Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7803327 | Exhaust gas treatment device and the respective manufacturing process | Georg Wirth, Marco Wenz | 2010-09-28 |
| 6967006 | Method for mounting and insulating ceramic monoliths in an automobile exhaust system and a mounting produced according to this method | Georg Wirth, Siegfried Worner | 2005-11-22 |
| 6729127 | Exhaust cleaning system for motor vehicles, especially diesel-powered utility vehicles | Siegfried Woerner, Thomas Hauber, Rudolf Buhmann, Marcus Werni | 2004-05-04 |
| 6660359 | Fiber mat | Georg Wirth, Siegfried Woerner | 2003-12-09 |
| 5683660 | Method for uniting an exhaust treatment body with its housing and an exhaust treatment apparatus | Georg Wirth, Siegfried Worner | 1997-11-04 |
| 5180408 | Device for treating the exhaust gases of internal combustin engines with two exhaust gas treatment bodies arranged at spaced locations | Siegfried Worner, Georg Wirth | 1993-01-19 |
| 5094073 | Device for the catalytic cleaning or other treatment of internal combustion engine exhaust gases with two exhaust gas treating bodies and a protective ring between them | Siegfried Worner, Georg Wirth | 1992-03-10 |
| 4927608 | Device for catalytic cleaning of motor vehicle exhaust gases | Siegfried Worner, Georg Wirth | 1990-05-22 |