Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7174705 | Exhaust-gas aftertreatment device with nitrogen oxide storage catalytic converter, and operating method therefor | Klaus Binder, Andreas Hertzberg, Brigitte Konrad, Bernd Krutzsch, Heinz-Jost Ölschlegel +6 more | 2007-02-13 |
| 6766642 | Exhaust-gas aftertreatment device with nitrogen oxide storage catalytic converter, and operating method therefor | Klaus Binder, Andreas Hertzberg, Brigitte Konrad, Bernd Krutzsch, Heinz-Jost Ölschlegel +6 more | 2004-07-27 |
| 6662552 | Exhaust-gas cleaning system and method with internal ammonia generation, for the reduction of nitrogen oxides | Bernd Krutzsch, Christof Schoen, Dirk Voigtlaender, Miechel Weibel, Marko Weirich | 2003-12-16 |
| 6408620 | Exhaust-gas cleaning system with nitrogen oxide accumulator catalyst and sulphur oxide trap and operating method therefor | Walter Boegner, Hans-Peter Holzt, Bernd Krutzsch, Stefan Renfftlen, Christof Schon +3 more | 2002-06-25 |
| 6318075 | Method and device for periodically desulphating a nitrogen oxide or sulphur oxide storage vessel with rich/lean engine cylinder distribution | Andreas Hertzberg, Christof Schon, Ralph Stetter, Dirk Voigtlander | 2001-11-20 |
| 6182446 | Internal combustion engine with at least two cylinder banks | Herbert Klein, Dieter Langrock | 2001-02-06 |
| 5782088 | Piston-type internal combustion engine having two groups of cylinders one of which being selectively inoperative and means for supplying exhaust gas to the catalytic converter of the inoperative group | Roland Kemmler, Herbert Klein, Uwe Kleinecke, Wolfgang Oehler | 1998-07-21 |