Inventor
BAO HAN
CN7 patents
⚠️ This page may combine multiple inventors who share the name “BAO HAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV CHINA MINING
3 patentsUS11781429B1Oct 10, 2023
Method for blocking mine water inrush
UNIV CHINA MINING14 citations82
US12055040B1Aug 6, 2024
Directional drilling device and drilling method of aquifer remediation of coal seam roof
UNIV CHINA MINING1 citations61
US12091971B2Sep 17, 2024
Tracer diffusion device, system for tracing development of water conducting fracture zone and relataed method
UNIV CHINA MINING0 citations48