Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8997465 | Method for purification of exhaust gas from a diesel engine | Keld Johansen | 2015-04-07 |
| 8127535 | Method and system for purification of exhaust gas from diesel engines | Jesper Norsk, Keld Johansen | 2012-03-06 |
| 8062617 | Process and catalyst system for SCR of NOx | Alexandr Stakhev, Søren Dahl, Pär L. T. Gabrielsson | 2011-11-22 |
| 7200990 | Method for controlling injection of reducing agent in exhaust gas from a combustion engine | Pär L. T. Gabrielsson, Max Thorhauge | 2007-04-10 |