Inventor
HAN CHANGLIANG
CN4 patents
Patents
4 patentsUS10907474B2Feb 2, 2021
Reaming and self-rotating anchor rod and using method thereof
UNIV CHINA MINING0 citations46
US10767480B2Sep 8, 2020
Extensible reaming self-anchoring anchor rod and supporting method thereof
UNIV CHINA MINING0 citations37
US10487654B2Nov 26, 2019
Anchoring method utilizing self-drilling and self-anchoring extendable anchor rod applicable to soft and weak coal rocks
UNIV CHINA MINING0 citations37
US10280750B2May 7, 2019
Full-roadway full-process full-cross-section surface deformation monitoring device and method
UNIV CHINA MINING0 citations33