Patents by Inventor Gil R. Marc

Gil R. Marc 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).

  • Four-wheel drive transmission device
    Patent number: 4750382
    Abstract: Four-wheel drive transmission device comprising at the outlet of transmission (15) a drive gear (1) driving an outer ring gear (2) which comprises an internal toothing which is the ring gear (4) of the central differential (16) whose sun gear (6) controls one of the axles (17), and whose planet carrier (18) controls the other axle, characterized in that a self-braking system is placed between the planet carrier (18) and the sun gear (16) so as to transfer automatically a portion of the energy from the axle losing adherence to the other axle.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: June 14, 1988
    Assignee: Regie Nationale des Usines Renault
    Inventor: Gil R. Marc