Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12054901 | Unpowered-filtering sewage cleaning device | Peng Li, Jinshan Li, Hao Li, Yang Liu, Yayang Feng | 2024-08-06 |
| 10232290 | Multistage complex water screen filter with automatic alarm in micro-irrigation and its composition method | Xiuqiao Huang, Hao Sun, Fuyi Duan, Junjie Feng, Hao Li | 2019-03-19 |