Patents by Inventor Roger A. Heimberger

Roger A. Heimberger 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).

  • Noise suppression in relay-switched motors
    Patent number: 5869942
    Abstract: Noise suppression system for a relay-switched windshield wiper, wherein reversal of current to a motor driving the wiper causes the motor to reverse. Filters contained within the motor, together with filters and shielding located external to the motor, suppress rf emissions.
    Type: Grant
    Filed: March 12, 1997
    Date of Patent: February 9, 1999
    Assignee: ITT Automotive Electrical Systems, Inc.
    Inventors: Nicholas J. Miller, John R. Suriano, Peter H. Thompson, Roger A. Heimberger