Membership
Tour
Register
Log in
Wei ZENG
Follow
Person
Shanghai, CN
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 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
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
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 Applications
last 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
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