Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378746 | Cutting wheel assembly for a slurry wall cutter | Johannes HALDER | 2025-08-05 |
| 12366047 | Drive device for a diaphragm wall cutter | Johannes HALDER, Stefan Duelli | 2025-07-22 |
| 12188199 | Drive device for a diaphragm wall cutter | Johannes HALDER | 2025-01-07 |
| 10487935 | Drive device with circulation filtering | Philipp Marquard | 2019-11-26 |
| 10355559 | Drive apparatus for a wheel of a work machine | Marijo Mendes, Johann Lis, Stefan Duelli | 2019-07-16 |
| 5836116 | Tank system | — | 1998-11-17 |