Patents by Inventor Pierre R. Menard

Pierre R. Menard 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).

  • Actuator for a rail wheel tread scrubber block
    Patent number: 4016959
    Abstract: Movement of a fluid pressure operated piston serves to engage a scrubber block with a railway wheel by means of motion of a piston rod. The piston rod is toothed to engage a take up mechanism for adjusting a clearance between the scrubber block and the wheel.
    Type: Grant
    Filed: February 13, 1976
    Date of Patent: April 12, 1977
    Assignee: Societe S A B
    Inventors: Pierre R. Menard, Andre Ledoux