Zhongya Wu

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Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method of recovering room-and-pillar coal pillar by using external...
- Patent number 11,021,954
- Issue date Jun 1, 2021
- China University of Mining and Technology
- Nan Zhou
- E21 - EARTH DRILLING MINING
Information Patent Grant
Base mechanism of single prop capable of being unloaded at reduced...
- Patent number 10,895,154
- Issue date Jan 19, 2021
- China University of Mining and Technology
- Qiang Zhang
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
MINE EXPLOITATION BASED ON STOPING, SEPARATION AND FILLING CONTROL
- Publication number 20200408094
- Publication date Dec 31, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Jixiong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF RECOVERING ROOM-AND-PILLAR COAL PILLAR BY USING EXTERNAL...
- Publication number 20200318480
- Publication date Oct 8, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nan ZHOU
- E21 - EARTH DRILLING MINING
Information Patent Application
BASE MECHANISM OF SINGLE PROP CAPABLE OF BEING UNLOADED AT REDUCED...
- Publication number 20200300088
- Publication date Sep 24, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Qiang ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR DETERMINING INTERNAL STRESS OF SOLID-CUT-AND-FILL MATERIAL
- Publication number 20200241169
- Publication date Jul 30, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Meng Li
- G06 - COMPUTING CALCULATING COUNTING