Patents by Inventor Aurelis Ortelli

Aurelis Ortelli 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).

  • Distributor for hydraulic motors
    Patent number: 4181067
    Abstract: A distributor for hydraulic motors, particularly radial-piston hydraulic motors, wherein an excellent hydraulic seal is provided in the area between the motor housing and the fluid distribution plate by the utilization of a tubular sleeve located in front of the distribution plate. At least two annular steps located on said sleeve which engage with corresponding annular steps on the housing provide such seal.
    Type: Grant
    Filed: February 17, 1978
    Date of Patent: January 1, 1980
    Assignee: Riva Calzoni S.p.A.
    Inventor: Aurelis Ortelli