Patents by Inventor Claud C. Hurd

Claud C. Hurd 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).

  • High pressure safety valve
    Patent number: 4026314
    Abstract: A high pressure safety valve which automatically closes when high pressure conditions exist. The high pressure valve includes a diaphragm valve and a snap acting assembly connected to the diaphragm valve which acts to snap it closed when a high pressure condition is detected. The safety valve of the present invention may also include a relief valve which opens when the diaphragm valve closes to relieve pressure at the outlet of the safety valve. In addition, the safety valve of the present invention can be manually reset only after the high pressure condition has been corrected.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: May 31, 1977
    Assignee: Essex International, Inc.
    Inventors: Jesse H. Turner, Claud C. Hurd, Frank Fiedler, Jr.
  • High pressure safety valve
    Patent number: RE30063
    Abstract: A high pressure safety valve which automatically closes when high pressure conditions exist. The high pressure valve includes a diaphragm valve and a snap acting assembly connected to the diaphragm valve which acts to snap it closed when a high pressure condition is detected. The safety valve of the present invention may also include a relief valve which opens when the diaphragm valve closes to relieve pressure at the outlet of the safety valve. In addition, the safety valve of the present invention can be manually reset only after the high pressure condition has been corrected.
    Type: Grant
    Filed: September 7, 1977
    Date of Patent: August 7, 1979
    Assignee: Essex International, Inc.
    Inventors: Jesse H. Turner, Claud C. Hurd, Frank Fiedler, Jr.