Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201440 | Power supply device | Chen Chen, Shengren Wang | 2021-12-14 |
| 11191303 | Atomizer and electronic cigarette having same | Zhengfa Li, Zhongli Xu, Yonghai Li | 2021-12-07 |
| D935395 | Charger | Chen Chen, Shengren Wang | 2021-11-09 |
| 10889516 | Siphon type composite vertical subsurface flow constructed wetland | Cheng Jiang, Zhaohuan MAI, Jiujiu Wu | 2021-01-12 |