CQ

Changguang Qi

Overall (All Time): #1,783,266 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12116746 Construction method of fast-setting polymer grouting for rapid control of slope erosion and landslide Zhichao Zhang, Xuefeng Tang, Kan Liu, Longzhen Ye, Yunlin Yang +2 more 2024-10-15
11230817 Rainfall induction type two-component high-polymer grouting device and manufacturing method thereof Zhichao Zhang, Jinjing Pan, Kan Liu, Longzhen Ye, You Gao 2022-01-25