Hongsheng Li

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Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Roadway/tunnel excavation robot and automatic cutting control method
- Patent number 12,091,977
- Issue date Sep 17, 2024
- China University of Mining and Technology
- Hongxiang Jiang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling and bursting heading machine
- Patent number 10,233,755
- Issue date Mar 19, 2019
- China University of Mining and Technology
- Songyong Liu
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ROADWAY/TUNNEL EXCAVATION ROBOT AND AUTOMATIC CUTTING CONTROL METHOD
- Publication number 20240141784
- Publication date May 2, 2024
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Hongxiang JIANG
- E21 - EARTH DRILLING MINING
Information Patent Application
HYDRAULIC ACCUMULATOR-BASED CONTROLLABLE PRESSURE INJECTION DEVICE...
- Publication number 20200355031
- Publication date Nov 12, 2020
- China University of Mining and Technology
- Songyong LIU
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling and Bursting Heading Machine
- Publication number 20180195388
- Publication date Jul 12, 2018
- Songyong Liu
- E21 - EARTH DRILLING MINING