HAI ZHANG

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ZHOUSHAN, CN

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Patents Grantslast 30 patents

Information Patent Grant
Mobile water quality monitoring platform for fishpond
- Patent number 11,391,714
- Issue date Jul 19, 2022
- Zhejiang Ocean University
- Chen Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Return gas prevention device for drainage pipe
- Patent number 11,326,334
- Issue date May 10, 2022
- Zhejiang Ocean University
- Yulian Zhang
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
RETURN GAS PREVENTION DEVICE FOR DRAINAGE PIPE
- Publication number 20210017754
- Publication date Jan 21, 2021
- ZHEJIANG OCEAN UNIVERSITY
- YULIAN ZHANG
- G05 - CONTROLLING REGULATING
Information Patent Application
MOBILE WATER QUALITY MONITORING PLATFORM FOR FISHPOND
- Publication number 20200371083
- Publication date Nov 26, 2020
- ZHEJIANG OCEAN UNIVERSITY
- CHEN ZHANG
- G01 - MEASURING TESTING