Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8500369 | Method and device for environmentally friendly ramming under water | — | 2013-08-06 |
| 7104731 | Divisible pile sleeve | — | 2006-09-12 |
| 6497312 | Hydrodynamic coupling device | Christoph Sasse, Roland Illig | 2002-12-24 |