QC

Quanwei Che

CC Crrc Qingdao Sifang Co.: 3 patents #26 of 309Top 9%
📍 Shandong, CN: #404 of 2,138 inventorsTop 20%
Overall (All Time): #1,434,147 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11021176 Energy absorption device and rail vehicle having same Aiqin TIAN, Yonggui Zhang, Shizhong Zhao, Guidong TAO, Shuxiang CHEN +2 more 2021-06-01
10518789 Coupling assembly and rail vehicle having same Shizhong Zhao, Yonggui Zhang, Aiqin TIAN, Sansan Ding, Guidong TAO +1 more 2019-12-31
9889864 Railway vehicle and head vehicle barrier-removing device thereof Yangyang Yu, Guanglei Ma, Aiqin TIAN, Shizhong Zhao, Sansan Ding +1 more 2018-02-13