Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6050174 | Vacuum servo brake for motor vehicles | Jürgen Schonlau, Kai-Michael Graichen, Wilfried Wagner | 2000-04-18 |
| 5499570 | Piston with piston rod being latchable through a retaining member | Klaus Bergelin, Willi Hartmann, Peter Low | 1996-03-19 |
| 5473896 | Piston with central valve for hydraulic brake systems | Klaus Bergelin, Hans Jürgen Walther, Harald König, Rudolf Ludwig, Thomas E. Kramer | 1995-12-12 |
| 5407256 | Load-sensitive twin brake power controller with cup-type dust cover | Rudolf Cezanne, Dieter Fueller | 1995-04-18 |
| 5131144 | Process for the manufacture of a piston/cylinder assembly | Heinz Preuss, Klaus Bergelin | 1992-07-21 |
| 5036751 | Process of precisely adjusting the lost travel of at least one piston in a master cylinder | Hermann Seip, Peter Boehm, Klaus Bergelin | 1991-08-06 |
| 4939901 | Tandem master cylinder with piston stops and central valves | Kurt Bergelin | 1990-07-10 |
| 4709551 | Pressure cylinder and method of adjusting idle travel | Willi Hartmann | 1987-12-01 |