Patents by Inventor Frank W. Major

Frank W. Major 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).

  • Compressible non-asbestos high-temperature sheet material usable for gaskets
    Patent number: 4786670
    Abstract: A non-asbestos compressible sheet material usable for high-temperature gaskets preferably containing 10-50% by weight of an inorganic fibrous material, 10-90% by weight of an inorganic filler material, 4-30% by weight of an organic elastomeric binder, 2-10% by weight of an inorganic silicate binder and 1.0-10% of an organic fibrous material. The sheet material of the present invention may be manufactured on standard paper-making machinery.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: November 22, 1988
    Assignee: Lydall, Inc.
    Inventors: Douglas Tracy, Frank W. Major