Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10989089 | Particle filter having SCR-active coating | Anke Schuler, Katja Adelmann, Franz Dornhaus, Michael Schiffer | 2021-04-27 |
| 10799831 | SCR-active material | Michael Seyler, Michael Lennartz, Frank-Walter Schuetze, Benjamin Barth, Anke Schuler +1 more | 2020-10-13 |
| 9719446 | Reduction of N2O in the exhaust gas of lean-burn petrol engines | Frank Adam, Sebastian Mueller | 2017-08-01 |
| 9587540 | Method and device for reactivating exhaust-gas purification systems of diesel engines with low-pressure EGR | Stefan Franoschek | 2017-03-07 |
| 9482128 | Method for regenerating NOx storage catalytic converters of diesel engines with low-pressure EGR | Stefan Franoschek, Frank Adam | 2016-11-01 |
| 9328682 | Regulating strategy for a catalytic converter concept for exhaust-gas aftertreatment having a plurality of nitrogen oxide storage catalytic converters | Ruediger Hoyer, Stefan Franoschek | 2016-05-03 |
| 8512658 | Method of depleting nitrous oxide in exhaust gas after-treatment for lean-burn engines | Frank Adam, Christian LAMMARCK | 2013-08-20 |
| 8475753 | Exhaust-gas aftertreatment system with catalytically active wall-flow filter with storage function upstream of catalytic converter with identical storage function | Wilfried Mueller, Joerg-Michael Richter, Stefan Franoschek, Martin Votsmeier | 2013-07-02 |
| 8454917 | Nitrogen oxide storage catalytic converter for use in a motor vehicle in a close-coupled position | Ruediger Hoyer, Thomas R. Pauly | 2013-06-04 |
| 8383544 | Dual-stage method for the reactivation of thermally aged nitrogen oxide storage catalysts | Meike Wittrock, Ulrich Goebel, Ina Grisstede, Ruediger Hoyer, Wilfried Mueller +5 more | 2013-02-26 |
| 8327625 | Method for regenerating soot filters in the exhaust gas system of a lean mix engine, and exhaust gas system therefor | Ina Grisstede, Wilfried Mueller, Thomas Kreuzer | 2012-12-11 |
| 6077489 | Oxidation catalyst for internal combustion engines | Harald Klein, Hans Van Den Tillaart, Egbert Lox, Thomas Kreuzer | 2000-06-20 |
| 6001318 | Process for lowering nitrogen oxide levels in combustion engine exhaust gas | Hans Tillaart, Jurgen Leyrer, Egbert Lox, Thomas Kreuzer | 1999-12-14 |