ZW

Zanqing Wei

CO China National Offshore Oil: 1 patents #4 of 16Top 25%
CL China Oilfield Services Limited: 1 patents #4 of 16Top 25%
Overall (2018): #175,058 of 503,207Top 35%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10018038 Drilling type sidewall coring apparatus Yongren Feng, Zhibin Tian, Tao-Cheng Lu, Liping Liu, Guiqing Hao +4 more 2018-07-10