive-system controls operable to selectively cause the hydraulic motor to supply power to one or more of the propulsion devices.
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: March 18, 2008
    Assignee: Caterpillar Inc.
    Inventors: William Christopher Swick, Jerry Dwight Marr, Friedrich Konrad Diecke