Huan LI

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Coal bump control method for sectional hydraulic fracturing regions...
- Patent number 11,976,557
- Issue date May 7, 2024
- University of Science and Technology Beijing
- Sitao Zhu
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
HANDLE CONNECTING STRUCTURE
- Publication number 20240384513
- Publication date Nov 21, 2024
- BEIJING KOHLER LTD.
- Huan LI
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
COAL BUMP CONTROL METHOD FOR SECTIONAL HYDRAULIC FRACTURING REGIONS...
- Publication number 20230160305
- Publication date May 25, 2023
- UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
- Sitao ZHU
- E21 - EARTH DRILLING MINING