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Patents Grants
last 30 patents
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Patent Grant
Synchronous single-liquid grouting slurry, its technology and appli...
Patent number
12,187,646
Issue date
Jan 7, 2025
OCEAN UNIVERSITY OF CHINA
Fei Sha
E21 - EARTH DRILLING MINING
Information
Patent Grant
Long-term in-situ observing device and method for deep sea bottom-...
Patent number
11,499,826
Issue date
Nov 15, 2022
OCEAN UNIVERSITY OF CHINA
Yonggang Jia
G01 - MEASURING TESTING
Information
Patent Grant
Device for observing abyssal flow change based on differential pres...
Patent number
10,302,471
Issue date
May 28, 2019
Ocean University of China
Tao Liu
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
SYNCHRONOUS SINGLE-LIQUID GROUTING SLURRY, ITS TECHNOLOGY AND APPLI...
Publication number
20230212074
Publication date
Jul 6, 2023
Ocean University of China
Fei Sha
E21 - EARTH DRILLING MINING
Information
Patent Application
DOUBLE-LIQUID GROUTING SLURRY, ITS TECHNOLOGY AND APPLICATION FOR S...
Publication number
20230212076
Publication date
Jul 6, 2023
Ocean University of China
Fei Sha
E21 - EARTH DRILLING MINING
Information
Patent Application
Long-term in-situ observing device and method for deep sea bottom-s...
Publication number
20210364290
Publication date
Nov 25, 2021
Yonggang Jia
G01 - MEASURING TESTING