Patents by Inventor Samuel R. Haugland

Samuel R. Haugland 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).

  • Valve and fastener therefor
    Patent number: 4272057
    Abstract: An elongate flexible cable is used as a fastener for preventing sliding movement between adjacent surfaces of two valve components. The cable is inserted through a closable port in the valve, and extends through a uniform channel formed by aligned grooves in the two components. In a preferred aspect, the cable fastener is used in conjunction with a spring to retain axial cylindrical seats in operating position in a ball valve.
    Type: Grant
    Filed: March 28, 1979
    Date of Patent: June 9, 1981
    Assignee: Delta Dynamics Corporation
    Inventor: Samuel R. Haugland