Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464590 | Hydraulic aggregate with at least one displacement machine | Dieter Bertsch | 2002-10-15 |
| 6065496 | Electromagnetically operated directional valve | Hermann Sanzenbacher, Peter Kroll, Joachim Zumbraegel | 2000-05-23 |
| 5980215 | Adjustable hydrostatic pump with additional pressure change control unit | Walter Robeller, Dieter Bertsch, Michael Gaumnitz | 1999-11-09 |
| 5879136 | Electrohydraulic adjustable pump | Walter Robeller, Berthold Pfuhl, Dieter Bertsch, Joachim Zumbraegel | 1999-03-09 |
| 5752427 | Adjustable hydro-static radial piston machine | — | 1998-05-19 |
| 5421294 | Hydraulic setting device | Manfred Ruoff, Helmut Rembold, Berthold Pfuhl, Martin Mueller | 1995-06-06 |
| 5197709 | Electromagnetic directional control valve | Peter Kroll, Günter Neumann | 1993-03-30 |
| 4890647 | Hydraulic control valve | Berthold Pfuhl, Eckard Schuttenberg | 1990-01-02 |
| 4777982 | Elastic separating wall | Jurgen Borowitz, Walter Holl | 1988-10-18 |
| 4480202 | Magnetic linear drive | Hans-Joachim Haase, Dietmar Meier, Roland Schempp, Berthold Pfuhl | 1984-10-30 |
| 4478136 | Electrohydraulic control arrangement for hydrostatic machine | Joachim Heiser, Eckard Schuttenberg, Dieter Weigle | 1984-10-23 |
| 4429619 | Control system for a hydraulic load | Berthold Pfuhl | 1984-02-07 |
| 4423747 | Pressure regulating valve | Joachim Heiser | 1984-01-03 |