Patents by Inventor Thomas C. Painter

Thomas C. Painter 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).

  • Spark plug with fine wire rivet firing tips and method for its manufacture
    Patent number: 5456624
    Abstract: A spark plug for an internal combustion engine is provided with a fine wire platinum firing tip. The platinum tip is preformed in a rivet before being welded to the center electrode during manufacture of the spark plug.
    Type: Grant
    Filed: March 17, 1994
    Date of Patent: October 10, 1995
    Assignee: AlliedSignal Inc.
    Inventors: David J. Moore, William A. Barrett, Thomas C. Painter