ClassID:

216687

H02H3/093 - 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 excess current with timing means

Sub-classes:
Recent Application in this class:
#1
20260135399
2026-05-14

OVERCURRENT PROTECTION METHOD FOR A BATTERY PACK AND POWER TOOL SYSTEM

#2
20260112850
2026-04-23

DC SOCKET AND POWER SUPPLY DEVICE

#3
20260088603
2026-03-26

PROTECTIVE DEVICES AND METHODS FOR PROTECTION AGAINST ELECTRIC SHOCK IN A POWER SUPPLY SYSTEM HAVING MULTIPLE POWER SOURCES

#4
20260074533
2026-03-12

APPARATUS AND METHOD FOR CONTROLLING MAIN LINE SWITCH

#5
20250373001
2025-12-04

METHOD AND APPARATUS FOR PROPER RECOGNITION OF OVERLOAD CONDITION IN A POWER DEVICE

#6
20250357744
2025-11-20

CONTROL DEVICE, PUMP UNIT, AND REFRIGERANT CIRCULATION DEVICE

#7
20250357740
2025-11-20

HIGH-SPEED FAULT ISOLATION FOR POWER SOURCES OF A VEHICLE

#8
20250337256
2025-10-30

PROTECTIVE APPARATUS, ENERGY STORAGE APPARATUS, AND METHOD FOR PROTECTING ENERGY STORAGE DEVICE

#9
20250210964
2025-06-26

SYSTEM AND METHOD FOR OVERCURRENT PROTECTION USING DYNAMIC TRIP CURVE EVALUATION

#10
20250183649
2025-06-05

PROGRAMMABLE POWER DISSIPATION-CONTROLLED ELECTRONIC CIRCUIT BREAKER FOR HIGH VOLTAGE DISTRIBUTION

#11
20250105614
2025-03-27

SOLID STATE CIRCUIT BREAKER

#12
20250070543
2025-02-27

OVERCURRENT PROTECTION CIRCUIT

#13
20250038520
2025-01-30

SMART GRID INTERFACE RELAY AND BREAKER

#14
20240388080
2024-11-21

SOLID STATE CIRCUIT BREAKER AND CONTROL METHOD THEREFOR

#15
20240243567
2024-07-18

ACTIVE TURN OFF CONTROL GATE DRIVER FOR SOLID STATE CIRCUIT BREAKER

#16
20240195168
2024-06-13

METHOD AND CONTROL CIRCUIT FOR OPERATING A SWITCHING ELEMENT OF AN ELECTRICAL COMPONENT IN ORDER TO AVOID OVERHEATING BY ELECTRICAL DISSIPATED HEAT, AND AN ELECTRICAL COMPONENT HAVING THE CONTROL CIRCUIT

#17
20240186785
2024-06-06

Methods and apparatus for battery current monitoring

#18
20240154403
2024-05-09

Smart grid interface relay and breaker

#19
20240114655
2024-04-04

CONTROL DEVICE, PUMP UNIT, AND REFRIGERANT CIRCULATION DEVICE

#20
20240097428
2024-03-21

CIRCUIT BREAKER

#21
20240079867
2024-03-07

MULTI-FUNCTION CONTROL CIRCUIT AND PRE-CIRCUIT CONFIGURATION

#22
20240071704
2024-02-29

Fault current detection for solid-state circuit breakers and method of operating solid-state circuit breakers

#23
20240039268
2024-02-01

Overcurrent protection circuit

#24
20230396026
2023-12-07

OUTLET IN-RUSH CURRENT LIMITER FOR INTELLIGENT POWER STRIP

#25
20230253167
2023-08-10

Arc detection system, arc detection method, and recording medium

#26
20230216289
2023-07-06

Overcurrent protection circuit

#27
20230198244
2023-06-22

Smart grid interface relay and breaker

#28
20230198242
2023-06-22

Methods and apparatus for battery current monitoring

#29
20230111809
2023-04-13

Optimized transformer protection

#30
20230065662
2023-03-02

Systems for detecting failures or faults in power conversion equipment

#31
20230053720
2023-02-23

Semiconductor module

#32
20230016546
2023-01-19

Control apparatus and switching apparatus for short circuit protection

#33
20220416531
2022-12-29

Overcurrent protection circuit, overcurrent protection method, clock signal generation circuit and display device

