Qun WEI

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Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for controllably unfolding flexible mesh for continuous m...
- Patent number 11,384,638
- Issue date Jul 12, 2022
- China University of Mining and Technology
- Nong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Single-anchor centrally grouted full-length anchored steel wire bun...
- Patent number 11,280,195
- Issue date Mar 22, 2022
- China University of Mining and Technology
- Nong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Steel belt conveying apparatus for transporting and bolting machine...
- Patent number 11,078,021
- Issue date Aug 3, 2021
- China University of Mining and Technology
- Nong Zhang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
A Single-Anchor Centrally Grouted Full-Length Anchored Steel Wire B...
- Publication number 20210340872
- Publication date Nov 4, 2021
- China University of Mining and Technology
- Nong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
ZERO-GANGUE-DISCHARGE SHORT-WALL FACE PILLAR-FREE MINING METHOD
- Publication number 20210310356
- Publication date Oct 7, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
CONSTRUCTION METHOD FOR CONTINUOUS MINING MACHINE HAVING DEVICE CON...
- Publication number 20210270134
- Publication date Sep 2, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
APPARATUS FOR CONTROLLABLY UNFOLDING FLEXIBLE MESH FOR CONTINUOUS M...
- Publication number 20210222553
- Publication date Jul 22, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
STEEL BELT CONVEYING APPARATUS FOR TRANSPORTING AND BOLTING MACHINE...
- Publication number 20210198046
- Publication date Jul 1, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong ZHANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL