Inventor

JIN ZHIYUAN

CN2 patents

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

UNIV CHINA MINING & TECHNOLOGY

1 patent

US9689258B2Jun 27, 2017

Water-preserved-mining roof-contacted filling method for controlling fissure of overlying strata and surface subsidence

UNIV CHINA MINING & TECHNOLOGY2 citations66

UNIV CHINA MINING

1 patent

US10012080B2Jul 3, 2018

Skip-mining type wangeviry stope branch roadway filling and coal mining method

UNIV CHINA MINING1 citations41