Patents by Inventor Edwin F. Abrams

Edwin F. Abrams 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).

  • High temperature compressible support and gasket material
    Patent number: 4180211
    Abstract: A high-temperature compressible material especially useful in rocket motors to support nozzle ring inserts, the material including a binder which when pyrolyzed leaves a char having substantial strength, and fillers including carbonaceous fillers such as carbon fibers, wools, powders, etc., plus a special filler comprising hollow carbon microspheres which can crush to provide a compressibility to the material when it is confined in a volume-limiting environment, plus other fillers which may be added to obtain special yield characteristics.
    Type: Grant
    Filed: May 30, 1974
    Date of Patent: December 25, 1979
    Assignee: Versar, Inc.
    Inventors: Eugene L. Olcott, Edwin F. Abrams