Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7914258 | Fluid mechanical converter | — | 2011-03-29 |
| 6338612 | Method for limiting the pressure provided by a hydraulic pump | Hans-Willi Gerigk | 2002-01-15 |
| 6236178 | Method for limiting the hydraulic maximum pressure of a power-assisted steering system | Mathias Seidel, Dave Vile | 2001-05-22 |
| 6195601 | Method for controlling the valve characteristic | Mathias Seidel | 2001-02-27 |
| 6145309 | Method for controlling the steering volume flow of a hydraulic power-assisted steering unit for motor vehicles | — | 2000-11-14 |
| 6016837 | Steering valve with closed center | David Vile, Geoffrey Pritchard | 2000-01-25 |
| 5870941 | Steering valve with closed center | Geoffrey Pritchard | 1999-02-16 |
| 5851006 | Torsional element for steering valves and spring characteristic improving process | Lars Hampe | 1998-12-22 |
| 5816360 | Method for controlling the pump speed of a hydraulic power steering device | — | 1998-10-06 |