XUZHOU BOAN SCIENCE & TECHNOLOGY DEVELOPMENT CO., LTD

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Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for extracting gas by fracturing coal seam through combinati...
- Patent number 11,131,172
- Issue date Sep 28, 2021
- China University of Mining and Technology
- Baiquan Lin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine drill, dust suction hood and dust removal device thereof
- Patent number 10,895,120
- Issue date Jan 19, 2021
- China University of Mining and Technology
- Wei Yang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Integrated hole sealing device for loosening blasting and water inj...
- Patent number 10,816,312
- Issue date Oct 27, 2020
- China University of Mining and Technology
- Wei Yang
- F42 - AMMUNITION BLASTING
Information Patent Grant
Multi-stage combustion impact wave coal mass cracking and heat inje...
- Patent number 10,808,514
- Issue date Oct 20, 2020
- China University of Mining and Technology
- Baiquan Lin
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR EXTRACTING GAS BY FRACTURING COAL SEAM THROUGH COMBINATI...
- Publication number 20210148205
- Publication date May 20, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Baiquan LIN
- E21 - EARTH DRILLING MINING
Information Patent Application
MINE DRILL, DUST SUCTION HOOD AND DUST REMOVAL DEVICE THEREOF
- Publication number 20200199954
- Publication date Jun 25, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Wei YANG
- E21 - EARTH DRILLING MINING
Information Patent Application
INTEGRATED HOLE SEALING DEVICE FOR LOOSENING BLASTING AND WATER INJ...
- Publication number 20200182597
- Publication date Jun 11, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Wei YANG
- F42 - AMMUNITION BLASTING
Information Patent Application
MULTI-STAGE COMBUSTION IMPACT WAVE COAL MASS CRACKING AND HEAT INJE...
- Publication number 20200182033
- Publication date Jun 11, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Baiquan LIN
- E21 - EARTH DRILLING MINING

Trademarklast 30 trademarks