Patents by Inventor Billie Frances Burleigh

Billie Frances Burleigh 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: 8974203
    Abstract: A pump having an endplate with an orifice provided between the system ports and the charge pump pressure cavity. Fluid flows through the orifice so as to soften a transition of the vehicle from a stationary position to a forward or reverse motion when a swash plate of the pump is angled slightly relative to a neutral or zero position.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: March 10, 2015
    Assignee: Parker-Hannifin Corporation
    Inventors: Michael Tholan Crosby, Billie Frances Burleigh, Brian Timothy Painter
  • Publication number: 20080295682
    Abstract: A pump having an endplate with an orifice provided between the system ports and the charge pump pressure cavity. Fluid flows through the orifice so as to soften a transition of the vehicle from a stationary position to a forward or reverse motion when a swash plate of the pump is angled slightly relative to a neutral or zero position.
    Type: Application
    Filed: October 31, 2007
    Publication date: December 4, 2008
    Applicant: PARKER-HANNIFIN CORPORATION
    Inventors: MICHAEL THOLAN CROSBY, Billie Frances Burleigh, Brian Timothy Painter