Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145633 | Actuating device for machine elements that are subject to wear play, especially for brakes of railborne vehicles | Axel Kemner, Ralf Stoffels | 2000-11-14 |
| 6119826 | Device for operating machine elements subject to wear-related play | Ralf Stoffels, Erhard Lehnert, Axel Kemner | 2000-09-19 |
| 5560275 | Drive of the fluid or electric type with a control | Wolfgang Bauspiess, Horst Rothele | 1996-10-01 |
| 5297470 | Pneumatic rotary drive | Ralf Huber | 1994-03-29 |
| 5277398 | Solenoid valve | Victor Cahanciuc, Wolf-Dieter Goedecke, Thomas Kieninger | 1994-01-11 |
| 5261320 | Pneumatic rotary drive | Ralf Huber | 1993-11-16 |
| 5219393 | Pressure driven rotary drive | Ralf Huber | 1993-06-15 |