Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378746 | Cutting wheel assembly for a slurry wall cutter | Roland Widmann | 2025-08-05 |
| 12366047 | Drive device for a diaphragm wall cutter | Roland Widmann, Stefan Duelli | 2025-07-22 |
| 12188199 | Drive device for a diaphragm wall cutter | Roland Widmann | 2025-01-07 |