Patents by Inventor James W. Holt

James W. Holt 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).

  • Mixing valve
    Patent number: 4051869
    Abstract: A liquid mixing valve of the single handle type for mixing hot and cold water which incorporates a pair of plungers which are positioned in variable depth cams formed in a slider plate whereby actuation of the plate via a handle displaces the respective plungers from their seated position to permit passage of fluid therethrough.
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: October 4, 1977
    Assignee: Crane Co.
    Inventors: James W. Holt, John K. Meeks
  • Cartridge faucet
    Patent number: 3943967
    Abstract: A faucet having a cartridge employing a cam and plunger type of closure means adapted to regulate the flow of fluid therethrough. The plunger, which is in communication with the faucet inlet and is urged away from its seat by the incoming fluid, is restricted in movement by a cam cooperating with a handle to thereby regulate the flow of fluid through the faucet.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: March 16, 1976
    Assignee: Crane Co.
    Inventors: James W. Holt, John K. Meeks