Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8212653 | Protected zone system | Michael K. Dempsey, Ronald S. Newbower | 2012-07-03 |
| 6126805 | Electrodialysis including filled cell electrodialysis (electrodeionization) | Bruce Batchelder, Irving D. Elyanow, Russell James MacDonald, Wayne A. McRae, Keith J. Sims +1 more | 2000-10-03 |
| 6117297 | Electrodialysis apparatus | — | 2000-09-12 |
| 5891328 | Membrane-frame for processes including electrodialysis | — | 1999-04-06 |
| 5814197 | Electrodialysis including filled cell electrodialysis (electrodeionization) | Bruce Batchelder, Irving D. Elyanow, Russell James MacDonald, Wayne A. McRae, Keith J. Sims +1 more | 1998-09-29 |
| 5702582 | Multi-port multi-stream valve apparatus | Theodore G. Papastavros, Emery Richard | 1997-12-30 |
| 5679229 | Electrodialysis including filled cell electrodialysis (electrodeionization) | Wayne A. McRae, Keith J. Sims | 1997-10-21 |
| 5503729 | Electrodialysis including filled cell electrodialysis (electrodeionization) | Irving D. Elyanow, Russell James MacDonald, Wayne A. McRae, Keith J. Sims, Li Zhang | 1996-04-02 |
| 4707240 | Method and apparatus for improving the life of an electrode | Edgardo J. Parsi, Keith J. Sims | 1987-11-17 |
| 4661224 | Process and apparatus for electrically desorbing components selectively sorbed on an electrolytically conducting barrier | Edgar Haber, Robert J. Mandle | 1987-04-28 |
| 4643814 | Structure selective fibrous sorbents and method and apparatus for using the same | — | 1987-02-17 |
| 4608140 | Electrodialysis apparatus and process | — | 1986-08-26 |
| 4594135 | Process and apparatus for electrically desorbing components selectively sorbed on granules | — | 1986-06-10 |
| 4584075 | Process and apparatus for electrically desorbing components selectively sorbed on an electrolytically conducting barrier | Edgar Haber, Robert J. Mandle | 1986-04-22 |
| D271170 | Tray | — | 1983-11-01 |
| 4216073 | Ion exchange resin containing activated carbon | — | 1980-08-05 |
| 4202772 | Fluid distribution cell module | — | 1980-05-13 |