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last 30 patents
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Patent Application
DIGITAL SPEED REGULATING VALVE FOR ALIGNING HYDRAULIC SUPPORTS IN F...
Publication number
20240401480
Publication date
Dec 5, 2024
Taiyuan University of Technology
Ziming KOU
E21 - EARTH DRILLING MINING
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Patent Application
DETECTION DEVICE AND METHOD FOR WORKING SURFACE, TERMINAL, AND STOR...
Publication number
20240117740
Publication date
Apr 11, 2024
TAIYUAN UNIVERSITY OF TECHNOLOGY
Ziming KOU
E21 - EARTH DRILLING MINING