Patents by Inventor William T. Asbill

William T. Asbill 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).

  • Multiple-seal underwater pipe-riser connector
    Patent number: 5505502
    Abstract: A rugged screw-threaded pipe connector for handling corrosive or contaminating fluids under high pressure in a pipeline or pipe riser surrounded by a body of water and subject to high static or dynamic stresses and bending forces. The connector is provided with coarse threads having stabbing flanks and with load flanks adapted to support high loads. The connector is provided with multiple sealing means arranged within the body of the connector that isolate the threads from fluids outside the connector or within the bore of the connector.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: April 9, 1996
    Assignee: Shell Oil Company
    Inventors: James D. Smith, Stewart A. Fox, William T. Asbill