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Patents Grants
last 30 patents
Information
Patent Grant
Power cord with leakage current detection and interruption function
Patent number
11,973,334
Issue date
Apr 30, 2024
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Leakage current protection device with illumination function
Patent number
11,949,193
Issue date
Apr 2, 2024
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Leakage current detection interrupter
Patent number
11,808,822
Issue date
Nov 7, 2023
Chengli LI
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Leakage current detection and interruption device, electrical conne...
Patent number
11,658,475
Issue date
May 23, 2023
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Leakage current detection and interruption device for power cord an...
Patent number
11,600,984
Issue date
Mar 7, 2023
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Intelligent leakage current detection and interruption device for p...
Patent number
11,536,777
Issue date
Dec 27, 2022
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Leakage current detection and protection device, and power connecto...
Patent number
11,489,331
Issue date
Nov 1, 2022
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power cord for use with a leakage current detection and interruptio...
Patent number
11,480,628
Issue date
Oct 25, 2022
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Leakage current detection and protection device, and power connecto...
Patent number
11,444,448
Issue date
Sep 13, 2022
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Intelligent leakage current detection and interruption device for p...
Patent number
11,258,245
Issue date
Feb 22, 2022
Chengli Li
G01 - MEASURING TESTING
Information
Patent Grant
Intelligent leakage current detection and interruption device for p...
Patent number
11,243,265
Issue date
Feb 8, 2022
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Leakage current protection device with automatic or manual reset af...
Patent number
11,223,192
Issue date
Jan 11, 2022
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Leakage current detection and protection device and power connector...
Patent number
11,114,430
Issue date
Sep 7, 2021
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Leakage current detection and protection device, and power connecto...
Patent number
11,018,496
Issue date
May 25, 2021
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Leakage current detection and interruption device for power cord, a...
Patent number
11,005,260
Issue date
May 11, 2021
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Relay-type leakage current protection device
Patent number
10,931,095
Issue date
Feb 23, 2021
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Leakage current detection and interruption device for power cord
Patent number
10,886,724
Issue date
Jan 5, 2021
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Leakage current detection and protection device for power cord
Patent number
10,840,698
Issue date
Nov 17, 2020
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Safety shield assembly for power receptacle and related power recep...
Patent number
10,804,638
Issue date
Oct 13, 2020
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Leakage current protection device for power plug
Patent number
10,770,844
Issue date
Sep 8, 2020
Chengli LI
Shengyun Nie
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Safety shield assembly for power receptacle and related power recep...
Patent number
10,770,823
Issue date
Sep 8, 2020
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power plug with leakage current protection device
Patent number
10,644,438
Issue date
May 5, 2020
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ground fault circuit interrupter
Patent number
10,615,588
Issue date
Apr 7, 2020
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Ground fault circuit interrupter
Patent number
10,571,526
Issue date
Feb 25, 2020
Chengli LI
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Leakage current detection and protection device for power cord
Patent number
10,557,883
Issue date
Feb 11, 2020
Chengli Ll
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Leakage current protection device
Patent number
10,170,265
Issue date
Jan 1, 2019
Chengli Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Leakage current detection device for appliances
Patent number
10,069,292
Issue date
Sep 4, 2018
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Leakage current detection and protection device
Patent number
9,871,366
Issue date
Jan 16, 2018
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Leakage current detection device for appliances
Patent number
9,857,448
Issue date
Jan 2, 2018
Chengli Li
G01 - MEASURING TESTING
Information
Patent Grant
Fireproof separator board and plug-based circuit interrupter employ...
Patent number
9,713,273
Issue date
Jul 18, 2017
Chengli LI
Chengli Li
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
POWER RECEPTACLE
Publication number
20240170936
Publication date
May 23, 2024
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TRIP AND RESET MECHANISM FOR LEAKAGE CURRENT DETECTION AND INTERRUP...
Publication number
20240112872
Publication date
Apr 4, 2024
Xiaoming ZHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE, ELECTRICAL CONNE...
Publication number
20240097426
Publication date
Mar 21, 2024
Long CHEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD AN...
Publication number
20240044998
Publication date
Feb 8, 2024
Chengli LI
G01 - MEASURING TESTING
Information
Patent Application
LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD AN...
