Feng JU

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Xuzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Mine exploitation based on stoping, separation and filling control
- Patent number 11,143,025
- Issue date Oct 12, 2021
- China University of Mining and Technology
- Jixiong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for controlling subsidence area caused by underground mining...
- Patent number 11,085,296
- Issue date Aug 10, 2021
- China University of Mining and Technology
- Feng Ju
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mechanical constant-resistance single prop continuous prop lifting...
- Patent number 10,844,717
- Issue date Nov 24, 2020
- China University of Mining and Technology
- Yanlong Chen
- 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
Information Patent Grant
Inclined layered solid-filling mining method in ultrathick coal layer
- Patent number 9,494,037
- Issue date Nov 15, 2016
- China University of Mining and Technology
- Jixiong Zhang
- E21 - EARTH DRILLING MINING

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 FOR CONTROLLING SUBSIDENCE AREA CAUSED BY UNDERGROUND MINING...
- Publication number 20200300090
- Publication date Sep 24, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Feng Ju
- E21 - EARTH DRILLING MINING
Information Patent Application
MECHANICAL CONSTANT-RESISTANCE SINGLE PROP CONTINUOUS PROP LIFTING...
- Publication number 20200240269
- Publication date Jul 30, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Yanlong Chen
- E21 - EARTH DRILLING MINING
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
Information Patent Application
INCLINED LAYERED SOLID-FILLING MINING METHOD IN ULTRATHICK COAL LAYER
- Publication number 20160102553
- Publication date Apr 14, 2016
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Jixiong Zhang
- E21 - EARTH DRILLING MINING