Patents by Inventor Charles H. Kreischer

Charles H. Kreischer 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 repairing co-based superalloy using co-based brazing compositions
    Patent number: 5320690
    Abstract: A cobalt base, high temperature brazing alloy having a composition, by weight of:______________________________________ Nickel from about 8.5% to about 12.5% Chromium from about 24% to about 40% Tungsten from about 0% to about 9% Carbon from about 0.03% to about 0.6% Boron from about 0.01% to about 3.5% Silicon from about 1.0% to about 11% Manganese up to about 2% Cobalt Balance ______________________________________is provided for use in the repair of Co-base turbine component superalloys.
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: June 14, 1994
    Assignee: General Electric Company
    Inventors: Adrian M. Beltran, Charles H. Kreischer
  • Advanced high-temperature brazing alloys
    Patent number: 5182080
    Abstract: A cobalt base, high temperature brazing alloy having a composition, by weight of:______________________________________ Nickel from about 8.5% to about 12.5% Chromium from about 24% to about 40% Tungsten from about 0% to about 9% Carbon from about 0.03% to about 0.6% Boron from about 0.01% to about 3.5% Silicon from about 1.0% to about 11% Manganese up to about 2% Cobalt Balance ______________________________________is provided for use in the repair of Co-base turbine component superalloys.
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: January 26, 1993
    Assignee: General Electric Company
    Inventors: Adrian M. Beltran, Charles H. Kreischer
  • Advanced high-temperature brazing alloys
    Patent number: 5066459
    Abstract: A cobalt base, high temperature brazing alloy having a composition, by weight of:______________________________________ Nickel from about 8.5% to about 12.5% Chromium from about 24% to about 40% Tungsten from about 0% to about 9% Carbon from about 0.03% to about 0.6% Boron from about 0.01% to about 3.5% Silicon from about 0.1% to about 11% Manganese up to about 2% Hafnium from about 0.1% to about 3% Tantalum from about 0.1% to about 8% Zirconium from about 0% to about 1% Titanium from 0% to about 1% Cobalt Balance ______________________________________is provided for use in the repair of Co-base turbine component superalloys.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: November 19, 1991
    Assignee: General Electric Company
    Inventors: Adrian M. Beltran, Charles H. Kreischer