Patents by Inventor Jacques J. M. Thirion de Briel

Jacques J. M. Thirion de Briel 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).

  • Speed change pulley
    Patent number: 4365963
    Abstract: A speed change pulley is disclosed in which, for relative centering of the movable side plate with respect to the diaphragm, the diaphragm is provided with engagement members projecting therefrom and axially received in notches in the movable side plate. The engagement members also comprise weight members for enhanced sensitivity to centrifugal force.
    Type: Grant
    Filed: July 3, 1979
    Date of Patent: December 28, 1982
    Assignee: Societe Anonyme Francaise du Ferodo
    Inventor: Jacques J. M. Thirion de Briel