Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9207146 | Method and apparatus for monitoring an electromagnetic hydraulic valve for a variable valve timing system | Thomas Melzig, Arno Wunderlich, Lutz Kretzschmar | 2015-12-08 |
| 7280911 | Method for the detection of faults in the engine control in internal combustion engines having at least two control units | Thomas Rauner | 2007-10-09 |
| 5435172 | Process for testing the operating efficiency of exhaust gas catalysts | Dietmar Schwarzenthal | 1995-07-25 |
| 5195498 | Tank-venting apparatus as well as a method and arrangement for checking the tightness thereof | Johann Siebler, Andreas Blumenstock, Helmut Denz, Axel Michelet, Siegfried Wesinger +2 more | 1993-03-23 |
| 5131293 | Motor vehicle having an automatically shifting transmission | Friedrich-Wilhelm Kaiser, Willi Seidel | 1992-07-21 |
| 5058380 | Exhaust system of an internal-combustion engine | Horst Klink | 1991-10-22 |