| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | Australia | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | United States | 3 | |
| #5 | WIPO (World Intellectual Property Organization) | 3 | |
| #6 | Brazil | 2 | |
| #7 | China | 1 | |
| #8 | Finland | 1 | |
| #9 | Mexico | 1 | |
| #10 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Engines, pumps and turbines | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Flotation | |
| #2 | Mixing | |
| #3 | Separation | |
| #4 | Non-positive-displacement pumps | |
| #5 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dufour Reneau | 22 |
| #2 | Nadreau Jocelyn | 2 |
| #3 | Fauret Patrick | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO9846887A1 | Centrifugal liquid pump with internal gas injection | |
| MX9707177A | Method and apparatus for separating non-soluble particles from a liquid. | |
| US5565099A | Floatation cell with integrated wall scraping means | |
| CA2149365A1 | Floatation cell with wall scraping device | |
| US5385443A | Centrifugal liquid pump with internal gas injection assembly |