Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11014835 | Method of measuring concentration of dissolved organic nitrogen in sewage | Hongqiang Ren, Haidong Hu, Lili DING, Hui Huang | 2021-05-25 |
| 10967308 | Modular backwash assembly and method for using the same | Hui Huang, Hongqiang Ren, Xuxiang ZHANG, Qing Wang | 2021-04-06 |