| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 10 | |
| #2 | Germany | 5 | |
| #3 | United States | 5 | |
| #4 | Denmark | 4 | |
| #5 | Sweden | 4 | |
| #6 | Switzerland | 3 | |
| #7 | United Kingdom | 3 | |
| #8 | Norway | 3 | |
| #9 | France | 2 | |
| #10 | EPO (European Patent Office) | 1 | |
| #11 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Transport | |
| #3 | Mechanical elements | |
| #4 | Machines | |
| #5 | Thermal processes | |
| #6 | Civil engineering | |
| #7 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Ships | |
| #3 | Auxiliaries on vessels | |
| #4 | Pipes | |
| #5 | Centrifuges | |
| #6 | Heat-exchange device details | |
| #7 | Marine propulsion | |
| #8 | Non-positive-displacement pumps | |
| #9 | Doors and windows | |
| #10 | Hydraulic engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Broodman Johannes Jacobus | 5 |
| #2 | Berg Frans Johan Van Den | 3 |
| #3 | Van Der Hoeven H | 2 |
| #4 | Broodman J | 2 |
| #5 | Hoeven Hendrik Adriaan Van Der | 2 |
| #6 | Schelde N V Koninklijke Maatsc | 1 |
| #7 | Debra Lodericus Augustinus | 1 |
| #8 | Debra Lodericus Augustinus Joz | 1 |
| #9 | Hoeven H Van Der | 1 |
| #10 | Der Hoeven H Van | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL8500402A | Drive users on board. | |
| GB1372793A | Process for connecting two pipes by means of welding | |
| NL172694B | Device for connecting pipes. | |
| US3478525A | Shipbuilding yard and method for building and launching ships or similar floatable bodies | |
| DE1531587A1 | Method of building a ship and assembly plant for ship sectors | |
| NL141139B | YARD FOR BUILDING AND LAUNCHING SHIPS OR SIMILAR FLOATABLE BODIES. |