Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11001511 | Electrochemical ion exchange treatment of fluids | Dennis Kwok, Alessandro Manigrassi, Shiang Fu | 2021-05-11 |
| 9757695 | Anti-scale electrochemical apparatus with water-splitting ion exchange membrane | Mauricio Lask, Dennis Kwok, Stephen L. Tondre | 2017-09-12 |
| 9090493 | Electrochemical ion exchange treatment of fluids | Christine E. Vogdes, James Holmes, Ashok Kumar Janah | 2015-07-28 |
| 8562803 | Electrochemical ion exchange treatment of fluids | Christine E. Vogdes, James Holmes, Ashok Kumar Janah | 2013-10-22 |
| 8293085 | Cartridge having textured membrane | John Hawkins, George Kayser, James Holmes, Paul Schoenstein, Ashok Kumar Janah | 2012-10-23 |
| 7959780 | Textured ion exchange membranes | John Hawkins, George Kayser | 2011-06-14 |
| 7780833 | Electrochemical ion exchange with textured membranes and cartridge | John Hawkins, George Kayser, James Holmes, Paul Schoenstein, Ashok Kumar Janah | 2010-08-24 |
| 7344629 | Selectable ion concentrations with electrolytic ion exchange | Jim Holmes, Joe Evans | 2008-03-18 |
| 5824954 | Sealed interconnection device | Barton A. Biche, James E. Swett | 1998-10-20 |
| 5788826 | Electrochemically assisted ion exchange | — | 1998-08-04 |
| 5074988 | Apparatus for monitoring an electrolyte | Ken A. Klingman, Jeff Curtis, Ray F. Stewart | 1991-12-24 |
| 5049247 | Method for detecting and locating an electrolyte | Ken A. Klingman, Jeff Curtis, Ray F. Stewart | 1991-09-17 |
| 5045163 | Electrochemical method for measuring chemical species employing ion exchange material | Ken A. Klingman, Jeff Curtis, Ray F. Stewart | 1991-09-03 |
| 5019235 | Method and articles employing ion exchange material | Ken A. Klingman, Jeff Curtis, Ray F. Stewart | 1991-05-28 |
| 5007989 | Method and articles employing ion exchange material | Ken A. Klingman, Jeff Curtis, Ray F. Stewart | 1991-04-16 |
| 4888098 | Method and articles employing ion exchange material | Ken A. Klingman, Jeff Curtis, Ray F. Stewart | 1989-12-19 |