Chengli LI

POWER RECEPTACLE DEVICE AND POWER RECEPTACLE BOX

#2 | 2026-05-14

US20260136479A1

POWER SUPPLY DEVICE

#3 | 2026-05-07

US20260128248A1

GROUND FAULT DETECTION CIRCUIT BREAKER

#4 | 2026-05-07

US20260128247A1

COMBINED LEAKAGE PROTECTION DEVICE

#5 | 2026-04-02

US20260094780A1

GROUND FAULT CIRCUIT INTERRUPTER DEVICE AND RELATED ELECTRICAL CONNECTION DEVICES AND ELECTRICAL APPLIANCES

#6 | 2026-03-05

US20260066643A1

LEAKAGE PROTECTION DEVICES, ELECTRICAL CONNECTION EQUIPMENT AND ELECTRICAL APPLIANCES

#7 | 2026-03-05

US20260066642A1

LEAKAGE PROTECTION DEVICE

#8 | 2025-10-30

US20250336625A1

LOAD CONTROL DEVICE AND RELATED ASSEMBLY METHOD

#9 | 2025-10-02

US20250311137A1

LEAKAGE PROTECTION DEVICE WITH LOAD-END FUNCTIONS

#10 | 2025-08-07 ✅ Patent 12,620,801 granted on 2026-05-05

US20250253647A1

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#11 | 2025-07-17

US20250233405A1

LEAKAGE PROTECTION DEVICE WITH LOAD-END FUNCTIONS

#12 | 2025-07-10

US20250226649A1

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#13 | 2025-07-03

US20250219391A1

LEAKAGE PROTECTION DEVICES, ELECTRICAL CONNECTION EQUIPMENT AND ELECTRICAL APPLIANCES

#14 | 2025-07-03

US20250218711A1

LOAD REGULATION DEVICE AND LOAD REGULATION SYSTEM

#15 | 2025-07-03

US20250218710A1

LOAD REGULATION DEVICE AND LOAD REGULATION SYSTEM

#16 | 2025-07-03 ✅ Patent 12,631,173 granted on 2026-05-19

US20250215873A1

METHOD FOR DETERMINING MALFUNCTION OF A LIQUID DRAINAGE PUMP AND RELATED CONTROL DEVICE AND LIQUID DRAINAGE PUMP

#17 | 2025-06-05 ✅ Patent 12,587,004 granted on 2026-03-24

US20250183650A1

LEAKAGE CURRENT PROTECTION DEVICE AND ELECTRICAL APPLIANCES EMPLOYING THE SAME

#18 | 2025-05-22

US20250167537A1

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE, ELECTRICAL CONNECTOR AND ELECTRICAL APPLIANCE

#19 | 2025-05-08

US20250149876A1

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#20 | 2025-05-01 ✅ Patent 12,512,663 granted on 2025-12-30

US20250141207A1

GROUND FAULT CIRCUIT INTERRUPTER DEVICES AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#21 | 2025-05-01

US20250141206A1

GROUND FAULT CIRCUIT INTERRUPTER DEVICES AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#22 | 2025-05-01 ✅ Patent 12,476,064 granted on 2025-11-18

US20250140503A1

GROUND FAULT CIRCUIT INTERRUPTER INCORPORATING CIRCUIT BREAKER, SHUNT MODULE AND GROUND FAULT DETECTION DEVICE

#23 | 2025-04-17 ✅ Patent 12,379,426 granted on 2025-08-05

US20250123338A1

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#24 | 2025-03-20 ✅ Patent 12,388,249 granted on 2025-08-12

