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Beijing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Direction-finding and positioning system of electromagnetic emissio...
Patent number
11,567,230
Issue date
Jan 31, 2023
University of Science and Technology Beijing
Dazhao Song
G01 - MEASURING TESTING
Information
Patent Grant
Method of locating coal-rock main fracture by electromagnetic radia...
Patent number
11,397,236
Issue date
Jul 26, 2022
University of Science and Technology Beijing
Dazhao Song
G01 - MEASURING TESTING
Information
Patent Grant
Multi-system, multi-parameter, integrated, comprehensive early warn...
Patent number
11,043,101
Issue date
Jun 22, 2021
University of Science and Technology Beijing
Xueqiu He
G01 - MEASURING TESTING
Information
Patent Grant
Monitoring and forewarning method for coal-rock dynamic disasters b...
Patent number
10,884,154
Issue date
Jan 5, 2021
University of Science and Technology Beijing
Zhenlei Li
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF LOCATING FAILURE IN COAL-ROCK-CONCRETE BASED ON VECTOR FE...
Publication number
20230417943
Publication date
Dec 28, 2023
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Dazhao SONG
G01 - MEASURING TESTING
Information
Patent Application
MULTI-SYSTEM, MULTI-PARAMETER, INTEGRATED, COMPREHENSIVE EARLY WARN...
Publication number
20210134135
Publication date
May 6, 2021
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Xueqiu He
G08 - SIGNALLING
Information
Patent Application
MONITORING AND FOREWARNING METHOD FOR COAL-ROCK DYNAMIC DISASTERS B...
Publication number
20200033496
Publication date
Jan 30, 2020
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Zhenlei LI
G01 - MEASURING TESTING
Information
Patent Application
METHOD OF LOCATING COAL-ROCK MAIN FRACTURE BY ELECTROMAGNETIC RADIA...
Publication number
20190277942
Publication date
Sep 12, 2019
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Dazhao SONG
G01 - MEASURING TESTING