Patents by Inventor John H. McMurray

John H. McMurray 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).

  • Brazing filler metal composition and process
    Patent number: 4444353
    Abstract: Disclosed is a brazing filler metal composition comprising, by weight, about 3.0% to 4.0% chromium, about 1.0%-2.0% boron; about 2.0%-2.5% silicon; about 1.0%-2.0% iron; about 5.0%-6.0% phosphorus; a maximum of about 0.06% carbon and the remainder nickel. Further disclosed is a vacuum brazing process utilizing said filler metal composition.
    Type: Grant
    Filed: October 21, 1982
    Date of Patent: April 24, 1984
    Assignee: Avco Corporation
    Inventors: John H. McMurray, Jule Miller
  • Brazing filler metal composition and process
    Patent number: 4442968
    Abstract: Disclosed is a brazing filler metal composition comprising, by weight, about 8% to 11% chromium, 2.0%-3.0% boron, 3.0%-4.5% silicon, 2.5%-4.0% iron, 7.0%-9.0% tungsten, a maximum of about 0.06% carbon and the remainder nickel. Further disclosed is a vacuum brazing process utilizing said filler metal composition.
    Type: Grant
    Filed: October 21, 1982
    Date of Patent: April 17, 1984
    Assignee: Avco Corporation
    Inventors: John H. McMurray, Jule Miller
  • Brazing filler metal composition and process
    Patent number: 4394347
    Abstract: Disclosed is a brazing filler metal composition comprising, by weight, about 8% to 11% chromium. 2.0%-3.0% boron, 3.0%-4.5% silicon, 2.5%-4.0% iron, 7.0%-9.0% tungsten, a maximum of about 0.06% carbon and the remainder nickel. Further disclosed is a vacuum brazing process utilizing said filler metal composition.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: July 19, 1983
    Assignee: Avco Corporation
    Inventors: John H. McMurray, Jule Miller
  • Brazing filler metal composition and process
    Patent number: 4379121
    Abstract: Disclosed is a brazing filler metal composition comprising, by weight, about 3.0% to 4.0% chromium, about 1.0%-2.0% boron; about 2.0%-2.5% silicon; about 1.0%-2.0% iron; about 5.0%-6.0% phosphorus; a maximum of about 0.06% carbon and the remainder nickel. Further disclosed is a vacuum brazing process utilizing said filler metal composition.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: April 5, 1983
    Assignee: Avco Corporation
    Inventors: John H. McMurray, Jule Miller