US20250096552A1

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE

#25 | 2025-03-06 ✅ Patent 12,628,257 granted on 2026-05-12

US20250081312A1

LIGHT DIMMER FOR SMART HOMES

#26 | 2025-03-06 ✅ Patent 12,610,441 granted on 2026-04-21

US20250081309A1

KNOB-TYPE LIGHT DIMMER DEVICE

#27 | 2025-02-27 ✅ Patent 12,444,563 granted on 2025-10-14

US20250069838A1

ELECTRIC-DRIVEN TRIP AND RESET MECHANISM AND RELATED LEAKAGE CURRENT PROTECTION DEVICE

#28 | 2025-02-20 ✅ Patent 12,326,479 granted on 2025-06-10

US20250060422A1

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#29 | 2025-01-09

US20250015612A1

LEAKAGE CURRENT PROTECTION DEVICE WITH CHARGING POWER OUTPUT

#30 | 2025-01-09 ✅ Patent 12,512,633 granted on 2025-12-30

US20250015545A1

POWER TRACK SYSTEM WITH LEAKAGE CURRENT PROTECTION FUNCTION

#31 | 2025-01-02 ✅ Patent 12,512,661 granted on 2025-12-30

US20250007272A1

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#32 | 2025-01-02

US20250004968A1

POWER TRANSMISSION SYSTEM AND METHOD FOR UNIVERSAL SERIAL BUS RECEPTACLES

#33 | 2025-01-02 ✅ Patent 12,292,474 granted on 2025-05-06

US20250004052A1

Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances

#34 | 2024-12-26 ✅ Patent 12,306,270 granted on 2025-05-20

US20240426941A1

Electrical fault detection and interruption device and related electrical connectors and electrical appliances

#35 | 2024-12-26 ✅ Patent 12,306,269 granted on 2025-05-20

US20240426940A1

Electrical fault detection and interruption device and related electrical connectors and electrical appliances

#36 | 2024-12-19

US20240421583A1

LEAKAGE CURRENT PROTECTION DEVICE INTEGRATING LOAD-END FUNCTIONS

#37 | 2024-12-19

US20240421582A1

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#38 | 2024-12-12 ✅ Patent 12,392,813 granted on 2025-08-19

US20240410927A1

ARC FAULT DETECTION CIRCUIT EMPLOYING A WINDOW GATING CIRCUIT

#39 | 2024-10-03

US20240332845A1

SAFETY SHIELD ASSEMBLY FOR POWER RECEPTACLE AND RELATED POWER RECEPTACLE

#40 | 2024-08-29 ✅ Patent 12,279,407 granted on 2025-04-15

US20240292586A1

Power cord and related electrical connectors and electrical appliances

#41 | 2024-08-29 ✅ Patent 12,188,601 granted on 2025-01-07

US20240288096A1

Cable management device and related installation method

#42 | 2024-08-15

US20240272238A1

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#43 | 2024-08-15

US20240272237A1

LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE FOR POWER CORD AND RELATED ELECTRICAL CONNECTORS AND ELECTRICAL APPLIANCES

#44 | 2024-08-01 ✅ Patent 12,413,006 granted on 2025-09-09

US20240258735A1

SAFETY SHIELD ASSEMBLY FOR POWER RECEPTACLE AND RELATED POWER RECEPTACLE

#45 | 2024-06-13 ✅ Patent 12,278,444 granted on 2025-04-15

US20240195118A1

Protection structure for power receptacle

#46 | 2024-06-13 ✅ Patent 12,266,881 granted on 2025-04-01

US20240195106A1

Safety shield assembly for power receptacle and related power receptacle

#47 | 2024-05-23

US20240170936A1

POWER RECEPTACLE

#48 | 2024-04-04 ✅ Patent 12,340,963 granted on 2025-06-24

US20240112872A1

TRIP AND RESET MECHANISM FOR LEAKAGE CURRENT DETECTION AND INTERRUPTION DEVICE

#49 | 2024-03-21 ✅ Patent 12,237,660 granted on 2025-02-25

US20240097426A1

Leakage current detection and interruption device, electrical connector and electrical appliance

