Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257551 | Multi-stage bipolar electrodialysis system for high concentration acid or base production | Chengqian Zhang, Wei Lu, Jiyang Xia, Yongchang Zheng, Bruce Batchelder | 2025-03-25 |
| 12157090 | Spiral wound bipolar electrodialysis cell | Zijun Xia, Chengqian Zhang, Wujun Rong, Yongchang Zheng, Bruce Batchelder +4 more | 2024-12-03 |
| 11904278 | Electrodialysis stack | Wojciech Gutowski, Yongchang Zheng, Russell James MacDonald | 2024-02-20 |
| 11766638 | Ion-exchange membrane having an imprinted non-woven substrate | Yonghong Zhao | 2023-09-26 |
| 11484839 | Electrodialysis stack | Wojciech Gutowski, Yongchang Zheng, Russell James MacDonald | 2022-11-01 |
| 11135551 | Ion-exchange membrane having an imprinted non-woven substrate | Yonghong Zhao | 2021-10-05 |
| 10946341 | Bipolar electrodialysis methods and systems | Yongchang Zheng | 2021-03-16 |
| 10486151 | Ion-exchange membrane with multi-layered support substrate | Russell James MacDonald, Yongchang Zheng, Kai Zhang, Yonghong Zhao | 2019-11-26 |
| 10351446 | Desalination system and method | Linglu Yang, Hai Yang, Wei Lu | 2019-07-16 |
| 10273338 | Ion exchange membranes prepared from crosslinked ion exchange polymer compositions | Kai Zhang, Russell James MacDonald, Yongchang Zheng, Li May GOH, Yan Gao +1 more | 2019-04-30 |
| 10221289 | Ion exchange membranes containing inorganic particles | Kai Zhang, Russell James MacDonald, Yongchang Zheng, Li May GOH, Yan Gao +1 more | 2019-03-05 |
| 9790109 | Method for sanitizing an electrodeionization device | Wojciech Gutowski | 2017-10-17 |
| 9731315 | Vacuum dip coating apparatus | Hai Yang, Chen Wang, Zhixun Liu | 2017-08-15 |
| 9700850 | Ion exchange membranes containing inorganic particles | Kai Zhang, Russell James MacDonald, Yongchang Zheng, Li May GOH, Yan Gao +1 more | 2017-07-11 |
| 9527757 | Supercapacitor desalination cells, devices and methods | Rihua Xiong, Wei Cai, Chengqian Zhang, Russell James MacDonald, Keith J. Sims | 2016-12-27 |
| 9382135 | Seawater desalination process | Neil Edwin Moe | 2016-07-05 |
| 9048464 | Vacuum chamber method to form polymer coatings on porous support | Hai Yang, Su Lu, Russell James MacDonald, Zhigang Deng, Xin Gao | 2015-06-02 |
| 8663445 | Electrochemical desalination system and method | Ran Niu, Hai Yang, Min Hu, Rihua Xiong, Wei Cai +2 more | 2014-03-04 |
| 8658241 | Simultaneous polymerization of two vinyl monomer mixtures to opposite faces of a flat porous substrate | Russell James MacDonald, Liping Zheng, Hai Yang | 2014-02-25 |
| 8524062 | Electrodeionization device and method with improved scaling resistance | Oleg Grebenyuk, Vladimir Grebenyuk, Li Zhang, Keith J. Sims | 2013-09-03 |
| 8496797 | Electrical deionization apparatus | — | 2013-07-30 |
| 8470896 | Acid block anion membrane | Yongchang Zheng | 2013-06-25 |
| 8241478 | Arrangement of ion exchange material within an electrodeionization apparatus | David Florian Tessier | 2012-08-14 |
| 8168055 | Arrangement of ion exchange material within an electrodeionization apparatus | David Florian Tessier | 2012-05-01 |
| 8066860 | Arrangement of ion exchange material within an electrodeionization apparatus | David Florian Tessier | 2011-11-29 |