ZB

Zhongli Bao

CL China Oilfield Services Limited: 1 patents #10 of 21Top 50%
📍 Langfang, CN: #3 of 21 inventorsTop 15%
Overall (2023): #184,394 of 537,848Top 35%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11624244 Connecting structure for drill collar of logging while drilling instrument and drill collar sub male and female joints Yongren Feng, Qiang Yu, Xiaofei Qin, Lin-Chung Huang, Xingfang Wu +2 more 2023-04-11