Haiming LIAO

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Field detection device, system and method for achieving no maintena...
- Patent number 12,181,525
- Issue date Dec 31, 2024
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Min Chang
- G01 - MEASURING TESTING
Information Patent Grant
Transformation method for gas density relay, and gas density relay...
- Patent number 12,136,530
- Issue date Nov 5, 2024
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Tiexin Xia
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical system with on-line sampling verification function and v...
- Patent number 12,038,480
- Issue date Jul 16, 2024
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Tiexin Xia
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact signal acquisition circuit for on-site on-line check of gas...
- Patent number 11,988,713
- Issue date May 21, 2024
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Wei Zeng
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
GAS DENSITY RELAY WITH ONLINE SELF-CHECKING FUNCTION AND CHECKING M...
- Publication number 20230168302
- Publication date Jun 1, 2023
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Xiaobeng HUANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRICAL SYSTEM WITH ON-LINE SAMPLING VERIFICATION FUNCTION AND V...
- Publication number 20220341993
- Publication date Oct 27, 2022
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Tiexin XIA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSFORMATION METHOD FOR GAS DENSITY RELAY, AND GAS DENSITY RELAY...
- Publication number 20220336170
- Publication date Oct 20, 2022
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Tiexin XIA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD DETECTION DEVICE, SYSTEM AND METHOD FOR ACHIEVING NO MAINTENA...
- Publication number 20220334184
- Publication date Oct 20, 2022
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Min CHANG
- G05 - CONTROLLING REGULATING
Information Patent Application
CONTACT SIGNAL ACQUISITION CIRCUIT FOR ON-SITE ON-LINE CHECK OF GAS...
- Publication number 20220308112
- Publication date Sep 29, 2022
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Wei ZENG
- H01 - BASIC ELECTRIC ELEMENTS