| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | China | 3 | |
| #4 | United States | 3 | |
| #5 | WIPO (World Intellectual Property Organization) | 3 | |
| #6 | Brazil | 2 | |
| #7 | Israel | 2 | |
| #8 | Mexico | 2 | |
| #9 | Norway | 2 | |
| #10 | Poland | 2 | |
| #11 | Australia | 1 | |
| #12 | Estonia | 1 | |
| #13 | Hungary | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Mixing | |
| #3 | Climate change mitigation in wastewater treatment | |
| #4 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boulant Alain | 23 |
| #2 | Alain Boulant | 4 |
| #3 | Boulant A | 1 |