XP

Xiaohan Pei

PL Petrochina Company Limited: 3 patents #75 of 890Top 9%
Overall (All Time): #1,426,088 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10890052 Downhole power generation device and separate-zone waterflooding device Qinghai Yang, Dongbai Shan, Tao Li, Eryang Ming, Ming Li 2021-01-12
9874089 Bridge type concentric direct reading testing and commissioning instrument He Liu, Fuchao Sun, Lichen Zheng, Qinghai Yang, Yang Gao 2018-01-23
9828831 Bridge type concentric continuously adjustable water distributor He Liu, Fuchao Sun, Lichen Zheng, Qinghai Yang, Yang Gao 2017-11-28