Patents by Inventor John T. Davey

John T. Davey 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).

  • Fire protection water supply valve
    Patent number: 4100933
    Abstract: A fire protection water supply valve for discharging a high pressure water source at a predetermined lower pressure which includes a manual override to close a control valve in a shut-off and to open the valve to discharge full line pressure and an intermediate position for an automatic pressure control for outlet flow in a desired pressure range.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: July 18, 1978
    Assignee: Seco Manufacturing, Inc.
    Inventors: John T. Davey, Lawrence P. Kahn