Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6343578 | Device and method for variable valve timing in an internal combustion engine | Matthias Hofstetter | 2002-02-05 |
| 6050250 | Defect recognition device for internal-combustion engines and process for operating an internal-combustion engine | — | 2000-04-18 |
| 5931124 | Valve timing for internal-combustion engines | Ingemar Denbratt, Jan E. Rydquist | 1999-08-03 |