Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637189 | Method for the periodically desulfating a nitrogen oxide or sulfur oxide accumulator of an exhaust gas cleaning system | Guenter Karl, Bernd Krutzsch, Stefan Renfftlen, Christof Schoen, Dirk Voigtlaender +1 more | 2003-10-28 |
| 6574955 | Method and apparatus for desulfurizing a nitrogen oxide adsorber | Doris Schröder, Dirk Voigtlander, Michel Weibel, Gunter Wenninger, Kirsten Hardenberg +6 more | 2003-06-10 |