| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Mixing | |
| #2 | Water treatment | |
| #3 | Climate change mitigation in wastewater treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hills Blair H | 16 |
| Publication | Filing date | Title |
|---|---|---|
| CN101410171A | Apparatus for mixing gasses and liquids | |
| US2007200262A1 | Apparatus for mixing gasses and liquids | |
| WO2007092701A2 | Apparatus for mixing gasses and liquids | |
| CA2570936A1 | Apparatus and method for diffused aeration | |
| US2005247647A1 | Separation system for the removal of fat, oil or grease from wastewater |