ClassID:

216694

H02H3/16 - CPC Classification

Classification description:

Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass

Sub-classes:
Recent Application in this class:
#1
20260147060
2026-05-28

MODULAR CIRCUIT BREAKER SYSTEM AND PCBA DIFFERENTIAL SENSOR SYSTEM FOR CIRCUIT BREAKER

#2
20260128247
2026-05-07

COMBINED LEAKAGE PROTECTION DEVICE

#3
20260116201
2026-04-30

POWER SUPPLY DEVICE FOR MOVING OBJECT

#4
20260112881
2026-04-23

COMPLEX FAULT PROTECTION METHOD AND SYSTEM FOR SINGLE RETURN LINE OF ARC SUPPRESSION COIL GROUND SYSTEM

#5
20260112879
2026-04-23

Smart Circuit Breaker Systems and Methods

#6
20260106102
2026-04-16

SELF-TEST MECHANISMS FOR END-OF-LIFE DETECTION AND RESPONSE FOR CIRCUIT INTERRUPTER DEVICES

#7
20260095038
2026-04-02

REDUNDANT POWER SYSTEM, PROTECTION CIRCUIT THEREOF, AND ERROR DETECTION METHOD THEREOF

#8
20260072072
2026-03-12

Aliasing-Based Broadband Noise Power Estimation for Arc-Fault Detection

#9
20260066642
2026-03-05

LEAKAGE PROTECTION DEVICE

#10
20260024981
2026-01-22

System and Method for Quantifying Confidence Levels in Arc Fault Detection for Reliable Trip Decisions

#11
20260018878
2026-01-15

SHORT-CIRCUIT PROTECTION CIRCUIT, SEMICONDUCTOR DEVICE, AND SHORT-CIRCUIT PROTECTION METHOD

#12
20260016523
2026-01-15

METHOD AND SYSTEM FOR DISTRIBUTED GROUND DETECTION

#13
20260008365
2026-01-08

NON-ISOLATED BIDIRECTIONAL POWER CONVERTER WITH RESIDUAL CURRENT CONTROL

#14
20250373002
2025-12-04

ELECTRICAL CIRCUIT FOR ELECTRICAL SAFETY

#15
20250364801
2025-11-27

AUTOMATIC MONITORING GROUND FAULT CIRCUIT INTERRUPTER WITH INDEPENDENTLY DESIGNED TIPPING MECHANISM

#16
20250357454
2025-11-20

Power Semiconductor Device Stack, Power Module, and Method of Producing a Power Semiconductor Device Stack

#17
20250323492
2025-10-16

ELECTRICAL PROTECTION DEVICE, ELECTRICAL INSTALLATION AND ASSOCIATED CONTROL METHOD

#18
20250283942
2025-09-11

APPARATUSES AND METHODS FOR PASSIVE FAULT MONITORING OF CURRENT SENSING DEVICES IN PROTECTIVE CIRCUIT INTERRUPTERS

#19
20250258248
2025-08-14

EQUIPMENT GROUND FAULT DETECTION CIRCUIT

#20
20250253640
2025-08-07

ELECTRONIC DEVICE WITH SHORT-CIRCUIT PROTECTION FUNCTION

#21
20250226649
2025-07-10

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

#22
20250226648
2025-07-10

BACKUP PROTECTION METHOD

#23
20250210965
2025-06-26

GALLIUM NITRIDE-BASED ACTIVE CURRENT FLOWBACK PREVENTION

#24
20250202223
2025-06-19

DC MOTOR DRIVEN BY CLASS 4 FAULT-MANAGED POWER INTEGRATED INTO A LOW-VOLTAGE DRIVE

#25
20250183651
2025-06-05

METHOD FOR OPERATING AN ELECTRONIC CIRCUIT BREAKER, ELECTRONIC CIRCUIT BREAKER, AND ELECTRIC SYSTEM COMPRISING AN ELECTRONIC CIRCUIT BREAKER

