Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8960116 | Dual draft crane vessel | Willem Jacob van der Velde, Willem Johannes Alain Wassink | 2015-02-24 |
| 8459901 | Jacking system | Cornelis Pieter Aartdrianus Van Nood, Johannes Andries Hofman | 2013-06-11 |
| 7624882 | Tie-back system for cranes, in particular heavy load offshore cranes | Michael Franciscus Maria van Marrewijk, Wilhelmus Coenradus Johannes Jozephus Woldring | 2009-12-01 |
| 7182212 | Floating lifting device | Christiaan Frumau, Wilhelmus Coenradus Johannes Jozephus Woldring | 2007-02-27 |
| 6761506 | Pipe lay system with tension compensator | Peter Eric De Lang, Wilhelmus Coenradus Johannes Jozephus Woldring | 2004-07-13 |
| 6375524 | Vessel comprising a retractable thruster | Wilhelmus Coenradus Johannes Jozephus Woldring | 2002-04-23 |
| 6269762 | Vessel-turret assembly having radially guided bogie wheels | — | 2001-08-07 |
| 5850800 | Bogie wheels with curved contact surfaces | — | 1998-12-22 |