| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Belgium | 2 | |
| #3 | Germany | 2 | |
| #4 | France | 2 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Van Roon Johannes | 7 |
| #2 | Roon Johannes Van | 1 |
| #3 | Johannes Roon Van | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0030772A1 | Steerable pushing apparatus for a barge-tug combination | |
| FR2465641A1 | WHEELHOUSE FOR BOAT OR OTHER FLOATING MACHINE | |
| FR2451857A1 | SWIMMING POOL OR CONTROL CABIN | |
| BE882354A | Liftable steering or operating hut |