#26
20250183650
2025-06-05

LEAKAGE CURRENT PROTECTION DEVICE AND ELECTRICAL APPLIANCES EMPLOYING THE SAME

#27
20250164577
2025-05-22

APPARATUS AND METHOD FOR GROUND FAULT MONITORING

#28
20250158512
2025-05-15

DC to AC Converter for Solar Energy System

#29
20250155518
2025-05-15

FAULT MANAGED POWER SYSTEMS

#30
20250141206
2025-05-01

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

#31
20250140503
2025-05-01

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

#32
20250125606
2025-04-17

SYSTEM AND METHODS FOR DETECTING AND IDENTIFYING ARCING BASED ON DISCRETE TIME SIGNAL PROCESSING

#33
20250123338
2025-04-17

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

#34
20250108714
2025-04-03

ELECTRIC VEHICLE, ONBOARD CHARGER, METHOD AND COMPUTER PROGRAM

#35
20250093403
2025-03-20

CURRENT DISTURBANCE DETECTION SYSTEM

#36
20250087990
2025-03-13

TRANSFORMER PROTECTION SYSTEM USING DIRECT CURRENT SWITCH CIRCUIT

#37
20250079823
2025-03-06

SUBSTRATE PARASITE REDUCTION TECHNIQUE

#38
20250047193
2025-02-06

Adaptive Electrical Power Distribution Panel

#39
20250044354
2025-02-06

Electrical Discharge Detection System

#40
20250035712
2025-01-30

GROUND FAULT DETECTION APPARATUS

#41
20250007272
2025-01-02

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

#42
20250006022
2025-01-02

Photovoltaic Panel Circuitry

#43
20240429789
2024-12-26

A METHOD FOR ELECTRIC LEAKAGE SAFETY OF AN ELECTRIC MOTOR, AND A PROTECTION SYSTEM

#44
20240426911
2024-12-26

TESTER FOR A FREQUENCY-DEPENDENT GROUND FAULT INTERRUPT WIRING DEVICE

#45
20240421586
2024-12-19

GROUND FAULT CIRCUIT INTERRUPTER WITH INTEGRATED CONTROLLER

#46
20240421582
2024-12-19

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

#47
20240357712
2024-10-24

MATERIAL, APPARATUS, AND METHOD FOR ELECTRICALLY SHIELDING HEATED COMPONENTS

#48
20240348038
2024-10-17

Self Installed Fire Protection Unit.

#49
20240333278
2024-10-03

Power supply system having a circuit for detecting a ground fault

#50
20240332946
2024-10-03

ELECTRICAL RECEPTACLES, ASSEMBLIES THEREOF, AND END OF LIFE FUNCTIONALITY

#51
20240322554
2024-09-26

IDENTIFYING LOCATION OF AND CLEARING OF GROUND FAULTS IN MIDPOINT GROUNDED DC SYSTEMS

#52
20240272238
2024-08-15

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

#53
20240272225
2024-08-15

Apparatuses and methods for passive fault monitoring of current sensing devices in protective circuit interrupters

