| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 4 | |
| #2 | Norway | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Finland | 2 | |
| #5 | United Kingdom | 1 | |
| #6 | Japan | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Van Drunen Jacobus | 5 |
| #2 | Drunen Jacobus Van | 2 |
| #3 | Yohanesu Zaiberutasu De Sutein | 1 |
| #4 | Steenwinkel Johannes Siebertus | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL9002066A | Operating device for the launch of a life boat. | |
| NL8902103A | Tiltable gravity davit for free-dropboat. | |
| NL8902104A | Tilt life-davit. | |
| NL7809049A | Ship with an installation for lifting a life boat. |