Assignee
LI CHENGLI
CN90 patents
Top patents by PatentIndex Score
US9312680B2Apr 12, 2016
Leakage current detection interrupter with self-testing function and over-temperature protection function
LI CHENGLI24 citations93
US11600984B1Mar 7, 2023
Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances
LI CHENGLI8 citations86
USD968334SNov 1, 2022
Power supply receptacle
LI CHENGLI4 citations84
US10804638B1Oct 13, 2020
Safety shield assembly for power receptacle and related power receptacle
LI CHENGLI8 citations84
US9857448B1Jan 2, 2018
Leakage current detection device for appliances
LI CHENGLI7 citations84
US9535106B2Jan 3, 2017
Leakage current detection device for appliances
LI CHENGLI14 citations84
US10840698B2Nov 17, 2020
Leakage current detection and protection device for power cord
LI CHENGLI10 citations83
US10770844B2Sep 8, 2020
Leakage current protection device for power plug
LI CHENGLI7 citations83
US9871366B1Jan 16, 2018
Leakage current detection and protection device
LI CHENGLI10 citations83
US9547047B2Jan 17, 2017
Leakage current detection device with self-testing function
LI CHENGLI16 citations83
US10886724B2Jan 5, 2021
Leakage current detection and interruption device for power cord
LI CHENGLI10 citations81
US12292474B2May 6, 2025
Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances
LI CHENGLI2 citations75
US12237665B2Feb 25, 2025
Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances
LI CHENGLI2 citations75
USD1060271SFeb 4, 2025
Wall-mounted switch
LI CHENGLI2 citations75
US12206231B2Jan 21, 2025
Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances
LI CHENGLI2 citations74
USD1040768SSep 3, 2024
Wall-mounted switch
LI CHENGLI2 citations73
USD1037179SJul 30, 2024
Wall-mounted switch
LI CHENGLI2 citations73
USD1037180SJul 30, 2024
Wall-mounted switch
LI CHENGLI3 citations73
USD1000396SOct 3, 2023
Power supply receptacle
LI CHENGLI1 citations73
US11658475B1May 23, 2023
Leakage current detection and interruption device, electrical connector and electrical appliance
LI CHENGLI3 citations73
US11444448B2Sep 13, 2022
Leakage current detection and protection device, and power connector and electrical appliance employing the same
LI CHENGLI2 citations73
US11258245B2Feb 22, 2022
Intelligent leakage current detection and interruption device for power cord
LI CHENGLI2 citations73
US11018496B2May 25, 2021
Leakage current detection and protection device, and power connector and electrical appliance employing the same
LI CHENGLI4 citations73
US11005260B2May 11, 2021
Leakage current detection and interruption device for power cord, and power connector and appliance employing the same
LI CHENGLI2 citations73
US10770823B1Sep 8, 2020
Safety shield assembly for power receptacle and related power receptacle
LI CHENGLI2 citations73
US10069292B2Sep 4, 2018
Leakage current detection device for appliances
LI CHENGLI4 citations73
US9713273B2Jul 18, 2017
Fireproof separator board and plug-based circuit interrupter employing the fireproof board
LI CHENGLI6 citations73
US9640969B2May 2, 2017
Arc fault circuit interrupter
LI CHENGLI2 citations73
US9564718B2Feb 7, 2017
Power plug and power receptacle with over-temperature protection function
LI CHENGLI4 citations73
US11243265B2Feb 8, 2022
Intelligent leakage current detection and interruption device for power cord
LI CHENGLI4 citations72
US11114430B2Sep 7, 2021
Leakage current detection and protection device and power connector employing the same
LI CHENGLI2 citations72
US10644438B2May 5, 2020
Power plug with leakage current protection device
LI CHENGLI4 citations72
US10615588B2Apr 7, 2020
Ground fault circuit interrupter
LI CHENGLI5 citations72
US10571526B2Feb 25, 2020
Ground fault circuit interrupter
LI CHENGLI3 citations72
US10170265B2Jan 1, 2019
Leakage current protection device
LI CHENGLI2 citations72
US9640968B2May 2, 2017
Arc fault circuit interrupter
LI CHENGLI2 citations72
USD1042324SSep 17, 2024
Electrical power adapter
LI CHENGLI2 citations71
US11532908B1Dec 20, 2022
Power receptacle with protective cover
LI CHENGLI3 citations71
US11476612B1Oct 18, 2022
Power receptacle
LI CHENGLI3 citations71
US12010804B2Jun 11, 2024
Power receptacle
LI CHENGLI4 citations66
US12266881B2Apr 1, 2025
Safety shield assembly for power receptacle and related power receptacle
LI CHENGLI1 citations64
US11973334B2Apr 30, 2024
Power cord with leakage current detection and interruption function
LI CHENGLI0 citations63
USD991889SJul 11, 2023
Power supply receptacle
LI CHENGLI0 citations63
USD1103937SDec 2, 2025
Combined faceplate for a power receptacle with USB charging socket
LI CHENGLI0 citations62
US11480628B2Oct 25, 2022
Power cord for use with a leakage current detection and interruption device
LI CHENGLI0 citations62
US10931095B1Feb 23, 2021
Relay-type leakage current protection device
LI CHENGLI1 citations62
US9312681B2Apr 12, 2016
Circuit interrupter with over-temperature protection function for power cord
LI CHENGLI2 citations62
USD1117041SMar 10, 2026
Electrical power adapter
LI CHENGLI0 citations61
USD1113667SFeb 17, 2026
Electrical power adapter plug
LI CHENGLI0 citations61
USD1109106SJan 13, 2026
Wall-mounted switch
LI CHENGLI0 citations61
Showing the top 50 of 90 patents by PatentIndex Score.