| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 3 | |
| #2 | United States | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | France | 1 | |
| #7 | Israel | 1 | |
| #8 | Japan | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Civil engineering | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Swimming pools | |
| #3 | Climate change mitigation in goods production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lange Klas | 13 |
| #2 | Ekenbaeck Anders | 8 |
| #3 | Davidsson Marcus | 5 |
| #4 | Ekenback Anders | 5 |
| Publication | Filing date | Title |
|---|---|---|
| GB0201953D0 | Device for cleaning bottoms of pools with sand beds | |
| CN1231220A | Method and device for cleaning bottoms of pools with sand beds | |
| IL126194D0 | Apparatus for automatic cleaning of a water-filled pool | |
| SE9800699D0 | Cleaning sedimentation tanks in waterworks |