#54
20240266820
2024-08-08

DC voltage switching device having earth fault protection

#55
20240252225
2024-08-01

METHODS OF ENSURING PULSED FIELD ABLATION GENERATOR SYSTEM ELECTRICAL SAFETY

#56
20240219479
2024-07-04

Apparatus and method for ground fault monitoring

#57
20240171062
2024-05-23

Adaptive electrical power distribution panel

#58
20240170944
2024-05-23

Ground fault protection in a high resistance grounding system

#59
20240097429
2024-03-21

FREQUENCY-DEPENDENT GROUND FAULT CIRCUIT INTERRUPTER

#60
20240079869
2024-03-07

End of line protection with trip signal engaging

#61
20240060675
2024-02-22

DEVICES, SYSTEMS, AND METHODS FOR REDUCING LEAKAGE CURRENT

#62
20240048045
2024-02-08

Multi-level, jittering, DC to AC inverter with low pass filter

#63
20240044998
2024-02-08

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

#64
20240039252
2024-02-01

METHOD AND SYSTEM FOR A DC NANOGRID

#65
20230420929
2023-12-28

ELECTRIC LEAKAGE PROTECTION DEVICE FOR POOL APPARATUS, AND POOL APPARATUS

#66
20230411950
2023-12-21

EXTERNAL USB-C HARDWARE FAILURE PROTECTION

#67
20230402833
2023-12-14

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

#68
20230382230
2023-11-30

Power supply device for vehicle

#69
20230369811
2023-11-16

GROUND FAULT CIRCUIT INTERRUPTERS AND CONNECTORS FOR USE WITH SAME

#70
20230361560
2023-11-09

ELECTRONIC CIRCUIT BREAKER CONFIGURED TO PROVIDE A FAIL-SAFE MODE

#71
20230349974
2023-11-02

Apparatuses and methods for passive fault monitoring of current sensing devices in protective circuit interrupters

#72
20230344216
2023-10-26

POWER SUPPLY CONTROL APPARATUS AND POWER SUPPLY CONTROL METHOD

#73
20230344215
2023-10-26

Leakage current detection circuit

#74
20230333154
2023-10-19

METHOD AND SYSTEM FOR DISTRIBUTED GROUND DETECTION

#75
20230327427
2023-10-12

Fault detector for bipole power transmission schemes

#76
20230327424
2023-10-12

DIRECT CURRENT DISTRIBUTION SYSTEM, CONTROL APPARATUS, ANOMALY DETECTION METHOD AND PROGRAM

#77
20230318289
2023-10-05

End of line protection

#78
20230318280
2023-10-05

Circuit and plug for timing automatic detection of leakage protection function

#79
20230314497
2023-10-05

METHODS AND SYSTEMS FOR SOURCE IDENTIFICATION OF A FAULT SUCH AS ARC FAULT OR GROUND FAULT EVENT IN A COMMUNICATING PANEL

