Inventor
CHENG ZHIHENG
CN5 patents
⚠️ This page may combine multiple inventors who share the name “CHENG ZHIHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTH CHINA INST SCIENCE & TECH
4 patentsUS11747246B2Sep 5, 2023
Coal rock three-dimensional strain field visual system and method under complex geological structure
NORTH CHINA INST SCIENCE & TECH2 citations62
US10865641B1Dec 15, 2020
Asymmetric coordinated support device for gob side entry based on combination of flexibility and rigidity
NORTH CHINA INST SCIENCE & TECH6 citations62
US12366677B2Jul 22, 2025
Coal rock three-dimensional strain field visual system and method under mining influence
NORTH CHINA INST SCIENCE & TECH0 citations44
US11242749B2Feb 8, 2022
Control structure for rib spalling of coal wall with large mining height based on flexible reinforcement and construction equipment therefor
NORTH CHINA INST SCIENCE & TECH0 citations41