Menghan WEI

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Direction-finding and positioning system of electromagnetic emissio...
- Patent number 11,567,230
- Issue date Jan 31, 2023
- University of Science and Technology Beijing
- Dazhao Song
- G01 - MEASURING TESTING
Information Patent Grant
Method of locating coal-rock main fracture by electromagnetic radia...
- Patent number 11,397,236
- Issue date Jul 26, 2022
- University of Science and Technology Beijing
- Dazhao Song
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF LOCATING FAILURE IN COAL-ROCK-CONCRETE BASED ON VECTOR FE...
- Publication number 20230417943
- Publication date Dec 28, 2023
- UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
- Dazhao SONG
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF LOCATING COAL-ROCK MAIN FRACTURE BY ELECTROMAGNETIC RADIA...
- Publication number 20190277942
- Publication date Sep 12, 2019
- UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
- Dazhao SONG
- G01 - MEASURING TESTING