Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
SG

Shusheng Guo

CL China Oilfield Services Limited: 1 patents #8 of 27Top 30%
Overall (2025): #219,763 of 469,880Top 50%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12359519 Coring and sampling integrated sub and downhole instrument Yongren Feng, Tao-Cheng Lu, Lin Huang, Xiaodong Chu, Kun Xu +8 more 2025-07-15