#50 | 2024-03-14

US20240088648A1

LEAKAGE CURRENT CONTROL DEVICE AND RELATED CONTROL APPARATUS AND ELECTRICAL APPLIANCE EMPLOYING THE SAME

#51 | 2024-02-08 ✅ Patent 12,352,994 granted on 2025-07-08

US20240045129A1

ELECTRICAL CONVERTER PLUG WITH INDICATOR LIGHT, AND CONVERTER PLUG ASSEMBLY WITH POSITIONING BRACKET

#52 | 2024-02-08 ✅ Patent 12,105,157 granted on 2024-10-01

US20240044998A1

Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances

#53 | 2023-12-14 ✅ Patent 12,046,893 granted on 2024-07-23

US20230402833A1

Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances

#54 | 2023-11-30 ✅ Patent 12,010,804 granted on 2024-06-11

US20230389199A1

Power receptacle

#55 | 2023-11-09 ✅ Patent 12,027,805 granted on 2024-07-02

US20230361514A1

Power plug and control circuit with indicator light

#56 | 2023-11-02 ✅ Patent 12,034,257 granted on 2024-07-09

US20230352885A1

Power plug with leakage current protection and adapted to be assembled with a power cord

#57 | 2023-09-28 ✅ Patent 12,206,231 granted on 2025-01-21

US20230307901A1

Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances

#58 | 2023-08-24 ✅ Patent 12,237,665 granted on 2025-02-25

US20230268730A1

Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances

#59 | 2023-08-24 ✅ Patent 11,973,334 granted on 2024-04-30

US20230268729A1

Power cord with leakage current detection and interruption function

#60 | 2023-05-23 ✅ Patent 11,658,475 granted on 2023-05-23

US17558357

Leakage current detection and interruption device, electrical connector and electrical appliance

#61 | 2023-04-27 ✅ Patent 11,953,365 granted on 2024-04-09

US20230132194A1

Switching device and a liquid level detection apparatus employing the switching device

#62 | 2023-03-16 ✅ Patent 12,119,593 granted on 2024-10-15

US20230082601A1

Power plug with leakage current detection interrupter

#63 | 2023-03-09 ✅ Patent 11,808,822 granted on 2023-11-07

US20230073077A1

Leakage current detection interrupter

#64 | 2023-03-09

US20230071911A1

POWER PLUG WITH LEAKAGE CURRENT DETECTION INTERRUPTER AND ARC PROTECTION

#65 | 2023-03-07 ✅ Patent 11,600,984 granted on 2023-03-07

US17682598

Leakage current detection and interruption device for power cord and related electrical connectors and electrical appliances

#66 | 2023-01-12

US20230009042A1

POWER CORD AND LEAKAGE CURRENT PROTECTION DEVICE WITH CORD CONDITION DETECTION CIRCUIT

#67 | 2022-12-29 ✅ Patent 11,949,193 granted on 2024-04-02

US20220416484A1

Leakage current protection device with illumination function

#68 | 2022-12-29 ✅ Patent 11,804,678 granted on 2023-10-31

US20220416481A1

Power supply adapter

#69 | 2022-12-20 ✅ Patent 11,532,908 granted on 2022-12-20

US17391327

Power receptacle with protective cover

#70 | 2022-10-18 ✅ Patent 11,476,612 granted on 2022-10-18

US17390313

Power receptacle

#71 | 2022-05-12 ✅ Patent 11,512,701 granted on 2022-11-29

US20220145890A1

Cutting system for a grinding pump and related grinding pump

#72 | 2022-04-28 ✅ Patent 11,451,032 granted on 2022-09-20

US20220131354A1

Water resistant box for power outlet

#73 | 2022-04-28 ✅ Patent 11,549,587 granted on 2023-01-10

US20220128148A1

Sealing device, sealing assembly and apparatus having a rotating shaft with the sealing assembly

#74 | 2022-04-21 ✅ Patent 11,329,464 granted on 2022-05-10

US20220123539A1

Faceplate for use with a ground fault circuit interrupter device and related gfci assembly

#75 | 2022-01-13 ✅ Patent 11,536,777 granted on 2022-12-27

US20220011378A1

Intelligent leakage current detection and interruption device for power cord

#76 | 2021-10-07 ✅ Patent 11,489,331 granted on 2022-11-01

US20210313796A1

Leakage current detection and protection device, and power connector and electrical appliance employing the same

