FL

Feng Li

CC China Railway Tunnel Group Co.: 1 patents #1 of 26Top 4%
📍 San Diego, CA: #973 of 4,447 inventorsTop 25%
🗺 California: #12,984 of 65,961 inventorsTop 20%
Overall (2022): #160,704 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11385359 Point cloud data acquisition method and device under situation of no GNSS signal Hanxin Chen, Zejun Xiang, Chuan Long, Jing Ming, Yonggang Gou +5 more 2022-07-12
11371348 Pipeline annular self-traveling guide apparatus and method Yanwei Zhang, Xinpeng Hu, Li HUANG, Guohong Ren, Dabing Che +7 more 2022-06-28