Patents by Inventor Keith E. Starr

Keith E. Starr 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).

  • Refrigeration valve
    Patent number: 4753267
    Abstract: A valve 10 is disclosed for effectively sealing an opening 11 in an accumulator tank 12 for a refrigeration system holding a refrigerant under very high pressure. The valve stem 17 has a cylindrical portion 29 which increases in diameter toward the flange 28 forming an arcuate concave surface 30 and a base flange 27 having a diameter larger than the opening 11 to provide an effective seal.
    Type: Grant
    Filed: June 8, 1987
    Date of Patent: June 28, 1988
    Assignee: Eaton Corporation
    Inventors: Keith E. Starr, Carlton M. Rudd
  • Minimum pressure retention valve
    Patent number: 4664141
    Abstract: A minimum pressure retention valve which is adapted to be connected in the air circuit of a vehicle load leveler system, and wherein the minimum set pressure is easily and reliably adjusted and the valve permits rapid pressurization of the load leveler system while retaining the set pressure when the air supply is off.
    Type: Grant
    Filed: November 1, 1985
    Date of Patent: May 12, 1987
    Assignee: Eaton Corporation
    Inventor: Keith E. Starr