Patents by Inventor Peter W. Diephuis

Peter W. Diephuis 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).

  • Cartridge for faucet valve
    Patent number: 4699170
    Abstract: This invention relates to a valve assembly that has a seat for the flow control seal that is contained on a sleeve-like seating assembly that sits upon a shoulder in the housing whereby the extension of the seating assembly beyond the lower end of the housing in a downward and axial direction is fixed. This construction insures that the seat for the flow control valve must be withdrawn from the faucet body with the rest of the valve assembly.
    Type: Grant
    Filed: March 4, 1987
    Date of Patent: October 13, 1987
    Assignee: EMCO Limited
    Inventors: Peter W. Diephuis, Arthur D. Thompson