Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10236667 | Wire follow-up protection structure of electric reducer | Yongren Feng, Tiemin Liu, Zhibin Tian, Liping Liu, Xiaodong Chu +2 more | 2019-03-19 |
| 10208736 | High-pressure fluid mixing pump control system and fluid suction control method | Yongren Feng, Minggao Zhou, Zhijie Yu, Zhongtian Hao | 2019-02-19 |
| 10180064 | System for sampling from formation while drilling | Yongren Feng, Zhongli Bao, Qiang Yu, Wanguang Song, Zichao Ii +1 more | 2019-01-15 |
| 10018038 | Drilling type sidewall coring apparatus | Yongren Feng, Zhibin Tian, Tao-Cheng Lu, Liping Liu, Wenquan Zhang +4 more | 2018-07-10 |