Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10603168 | Valve clamp | Daxin ZHOU, Junbo Ge, Leilei Cheng | 2020-03-31 |
| 9975085 | Container-type biogas purification film method purification system | Changqing Zhou, Xinghua Yang, Hongyan Li, Dawei Wang, Wenjin Li | 2018-05-22 |
| 8846381 | Biogas desulfurization device | — | 2014-09-30 |
| 8512574 | Grit removing device, grit removing system and a method for the same | — | 2013-08-20 |