| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | Australia | 4 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | Mexico | 3 | |
| #6 | South Africa | 3 | |
| #7 | Brazil | 2 | |
| #8 | Canada | 2 | |
| #9 | China | 2 | |
| #10 | EAPO (Eurasian Patent Organization) | 2 | |
| #11 | Taiwan | 2 | |
| #12 | United Kingdom | 1 | |
| #13 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology | |
| #3 | Transport | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Climate change adaptation technologies | |
| #3 | Hydraulic engineering | |
| #4 | Dry-docking of vessels | |
| #5 | Siphons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jacobsen Tom | 30 |
| #2 | Fagervold Terje | 29 |
| #3 | Fagervold Gunnar | 29 |
| #4 | Kvalvag Gustav | 11 |
| #5 | Kvalvaag Gustav | 10 |
| #6 | Kvalvaag Olav | 9 |
| #7 | Terje Fagervold | 2 |
| #8 | Gunnar Fagervold | 1 |
| #9 | Fagervold Gunner | 1 |
| #10 | Fagervold Tarje | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0413933D0 | Suction manifold for dredging | |
| WO03036099A1 | Ejector | |
| EP1346107A1 | Method for hydraulic subsea dredging | |
| MXPA02009749A | Method and device for subsea dredging. | |
| EP1305478A2 | Method and device for moving subsea rocks and sediments |