Patents by Inventor Charles J. Boos

Charles J. Boos 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).

  • Ceramic to metal junction and method of making same
    Patent number: 4575047
    Abstract: A ceramic part having one of a boss projecting therefrom or a bore therein is joined to a metal part having a complementary boss or bore. The ceramic and metallic parts overlap one another such that the boss is within the bore when assembled. A metallic insert is bonded to the ceramic part and secured by threads to the metallic part in the overlapping area. Metallic part and metallic insert are dimensioned such that when the joint is fully assembled an end of the insert bears on the metallic part and the ceramic and metallic parts do not contact one another.
    Type: Grant
    Filed: January 24, 1984
    Date of Patent: March 11, 1986
    Assignee: Kennecott Corporation
    Inventors: Charles J. Boos, Mario C. Kerr
  • Method for providing electrical connection
    Patent number: 4228344
    Abstract: A composition comprising negatively doped hot pressed particulate silicon carbide, the process for making the composition, an electrical hot surface fuel ignitor manufactured from the composition, a silicon brazed electrical connection for the ignitor and an ignitor circuit containing a dropping resistance.
    Type: Grant
    Filed: June 29, 1978
    Date of Patent: October 14, 1980
    Assignee: The Carborundum Company
    Inventors: Charles J. Boos, Elwood B. Hausler, James A. Hirsch, Martin R. Kasprzyk, Elmer G. Smith
  • Fuel ignitor comprising a novel silicon carbide composition
    Patent number: 4205363
    Abstract: A composition comprising negatively doped hot pressed particulate silicon carbide, the process for making the composition, an electrical hot surface fuel ignitor manufactured from the composition, a silicon brazed electrical connection for the ignitor and an ignitor circuit containing a dropping resistance.
    Type: Grant
    Filed: June 29, 1978
    Date of Patent: May 27, 1980
    Assignee: The Carborundum Company
    Inventors: Charles J. Boos, Elwood B. Hausler, James A. Hirsch, Martin R. Kasprzyk, Elmer G. Smith