| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 1 | |
| #2 | Canada | 1 | |
| #3 | Denmark | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Finland | 1 | |
| #6 | Hungary | 1 | |
| #7 | Monaco | 1 | |
| #8 | Malawi | 1 | |
| #9 | Mexico | 1 | |
| #10 | Norway | 1 | |
| #11 | African Intellectual Property Organization | 1 | |
| #12 | Sweden | 1 | |
| #13 | United States | 1 | |
| #14 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Civil engineering | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Climate change adaptation technologies | |
| #2 | Hydraulic engineering | |
| #3 | Unspecified technologies | |
| #4 | Separation | |
| #5 | Animal care |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ek Kenneth | 11 |
| #2 | Hammarstedt Ulf | 10 |
| #3 | Kenneth Ek | 2 |
| #4 | Ulf Hammarstedt | 1 |
| #5 | Hammerstedt Ulf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BR8404739A | Collecting wheel | |
| US4549970A | Method for collecting and separating solids and/or insoluble liquids from a liquid body |