WW

WenJuan Wu

CC China Railway Tunnel Group Co.: 1 patents #6 of 55Top 15%
Overall (All Time): #1,798,524 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D978312 Sterilizable air purifier KaiQin Xu, GuoHong Ruan, XiaoYun Lin, XinYi Hu, Qin Zheng +1 more 2023-02-14
11371348 Pipeline annular self-traveling guide apparatus and method Yanwei Zhang, Xinpeng Hu, Feng Li, Li HUANG, Guohong Ren +7 more 2022-06-28