Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258280 | Method for concentrating and purifying eluate brine for the production of a purified lithium compound | — | 2025-03-25 |
| 12005400 | High recovery variable volume reverse osmosis membrane system | Kevin Rollings | 2024-06-11 |
| 11673815 | System and method for the treatment of water by reverse osmosis or nanofiltration | Dale L. Wynkoop | 2023-06-13 |
| 11230479 | System and method for the treating of water by reverse osmosis or nanofiltration | Dale L. Wynkoop | 2022-01-25 |
| 11008240 | Process for reduction of sulfide from water and wastewater | Kashi Banerjee, Srikanth Muddasani, David E. Parker | 2021-05-18 |
| 10941046 | Process for silica removal from sodium bicarbonate production wastewater | Kashi Banerjee | 2021-03-09 |
| 7794577 | Spacer for filled cell electrodialysis | William W. Carson, Oleg Grebenyuk, Vladimir Grebenyuk, Keith J. Sims, R. Hilda Zanapalidou +1 more | 2010-09-14 |
| 7094325 | EDI and related stacks and method and apparatus for preparing such | Keith J. Sims, William W. Carson, Richard I. Parent | 2006-08-22 |
| 6796436 | Method and apparatus for preparing pure water | William W. Carson, Keith J. Sims, Robert J. Ritz, William C. Whitehill | 2004-09-28 |
| 4230064 | Universal T.V. channel knob | — | 1980-10-28 |