Patents by Inventor Karl Staub

Karl Staub 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).

  • Vane pump
    Patent number: 4927332
    Abstract: A hydraulic vane-type pump is provided having a venting valve which is located immediately at the pressure space of the pump, i.e., avoiding any additional passage means between the pressure space of the pump and the venting valve.
    Type: Grant
    Filed: April 16, 1986
    Date of Patent: May 22, 1990
    Assignee: Mannesmann Rexroth GmbH
    Inventors: Horst Fischer, Karl Staub
  • Directlly actuated vane-type pump
    Patent number: 4780069
    Abstract: In general terms the invention provides for a direct actuated pressure regulated vane-type pump having a adjustment piston which is under the influence of the pump pressure. The adjustment piston is coupled to said cam ring by means of a flexible or articulate connection means, or else the adjustment piston itself is of a flexible or articulate design.
    Type: Grant
    Filed: May 20, 1987
    Date of Patent: October 25, 1988
    Assignee: Mannesmann Rexroth GmbH
    Inventors: Jorg Dantlgraber, Josef Budel, Horst Fischer, Karl Staub, Albert Muller