#77 | 2021-08-26 ✅ Patent 11,444,448 granted on 2022-09-13

US20210265832A1

Leakage current detection and protection device, and power connector and electrical appliance employing the same

#78 | 2021-08-05 ✅ Patent 11,480,628 granted on 2022-10-25

US20210239770A1

Power cord for use with a leakage current detection and interruption device

#79 | 2021-07-22

US20210225606A1

LEAKAGE CURRENT PROTECTION DEVICE EMPLOYING A PIVOTING ACTUATOR IN THE TRIP ASSEMBLY

#80 | 2021-07-08 ✅ Patent 11,223,192 granted on 2022-01-11

US20210210946A1

Leakage current protection device with automatic or manual reset after power outage

#81 | 2021-04-22 ✅ Patent 11,114,430 granted on 2021-09-07

US20210118869A1

Leakage current detection and protection device and power connector employing the same

#82 | 2021-04-15 ✅ Patent 11,018,496 granted on 2021-05-25

US20210111554A1

Leakage current detection and protection device, and power connector and electrical appliance employing the same

#83 | 2021-03-11 ✅ Patent 10,931,095 granted on 2021-02-23

US20210075211A1

Relay-type leakage current protection device

#84 | 2021-01-07 ✅ Patent 11,258,245 granted on 2022-02-22

US20210006060A1

Intelligent leakage current detection and interruption device for power cord

#85 | 2020-12-17 ✅ Patent 11,243,265 granted on 2022-02-08

US20200393520A1

Intelligent leakage current detection and interruption device for power cord

#86 | 2020-11-19 ✅ Patent 10,886,724 granted on 2021-01-05

US20200366083A1

Leakage current detection and interruption device for power cord

#87 | 2020-10-13 ✅ Patent 10,804,638 granted on 2020-10-13

US16696019

Safety shield assembly for power receptacle and related power receptacle

#88 | 2020-09-08 ✅ Patent 10,770,823 granted on 2020-09-08

US16446107

Safety shield assembly for power receptacle and related power receptacle

#89 | 2020-03-19 ✅ Patent 11,005,260 granted on 2021-05-11

US20200091707A1

Leakage current detection and interruption device for power cord, and power connector and appliance employing the same

#90 | 2019-04-18 ✅ Patent 10,840,698 granted on 2020-11-17

US20190115748A1

Leakage current detection and protection device for power cord

#91 | 2019-03-28 ✅ Patent 10,557,883 granted on 2020-02-11

US20190097412A1

Leakage current detection and protection device for power cord

#92 | 2018-11-15 ✅ Patent 10,644,438 granted on 2020-05-05

US20180331465A1

Power plug with leakage current protection device

#93 | 2018-06-14 ✅ Patent 10,770,844 granted on 2020-09-08

US20180166833A1

Leakage current protection device for power plug

#94 | 2018-06-14 ✅ Patent 10,170,265 granted on 2019-01-01

US20180166242A1

Leakage current protection device

#95 | 2018-05-31 ✅ Patent 10,571,526 granted on 2020-02-25

US20180149690A1

Ground fault circuit interrupter

#96 | 2018-04-19 ✅ Patent 10,615,588 granted on 2020-04-07

US20180109102A1

Ground fault circuit interrupter

#97 | 2018-01-18 ✅ Patent 9,871,366 granted on 2018-01-16

US20180019584A1

Leakage current detection and protection device

#98 | 2017-08-03 ✅ Patent 10,069,292 granted on 2018-09-04

US20170222425A1

Leakage current detection device for appliances

#99 | 2016-06-16 ✅ Patent 9,547,047 granted on 2017-01-17

US20160169981A1

Leakage current detection device with self-testing function

#100 | 2015-12-03 ✅ Patent 9,312,681 granted on 2016-04-12

US20150349517A1