Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921076 | Process and apparatus for reducing nitrogen oxides in engine emissions | Christian Goerigk, Stefan Kurze, Gunter Wenninger, Walter Boegner, Friedrich Wirbeleit | 1999-07-13 |
| 5910097 | Internal combustion engine exhaust emission control system with adsorbers for nitrogen oxides | Walter Boegner, Karl-Ernst Haak, Wim Verrelst, Dirk Voigtlaender, Guenter Wenninger +1 more | 1999-06-08 |
| 5851501 | Process for absorbing and desorbing nitrogen oxides in exhaust gases | Andrea Seibold, Leonhard Walz, Walter Boegner, Martina Heinau, Martin Hartweg +1 more | 1998-12-22 |
| 5771686 | Method and apparatus for operating a diesel engine | Stefan Pischinger, Christof Schon, Michel Weibel, Rudiger Pfaff, Walter Boegner | 1998-06-30 |
| 5586433 | Process and apparatus for selective catalyzed no-reduction in oxygen-containing exhaust gases | Walter Boegner, Michael Kraemer, Guenter Wenninger, Friedrich Wirbeleit, Werner Weisweiler | 1996-12-24 |
| 5582005 | Exhaust arrangement for a gasoline | Klaus Wunderlich, Stefan Pischinger, Martin Bechtold | 1996-12-10 |
| 5522905 | Diesel fuel containing an additive which improves the combustion of soot | Gunter Wenninger, Ekkehard Lindner, Michael Pabel | 1996-06-04 |
| 5479775 | Air-compressing fuel-injection internal-combustion engine with an exhaust treatment device for reduction of nitrogen oxides | Michael Kraemer, Friedrich Wirbeleit, Christian Enderle, Walter Friess, Gert Withalm +4 more | 1996-01-02 |
| 5457958 | Method and apparatus for reducing nitrogen oxides in the exhaust gas of an internal combustion engine | Walter Boegner, Karl-Ernst Haak, Gunter Wonninger | 1995-10-17 |
| 5458850 | Method and apparatus for reducing exhaust gases particles | Guenter Wenninger, Friedrich Wirbeleit, Juergen Steinwandel, Rainer Willneff, Theodor Staneff +3 more | 1995-10-17 |