#80
20230290600
2023-09-14

Earth leakage breaker having built-in trip module type circuit breaker

#81
20230283051
2023-09-07

Electrical Panel Board

#82
20230278448
2023-09-07

ELECTRIC METER COLLAR HOUSING ELECTRIC VEHICLE SUPPLY EQUIPMENT

#83
20230275419
2023-08-31

Ground fault circuit interrupter using frequency recognition and measurement

#84
20230268729
2023-08-24

Power cord with leakage current detection and interruption function

#85
20230253778
2023-08-10

Power Supply System

#86
20230222885
2023-07-13

Photovoltaic panel circuitry

#87
20230221380
2023-07-13

Fault managed power systems

#88
20230187924
2023-06-15

Power supply system, ground fault detection method and program

#89
20230178975
2023-06-08

Power supply system, protection coordination method and program

#90
20230170173
2023-06-01

SELF-TEST MECHANISMS FOR END-OF-LIFE DETECTION AND RESPONSE FOR CIRCUIT INTERRUPTER DEVICES

#91
20230155482
2023-05-18

Adaptive electrical power distribution panel

#92
20230125152
2023-04-27

ELECTRICAL RECEPTACLES, ASSEMBLIES THEREOF, AND END OF LIFE FUNCTIONALITY

#93
20230118434
2023-04-20

Electric switching device and associated switching system and method

#94
20230114738
2023-04-13

Safety device for work on electrical systems

#95
20230085180
2023-03-16

Power supply control apparatus and power supply control method

#96
20230079175
2023-03-16

AUTO RECOVERY CIRCUIT BREAKER AND AUTO RECOVERY CIRCUIT BREAKER WITH TRANSMITTER

#97
20230077421
2023-03-16

Power supply control apparatus and power supply control method

#98
20230074268
2023-03-09

Power supply device for vehicle

#99
20230073077
2023-03-09

Leakage current detection interrupter

#100
20230062761
2023-03-02

Apparatus and method for measuring insulation resistance of vehicle

#101
20230062488
2023-03-02

Power pedestals

#102
20230030349
2023-02-02

Mobile electric energy supply device

#103
20230017320
2023-01-19

Multifunction single core sensor for ground fault application

#104
20230016591
2023-01-19

Cable with signal detection function

#105
20230010565
2023-01-12

GROUND IMPEDANCE AND FAULT DETECTION SYSTEM AND METHOD

#106
20230010365
2023-01-12

POWER SUPPLY DEVICE FOR VEHICLE

#107
20230009042
2023-01-12

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

#108
20230001797
2023-01-05

Power supply device for vehicle

#109
20220407305
2022-12-22

Current sensing protection device for sensing whether current sensing element occurs short phenomenon

#110
20220357396
2022-11-10

Apparatuses and methods for passive fault monitoring of current sensing devices in protective circuit interrupters

#111
20220344927
2022-10-27

Bidirectional electronic circuit breaker

#112
20220337049
2022-10-20

Ground fault circuit interrupter with integrated controller

#113
20220311234
2022-09-29

Multiple frequency ground fault protection

#114
20220306020
2022-09-29

Power supply device and method that determine location of fault in first and second power supply systems

#115
20220302696
2022-09-22

Smart earth leakage circuit breaker

#116
20220297558
2022-09-22

Breaker Plugs, Systems and Methods

#117
20220294207
2022-09-15

In-vehicle protection apparatus

#118
20220268840
2022-08-25

Ground fault interrupter self test circuits and related methods

#119
20220268827
2022-08-25

Distribution fault location using graph neural network with both node and link attributes

#120
20220240349
2022-07-28

FAULT DETECTION DEVICE, LOAD DRIVING DEVICE, FAULT DETECTION METHOD AND STORAGE MEDIUM

#121
20220239089
2022-07-28

Sample time offset alignment of electric power system samples independent of a common time source

#122
20220229102
2022-07-21

ELECTRICAL ARC FLASH MITIGATION SYSTEM

#123
20220216687
2022-07-07

Apparatus, systems and methods for performing ground fault self-testing

#124
20220216684
2022-07-07

Device for detecting an electric arc in an electronic assembly using a modified pierce oscillator

#125
20220209525
2022-06-30

Secure and dependable restricted earth fault protection for electric power generators and transformers

#126
20220209523
2022-06-30

Leakage current blocking circuit and leakage current blocking method for decoupling capacitor

#127
20220200477
2022-06-23

Fault clearing in midpoint grounded systems

#128
20220200273
2022-06-23

Disconnection of a string carrying direct current power

#129
20220200264
2022-06-23

Communication controller short protection

#130
20220200263
2022-06-23

Short-circuit mitigation device

#131
20220173608
2022-06-02

Dual-source facility power system

#132
20220170977
2022-06-02

Locating a ground fault in a DC network

#133
20220149611
2022-05-12

Leakage current based remote monitoring device and method for disconnector devices

#134
20220146595
2022-05-12

Detection of a ground fault in a direct-current network

#135
20220146594
2022-05-12

Locating a ground fault in a DC system

#136
20220140644
2022-05-05

Solar Energy System with Variable Priority Circuit Backup

#137
20220140593
2022-05-05

Signal sampling circuit for arc detection

#138
20220131362
2022-04-28

Ground fault circuit interrupter using frequency recognition and measurement

#139
20220115984
2022-04-14

Photovoltaic panel circuitry

#140
20220094152
2022-03-24

Apparatus and method for operating electric power network

#141
20220091172
2022-03-24

Arc fault detection device with wideband sensor

#142
20220085593
2022-03-17

Arc fault circuit interrupter (AFCI) with arc signature detection

#143
20220045497
2022-02-10

Load center that reduces trip time during short circuit faults

#144
20220037084
2022-02-03

System and method for differential protection under geomagnetically induced current

#145
20220020551
2022-01-20

SPECIAL-PURPOSE GROUND FAULT CIRCUIT BREAKER

#146
20220014010
2022-01-13

Ground fault circuit interrupter with leakage protection module and self-test module

