Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044992 | Particle filter for exhaust gases of internal combustion engine engines | Gerhard Frankle, Hermann-Josef Schulte, Hans-Peter Frisse, Jochen Koll, Franz Kraft | 2006-05-16 |
| 7029510 | Particle filter with carbon deposit combustion for diesel engines | Gerhard Frankle, Hermann-Josef Schulte, Hans-Peter Frisse, Jochen Koll, Klaus Schrewe | 2006-04-18 |