Patents by Inventor Darrell Jeffrey Roway

Darrell Jeffrey Roway 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).

  • Patent number: 7866150
    Abstract: A vehicle is disclosed having a hydraulic system. The hydraulic system includes a pressure regulator that maintains the output pressure from a hydraulic pump above a predetermined minimum pressure.
    Type: Grant
    Filed: August 26, 2008
    Date of Patent: January 11, 2011
    Assignee: Deere & Company
    Inventors: Neil Vincent Harber, Darrell Jeffrey Roway, Ryan Matthew Lutze