| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Brazil | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Netherlands | 3 | |
| #5 | WIPO (World Intellectual Property Organization) | 3 | |
| #6 | Denmark | 2 | |
| #7 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Ships | |
| #2 | Hydraulic engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spaan Jacob Johannes | 7 |
| #2 | Schenkel Martin Arie | 4 |
| #3 | Gelder Klaas Boudewijn Van | 4 |
| #4 | Den Hartogh Frans Arien | 4 |
| #5 | Steenhuis Andre Luur Jan | 4 |
| #6 | Hartogh Frans Arien Den | 4 |
| #7 | Hartogh Frans Ariun Den | 3 |
| #8 | Den Hartogh Frans Arion | 2 |
| #9 | Van Gelder Klaas Boudewijn | 2 |
| #10 | Hartogh Frans Arlun Den | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL1015924C2 | Vessel provided with a device for removing resp. placing a substructure of a drilling or production platform. | |
| NL1014786C2 | Device for lifting a seagoing construction such as a drilling platform, provided with lifting members running parallel to each other. | |
| NL1012314C2 | Method for removing a substructure from a drilling or production platform and vessel provided with a device therefor. |