| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | China | 3 | |
| #4 | Chile | 2 | |
| #5 | Ecuador | 2 | |
| #6 | EPO (European Patent Office) | 2 | |
| #7 | Mexico | 2 | |
| #8 | Singapore | 2 | |
| #9 | United States | 2 | |
| #10 | Colombia | 1 | |
| #11 | Costa Rica | 1 | |
| #12 | Republic of Korea | 1 | |
| #13 | Peru | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Chemical engineering | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering | |
| #2 | Dredging | |
| #3 | Climate change adaptation technologies | |
| #4 | Cleaning | |
| #5 | Separation | |
| #6 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jacobsen Tom | 26 |
| #2 | Tom Jacobsen | 1 |
| #3 | Fagervold Terje | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN110998030A | Device for removing sediment from pile interior | |
| US2016053453A1 | Subsea Device for Sediment Removal | |
| WO2013028076A1 | Device for dredging in water reservoirs | |
| CN103221612A | System and method for removing sediment from sand traps |