Jianyong Zhang

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Jiangsu, CN

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Patents Grantslast 30 patents

Information 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

Patents Applicationslast 30 patents

Information 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