Patents by Inventor Grant A. Masom

Grant A. Masom 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).

  • Mechanical face seals with special bellows
    Patent number: 4378119
    Abstract: A mechanical face seal adapted to withstand a pressure differential across its sealing faces, includes a bellows unit of monolithic construction, comprising a plurality of corrugations, the crowns of the convolutions directed towards the high pressure side of the seal being of greater radius of curvature than the crowns of the convolutions directed towards the low pressure side of the seal.
    Type: Grant
    Filed: July 16, 1981
    Date of Patent: March 29, 1983
    Assignee: Crane Packing Limited
    Inventors: Geoffrey Luxford, Grant A. Masom