Patents by Inventor Jean M. R. Rouillard

Jean M. R. Rouillard 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).

  • Patent number: 4321855
    Abstract: The invention relates to a drive-assisting device comprising at least a fluid relief engine, a source of pressurized fluid, an engine supply pipe connecting the delivery connector of the fluid source to the inlet connector of the engine, and a calibrated discharge valve, shunt-connected to the supply pipe and provided with means for adjusting its calibration, the control of which is deliberate.
    Type: Grant
    Filed: January 23, 1980
    Date of Patent: March 30, 1982
    Assignee: Poclain Hydraulics
    Inventors: Serge B. Bacquie, Jean M. R. Rouillard