Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8127596 | Method for verifying the tightness of a tank bleeding system without using a pressure sensor | Oliver Grunwald | 2012-03-06 |
| 8000853 | Method and device for operating an internal combustion engine | Carsten Bruns, Gerd Rösel, Michaela Schneider | 2011-08-16 |
| 7191771 | Method for controlling an internal combustion engine having a lambda regulation | Hong Zhang | 2007-03-20 |
| 7003943 | Method and device for lambda control and for catalytic converter diagnosis in an internal combustion engine | Hong Zhang | 2006-02-28 |
| 6314723 | Method of checking the functional capability of a catalytic converter | Hartmut Pfleger | 2001-11-13 |
| 5862661 | Method for monitoring catalytic converter efficiency | Hong Zhang | 1999-01-26 |
| 5732549 | Method for checking the conversion capability of a catalytic converter | Stefan Treinies, Michael Krauss | 1998-03-31 |
| 5647205 | Process for checking the conversion capability of a catalyst | Manfred Wier, Stefan Treinies | 1997-07-15 |