Liyun Yang

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Wuhan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Reasonable millisecond time control method for excavation blasting...
- Patent number 11,920,472
- Issue date Mar 5, 2024
- CHINA RAILWAY ELEVENTH BUREAU GROUP CO., LTD
- Jun Gao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety early warning method and device for full-section tunneling o...
- Patent number 11,634,987
- Issue date Apr 25, 2023
- Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Hongming Luo
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
REASONABLE MILLISECOND TIME CONTROL METHOD FOR EXCAVATION BLASTING...
- Publication number 20240035381
- Publication date Feb 1, 2024
- China Railway Eleventh Bureau Group Co., Ltd
- Jun Gao
- E21 - EARTH DRILLING MINING
Information Patent Application
SAFETY EARLY WARNING METHOD AND DEVICE FOR FULL-SECTION TUNNELING O...
- Publication number 20220112806
- Publication date Apr 14, 2022
- Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Hongming LUO
- E21 - EARTH DRILLING MINING