Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499970 | Pump unit for a vehicle brake system | Heinz Siegel, Rolf Hummel, Barbara Schwind-Grellmann, Martin Mohle, Erika Mank | 2002-12-31 |
| 6280167 | Gear ring pump having a housing wall with a hollow cone recess | Rolf Hummel, Gerd Baur | 2001-08-28 |
| 6168245 | Hydraulic brake system for motor vehicles | Heinz Siegel, Rolf Hummel, Guenter Krenz, Erika Mank, Rolf Stotz | 2001-01-02 |
| 5927824 | Vehicle hydraulic brake system | Wolf-Dieter Jonner, Norbert Alaze, Helmut Pueschel, Thomas Isella, Guenther Schmidt +10 more | 1999-07-27 |
| 4650363 | Ball joint for a brake booster | Georg Kehl, Ernst-Dieter Schafer, Heinz Siegel | 1987-03-17 |
| 4194361 | Electro-mechanical control system for hydraulic displacement pumps, such as swash plate or eccenter pumps | Hans-Jurgen van der Kolk, Manfred Lixenfeld | 1980-03-25 |
| 4194364 | Arrangement for controlling the operation of a fluid-displacement machine | Gerhard Nonnenmacher | 1980-03-25 |