Patents by Inventor Bruce E. Dulin

Bruce E. Dulin 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).

  • Thermal spray powder of tungsten carbide and chromium carbide
    Patent number: 5419976
    Abstract: A thermal spray powder is formed as a mixture of tungsten carbide granules and chromium carbide granules. The tungsten carbide granules each consists essentially of tungsten carbide bonded with cobalt, and the chromium carbide granules each consists essentially of chromium carbide bonded with nickel-chromium alloy. The powder may be asmixed with self-fluxing alloy powder. The powder preferably is sprayed with a high velocity oxygen-fuel thermal spray gun.
    Type: Grant
    Filed: December 8, 1993
    Date of Patent: May 30, 1995
    Inventor: Bruce E. Dulin