Patents by Inventor Philippe Dufau

Philippe Dufau 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).

  • Clutch mechanism
    Patent number: 4666024
    Abstract: A clutch mechanism is designed to couple at will a flywheel and a shaft, and is equipped with a power takeoff for permanently driving a second shaft concentric with the first shaft.
    Type: Grant
    Filed: January 9, 1985
    Date of Patent: May 19, 1987
    Assignee: Valeo
    Inventors: Marcel Blond, Philippe Dufau