Guangyuan YU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Surrounding rock stability control method adapted for coal mining a...
- Patent number 12,221,887
- Issue date Feb 11, 2025
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Jiong Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Three-dimensional ventilation method and system for mining by 110 c...
- Patent number 12,168,932
- Issue date Dec 17, 2024
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Jiong Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining method without coal pillars with roof-cutting and roadway re...
- Patent number 12,168,931
- Issue date Dec 17, 2024
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Jiong Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of no-pillar mining with gob-entry retaining adapted for ful...
- Patent number 12,037,905
- Issue date Jul 16, 2024
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Jiong Wang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Mining Method Without Coal Pillars With Roof-Cutting And Roadway Re...
- Publication number 20230258083
- Publication date Aug 17, 2023
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Jiong Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
Three-Dimensional Ventilation Method And System For Mining By 110 C...
- Publication number 20230175398
- Publication date Jun 8, 2023
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Jiong Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
SURROUNDING ROCK STABILITY CONTROL METHOD ADAPTED FOR COAL MINING A...
- Publication number 20230063143
- Publication date Mar 2, 2023
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Jiong WANG
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF NO-PILLAR MINING WITH GOB-ENTRY RETAINING ADAPTED FOR FUL...
- Publication number 20220275726
- Publication date Sep 1, 2022
- CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
- Jiong WANG
- E21 - EARTH DRILLING MINING