Fengxiang Ma

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Hefei, Anhui, CN

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Patents Grantslast 30 patents

Information Patent Grant
Multifunctional C4F7N/CO2 mixed gas preparation system and preparat...
- Patent number 12,121,870
- Issue date Oct 22, 2024
- STATE GRID ANHUI ELECTRIC POWER RESEARCH INSTITUTE
- Wei Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fiber-optic photoacoustic sensing probe capable of resisting interf...
- Patent number 11,940,375
- Issue date Mar 26, 2024
- STATE GRID ANHUI ELECTRIC POWER RESEARCH INSTITUTE
- Fengxiang Ma
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
FIBER-OPTIC PHOTOACOUSTIC SENSING PROBE CAPABLE OF RESISTING INTERF...
- Publication number 20220178816
- Publication date Jun 9, 2022
- STATE GRID ANHUI ELECTRIC POWER RESEARCH INSTITUTE
- Fengxiang Ma
- G01 - MEASURING TESTING
Information Patent Application
MULTIFUNCTIONAL C4F7N/CO2 MIXED GAS PREPARATION SYSTEM AND PREPARAT...
- Publication number 20210237005
- Publication date Aug 5, 2021
- STATE GRID ANHUI ELECTRIC POWER RESEARCH INSTITUTE
- Wei Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL