Patents by Inventor John N. Story

John N. Story 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).

  • Plate valve
    Patent number: 4307751
    Abstract: A valve having a plurality of movable, coaxially arranged annular plates is characterized by the use of fiber reinforced plate members having a thickness of greater than 0.2 inches and, in a preferred embodiment, a thickness to width ratio in excess of 0.5. A valve in accordance with the present invention is also characterized by the ratio of the number of biasing springs associated with each plate to the mean diameter of the plate being greater than 1.2 per inch.
    Type: Grant
    Filed: November 29, 1979
    Date of Patent: December 29, 1981
    Assignee: Edison International, Inc.
    Inventors: Thomas E. Mayer, John N. Story