Changchun ZHOU

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Initial positioning system and method for liquid measuring and remo...
- Patent number 11,253,851
- Issue date Feb 22, 2022
- BEIJING RED-SEA TECH CO., LTD.
- Zengxin Chen
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PUMP HEAD ELEMENT AND PUMP HEAD COMPRISING SAME, AND CONTAINER
- Publication number 20240026877
- Publication date Jan 25, 2024
- BEIJING RED-SEA TECH CO., LTD.
- Zengxin CHEN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
INITIAL POSITIONING SYSTEM AND METHOD FOR LIQUID MEASURING AND REMO...
- Publication number 20200353458
- Publication date Nov 12, 2020
- BEIJING RED-SEA TECH CO., LTD.
- Zengxin CHEN
- G01 - MEASURING TESTING