Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858191 | Electrodeionization apparatus and method | Felice DiMascio | 1999-01-12 |
| 5736023 | Polarity reversal and double reversal electrodeionization apparatus and method | Christopher J. Gallagher, Frederick C. Wilkins | 1998-04-07 |
| RE35741 | Process for purifying water | Yoram Oren, Anthony J. Giuffrida, Stephen M. Ciaccio | 1998-03-10 |
| 5558753 | Polarity reversal and double reversal electrodeionization apparatus and method | Christopher J. Gallagher, Frederick C. Wilkins | 1996-09-24 |
| 5316637 | Electrodeionization apparatus | Frederick C. Wilkins, Anthony J. Giuffrida, Christopher Griffin | 1994-05-31 |
| 5308466 | Electrodeionization apparatus | Frederick C. Wilkins, Anthony J. Giuffrida, Christopher Griffin | 1994-05-03 |
| 5292422 | Modules for electrodeionization apparatus | Li-Shiang Liang, Frederick C. Wilkins | 1994-03-08 |
| 5259936 | Purified ion exchange resins and process | — | 1993-11-09 |
| 5211823 | Process for purifying resins utilizing bipolar interface | Anthony J. Giuffrida | 1993-05-18 |
| 4956071 | Electrodeionization apparatus and module | Anthony J. Giuffrida, Yoram Oren | 1990-09-11 |
| 4925541 | Electodeionization apparatus and method | Anthony J. Giuffrida, Anil D. Jha | 1990-05-15 |
| 4747929 | Depletion compartment and spacer construction for electrodeionization apparatus | Kitty K. Siu, Anil D. Jha | 1988-05-31 |
| 4632745 | Electrodeionization apparatus | Anthony J. Giuffrida, Anil D. Jha | 1986-12-30 |
| 4512892 | Method and structure for sealing tubular filter elments | Charles Thomas Paul | 1985-04-23 |
| 4430226 | Method and apparatus for producing ultrapure water | Ramesh S. Hegde | 1984-02-07 |
| 4392958 | Method and structure for sealing tubular filter elements | Charles Thomas Paul | 1983-07-12 |