Inventor

HE MANCHAO

CN28 patents

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

HE MANCHAO

HE MANCHAO

System and method for testing gas migration process in coal-rock mass

Simulated impact-type rock burst experiment apparatus

Processing method of NPR steel rebar rod

Longwall mine construction method N00

Experimental method for simulating impact rock-burst

Dynamics performance testing system

Equipment system for no-roadway no-coal-pillar retained roadway mining method

NPR non-magnetic steel material for rock bolt and production method thereof

NPR steel material for rock bolt and production method thereof

Processing method of NPR steel rebar coil

Tension meter for anchor rod with constant resistance and large deformation

Fractured roof 110 mining method entry-side anti-collapsed structure

Constant-resistance large-deformation anchor rod

Large deformation tensile testing system

Constant-resistance and large deformation anchor cable and constant-resistance device

UNIV CHINA MINING

Method and apparatus for classifying water-rich weak surrounding rock based on in-situ scribing

Three-dimensional ventilation method and system for mining by 110 construction method in coal and gas outburst mines

Excavation compensation method for tunnelling in deep rock engineering

Tertiary cooperative compression yielding and energy-absorbing support mechanism

Method of no-pillar mining with gob-entry retaining adapted for fully-mechanized top coal caving in thick coal seam

INST GEOLOGY & GEOPHYSICS CAS

Experimental system and method for simulating effect of fault stick-slip displacement on tunnel engineering

Experimental system for simulating creep and stick-slip dislocations of fault in tunnel structure

Adjustable device for railway to cross active faults

Tunnel protection structure suitable for active fault areas and high ground stress areas

BEIJING ZHONGKUANG INNOVATION ALLIANCE ENERGY ENV SCIENCE ACADEMY

Underground longwall mining method

Method for coal mining without reserving coal pillar and tunneling roadway in whole mining area

CHINA UNIV OF MINING AND TECHNOLOGY—BEIJING

Rock burst active prevention and control mechanism

UNIV CHINA MINING & TECHNOLOGY BEIJING

Mine vertical shaftlifting apparatus, mine vertical shaft lifting system and control method therefor