Patents by Inventor Gerald Bulmash

Gerald Bulmash 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).

  • Fabrication of tile reinforced composite armor casting
    Patent number: 6116328
    Abstract: Alumina tiles within aluminum framing jigs are fixedly positioned by lock ns within an internally coated mold for centrifugal casting within a block of an aluminum alloy material. Such jigs and the tiles framed therein are coated with silver before casting to prevent aluminum oxidation by heating of the aluminum material to a molten state for deposit into the mold. Bonding of the tiles and framing of the jigs with the aluminum material being cast is also enhanced by such silver coating.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: September 12, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Subhash D. Karmarkar, Amarnath P. Divecha, William J. Bruchey, Gerald Bulmash, James M. Kerr, William A. Ferrando