| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 3 | |
| #2 | France | 2 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | Finland | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | United States | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Climate change adaptation technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dunkers Karl | 9 |
| Publication | Filing date | Title |
|---|---|---|
| FR2725916A1 | Decantation water treatment tank | |
| US5252230A | Granulated filter for the filtration of fine graded suspensions | |
| WO8800857A1 | Method and apparatus for filtration using washable filter bag for water and wastewater treatment |