Patents by Inventor Robert K. Ridgway

Robert K. Ridgway 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: 8459656
    Abstract: Disclosed is a gasket for sealing a fuel connection for a diesel fuel injector. The gasket resides between the filter caps and the jumper block. The gasket includes a pair of holes having frustoconical shaped sidewalls designed to fit within the chamfer walls of the filter caps. The gasket further includes an aperture designed to fit over the threaded injector stud.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: June 11, 2013
    Inventor: Robert K Ridgway
  • Publication number: 20110089643
    Abstract: Disclosed is a gasket for sealing a fuel connection for a diesel fuel injector. The gasket resides between the filter caps and the jumper block. The gasket includes a pair of holes having frustoconical shaped sidewalls designed to fit within the chamfer walls of the filter caps. The gasket further includes an aperture designed to fit over the threaded injector stud.
    Type: Application
    Filed: October 20, 2009
    Publication date: April 21, 2011
    Inventor: Robert K. Ridgway
  • Patent number: 6231049
    Abstract: A composite gasket comprising a metal flange having graphite sealing surfaces overlaid thereon, has load stabilizing ribs formed in the metal flange in the parallel sides not having bolt holes therein. The ribs provide a more even load distribution in the graphite sealing surfaces such that a more efficient and longer lasting seal is provided, particularly in mis-designed or misapplied applications.
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: May 15, 2001
    Assignee: Master Packing & Rubber Company
    Inventor: Robert K. Ridgway