| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Spain | 4 | |
| #3 | Canada | 3 | |
| #4 | Denmark | 2 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Henry Rene Auguste | 5 |
| #2 | Rene Auguste Henry | 4 |
| Publication | Filing date | Title |
|---|---|---|
| ES130105A1 | Apparatus for filtering sludge. | |
| ES112941A1 | A procedure for the preparation of sols and their use in the concentration of suspended matter in a liquid to be clarified. | |
| CA309407A | Process of preparing coagulating sols | |
| CA342033A | Slime filtration | |
| CA368289A | Powdered material solution getting into apparatus |