Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072551 | Water filtration system with recirculation to reduce total dissolved solids creep effect | Hai-Feng Zhang, David J. Averbeck | 2021-07-27 |
| 10835871 | Water purifier and water preparation method thereof | Shi SHUAI, Haifeng Zhang, Yaohua He | 2020-11-17 |