| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Australia | 3 | |
| #3 | Norway | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Ships | |
| #2 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smedal Arne | 16 |
| #2 | Syvertsen Kare | 5 |
| #3 | Syvertsen Kaare | 1 |
| #4 | Boerseth Knut | 1 |
| #5 | Boerseth Knut E | 1 |
| #6 | Syvertsen Kore | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6397770B1 | Ship for offshore operations with vertical openings | |
| PL342664A1 | Coasting-trade ship with vertical openings | |
| AU9561598A | Swivel device |