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XUZHOU, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method for radially mining open-pit end slope pressed coal
Patent number
11,377,952
Issue date
Jul 5, 2022
China University of Mining and Technology
Nan Zhou
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for recovering room-type coal pillars by cemented filling of...
Patent number
11,339,658
Issue date
May 24, 2022
China University of Mining and Technology
Nan Zhou
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for pre-loading mechanical constant-resistance...
Patent number
10,385,692
Issue date
Aug 20, 2019
China University of Mining and Technology
Jixiong Zhang
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Method for designing supporting parameters of transition support fo...
Patent number
10,301,939
Issue date
May 28, 2019
China University of Mining and Technology
Jixiong Zhang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Mechanical rocker arm-type vertical feeding cushioning device
Patent number
9,938,083
Issue date
Apr 10, 2018
China University of Mining and Technology
Jixiong Zhang
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR RECOVERING ROOM-TYPE COAL PILLARS BY CEMENTED FILLING OF...
Publication number
20210355826
Publication date
Nov 18, 2021
CHINA UNIVERSITY OF MINING AND TECHNOLOGY
Nan Zhou
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR RADIALLY MINING OPEN-PIT END SLOPE PRESSED COAL
Publication number
20210254465
Publication date
Aug 19, 2021
CHINA UNIVERSITY OF MINING AND TECHNOLOGY
Nan ZHOU
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTILEVEL DEEP WELL COOLING AND GEOTHERMAL UTILIZATION SYSTEM AND...
Publication number
20210172319
Publication date
Jun 10, 2021
CHINA UNIVERSITY OF MINING AND TECHNOLOGY
Jixiong ZHANG
F24 - HEATING RANGES VENTILATING
Information
Patent Application
APPARATUS AND METHOD FOR PRE-LOADING MECHANICAL CONSTANT-RESISTANCE...
Publication number
20190085690
Publication date
Mar 21, 2019
CHINA UNIVERSITY OF MINING AND TECHNOLOGY
Jixiong ZHANG
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR DESIGNING SUPPORTING PARAMETERS OF TRANSITION SUPPORT FO...
Publication number
20180314770
Publication date
Nov 1, 2018
CHINA UNIVERSITY OF MINING AND TECHNOLOGY
Jixiong ZHANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MECHANICAL ROCKER ARM-TYPE VERTICAL FEEDING CUSHIONING DEVICE
Publication number
20170283174
Publication date
Oct 5, 2017
CHINA UNIVERSITY OF MINING AND TECHNOLOGY
HAO YAN
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL