Patents by Inventor Bruce E. Ankenman

Bruce E. Ankenman 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).

  • Variable resistance thermal protector and method of making same
    Patent number: 4873508
    Abstract: The resistance of a thermal protector is varied by forming different sizes of holes therethrough to vary the area. The external size and shape of the thermal protector remains the same for ease of fixturing and mating with other parts.
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: October 10, 1989
    Assignee: Therm-O-Disc, Incorporated
    Inventors: Bruce E. Ankenman, Donald G. Cunitz