CL

Chao LU

CC China Petroleum & Chemical: 1 patents #89 of 397Top 25%
📍 Shandong, CN: #177 of 611 inventorsTop 30%
Overall (2025): #424,700 of 469,880Top 95%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12252986 Steerable drilling device Qingming Ma, Jieran Zhu, Ningning YANG, Guangquan Li, Yufeng Li +3 more 2025-03-18