CL

Chengquan Li

CP China National Petroleum: 1 patents #32 of 93Top 35%
CL Cnpc Engineering Technology R&D Company Limited: 1 patents #18 of 40Top 45%
📍 Chengdu, CA: #24 of 75 inventorsTop 35%
Overall (2025): #135,093 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12391861 Cement slurry system, preparation method therefor and use thereof Jianzhou Jin, Yuchao Guo, Hong Yue, Youcheng Zheng, Hua Zhang +20 more 2025-08-19
D1077888 Dash camera 2025-06-03