QS

Qiuhan Su

CC China Petroleum & Chemical: 1 patents #47 of 287Top 20%
📍 Dongying, CN: #2 of 14 inventorsTop 15%
Overall (2017): #275,980 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9732570 Apparatus for tripping oil pipe and system for automatic well workover Minxuan Wang, Guangqi Gao, Lei Zhang, Huihui Song, Zeng Fu +6 more 2017-08-15