Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5126056 | Continuous moving bed ion exchange system | — | 1992-06-30 |
| 4693818 | Ion exchange apparatus | Conrad Terrien | 1987-09-15 |
| 4670154 | Mixed resin bed deionizer | Conrad Terrien, Roger Queisser | 1987-06-02 |
| RE31456 | High capacity folded moving bed ion exchange apparatus and method for treating phosphoric acid | — | 1983-12-06 |
| 4321145 | Ion exchange treatment for removing toxic metals and cyanide values from waste waters | — | 1982-03-23 |
| 4280904 | High capacity folded moving bed ion exchange apparatus and method for treating phosphoric acid | — | 1981-07-28 |
| 4228001 | Folded moving bed ion exchange apparatus and method | — | 1980-10-14 |