Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613359 | Method and apparatus for reducing hydrocarbon emissions for an internal combustion engine | Wolfgang Zahn, Gunter Loose | 1997-03-25 |
| 5195466 | Method for the controlled addition of an additive to the fuel supply of a vehicle internal combustion engine | Roland Schulte, Hans-Joachim Langer, Dietmar Hagenloch | 1993-03-23 |
| 5089237 | Gas filter with catalytic coating and a gastight downstream region | Hans-Dieter Schuster, Friedhelm Nunnemann, Hans-Joachim Langer, Gerd Tiefenbacher | 1992-02-18 |
| 5042248 | Process and apparatus for the regeneration of a soot-particle filter in an internal-combustion engine | Jorg Abthoff, Hans-Dieter Schuster, Hans-Joachim Langer, Rolf Gabler, Roland Schulte | 1991-08-27 |
| 4876852 | Diesel internal combustion engine with an exhaust gas line system | Joerg Abthoff, Hans-Dieter Schuster, Hans-Joachim Langer, Rolf Gabler, Roland Schulte | 1989-10-31 |
| 4852349 | Arrangement for the removal of soot particles from the exhaust gas stream of a diesel internal combustion engine | Joerb Abthoff, Hans-Dieter Schuster, Hans-Joachim Langer, Rolf Gabler, Roland Schulte | 1989-08-01 |