Yong JIAN

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Qingdao City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Filling mining method for fully-mechanized top coal caving working...
- Patent number 11,047,236
- Issue date Jun 29, 2021
- Shandong University of Science and Technology
- Shaojie Chen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roadway forming method by expanding excavating and filling gangue p...
- Patent number 10,787,906
- Issue date Sep 29, 2020
- Shandong University of Science and Technology
- Zhongping Guo
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
FILLING MINING METHOD FOR FULLY-MECHANIZED TOP COAL CAVING WORKING...
- Publication number 20210040850
- Publication date Feb 11, 2021
- Shandong University of Science and Technology
- Shaojie CHEN
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF FORMING A ROADWAY BY FILLING GANGUE PASTE DURING WIDE-ROA...
- Publication number 20200040728
- Publication date Feb 6, 2020
- Shandong University of Science and Technology
- Zhongping GUO
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF MINING SINGLE STEEPLY-INCLINED THICK COAL SEAM
- Publication number 20200024944
- Publication date Jan 23, 2020
- Shandong University of Science and Technology
- Zhongping GUO
- E21 - EARTH DRILLING MINING