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Patents Grants
last 30 patents
Information
Patent Grant
Method for quickly optimizing key mining parameters of outburst coa...
Patent number
12,135,926
Issue date
Nov 5, 2024
Chongqing University
Quanle Zou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Coal bump control method for sectional hydraulic fracturing regions...
Patent number
11,976,557
Issue date
May 7, 2024
University of Science and Technology Beijing
Sitao Zhu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Coal rock three-dimensional strain field visual system and method u...
Patent number
11,747,246
Issue date
Sep 5, 2023
NORTH CHINA INSTITUTE OF SCIENCE AND TECHNOLOGY
Zhiheng Cheng
G01 - MEASURING TESTING
Information
Patent Grant
Rescue robot and method for searching trapped persons for firefighting
Patent number
11,623,111
Issue date
Apr 11, 2023
North China Institute of Science and Technology
Xingzhi Hu
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Control structure for rib spalling of coal wall with large mining h...
Patent number
11,242,749
Issue date
Feb 8, 2022
North China Institute of Science and Technology
Zhiheng Cheng
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
COAL BUMP CONTROL METHOD FOR SECTIONAL HYDRAULIC FRACTURING REGIONS...
Publication number
20230160305
Publication date
May 25, 2023
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Sitao ZHU
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR MONITORING HYDRAULIC FRACTURING RANGE OF SURFACE VERTICA...
Publication number
20230140874
Publication date
May 11, 2023
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Sitao Zhu
E21 - EARTH DRILLING MINING
Information
Patent Application
RESCUE ROBOT AND METHOD FOR SEARCHING TRAPPED PERSONS FOR FIREFIGHTING
Publication number
20220143441
Publication date
May 12, 2022
North China Institute of Science and Technology
Xingzhi HU
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Method for Quickly Optimizing Key Mining Parameters of Outburst Coa...
Publication number
20210390230
Publication date
Dec 16, 2021
CHONGQING UNIVERSITY
Quanle Zou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Coal Rock Three-dimensional Strain Field Visual System and Method u...
Publication number
20210389219
Publication date
Dec 16, 2021
North China Institute Of Science And Technology
Zhiheng Cheng
G01 - MEASURING TESTING
Information
Patent Application
Method for Rapidly Acquiring Multi-Field Response of Mining-induced...
Publication number
20210390231
Publication date
Dec 16, 2021
North China Institute Of Science And Technology
Zhiheng Cheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Coal Rock Three-dimensional Strain Field Visual System and Method u...
Publication number
20210389500
Publication date
Dec 16, 2021
North China Institute Of Science And Technology
Liang Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CONTROL STRUCTURE FOR RIB SPALLING OF COAL WALL WITH LARGE MINING H...
Publication number
20210071524
Publication date
Mar 11, 2021
North China Institute of Science and Technology
Zhiheng CHENG
E21 - EARTH DRILLING MINING
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