Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7252064 | Switchable air intake system for multi-cylinder internal combustion engine | Reinhard Koenneker | 2007-08-07 |
| 6305295 | Stopping device for a transport trolley | — | 2001-10-23 |
| 6098581 | Variable valve control for piston internal combustion engine | Alexander Hiereth | 2000-08-08 |
| 6044816 | Variable valve control for an internal combustion engine | Roland Schwegler | 2000-04-04 |
| 5931127 | Variable valve timing mechanism for an internal combustion engine | Michael Kuhn, Roland Schwegler | 1999-08-03 |
| 5457467 | Multiple antenna system with output signal combination | Dieter Schenkyr | 1995-10-10 |
| 5204979 | Diversity receiving method and apparatus for combining a plurality of rapidly changing signals | Dieter Schenkyr | 1993-04-20 |