Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11014077 | Active SCR catalyst | Fei Wen, Nicola Soeger | 2021-05-25 |
| 8341938 | Method for determining the instant at which a nitrogen oxide storage catalyst is switched from the storage phase to the regeneration phase and for diagnosing the storage properties of this catalyst | Martin Votsmeier, Juliane Theis, Ulrich Goebel, Thomas Kreuzer | 2013-01-01 |
| 8136349 | Exhaust-gas purification system with particulate filter and method of operation thereof with improved regeneration of the particulate filter | Martin Votsmeier, Frank Schütze, Marcus Pfeifer, Egbert Lox, Thomas Kreuzer | 2012-03-20 |
| 7799298 | Catalyst arrangement and method of purifying the exhaust gas of internal combustion engines operated under lean conditions | Marcus Pfeifer, Nicola Soeger, Yvonne Demel, Tobias Kuhl, Paul Spurk +2 more | 2010-09-21 |
| 7737081 | Method of operating a catalyst which includes components for storing hydrocarbons | Martin Votsmeier, Frank Schütze, Stephan Malmberg, Egbert Lox, Thomas Kreuzer | 2010-06-15 |
| 7735312 | Method for determining the instant at which a nitrogen oxide storage catalyst is switched from the storage phase to the regeneration phase and for diagnosing the storage properties of this catalyst | Martin Votsmeier, Juliane Kluge, Ulrich Goebel, Thomas Kreuzer | 2010-06-15 |
| 7700070 | Process and apparatus for catalytic conversion of hydrocarbons for generating a gas rich in hydrogen | Hartmut Finkbeiner | 2010-04-20 |
| 7563744 | Catalyst featuring silicone dioxide based support material for the purification of exhaust gases | Harald Klein, Ulrich Neuhausen, Egbert Lox, Thomas Kreuzer | 2009-07-21 |
| 7431895 | Exhaust gas treatment unit for the selective catalytic reduction of nitrogen oxides under lean exhaust gas conditions and a process for the treatment of exhaust gases | Marcus Pfeifer, Paul Spurk, Yvonne Demel, Egbert Lox, Thomas Kreuzer | 2008-10-07 |
| 7313911 | Method of removing nitrogen oxides from the exhaust gas of a lean-burn internal combustion engine and exhaust-gas purification system therefor | Markus Pfeifer, Barry Van Setten, Paul Spurk, Yvonne Demel, Tobias Kuhl +2 more | 2008-01-01 |
| 7310940 | Method of operating a system comprising a diesel engine and catalyst for exhaust gas purification | Martin Votsmeir, Stephan Malmberg, Egbert Lox, Thomas Kreuzer | 2007-12-25 |
| 6739176 | Process for checking the operability of an exhaust gas purification catalyst | Ulrich Neuhausen, Harald Klein, Egbert Lox, Thomas Kreuzer | 2004-05-25 |
| 6725647 | Exhaust gas treatment units for internal combustion engines and processes for operating them | Marcus Pfeifer, Barry Van Setten, Paul Spurk, Egbert Lox, Thomas Kreuzer | 2004-04-27 |
| 6686075 | Process for producing electrical energy with the aid of a fuel cell | Helga Vollmer, Barbara Diehl, Egbert Lox, Thomas Kreuzer | 2004-02-03 |
| 6517794 | Method for removing nitrogen oxides from an oxygen-containing flue gas stream | Jurgen Lang | 2003-02-11 |
| 6471932 | Process for the plasma-catalytic production of ammonia | Jurgen Lang | 2002-10-29 |
| 6334986 | Process for the selective catalytic reduction of the nitrogen oxides contained in a lean exhaust gas | Hans Van Den Tillaart, Thomas Kreuzer, Egbert Lox, Jurgen Lang | 2002-01-01 |
| 6238525 | Process for reducing the nitrogen oxides content of exhaust gas from an internal combustion engine | Egbert Lox, Wolfgang Strehlau, Thomas Kreuzer | 2001-05-29 |
| 5934073 | Auxiliary heating for motor vehicles with internal combustion engines | Egbert Lox, Thomas Kreuzer | 1999-08-10 |
| 5464006 | Water heater | Konstantin Ledjeff, Alexander Schuler | 1995-11-07 |