Patents by Inventor Richard Rauscher

Richard Rauscher 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).

  • Hydraulically actuatable directional control valve
    Patent number: 5913333
    Abstract: In a hydraulically actuatable directional control valve the servo-piston of which is to be controlled by electromagnetically actuatable pilot valves of small nominal size developed as insertion cartridges integrated in the directional control valve housing, the hydraulic connection between the pilot valves and the directional control valve are effected via channels extending in the directional control valve housing, the channels in the directional control valve housing are produced as cast channels, in particular for mass production, and the connections of the pilot valves are adapted to the size and arrangement of these channels.
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: June 22, 1999
    Assignee: Mannesmann Rexroth AG
    Inventors: Rainer Biener, Richard Rauscher, Winfried Rub