Patents by Inventor Karl Herbert

Karl Herbert 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).

  • Adjustable axial flow piston machines
    Patent number: 4426195
    Abstract: In an adjustable axial flow piston pump having a swivellable component such as a swash plate, pressure chambers for swivelling the swivellable component, a lever connected with the swivellable component and supported in the housing of the pump, a final control member mounted in and movable in the lever, a fluid passage in the lever supplying fluid pressure to the control member, a fluid passage in the pump housing connected to the pressure chamber and a fluid passage in the lever connecting the control member and the fluid passages in the housing whereby fluid pressure is delivered through the lever and control means to the pressure chamber.
    Type: Grant
    Filed: August 26, 1981
    Date of Patent: January 17, 1984
    Assignee: Linde Aktiengesellschaft
    Inventors: Karl Herbert, Gustav Kleineisel