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Beijing, CN
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Patents Grants
last 30 patents
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Patent Grant
Tension meter for anchor rod with constant resistance and large def...
Patent number
9,488,049
Issue date
Nov 8, 2016
CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
Manchao He
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Mining Method Without Coal Pillars With Roof-Cutting And Roadway Re...
Publication number
20230258083
Publication date
Aug 17, 2023
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Jiong Wang
E21 - EARTH DRILLING MINING
Information
Patent Application
Three-Dimensional Ventilation Method And System For Mining By 110 C...
Publication number
20230175398
Publication date
Jun 8, 2023
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Jiong Wang
E21 - EARTH DRILLING MINING
Information
Patent Application
SURROUNDING ROCK STABILITY CONTROL METHOD ADAPTED FOR COAL MINING A...
Publication number
20230063143
Publication date
Mar 2, 2023
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Jiong WANG
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD OF NO-PILLAR MINING WITH GOB-ENTRY RETAINING ADAPTED FOR FUL...
Publication number
20220275726
Publication date
Sep 1, 2022
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Jiong WANG
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND ELECTRONIC DEVICE FOR ADJUSTING DISPLAY INTERFACE
Publication number
20170192652
Publication date
Jul 6, 2017
LE HOLDINGS (BEIJING) CO., LTD.
Jiong Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TENSION METER FOR ANCHOR ROD WITH CONSTANT RESISTANCE AND LARGE DEF...
Publication number
20140318263
Publication date
Oct 30, 2014
CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
Manchao He
G01 - MEASURING TESTING