Xiexing MIAO

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Xuzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Inclined shaft continuous feeding system for solid filling materials
- Patent number 11,192,724
- Issue date Dec 7, 2021
- Xiexing Miao
- B61 - RAILWAYS
Information Patent Grant
Method for mining ultra-thick coal seam by utilizing goaf solid bac...
- Patent number 10,876,403
- Issue date Dec 29, 2020
- Xiexing Miao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for removing hydraulic support for solid filling coal mining
- Patent number 10,036,252
- Issue date Jul 31, 2018
- China University of Mining and Technology
- Feng Ju
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MINING ULTRA-THICK COAL SEAM BY UTILIZING GOAF SOLID BAC...
- Publication number 20200040727
- Publication date Feb 6, 2020
- Xiexing MIAO
- E21 - EARTH DRILLING MINING
Information Patent Application
Inclined Shaft Continuous Feeding System for Solid Filling Materials
- Publication number 20200040729
- Publication date Feb 6, 2020
- Xiexing MIAO
- B61 - RAILWAYS
Information Patent Application
METHOD FOR REMOVING HYDRAULIC SUPPORT FOR SOLID FILLING COAL MINING
- Publication number 20170138194
- Publication date May 18, 2017
- Feng JU
- E21 - EARTH DRILLING MINING