| 8608835 |
Exhaust gas purification system for an internal combustion engine |
— |
2013-12-17 |
| 8499545 |
Operating and diagnostic method for an SCR exhaust-gas aftertreatment system |
Dirk Herbstritt, Uwe Hofmann |
2013-08-06 |
| 7747869 |
Process for detecting defective component exchanges |
Andreas Miksch |
2010-06-29 |
| 7567884 |
Method and apparatus for detecting the presence of a prescribed heat exchanger |
Dirk Herbstritt, Andreas Miksch |
2009-07-28 |
| 7427347 |
Method for operating a measuring probe for measuring a gas concentration |
Andreas Bausewein, Ludwig Schifferl |
2008-09-23 |
| 7231760 |
Internal combustion engine with exhaust-gas turbocharger and secondary air injection |
— |
2007-06-19 |
| 7021129 |
Device and method for determining the state of aging of an exhaust-gas catalytic converter |
Axel Hirschmann |
2006-04-04 |
| 6964194 |
Device and method for determining the state of ageing of an exhaust-gas catalytic converter |
Axel Hirschmann |
2005-11-15 |
| 6843104 |
Sampling system for exhaust gas sensors and method of using same |
— |
2005-01-18 |
| 6833272 |
Method and apparatus for determining the storage state of an ammonia-storing SCR catalyst |
Klaus Binder, Tillmann Braun, Aleksandar Knezevic, Klaus Marquardt, Ralf Moos +1 more |
2004-12-21 |
| 6240722 |
Method for determining the fullness or quality of a catalytic converter that stores gases |
Aleksandar Knezevic, Ralf Moos, Carsten Plog |
2001-06-05 |
| 6092413 |
Method for testing correctly connected lambda sensors |
Uwe Kleinecke |
2000-07-25 |
| 5259813 |
Device for controlling the ventilation of an internal space, particularly in motor vehicles |
Jorg Abthoff, Hans-Dieter Schuster, Friedhelm Nunnemann, Gunter Loose, Michael Osswald +1 more |
1993-11-09 |
| 4622809 |
Method and apparatus for monitoring and adjusting .lambda.-probe-controlled catalytic exhaust gas emission control systems of internal combustion engines |
Jorg Abthoff, Hans-Dieter Schuster, Gottfried Wollenhaupt, Gunter Loose |
1986-11-18 |
