Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8245767 | Heat transmission unit for an internal combustion engine | Hans-Ulrich Kuhnel | 2012-08-21 |
| 8011175 | Exhaust-gas cooling device for an internal combustion engine | Hans-Ulrich Kuhnel | 2011-09-06 |
| 7428897 | Controllable two way valve device | Andreas Bernardus Mattias Koster, Heinrich Dismon, Hans-Ulrich Kuhnel, Franz Dellen, Ridel Röttges | 2008-09-30 |
| 7213556 | Flap bearing mounting | — | 2007-05-08 |
| 7077114 | Exhaust gas recirculation system for a combustion engine | — | 2006-07-18 |
| 7011082 | Exhaust gas feeding device for an internal combustion machine | — | 2006-03-14 |
| 6367440 | Air-intake tube system for internal combustion engines | — | 2002-04-09 |