Patents by Inventor Robert C. Tucker

Robert C. Tucker 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).

  • Patent number: 4519840
    Abstract: A coating composition applied to a substrate by a thermal spray process which consists essentially of from about 11.0 to about 18.0 weight percent cobalt, from about 2.0 to about 6.0 weight percent chromium, from about 3.0 to about 4.5 weight percent carbon and the balance tungsten.
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: May 28, 1985
    Assignee: Union Carbide Corporation
    Inventors: John E. Jackson, Thomas A. Adler, Jean M. Quets, Robert C. Tucker, Jr.
  • Patent number: 4124737
    Abstract: A coating composition for producing high temperature, wear-resistant coatings on a metallic substrate, such as a nickel, cobalt, or iron base alloy, consisting of a cobalt base alloy with chromium, tantalum and carbon additions thereto. The basic composition may also contain one or more of aluminum, yttrium or the rare earth metals, silicon, manganese, or a dispersion of a metal oxide, such as alumina (Al.sub.2 O.sub.3).
    Type: Grant
    Filed: December 30, 1976
    Date of Patent: November 7, 1978
    Assignee: Union Carbide Corporation
    Inventors: Thomas A. Wolfla, Robert C. Tucker, Jr.
  • Patent number: 3971633
    Abstract: A coating system for protecting metallic substrates in reducing or oxygen-free environments which includes a first layer of chromium carbide plus metallic binder having a thickness of from 0.001 to 0.015 inches and a surface layer of all chromium carbide having a thickness of from 0.0005 to 0.005 inches.
    Type: Grant
    Filed: February 10, 1975
    Date of Patent: July 27, 1976
    Assignee: Union Carbide Corporation
    Inventors: Thomas A. Wolfla, Robert C. Tucker, Jr.
  • Patent number: 3941903
    Abstract: A wear-resistant bearing material, and process for making it, comprising hard phase particles, such as Al.sub.2 O.sub.3, substantially uniformly dispersed in a plasma deposited or detonation gun deposited soft ductile metal matrix, such as aluminum bronze, and wherein said particles are sized between about 0.05 microns and about 100 microns, and present in a volume fraction of between about 3% and 50%.
    Type: Grant
    Filed: November 17, 1972
    Date of Patent: March 2, 1976
    Assignee: Union Carbide Corporation
    Inventor: Robert C. Tucker, Jr.