Patents by Inventor Harmon E. Shipper

Harmon E. Shipper 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).

  • Control valve assembly
    Patent number: 4187872
    Abstract: A control valve assembly for controlling fluid flow in a flowline having a housing with a normally operative flow control structure and bypass structure therein for providing independent first and second flow paths for allowing controlled fluid passage through the housing from the flowline through the first and second flow paths, as desired.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: February 12, 1980
    Assignee: Tapco International, Inc.
    Inventors: Murray E. Freeman, Harmon E. Shipper