Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11287410 | Sampling pumps and gas analyzers | Weidong Zhou, Zhonghua Liu, Yunfeng Liu, Jian Cen, Heng Chen +3 more | 2022-03-29 |
| 10656132 | Sampling pumps and gas analyzers | Weidong Zhou, Zhonghua Liu, Yunfeng Liu, Jian Cen, Heng Chen +3 more | 2020-05-19 |
| 9506900 | Gas treatment device and medical equipment using the same | Xuegang Zhang, Zhonghua Liu, Meng Zhu, Weidong Zhou, Jian Cen +3 more | 2016-11-29 |
| 9377017 | Extended elasticity of pump membrane with conserved pump force | Johan Werner | 2016-06-28 |
| 9360004 | Progressive pump force regulation | Johan Werner | 2016-06-07 |