Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11714073 | Photoionization detector automated zero level calibration | Bo Chen, Zhanghua Wu, Yaofu Gong | 2023-08-01 |
| 11604163 | Device for improving gas detection in photoionization detector | Chang Liu, Zhiguo Wang, Bo Chen, Yang Zhang | 2023-03-14 |