#147
20220006279
2022-01-06

Arc detection system and method for an aircraft high voltage and direct current electrical circuit

#148
20210408781
2021-12-30

Ground fault protection method and apparatus for photovoltaic station output transmission line

#149
20210366679
2021-11-25

Circuit breaker with plug-on connector

#150
20210344189
2021-11-04

Squib diver circuit for a deployable restraint including an integrated circuit and a voltage regulator

#151
20210341547
2021-11-04

Systems and methods for ground fault detection

#152
20210320493
2021-10-14

Electric safety circuit

#153
20210313790
2021-10-07

Ground fault control for multiple ground paths

#154
20210313123
2021-10-07

Automatic balance apparatus with double-moving-contact spring leaf

#155
20210305803
2021-09-30

LEAKAGE PROTECTION SWITCH

#156
20210296880
2021-09-23

Timing leakage protection circuit and device containing same

#157
20210278453
2021-09-09

Nuisance arc fault circuit interrupter (AFCI) circuit breaker tripping diagnostic tool

#158
20210270901
2021-09-02

Tester for a frequency-dependent ground fault interrupt wiring device

#159
20210265832
2021-08-26

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

#160
20210249854
2021-08-12

Apparatus for limiting voltage for a DC voltage network

#161
20210239770
2021-08-05

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

#162
20210226389
2021-07-22

Ground fault circuit interrupters and connectors for use with same

#163
20210225606
2021-07-22

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

#164
20210210299
2021-07-08

Self-test mechanisms for end-of-life detection and response for circuit interrupter devices

#165
20210199706
2021-07-01

Load state detection circuit and method

#166
20210194247
2021-06-24

Monitoring of a high-voltage DC transmission

#167
20210159690
2021-05-27

Ground fault circuit breaker with remote testing capability

#168
20210125754
2021-04-29

LCDI power cord system and method

#169
20210125753
2021-04-29

LCDI power cord system and method

#170
20210119436
2021-04-22

Electrical device with power quality event protection and associated method

#171
20210072293
2021-03-11

Differential current sensing bussing method

#172
20210063494
2021-03-04

Ground fault detector and power conditioner with input-side ground fault detection

#173
20210041507
2021-02-11

Ground fault detection

#174
20210038283
2021-02-11

Methods of ensuring pulsed field ablation generator system electrical safety

#175
20210036504
2021-02-04

Power interruption method and device based on phase measurement and arc detection of power level

#176
20210028616
2021-01-28

Leakage protection circuit, leakage protection method and load driving circuit

#177
20210006060
2021-01-07

Intelligent leakage current detection and interruption device for power cord

#178
20200412165
2020-12-31

Transformerless DC to AC converter using selectively series-connected capacitors and PWM

#179
20200411268
2020-12-31

Hybrid arc/ground fault circuit interrupter and methods of operation thereof

#180
20200408825
2020-12-31

Electrical continuity detection system

#181
20200400728
2020-12-24

System and method of identifying path of residual current flow through an intelligent power strip

#182
20200393520
2020-12-17

Intelligent leakage current detection and interruption device for power cord

#183
20200389164
2020-12-10

Driving apparatus and switching apparatus

#184
20200381913
2020-12-03

Inductive load control device

#185
20200371166
2020-11-26

Fault detection circuit and related methods

#186
20200366084
2020-11-19

Abnormal impedance fault isolation

#187
20200366083
2020-11-19

Leakage current detection and interruption device for power cord

#188
20200353834
2020-11-12

Vehicle ground fault detection

#189
20200326365
2020-10-15

Arc fault detection unit

#190
20200303916
2020-09-24

Communication controller short protection

#191
20200292628
2020-09-17

Power pedestal, ground fault indication system, and printed circuit board assembly therefor

#192
20200278401
2020-09-03

Integrated earth leakage current detector and breaker circuit

#193
20200264234
2020-08-20

Apparatuses and methods for passive fault monitoring of current sensing devices in protective circuit interrupters

