| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Hong Kong | 1 | |
| #9 | Norway | 1 | |
| #10 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Ships | |
| #2 | Marine propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kooren Antonie Marius | 14 |
| #2 | Aalbers Arie | 3 |
| #3 | Kooren Antonie M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL2008836C2 | Azimuth friction free towing point. | |
| NL2006453C2 | Tug boat with retractable skeg. | |
| CA2237067A1 | Tugboat having azimuthal propelling units | |
| NL1001805C2 | Tugboat with azimuthal propulsion units. |