Jianchun OU

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Xuzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Measurement-while-drilling method and device for obtaining coal sea...
- Patent number 11,268,377
- Issue date Mar 8, 2022
- China University of Mining and Technology
- Enyuan Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Inversion calculation method of coal-bed gas parameters of fast tes...
- Patent number 11,174,722
- Issue date Nov 16, 2021
- China University of Mining and Technology
- Enyuan Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Measurement-while-drilling method and device for assessing outburst...
- Patent number 10,947,842
- Issue date Mar 16, 2021
- China University of Mining and Technology
- Enyuan Wang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
INVERSION CALCULATION METHOD OF COAL-BED GAS PARAMETERS OF FAST TES...
- Publication number 20210262341
- Publication date Aug 26, 2021
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Enyuan WANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MEASUREMENT-WHILE-DRILLING METHOD AND DEVICE FOR ASSESSING OUTBURST...
- Publication number 20200200004
- Publication date Jun 25, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Enyuan WANG
- G01 - MEASURING TESTING
Information Patent Application
MEASUREMENT-WHILE-DRILLING METHOD AND DEVICE FOR OBTAINING COAL SEA...
- Publication number 20200116016
- Publication date Apr 16, 2020
- China University of Mining and Technology
- Enyuan WANG
- E21 - EARTH DRILLING MINING