Patents by Inventor Elmer G. Smith

Elmer G. Smith 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).

  • 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