Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9057307 | Exhaust gas aftertreatment installation and method | Brigitte Bandl-Konrad, Andreas Hertzberg, Arno Nolte, Markus Paule, Stefan Renfftlen +4 more | 2015-06-16 |
| 8297046 | Exhaust gas aftertreatment installation and method | Brigitte Bandl-Konrad, Andreas Hertzberg, Arno Nolte, Markus Paule, Stefan Renfftlen +4 more | 2012-10-30 |
| 8181445 | Device and method for exhaust gas aftertreatment | Frank Duvinage, Berthold Keppeler, Markus Paule, Michel Weibel | 2012-05-22 |
| 7814747 | Exhaust gas aftertreatment installation and method | Brigitte Bandl-Konrad, Andreas Hertzberg, Arno Nolte, Markus Paule, Stefan Renfftlen +4 more | 2010-10-19 |
| 7625433 | Method for cleaning a particle filter | Bastian Bach, Achim Dittler, Michael Himmen, Peter Neumann, Eberhard Schmidt +2 more | 2009-12-01 |
| 7210288 | Exhaust gas aftertreatment installation and method | Brigitte Bandl-Konrad, Andreas Hertzberg, Arno Nolte, Markus Paule, Stefan Renfftlen +4 more | 2007-05-01 |
| 7174705 | Exhaust-gas aftertreatment device with nitrogen oxide storage catalytic converter, and operating method therefor | Klaus Binder, Josef Gunther, Andreas Hertzberg, Brigitte Konrad, Heinz-Jost Ölschlegel +6 more | 2007-02-13 |
| 6923941 | Filter assembly for an exhaust gas purification system | Georg Huthwohl, Bernd Maurer, Gunter Wenninger | 2005-08-02 |
| 6872365 | Exhaust gas cleaning system having internal ammonia production for reducing nitrogen oxides | Walter Boegner, Martin Hartweg, Brigitte Konrad, Michel Weibel, Guenter Wenninger | 2005-03-29 |
| 6823667 | Method and device for treating diesel exhaust gas | Tillmann Braun, Oliver Ebelsheiser, Klaus-Juergen Marquardt, Michel Weibel, Guenter Wenninger | 2004-11-30 |
| 6766642 | Exhaust-gas aftertreatment device with nitrogen oxide storage catalytic converter, and operating method therefor | Klaus Binder, Josef Gunther, Andreas Hertzberg, Brigitte Konrad, Heinz-Jost Ölschlegel +6 more | 2004-07-27 |
| 6698190 | Device and method for cleansing exhaust gas | Andreas Docter, Andreas Kaupert, Arnold Lamm, Bernhard Vogel, Steffen Wieland | 2004-03-02 |
| 6662552 | Exhaust-gas cleaning system and method with internal ammonia generation, for the reduction of nitrogen oxides | Josef Gunther, Christof Schoen, Dirk Voigtlaender, Miechel Weibel, Marko Weirich | 2003-12-16 |
| 6637189 | Method for the periodically desulfating a nitrogen oxide or sulfur oxide accumulator of an exhaust gas cleaning system | Walter Boegner, Guenter Karl, 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, Walter Boegner +6 more | 2003-06-10 |
| 6408620 | Exhaust-gas cleaning system with nitrogen oxide accumulator catalyst and sulphur oxide trap and operating method therefor | Walter Boegner, Josef Gunther, Hans-Peter Holzt, Stefan Renfftlen, Christof Schon +3 more | 2002-06-25 |
| 6338244 | Exhaust gas purification process and apparatus with internal generation of ammonia for reducing nitrogen oxide | Josef Guenther, Brititte Konrad, Arno Nolte, Dirk Voigtlaender, Michel Weibel +2 more | 2002-01-15 |
| 6318073 | Process and system for purifying exhaust gases of an internal-combustion engine | Walter Boegner, Guenter Karl, Christof Schoen, Dirk Voigtlaender, Guenter Wenninger | 2001-11-20 |
| 6209316 | Method for running a diesel engine | Frank Duvinage, Hans Fausten, Nicholas M. G. Fekete, Anton Kerckhoff, Thomas Liebscher +2 more | 2001-04-03 |
| 6176079 | Process and apparatus for reducing nitrogen-oxide emissions in exhaust gas | Brigitte Konrad, Dirk Voigtlaender | 2001-01-23 |
| 6170259 | Emission control system for an internal-combustion engine | Walter Boegner, Karl-Ernest Haak, Dirk Voigtlaender, Guenter Wenninger, Friedrich Wirbeleit | 2001-01-09 |
| 6161377 | Internal-combustion engine system having a nitrogen oxide storage catalyst and an operating process therefor | Walter Boegner, Guenter Karl, Christof Schoen, Dirk Voigtlaender, Guenter Wenninger | 2000-12-19 |
| 6141959 | Multi-cylinder air-compressing injection-type internal-combustion engine | Steffen Digeser, Frank Duvinage, Walter Friess, Alexander Funk, Anton Kerckhoff +3 more | 2000-11-07 |
| 6119450 | Process and system for purifying exhaust gases of an internal-combustion engine | Walter Boegner, Guenter Karl, Christof Schoen, Dirk Voigtlaender, Guenter Wenninger | 2000-09-19 |
| 6082100 | Method for operating a multicylinder internal combustion engine | Walter Boegner, Frank Duvinage, Walter Friess, Karl-Ernst Haak, Rudolf Maly +7 more | 2000-07-04 |