Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257551 | Multi-stage bipolar electrodialysis system for high concentration acid or base production | Chengqian Zhang, Wei Lu, Yongchang Zheng, Bruce Batchelder, John H. Barber | 2025-03-25 |
| 10639563 | Apparatus and method for gravity separation and contained oil and natural gas production systems and methods | Rihua Xiong, Chenqian Zhang, Ying Zhou, Ming Lei | 2020-05-05 |
| 10221670 | Treatment of produced water with seeded evaporator | — | 2019-03-05 |
| 10132145 | Produced water treatment and solids precipitation from thermal treatment blowdown | Wenqing Peng, Hai Yang, Chunjie Liu, Chang Wei, Wei Cai +1 more | 2018-11-20 |
| 10131561 | Treatment of produced water concentrate | Hai Yang, Wenqing Peng, Yiwen Sun, Chunjie Liu | 2018-11-20 |
| 9828270 | Systems and processes for treatment of solutions | Rihua Xiong, Wei Cai, Wenqing Peng, Zijun Xia, Yiwen Sun | 2017-11-28 |
| 9434630 | Water treatment device and method | Zijun Xia, Wei Cai, Rihua Xiong, Chengqian Zhang, Andrew Jon Zaske | 2016-09-06 |
| 8257040 | System and method for wind condition estimation | Weiguo Chen, Lei Zhao | 2012-09-04 |
| 8038867 | Electrodialysis device and process | Yu Du, Yunfeng Liu, Saijun Mao, Xiaoming Yuan, Chao Yang +5 more | 2011-10-18 |