Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5935530 | Exhaust gas catalytic converter for a diesel engine | Hans-Joachim Langer | 1999-08-10 |
| 5300133 | Soot particle exhaust-gas filter | Hans-Dieter Schuster, Wolfgang Zahn, Hans-Joachim Langer | 1994-04-05 |
| 4704863 | Exhaust gas filter for diesel engines | Joerg Abthoff, Hans-Dieter Schuster, Gunter Loose | 1987-11-10 |
| 4667469 | Exhaust gas filter for diesel engines | Joerg Abthoff, Hans-Dieter Schuster, Gunter Loose | 1987-05-26 |