Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833272 | Method and apparatus for determining the storage state of an ammonia-storing SCR catalyst | Tillmann Braun, Michael-Rainer Busch, Aleksandar Knezevic, Klaus Marquardt, Ralf Moos +1 more | 2004-12-21 |
| 6766642 | Exhaust-gas aftertreatment device with nitrogen oxide storage catalytic converter, and operating method therefor | Josef Gunther, Andreas Hertzberg, Brigitte Konrad, Bernd Krutzsch, Heinz-Jost Ölschlegel +6 more | 2004-07-27 |