Manli HE

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Gas flow regulating device and mass flow controller
- Patent number 11,320,055
- Issue date May 3, 2022
- BEIJING SEVENSTAR FLOW CO., LTD
- Jingqing Du
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
FLUID MEASUREMENT SENSOR AND MASS FLOW CONTROLLER
- Publication number 20240035870
- Publication date Feb 1, 2024
- BEIJING SEVENSTAR FLOW CO., LTD.
- Qianyi SU
- G01 - MEASURING TESTING
Information Patent Application
GAS FLOW REGULATING DEVICE AND MASS FLOW CONTROLLER
- Publication number 20210332895
- Publication date Oct 28, 2021
- BEIJING SEVENSTAR FLOW CO., LTD.
- Jingqing DU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...