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Shijiazhuang City, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method for identifying vibration magnitude of tunnel boring machine...
Patent number
12,163,826
Issue date
Dec 10, 2024
SHIJIAZHUANG TIEDAO UNIVERSITY
Lijie Du
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for real-time strength estimation, grading, and early warnin...
Patent number
11,808,152
Issue date
Nov 7, 2023
SHIJIAZHUANG TIEDAO UNIVERSITY
Lijie Du
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
TBM ADAPTIVE SURROUNDING ROCK CLASSIFICATION METHOD ORIENTED TO ADV...
Publication number
20240018865
Publication date
Jan 18, 2024
SHIJIAZHUANG TIEDAO UNIVERSITY
Lijie Du
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR REAL-TIME STRENGTH ESTIMATION, GRADING, AND EARLY WARNIN...
Publication number
20230258087
Publication date
Aug 17, 2023
Shijiazhuang Tiedao University
Lijie DU
E21 - EARTH DRILLING MINING