Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255180 | Modular drill system requiring limited field assembly and limited equipment support | Joop Roodenburg | 2007-08-14 |
| 7021402 | Method for using a multipurpose unit with multipurpose tower and a surface blow out preventer | Joop Roodenburg | 2006-04-04 |
| 6932553 | Multipurpose unit for drilling and well intervention | Joop Roodenburg, Robert van Kuilenburg | 2005-08-23 |
| 6901998 | Method for using a multipurpose system | Joop Roodenburg, Robert van Kuilenburg | 2005-06-07 |
| 6619223 | Tender with hawser lines | — | 2003-09-16 |
| 6601649 | Multipurpose unit with multipurpose tower and method for tendering with a semisubmersible | Joop Roodenburg | 2003-08-05 |
| 6575111 | Method for tendering | — | 2003-06-10 |
| 6463870 | Mooring system for a tender for production platforms | Yi Suang David Tein | 2002-10-15 |
| 6390008 | Tender for production platforms | Yi Suang David Tein | 2002-05-21 |