Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6408620 | Exhaust-gas cleaning system with nitrogen oxide accumulator catalyst and sulphur oxide trap and operating method therefor | Walter Boegner, Josef Gunther, Bernd Krutzsch, Stefan Renfftlen, Christof Schon +3 more | 2002-06-25 |
| 4441326 | Process for cooling the passenger compartments of vehicles with hydrogen-consuming engines by mechanical refrigerating procedure | Otto Bernauer, Hermann Lenz | 1984-04-10 |