QG

Quanmei Guan

CC Crrc Tangshan Co.: 1 patents #32 of 151Top 25%
📍 Tangshan City, CN: #14 of 143 inventorsTop 10%
Overall (All Time): #1,789,055 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12157505 Sidewall window structure module of train, and train Jianqiang DU, Baolei Xu, Zhaomei Wang, Shujuan Chen, Yuxi Yang +2 more 2024-12-03
9409580 Obstacle removing and energy absorbing device and leading car of motor train unit Letian Fan, Guoping Zhang, Jiangong WANG, Jijun Ma, Qinggang Zhang +1 more 2016-08-09