Publication number
20230402833
Publication date
Dec 14, 2023
Chengli LI
G01 - MEASURING TESTING
Information
Patent Application
POWER PLUG AND CONTROL CIRCUIT WITH INDICATOR LIGHT
Publication number
20230361514
Publication date
Nov 9, 2023
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER PLUG WITH LEAKAGE CURRENT DETECTION INTERRUPTER AND ADAPTED T...
Publication number
20230352885
Publication date
Nov 2, 2023
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD AN...
Publication number
20230307901
Publication date
Sep 28, 2023
Chengli LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER CORD WITH LEAKAGE CURRENT DETECTION AND INTERRUPTION FUNCTION
Publication number
20230268729
Publication date
Aug 24, 2023
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD AN...
Publication number
20230268730
Publication date
Aug 24, 2023
Chengli LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER PLUG WITH LEAKAGE CURRENT DETECTION INTERRUPTER
Publication number
20230082601
Publication date
Mar 16, 2023
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LEAKAGE CURRENT DETECTION INTERRUPTER
Publication number
20230073077
Publication date
Mar 9, 2023
Chengli LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER PLUG WITH LEAKAGE CURRENT DETECTION INTERRUPTER AND ARC PROTE...
Publication number
20230071911
Publication date
Mar 9, 2023
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER CORD AND LEAKAGE CURRENT PROTECTION DEVICE WITH CORD CONDITIO...
Publication number
20230009042
Publication date
Jan 12, 2023
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LEAKAGE CURRENT PROTECTION DEVICE WITH ILLUMINATION FUNCTION
Publication number
20220416484
Publication date
Dec 29, 2022
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
INTELLIGENT LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR P...
Publication number
20220011378
Publication date
Jan 13, 2022
Chengli LI
G01 - MEASURING TESTING
Information
Patent Application
LEAKAGE CURRENT DETECTION AND PROTECTION DEVICE, AND POWER CONNECTO...
Publication number
20210313796
Publication date
Oct 7, 2021
Chengli LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LEAKAGE CURRENT DETECTION AND PROTECTION DEVICE, AND POWER CONNECTO...
Publication number
20210265832
Publication date
Aug 26, 2021
Chengli LI
G01 - MEASURING TESTING
Information
Patent Application
POWER CORD FOR USE WITH A LEAKAGE CURRENT DETECTION AND INTERRUPTIO...
Publication number
20210239770
Publication date
Aug 5, 2021
Chengli LI
G01 - MEASURING TESTING
Information
Patent Application
LEAKAGE CURRENT PROTECTION DEVICE EMPLOYING A PIVOTING ACTUATOR IN...
Publication number
20210225606
Publication date
Jul 22, 2021
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LEAKAGE CURRENT PROTECTION DEVICE WITH AUTOMATIC OR MANUAL RESET AF...
Publication number
20210210946
Publication date
Jul 8, 2021
Chengli LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LEAKAGE CURRENT DETECTION AND PROTECTION DEVICE AND POWER CONNECTOR...
Publication number
20210118869
Publication date
Apr 22, 2021
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LEAKAGE CURRENT DETECTION AND PROTECTION DEVICE, AND POWER CONNECTO...
Publication number
20210111554
Publication date
Apr 15, 2021
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY-TYPE LEAKAGE CURRENT PROTECTION DEVICE
Publication number
20210075211
Publication date
Mar 11, 2021
Chengli LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INTELLIGENT LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR P...
Publication number
20210006060
Publication date
Jan 7, 2021
Chengli LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INTELLIGENT LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR P...
Publication number
20200393520
Publication date
Dec 17, 2020
Chengli LI
G01 - MEASURING TESTING
Information
Patent Application
LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD
Publication number
20200366083
Publication date
Nov 19, 2020
Chengli LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD, A...
Publication number
20200091707
Publication date
Mar 19, 2020
Chengli LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LEAKAGE CURRENT DETECTION AND PROTECTION DEVICE FOR POWER CORD
Publication number
20190115748
Publication date
Apr 18, 2019
Chengli LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LEAKAGE CURRENT DETECTION AND PROTECTION DEVICE FOR POWER CORD
Publication number
20190097412
Publication date
Mar 28, 2019
Chengli LI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER