Yehong WU

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for modifying gas density relay, and gas density relay havin...
- Patent number 12,154,738
- Issue date Nov 26, 2024
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Haiyong Jin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas density relay verification device and verification method therefor
- Patent number 11,988,714
- Issue date May 21, 2024
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Haiyong Jin
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
GAS DENSITY RELAY VERIFICATION DEVICE AND VERIFICATION METHOD THEREFOR
- Publication number 20220334183
- Publication date Oct 20, 2022
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Haiyong JIN
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR MODIFYING GAS DENSITY RELAY, AND GAS DENSITY RELAY HAVIN...
- Publication number 20220336172
- Publication date Oct 20, 2022
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Haiyong JIN
- H01 - BASIC ELECTRIC ELEMENTS