Inventor

QI CHANGGUANG

CN2 patents

⚠️ This page may combine multiple inventors who share the name “QI CHANGGUANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV NINGBO

1 patent

US11230817B2Jan 25, 2022

Rainfall induction type two-component high-polymer grouting device and manufacturing method thereof

UNIV NINGBO0 citations53

FUJIAN GEOLOGICAL ENGINEERING SURVEY INST

1 patent

US12116746B2Oct 15, 2024

Construction method of fast-setting polymer grouting for rapid control of slope erosion and landslide

FUJIAN GEOLOGICAL ENGINEERING SURVEY INST0 citations34