Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D905829 | Drain valve | — | 2020-12-22 |
| 10851647 | Downhole vibration and impact data recording method | Zhongxing Wang, Yongyou Yang, Qingyun Di, Zili Wang, Wenxuan Chen +2 more | 2020-12-01 |
| 10746894 | Magnetotelluric measurement system | Zhongxing Wang, Qingyun Di, Fei Tian, Yongyou Yang, Wenxiu Zhang +1 more | 2020-08-18 |