Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9079789 | Flowpaths in CDI cell | Leonard Paul Seed, Iurie Pargaru | 2015-07-14 |
| 8968546 | Capacitive deionization cell with radial flow | Leonard Paul Seed, Daren D. Yetman, Iurie Pargaru | 2015-03-03 |
| 8252086 | Extraction of metals from sulphide minerals | Leonard Paul Seed | 2012-08-28 |
| 7160430 | Electrochemical treatment of ammonia in waste-water | Leonard Paul Seed | 2007-01-09 |
| 6866754 | Electrochemical cover for inhibiting diffusion/infiltration of oxygen into reactive sulphide materials | Rejean Joseph Henri Brousseau | 2005-03-15 |
| 6309533 | Removal of oxygen from water | Ward Chesworth | 2001-10-30 |
| 6176997 | Apparatus and method for copper extraction by in-situ electrolysis in heap-leaching of ores | Ward Chesworth | 2001-01-23 |
| 6083377 | Electrochemical treatment of water contaminated with nitrogenous compounds | Mei-Jan L. Lin, Ward Chesworth | 2000-07-04 |
| 5630934 | In-situ treatment system for inhibiting the formation of, and for alleviating, acidity in water | Ward Chesworth, Barry Shelp | 1997-05-20 |