Patents by Inventor Robert V. Whitener

Robert V. Whitener 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).

  • Rapid acting valve assembly
    Patent number: 3951166
    Abstract: A valve assembly having a plurality of coaxial disposed bores, a central one thereof being slightly enlarged in diameter and accommodating a plurality of ring inserts for cooperation with a number of thin disc valve members each carrying an O-ring seal in a rectangular peripheral groove. The valve assembly includes at least two ports communicating with the enlarged interior bore on opposite sides of the annular ring insert, and at least one axial aperture extends through the side walls of the groove of the disc valves to enable release of pressure otherwise existing under the O-ring seal.
    Type: Grant
    Filed: June 12, 1974
    Date of Patent: April 20, 1976
    Inventor: Robert V. Whitener
  • Disc valves
    Patent number: 3951381
    Abstract: A valve assembly having a plurality of coaxial disposed bores, a central one thereof being slightly enlarged in diameter and accommodating a plurality of ring inserts for cooperation with a number of thin disc valve members each carrying an O-ring seal in a rectangular peripheral groove. The valve assembly includes at least two ports communicating with the enlarged interior bore on opposite sides of the annular ring insert, and at least one axial aperture extends through the side walls of the groove of the disc valves to enable release of pressure otherwise existing under the O-ring seal.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: April 20, 1976
    Inventor: Robert V. Whitener