Patents by Inventor Rolf Wenniger

Rolf Wenniger 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).

  • Electrical control system for an electrically heated window in motor vehicle
    Patent number: 5175412
    Abstract: An electrical control system for an electrically heated window in a motor vehicle has a voltage source including a generator, a voltage regulator for regulating a generator output voltage, a transformer switched between the generator and a heating window, the generator output voltage being increased before supplying to the heatable window, and a unit for measuring a temperature of the transformer and interrupting a communication between the transformer and the voltage source in the event of exceeding an adjustable limiting temperature.
    Type: Grant
    Filed: October 11, 1991
    Date of Patent: December 29, 1992
    Assignee: Robert Bosch GmbH
    Inventors: Walter Kohl, Guenter Schramm, Rolf Wenniger