Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378099 | Heave compensated dual hoist crane | Wing Sum LEE, Ken Van Oijen | 2025-08-05 |
| 12234129 | System of a crane and an exchangeable tool | Maarten Hugo HOOFTMAN, Terence Willem August Vehmeijer | 2025-02-25 |
| 12043523 | Crane, vessel comprising such a crane, and a method for up-ending an elongate structure | Theodorus Cornelis Joanes Maria Stijnman | 2024-07-23 |
| 12006189 | Heave compensated dual hoist crane | Wing Sum LEE, Ken Van Oijen | 2024-06-11 |
| 11970370 | Motion compensating crane for use on an offshore vessel | Joop Roodenburg | 2024-04-30 |
| 11939193 | Vessel and crane for offshore operations involving energy consuming equipment or tools | Maarten Hugo HOOFTMAN, Terence Willem August Vehmeijer | 2024-03-26 |
| 11939191 | System of a crane and an exchangeable tool | Maarten Hugo HOOFTMAN, Terence Willem August Vehmeijer | 2024-03-26 |
| 11613448 | Motion compensating crane for use on an offshore vessel | Joop Roodenburg | 2023-03-28 |
| 11066279 | Motion compensating crane for use on an offshore vessel | Joop Roodenburg | 2021-07-20 |
| 10941023 | Wave-induced motion compensating crane for use on an offshore vessel, vessel and load transferring method | David ROODENBURG, Bart Otto Fredrik Wieck, Wouter Jacob Willem Den Boer | 2021-03-09 |
| 10875748 | Marine crane vessel and method of operation | Joop Roodenburg | 2020-12-29 |
| 10858223 | Deepwater hoisting system and method | Eric ROMEIJN, Joop Roodenburg | 2020-12-08 |