Junwu XIA

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Xuzhou, Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Discrete element method for modelling a fracture evolution of a roa...
- Patent number 11,209,415
- Issue date Dec 28, 2021
- China University of Mining and Technology
- Xiangyu Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Prefabricated stairs modular assembly mold and assembling method th...
- Patent number 11,034,054
- Issue date Jun 15, 2021
- China University of Mining and Technology
- Hong Chang
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Blind bolt fastening device
- Patent number 10,941,803
- Issue date Mar 9, 2021
- China University of Mining and Technology
- Hongfei Chang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for protecting roof tray when gob-side entry retaining en...
- Patent number 10,822,949
- Issue date Nov 3, 2020
- China University of Mining and Technology
- Jianbiao Bai
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DISCRETE ELEMENT METHOD FOR MODELLING A FRACTURE EVOLUTION OF A ROA...
- Publication number 20210263003
- Publication date Aug 26, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Xiangyu WANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PREFABRICATED STAIRS MODULAR ASSEMBLY MOLD AND ASSEMBLING METHOD TH...
- Publication number 20210017775
- Publication date Jan 21, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Hong CHANG
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
BLIND BOLT FASTENING DEVICE
- Publication number 20200003247
- Publication date Jan 2, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Hongfei CHANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...