QL

Qinglong Liu

CC China Petroleum & Chemical: 1 patents #47 of 287Top 20%
📍 Shandong, CN: #38 of 173 inventorsTop 25%
Overall (2017): #276,120 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9598937 Rotating magnetic field downhole power generation device Wei-Yu Chen, Laiju Han, Zuohui Li, Feng Sun, Yifeng Wang +2 more 2017-03-21