Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644521 | Method for operating an exhaust gas purification system of a motor vehicle combustion engine | Rainer Hegemann, Eugen Neuberger, Norbert Waldbuesser | 2017-05-09 |
| 9353664 | Method for operating an exhaust gas treatment system having an SCR catalytic converter | Bernd Christner, Uwe Hofmann, Alexander Kaiser | 2016-05-31 |
| 9057307 | Exhaust gas aftertreatment installation and method | Brigitte Bandl-Konrad, Andreas Hertzberg, Bernd Krutzsch, Arno Nolte, Stefan Renfftlen +4 more | 2015-06-16 |
| 8978362 | Method for operating an exhaust gas treatment system having an SCR catalytic converter | Bernd Christner | 2015-03-17 |
| 8806851 | Method for reducing emission of nitrogen oxide in a motor vehicle having a lean burning internal combustion engine | Cyrill Kammer, Berthold Keppeler, Jochen Lahr, Anke Traebert, Nicole Werquet +1 more | 2014-08-19 |
| 8763366 | Method for operating an internal combustion engine | Bernd Christner, Alexander Kaiser, Berthold Keppeler, Holger Kissling | 2014-07-01 |
| 8429897 | Method for operating an internal combustion engine | Bernd Christner, Alexander Kaiser, Berthold Keppeler, Holger Kissling | 2013-04-30 |
| 8297046 | Exhaust gas aftertreatment installation and method | Brigitte Bandl-Konrad, Andreas Hertzberg, Bernd Krutzsch, Arno Nolte, Stefan Renfftlen +4 more | 2012-10-30 |
| 8181445 | Device and method for exhaust gas aftertreatment | Frank Duvinage, Berthold Keppeler, Bernd Krutzsch, Michel Weibel | 2012-05-22 |
| 8091339 | Method for operating an internal combustion engine | Bernd Christner, Alexander Kaiser, Berthold Keppeler, Holger Kissling | 2012-01-10 |
| 8061122 | Device for removing nitrogen oxides from internal combustion engine waste gas and method for dosing an aggregate of internal combustion engine waste gas | Marc Chaineux, Bernd Christner, Nicholas M. G. Fekete, Berthold Keppeler | 2011-11-22 |
| 7814747 | Exhaust gas aftertreatment installation and method | Brigitte Bandl-Konrad, Andreas Hertzberg, Bernd Krutzsch, Arno Nolte, Stefan Renfftlen +4 more | 2010-10-19 |
| 7765797 | Exhaust gas purification system for a motor vehicle having a reducing agent storage tank, and associated operating method | Frank Duvinage, Christian Goerigk, Berthold Keppeler, Arno Nolte, Joachim Schommers | 2010-08-03 |
| 7662197 | Method of operating an exhaust gas cleaning unit with particle filter and nitrogen oxygen store | Frank Duvinags, Stefan Kurze, Thomas Liebscher, Arno Nolte, Norbert Ruzicka +1 more | 2010-02-16 |
| 7550125 | Exhaust gas purification system | Frank Duvinage, Christian Goerigk, Arno Nolte, Henning Sander | 2009-06-23 |
| 7361320 | Exhaust gas purification unit with reducing agent supply | Frank Duvinage, Christian Goerigk, Arno Nolte, Henning Sander | 2008-04-22 |
| 7254939 | Exhaust gas purification unit with reducing agent supply | Frank Duvinage, Christian Goerigk, Arno Nolte, Henning Sander | 2007-08-14 |
| 7210288 | Exhaust gas aftertreatment installation and method | Brigitte Bandl-Konrad, Andreas Hertzberg, Bernd Krutzsch, Arno Nolte, Stefan Renfftlen +4 more | 2007-05-01 |
| 6892529 | Exhaust-gas purification system for an internal combustion engine | Frank Duvinage, Christian Goerigk, Thomas Liebscher, Dieter Mainka, Siegfried Mueller-Lunz +1 more | 2005-05-17 |
| 6873901 | Method for operating an electronic controller of a motor vehicle | Bernd Christner, Frank Duvinage, Arno Nolte, Henning Sander | 2005-03-29 |
| 5699765 | Cylinder head for a uniflow-scavenged two-stroke internal-combustion engine | Frank Duvinage, Michael Kramer, Nils Rippert, Christian Enderle | 1997-12-23 |
| 5611302 | Two cycle internal combustion engine with unidirectional flow scavenging | Frank Duvinage | 1997-03-18 |