Patents by Inventor Jean Delplanque

Jean Delplanque 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).

  • Friction-type multi-disk engaging device
    Patent number: 3994378
    Abstract: In a disk brake assembly having a plurality of rotor disks affixed to a rotatable shaft, a stator disk carried by a stationary housing and journalled on the shaft, and a pressure plate movable under the influence of a hydraulically actuated piston to axially move the disks into frictional engagement with the housing; there is provided a resilient member on the stator disk for separating the disks upon release of the hydraulic pressure, and for retracting the pressure plate and piston.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: November 30, 1976
    Assignee: International Harvester Company
    Inventors: Jurgen Schwabe, Jean Delplanque