Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7977275 | Catalytically coated particle filter and method for producing the same and its use | Marcus Pfeifer, Markus Koegel, Roger Staab, Pascal Adolph, Yvonne Demel +3 more | 2011-07-12 |
| 7799298 | Catalyst arrangement and method of purifying the exhaust gas of internal combustion engines operated under lean conditions | Marcus Pfeifer, Nicola Soeger, Yvonne Demel, Paul Spurk, Jurgen Gieshoff +2 more | 2010-09-21 |
| 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, Jurgen Gieshoff +2 more | 2008-01-01 |