Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11714073 | Photoionization detector automated zero level calibration | Guangli Xie, Bo Chen, Zhanghua Wu | 2023-08-01 |
| 11480554 | Photoionization detector automated zero level calibration | Guangli Xie, Bo Chen, Zhanghua Wu | 2022-10-25 |
| 10969371 | Photoionization detector automated zero level calibration | Guangli Xie, Bo Chen, Zhanghua Wu | 2021-04-06 |
| 10782273 | Photoionization detector automated zero level calibration | Guangli Xie, Bo Chen, Zhanghua Wu | 2020-09-22 |