Inventor
PI JIN
CN4 patents
⚠️ This page may combine multiple inventors who share the name “PI JIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHINA INST WATER RESOURCES & HYDROPOWER RES
3 patentsUS11499427B2Nov 15, 2022
Tunnel adaptive lining structure in complex environment and construction method thereof
CHINA INST WATER RESOURCES & HYDROPOWER RES2 citations67
US11236612B2Feb 1, 2022
Advanced monitoring device for whole-process deformation curve of surrounding rock of tunnel excavation and implementation method thereof
CHINA INST WATER RESOURCES & HYDROPOWER RES2 citations66
US11585218B2Feb 21, 2023
Drilling device for surveying front rock-mass intactness of tunnel face for tunnel constructed by TBM and method using the same
CHINA INST WATER RESOURCES & HYDROPOWER RES0 citations45