Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689327 | Catalytic converter for reducing hydrocarbon in the exhaust gases of a motor vehicle | Uwe Siepmann | 2004-02-10 |
| 6485694 | Honeycomb body with a cross-sectional region which is bordered in the interior, in particular for small engines | Wolfgang Maus, Uwe Siepmann | 2002-11-26 |
| 5976473 | Catalytic converter configuration with two or multiple-line exhaust conduction | Uwe Siepmann | 1999-11-02 |
| 5729902 | Catalytic converter with two or more honeycomb bodies in a casing tube and method for its production | Ludwig Wieres | 1998-03-24 |
| 5618501 | Catalytic converter with two or more honeycomb bodies in a casing tube and method for its production | Ludwig Wieres | 1997-04-08 |