| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 3 | |
| #2 | Belgium | 2 | |
| #3 | Brazil | 2 | |
| #4 | Spain | 2 | |
| #5 | Canada | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Germany | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Climate change mitigation in wastewater treatment | |
| #2 | Fibrous raw materials | |
| #3 | Flotation | |
| #4 | Separation | |
| #5 | Paper-making machines | |
| #6 | Water treatment | |
| #7 | Unspecified technologies | |
| #8 | Mixing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hellberg Enar Valentin | 3 |
| #2 | Hellberg E V | 2 |
| #3 | Enaaru Buarentein Heruberugu | 2 |
| #4 | Hellberg Enar V | 2 |
| #5 | Enaaru Barantan Heruberuhi | 1 |
| #6 | Enar V | 1 |
| #7 | Hellberg E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BE891413A | Apparatus for diffusing a gas in a liquid | |
| BE880129A | Defiber | |
| US4186094A | Apparatus for eliminating by flotation impurities in the form of solid particles contained in a liquid | |
| CH614636A5 | Process and installation for the elimination, by flotation, of impurities in the form of solid particles contained in a liquid |