Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10018038 | Drilling type sidewall coring apparatus | Yongren Feng, Zhibin Tian, Liping Liu, Guiqing Hao, Wenquan Zhang +4 more | 2018-07-10 |
| 9988899 | Rock formation testing method and formation testing instrument | Yongren Feng, Minggao Zhou, Yanmin ZHOU, Qiang Yu | 2018-06-05 |