XD

Xiaoqiang Du

CL China Oilfield Services Limited: 1 patents #10 of 21Top 50%
📍 Lo Wu, CN: #931 of 2,697 inventorsTop 35%
Overall (2023): #204,954 of 537,848Top 40%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11788405 Downhole oil level detection device Zhibin Tian, Zanqing Wei, Lin Huang, Yongren Feng, Bin Gao +4 more 2023-10-17