Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6080375 | Exhaust gas purification catalyst with improved hydrocarbon conversion | Lothar Mussmann, Dieter Lindner, Renee Van Yperen, Thomas Kreuzer | 2000-06-27 |
| 6077489 | Oxidation catalyst for internal combustion engines | Harald Klein, Hans Van Den Tillaart, Thomas Kreuzer, Stephan Eckhoff | 2000-06-20 |
| 6001318 | Process for lowering nitrogen oxide levels in combustion engine exhaust gas | Hans Tillaart, Jurgen Leyrer, Thomas Kreuzer, Stephan Eckhoff | 1999-12-14 |
| 5958829 | Coating dispersion for exhaust gas catalysts | Rainer Domesle, Bernd Engler, Edgar Koberstein, Klaus Ostgathe | 1999-09-28 |
| 5934073 | Auxiliary heating for motor vehicles with internal combustion engines | Jurgen Gieshoff, Thomas Kreuzer | 1999-08-10 |
| 5928981 | Diesel catalytic converter | Jurgen Leyrer, Dieter Lindner, Thomas Kreuzer, Wilfried Muller, Rainer Domesle | 1999-07-27 |
| 5707574 | Method for the unilateral or bilateral sealing or filling of flow channels in an annular zone of a cylindrical honeycomb body | Rainer Domesle, Bernd Engler, Wolfgang Kuhl, Oliver Fehnle, Walter Leibold | 1998-01-13 |
| 5643542 | Process for simultaneously reducing the amounts of hydrocarbons, carbon monoxide and nitrogen oxides contained in the exhaust gas from an internal combustion engine | Juergen Leyrer, Rainer Domesle, Klaus Ostgathe | 1997-07-01 |
| 5628925 | Process for manufacturing a coated, monolithic metal support | Rainer Domesle, Bernd Engler | 1997-05-13 |
| 5569441 | System for accelerating the heating rate of a fixed bed catalyst by supplying supplemental energy | Bernd Engler, Andreas Niemann-Weber | 1996-10-29 |
| 5516494 | Process for applying a coating to honeycomb structures in an exhaust gas converter | Rainer Domesle, Bernd Engler | 1996-05-14 |
| 5496788 | Coating dispersion for exhaust gas catalysts | Rainer Domesle, Bernd Engler, Edgar Koberstein, Klaus Ostgathe | 1996-03-05 |
| 5446006 | Monolithic catalyst with a metal carrier | Rainer Domesle, Bernd Engler | 1995-08-29 |
| 5371056 | Oxidative diesel control catalyst | Juergen Leyrer, Bernd Engler, Rainer Domesle | 1994-12-06 |
| 5354720 | Reduction in the quantity of NO.sub.x in lean exhaust gas of motor vehicle engines | Jurgen Leyrer, Bernd Engler | 1994-10-11 |
| 5045521 | Catalyst for the purification of exhaust gases of internal combustion engines with reduction of hydrogen sulfide emission | Edgar Koberstein, Bernd Engler | 1991-09-03 |
| 5043311 | Monolithic or honeycomb-type catalyst | Bernd Engler, Edgar Koberstein, Herbert Voelker | 1991-08-27 |
| 4987112 | Catalyst to eliminate noxious substances contained in the exhaust gases of predominantly alcohol fueled internal combustion engines, a process for its preparation, and uses | Bernd Engler, Edgar Koberstein, Herbert Voelker | 1991-01-22 |
| 4963521 | Exhaust-gas catalyst with reduced tendency to store sulfur oxides and to emit hydrogen sulfide and process for preparing the catalyst | Bernd Engler, Edgar Koberstein | 1990-10-16 |