Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820413 | Annular module for filtering a pressurized liquid by reverse osmosis | — | 1989-04-11 |
| 4770775 | Apparatus for the production of fresh water from sea water by reverse osmosis | — | 1988-09-13 |
| 4740301 | Apparatus for purifying water, especially salt water, by reverse osmosis | — | 1988-04-26 |
| 4452696 | Reverse-osmosis apparatus for producing fresh water from seawater | — | 1984-06-05 |
| 4235718 | Control device for the feeding and for the drainage of a column, column and demineralization station equipped with such a device | — | 1980-11-25 |