Patents by Inventor Eugen Ebert

Eugen Ebert 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).

  • Pressure control valve
    Patent number: 5295663
    Abstract: A pressure control valve is provided comprising an inlet bore, an annular channel and a control spool. So as to obtain a low control deviation and good stability an annular channel is provided at the outlet side of the valve. The axial extension of said annular channel is smaller than the outlet flow area formed by said bores.
    Type: Grant
    Filed: December 28, 1992
    Date of Patent: March 22, 1994
    Assignee: Mannesmann Rexroth GmbH
    Inventors: Gotz-Dieter Machat, Eugen Ebert, Hans Wolfges