Patents by Inventor C. Joe Bass

C. Joe Bass 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).

  • Seal assembly
    Patent number: 4364432
    Abstract: Disclosed is apparatus for sealing between two concentric annular surfaces whereby the sealing engagement may be disrupted in response to an excess pressure differential acting on the sealing apparatus in one axial direction sense. Elastic means restore the apparatus to its sealing configuration upon reduction of the pressure differential. Apparatus and method disclosed are particularly applicable to cementing liners in wells.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: December 21, 1982
    Assignee: Hughes Tool Company
    Inventors: C. Joe Bass, Elmer R. Peterson