Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9476181 | Drag head for a trailing suction hopper dredger and method for dredging using this drag head | — | 2016-10-25 |
| 9115480 | Cutter head for dredging ground and method for dredging using this cutter head | — | 2015-08-25 |
| 8286375 | Drag head of a trailing suction hopper dredger and method for dredging using this drag head | — | 2012-10-16 |
| 7895775 | Draghead for a trailing suction hopper and process for dredging by means of this draghead | — | 2011-03-01 |
| 7647712 | Cutter head for dredging soil and method for dredging by means of this cutter head | — | 2010-01-19 |