Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7021129 | Device and method for determining the state of aging of an exhaust-gas catalytic converter | Michael-Rainer Busch | 2006-04-04 |
| 6964194 | Device and method for determining the state of ageing of an exhaust-gas catalytic converter | Michael-Rainer Busch | 2005-11-15 |
| 5743087 | Method and apparatus for purifying exhaust gases from internal combustion engines | Wolfgang Zahn, Gunter Loose | 1998-04-28 |
| 5556604 | Method and apparatus for purifying exhaust gases from internal combustion engines | Wolfgang Zahn, Gunter Loose | 1996-09-17 |