Patents by Inventor John J. Pippenger

John J. Pippenger 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).

  • Combined distributor and bypass valve for fluid actuated pump or motor
    Patent number: 4076462
    Abstract: A fluid actuated device of the type wherein the controlled supply and discharge of fluid medium actuates a member for movement through an orbital path in which the flow of the fluid medium is controlled solely by a valve structure rotating in synchronism with a member rotatively driven by said orbitably moving member and which control selectively permits the supply of fluid medium to bypass the orbitably movable member.
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: February 28, 1978
    Assignee: W. H. Nichols Company
    Inventor: John J. Pippenger