Patents by Inventor Derek R. Skoyles

Derek R. Skoyles 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: 4179166
    Abstract: An anti-lock vehicle brake system includes a source of fluid pressure, a wheel brake connected to source of fluid pressure and an anti-lock control valve for relieving pressure at the brake. Sensing and control apparatus are provided for positioning the control valve. A restriction apparatus limits the flow of fluid pressure to the brake. A fluid flow control is provided intermediate the anti-lock control valve and the restriction apparatus for control of the restriction apparatus.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: December 18, 1979
    Assignee: U.S. Philips Corporation
    Inventors: Denis Sharp, Derek R. Skoyles