Patents by Inventor Arthur E. Rinneer

Arthur E. Rinneer 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).

  • Hydraulic energy-conversion device
    Patent number: 4722672
    Abstract: A device capable of functioning as a fluid pump or motor has a related hydraulic circuit controlling the relationship of the case pressure to the pressure in high-pressure port. The arrangement thus limits the operating pressure effective on the seal system. The preferred form incorporates the hydraulic circuit within the body of the device.
    Type: Grant
    Filed: November 5, 1985
    Date of Patent: February 2, 1988
    Inventor: Arthur E. Rinneer