Patents by Inventor Owald Friedmann

Owald Friedmann 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).

  • Apparatus for transmitting torque between flywheels in the power train between the engine and the transmission of a motor vehicle
    Patent number: 4760754
    Abstract: Apparatus for transmitting torque between a first flywheel and a second flywheel in the power train between the crankshaft of the engine and the input shaft of the change-speed transmission of a motor vehicle has a friction generating device which is connected in series with a first damper which, in turn, is connected in series with a second damper. A slip clutch is provided in series with the friction generating device.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: August 2, 1988
    Assignee: Luk Lamellen und Kupplungsbau GmbH
    Inventor: Owald Friedmann