Patents by Inventor Marianne O. Price

Marianne O. Price 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).

  • Process for producing chromium carbide-nickel base age hardenable alloy coatings and coated articles so produced
    Patent number: 5137422
    Abstract: An improved erosion resistant coating for a gas path component of a turbo machine which comprises the thermal spraying of a chromium carbide, such as Cr.sub.3 C.sub.2, and an age hardenable nickel base alloy, such as Inconel 718, onto the gas path component and then, preferably, heat treating the deposited coating to harden the coating.
    Type: Grant
    Filed: October 18, 1990
    Date of Patent: August 11, 1992
    Assignee: Union Carbide Coatings Service Technology Corporation
    Inventors: Marianne O. Price, John E. Jackson, Jean M. Quets
  • Tungsten carbide-cobalt coatings for various articles
    Patent number: 4826734
    Abstract: The invention relates to a coated article comprising a substrate coated with a tungsten carbide-cobalt layer having a strain-to-fracture greater than 4.3.times.10.sup.-3 inch per inch and a Vickers hardness of greater than about 875 HV.sub.0.3.
    Type: Grant
    Filed: March 3, 1988
    Date of Patent: May 2, 1989
    Assignee: Union Carbide Corporation
    Inventors: John E. Jackson, Robert W. Meyerhoff, Marianne O. Price, Jean M. Quets