Patents by Inventor Marcel F. Guillon

Marcel F. Guillon 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: 4044654
    Abstract: A hydraulic engine of the type working between a high pressure and a low pressure and comprising working chambers and mobile elements movable in said working chambers, wherein means are provided for connecting said working chambers in turn with the low pressure source.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: August 30, 1977
    Assignee: D. B. A.
    Inventor: Marcel F. Guillon