Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7014271 | Apparatus for detecting the state of rotation of cutting rollers of a shield tunneling machine | Werner Burger, Bernhard Ihle, Thorsten Köbele | 2006-03-21 |
| 4194458 | Windsurfer with auxiliary propulsion equipment | — | 1980-03-25 |