#194
20200249264
2020-08-06

Integrated circuit having insulation monitoring with frequency discrimination

#195
20200217883
2020-07-09

Earth leakage circuit breaker capable of outputting type of leakage current and method of controlling the same

#196
20200195005
2020-06-18

Ground overcurrent control system and methods of using same

#197
20200194992
2020-06-18

Method for localising an earth fault of a fire protection system

#198
20200185902
2020-06-11

Low cost high frequency sensor for arc-fault detection

#199
20200166558
2020-05-28

Location of a ground fault in an IT network

#200
20200166557
2020-05-28

Systems and methods for ground fault detection in power systems using communication network

#201
20200161849
2020-05-21

Ground fault circuit interrupter using frequency recognition and measurement

#202
20200146112
2020-05-07

Systems and methods for passive heating of temperature-sensitive electronic components

#203
20200136428
2020-04-30

Remote power unit, direct current power system and direct current power system fault detection method

#204
20200119541
2020-04-16

Device, system and method for electrical arc suppression on a power rail

#205
20200119540
2020-04-16

USB short circuit protection

#206
20200103455
2020-04-02

Secure distance protection of electric power delivery systems under transient conditions

#207
20200088778
2020-03-19

Load state detection circuit and method

#208
20200059166
2020-02-20

Safety shut-down system for a solar energy installation

#209
20200044434
2020-02-06

Arc fault circuit interrupter (AFCI) with arc signature detection

#210
20200041567
2020-02-06

Ground fault interrupter self test circuits and related methods

#211
20200041559
2020-02-06

System and method for ground fault detection

#212
20200028447
2020-01-23

Multi-level DC to AC inverter

#213
20200014188
2020-01-09

Arc detection circuit, switch system, power conditioner system and arc detection method

#214
20190393834
2019-12-26

Photovoltaic panel circuitry

#215
20190393695
2019-12-26

Method for controlling a leakage current protection device in a photovoltaic apparatus

#216
20190356127
2019-11-21

Arc fault circuit interrupter

#217
20190348238
2019-11-14

Electrical DC switching system

#218
20190312424
2019-10-10

Apparatus for mitigation of adverse effects of geomagnetically induced currents on transformers

#219
20190305541
2019-10-03

Circuit interrupter with self-test circuit and method of operating a circuit interrupter

#220
20190296539
2019-09-26

DC electrical circuit protection apparatus and ARC detection method

#221
20190288502
2019-09-19

Monitor device, ground fault protection circuit and techniques

#222
20190285668
2019-09-19

Multiple core transformer assembly

#223
20190273375
2019-09-05

Safety shutoff system for photovoltaic modules

#224
20190265292
2019-08-29

Integrated circuit having insulation breakdown detection

#225
20190260197
2019-08-22

Control device

#226
20190260195
2019-08-22

METHOD FOR DISTINGUISHING AN ARC FROM A LUMINOUS GAS CONTAINING AT LEAST METAL VAPOR

#227
20190246527
2019-08-08

Integrated air cooling and arc resistant system for medium voltage drive

#228
20190228925
2019-07-25

Electrical circuit breaker assembly

#229
20190208375
2019-07-04

GFI tripped-circuit detection and notification system

#230
20190190515
2019-06-20

Squib circuit high side ground short protection

#231
20190190251
2019-06-20

Circuit breaker for DC circuits using coupled induction

#232
20190190250
2019-06-20

Squib circuit low side battery short protection

#233
20190190249
2019-06-20

Voltage regulator for a squib driver circuit

#234
20190184835
2019-06-20

Hazardous voltage interlock loop system

#235
20190181630
2019-06-13

External power feed system and electric leak detection method therefor

#236
20190162770
2019-05-30

Electric leakage detection device

#237
20190154746
2019-05-23

Noise generation circuit, self-checking circuit, AFCI, and photovoltaic power generation system

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20190148929
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