Patents by Inventor Walter Knur

Walter Knur 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).

  • Individual-wheel drive for vehicles
    Patent number: 4402374
    Abstract: An individual-wheel drive apparatus including an electric motor is disclosed. A two-stage planetary gear arrangement couples the motor to the wheel. The hollow gear of the planetary gear arrangement is fastened to the end bell of the motor. The outside surface of the hollow gear serves as the inner bearing race for the bearing of the wheel hub.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: September 6, 1983
    Assignees: Zahnradfabrick Friedrichshafen A.G., Siemens Aktiengesellschaft
    Inventors: Walter Knur, Siegfried Winkelmann