Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8225773 | Valve arrangement for an exhaust gas recirculation device | Andreas Gruner, Rudiger Knauss, Bernhard Schwalk | 2012-07-24 |
| 7918216 | Exhaust gas recirculation device | Andreas Gruner, Rudiger Knauss, Bernhard Schwalk | 2011-04-05 |
| 7353794 | Filter-cooler combination for liquids, especially for the lubricating oil of a motor vehicle internal combustion engine | Andreas Gruner | 2008-04-08 |