Feng Wenbin

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Fushun City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods of infrared detection of coal mine polar gas
- Patent number 9,927,353
- Issue date Mar 27, 2018
- CCTEG (China Coal Technology and Engineering Group Corp)
- Liang Yuntao
- G01 - MEASURING TESTING
Information Patent Grant
Systems and methods of infrared detection of coal mine polar gas
- Patent number 9,702,814
- Issue date Jul 11, 2017
- CCTEG (China Coal Technology and Engineering Group Corp)
- Liang Yuntao
- G01 - MEASURING TESTING
Information Patent Grant
Systems and methods of infrared detection of coal mine polar gas
- Patent number 9,588,040
- Issue date Mar 7, 2017
- CCTEG (China Coal Technology and Engineering Group Corp)
- Liang Yuntao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
AIR QUANTITY ANALYZER IN UNDERGROUND COAL MINES AND ITS ANALYSIS ME...
- Publication number 20240230452
- Publication date Jul 11, 2024
- CCTEG Shenyang Research Institute
- Yong Sun
- G08 - SIGNALLING
Information Patent Application
AIR QUANTITY ANALYZER IN UNDERGROUND COAL MINES AND ITS ANALYSIS ME...
- Publication number 20240133765
- Publication date Apr 25, 2024
- CCTEG Shenyang Research Institute
- Yong Sun
- G08 - SIGNALLING
Information Patent Application
SYSTEMS AND METHODS OF INFRARED DETECTION OF COAL MINE POLAR GAS
- Publication number 20170108431
- Publication date Apr 20, 2017
- CCTEG (China Coal Technology and Engineering Group Corp)
- Liang Yuntao
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS AND METHODS OF INFRARED DETECTION OF COAL MINE POLAR GAS
- Publication number 20170108432
- Publication date Apr 20, 2017
- CCTEG (China Coal Technology and Engineering Group Corp)
- Liang Yuntao
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS AND METHODS OF INFRARED DETECTION OF COAL MINE POLAR GAS
- Publication number 20160033396
- Publication date Feb 4, 2016
- CCTEG (China Coal Technology and Engineering Group Corp)
- Liang Yuntao
- G01 - MEASURING TESTING