| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 4 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | United States | 2 | |
| #4 | China | 1 | |
| #5 | Republic of Korea | 1 | |
| #6 | Taiwan | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Shafts | |
| #3 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maat Christiaan Bernhard | 8 |
| #2 | Van Buren Edwin Simon | 4 |
| #3 | Van Beek Antoon | 3 |
| #4 | Buren Edwin Simon Van | 2 |
| #5 | Van Ostayen Ronald Adrianus Johannes | 2 |
| #6 | De Zwart Michael Jacobus Theodorus | 2 |
| #7 | Bernhard Maat Christiaan | 1 |
| #8 | Zwart Michael Jacobus Theodoru | 1 |
| #9 | Beek Antoon Van | 1 |
| #10 | Par Johannes Jacques Rudolph V | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL2003946C2 | Bearing construction, and a screw equipped with such a bearing construction. | |
| NL2001693C2 | Assembly from a rudder and a screw. | |
| NL1029389C2 | Ashless screw. | |
| NL1025829C2 | Coupling system for boats, has pull bar with one end pivotally connected to support on one boat and other end cooperating with counter piece on other boat |