Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6502804 | Device for operating a gas shuttle valve by means of an electromagnetic actuator | Thomas Stolk, Dirk Stubel, Alexander Von Gaisbert | 2003-01-07 |
| 6044816 | Variable valve control for an internal combustion engine | Walter Buck | 2000-04-04 |
| 6032625 | Variable valve control for internal combustion engines | — | 2000-03-07 |
| 5931127 | Variable valve timing mechanism for an internal combustion engine | Walter Buck, Michael Kuhn | 1999-08-03 |