Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072981 | Sampling-by-pushing system and setting method thereof | Minggao Zhou, Yongren Feng, Yanmin ZHOU, Yongzeng Xue | 2021-07-27 |
| 11028658 | Horizontal-to-vertical drilling module for deep well | Yongren Feng, Jibin Zou, Tiemin Liu, Xiaodong Chu, Zhibin Tian +4 more | 2021-06-08 |