CHENGDONG LIU

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NANJING, CN

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Patents Grantslast 30 patents

Information Patent Grant
Self-positioning system and self-positioning identification method...
- Patent number 10,677,919
- Issue date Jun 9, 2020
- Nanjing Hydraulic Research Institute
- Yan Xiang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
PARTICLE ALGORITHM-BASED METHOD FOR UNDERWATER DETECTION AND OPERAT...
- Publication number 20230415863
- Publication date Dec 28, 2023
- NANJING HYDRAULIC RESEARCH INSTITUTE
- Yan Xiang
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
SELF-POSITIONING SYSTEM AND SELF-POSITIONING IDENTIFICATION METHOD...
- Publication number 20190235074
- Publication date Aug 1, 2019
- NANJING HYDRAULIC RESEARCH INSTITUTE
- YAN XIANG
- G01 - MEASURING TESTING