Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826945 | Method for producing a rack | Bernd Koziara, Alfred Brenner | 2004-12-07 |
| 6763851 | Rotary shift valve for servo-assisted steering systems of motor vehicles | Rainer Schanzel | 2004-07-20 |
| 6276487 | Rotary slide valve for power assisted steering of motor vehicles | Jurgen Bieber, Rainer Schanzel | 2001-08-21 |
| 5904221 | Toothed-rack power-assisted steering in particular for motor vehicles | Jurgen Bieber, Arthur Rupp | 1999-05-18 |
| 5769121 | Rotary slide valve for power-assisted steering in motor vehicles | — | 1998-06-23 |
| 5571238 | Centering device, especially for steering valves | Hans Hofmann | 1996-11-05 |
| 5538096 | Rotary slide valve for auxiliary power steering systems in motor vehicles | — | 1996-07-23 |
| 5195559 | Rotary slide valve for auxiliary-power steering devices for motor vehicles | Rainer Schanzel | 1993-03-23 |
| 4905782 | Steering valve for vehicles | Wolfgang Rieger | 1990-03-06 |
| 4774847 | Mechanism for centering relatively rotative components, particularly in rotary valves | — | 1988-10-04 |
| 4621703 | Hydraulic auxiliary power steering, especially for motor vehicles | — | 1986-11-11 |
| 4400991 | Rack and pinion steering gear, especially for motor vehicles | Wolfgang Walter | 1983-08-30 |
| 4373599 | Hydraulic rack steering system | Wolfgang Walter | 1983-02-15 |
| 4241804 | Servo steering system for motor vehicles | Horst Deininger | 1980-12-30 |