Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926126 | Disc brake | Herbert Vollert, Hanniel Schmidt, Frieder Keller | 2005-08-09 |
| 6845853 | Wheel brake device | Hanniel Schmidt, Herbert Vollert, Frieder Keller | 2005-01-25 |
| 6622833 | Drum brake system | Hanniel Schmidt, Herbert Vollert, Frieder Keller | 2003-09-23 |
| 6446435 | Hydraulic braking system for automobiles | Karl-Heinz Willmann, Hardy Haas, Stephane Schmit, Herbert Vollert, Andreas Reppich | 2002-09-10 |
| 5425575 | Electromagnetic valve housing containing throttle and check valve which permit armature stroke adjustment | Klaus Schmidt, Werner Wilde, Norbert Alaze, Kurt Herzog, Klaus Muller +1 more | 1995-06-20 |