#34
20220407304
2022-12-22

Configurable circuit protector with pre-programmed field deployable adaptor

#35
20220392726
2022-12-08

Protection system, photovoltaic system, and protection method

#36
20220352841
2022-11-03

Apparatus for switching and protection of a load based on current rise speed

#37
20220255308
2022-08-11

Apparatus for protecting and controlling an electrical load

#38
20220250481
2022-08-11

Power cutoff device

#39
20220216863
2022-07-07

Semiconductor device

#40
20220216686
2022-07-07

Systems and methods for input overcurrent protection

#41
20220216685
2022-07-07

Systems and methods for input overcurrent protection

#42
20220200307
2022-06-23

PROTECTIVE APPARATUS, ENERGY STORAGE APPARATUS, AND METHOD FOR PROTECTING ENERGY STORAGE DEVICE

#43
20220200262
2022-06-23

Circuit breaker for breaking an electrical circuit

#44
20220190586
2022-06-16

Method and apparatus for protecting an electrical load

#45
20220173585
2022-06-02

Load control apparatus, automation system, electrical load, busbar system and fuse housing

#46
20220166213
2022-05-26

Intelligent switch device and power generation system

#47
20220140769
2022-05-05

Motor control apparatus for controlling a power supply to an electrical motor

#48
20220115863
2022-04-14

Static DC current-limiting switching system

#49
20220065949
2022-03-03

Integrating memory dropout timer

#50
20220056877
2022-02-24

Ignition overcurrent protection device, starting power equipment and ignition overcurrent protection method

#51
20220038089
2022-02-03

Method and switching circuit for connecting and disconnecting current to a load having inductance

#52
20220037872
2022-02-03

Overcurrent protection circuit

#53
20220014009
2022-01-13

Short protection circuit with a hiccup protection mode and the method thereof

#54
20210273441
2021-09-02

Device circuit breaker having intelligent limit value determination and method therefor

#55
20210184450
2021-06-17

Auto wire-size detection in branch circuit breakers

#56
20210175705
2021-06-10

Fault current controller for a direct current power grid

#57
20210140667
2021-05-13

Transmission device, air-conditioning apparatus, and air-conditioning system

#58
20210098982
2021-04-01

SHORT-CIRCUIT PROTECTION SOLUTION FOR POWER DEVICES

#59
20210075206
2021-03-11

Device, battery and method for spark detection based on transient currents

#60
20200403393
2020-12-24

Overcurrent protection circuit

#61
20200335963
2020-10-22

Galvanic isolation for relay device

#62
20200335961
2020-10-22

Systems and methods for extending fault timer to prevent overcurrent protection shutdown during powering on of information handling system

#63
20200328587
2020-10-15

Methods and apparatus for battery current monitoring

#64
20200176968
2020-06-04

POWER DISTRIBUTION UNIT WITH AGGREGATE CURRENT CONTROL

#65
20200153230
2020-05-14

Systems and methods for input overcurrent protection

#66
20200067300
2020-02-27

Overcurrent protection circuit, overcurrent protection method, and display device

#67
20200059083
2020-02-20

Overcurrent protection circuit and method thereof for USB with a power delivery function

#68
20200014198
2020-01-09

Directional overcurrent relay using superconducting fault current limiter voltage and method for correcting the same

#69
20190372330
2019-12-05

Method of coordinating and incorporating an electrical transformer station breaker's low-set relay with a recloser in an electric power distribution line with a fuse-saving scheme

#70
20190341764
2019-11-07

Low-voltage protection device

#71
20190338970
2019-11-07

Control device with current protected solid state relays

#72
20190296656
2019-09-26

Inverter module having multiple half-bridge modules for a power converter of an electric vehicle

#73
20190296655
2019-09-26

Inverter module having multiple half-bridge modules for a power converter of an electric vehicle

#74
20190267791
2019-08-29

Two-transistor devices for protecting circuits from sustained overcurrent

#75
20190148928
2019-05-16

Electrical link comprising an electrical protection device

#76
20190123541
2019-04-25

Overcurrent protection circuit

#77
20190107859
2019-04-11

Energy supply apparatus

#78
20190103742
2019-04-04

Solid-state circuit interrupter and arc inhibitor

#79
20190067930
2019-02-28

Galvanic isolation for relay device

#80
20190067929
2019-02-28

Circuit breaker and method for emitting a warning upon a threshold being exceeded

#81
20190058319
2019-02-21

Power supply control apparatus

#82
20190036324
2019-01-31

Circuit interrupter with temperature compensation and method of operating a circuit interrupter

#83
20190020268
2019-01-17

Power supply apparatus and image forming apparatus controlling switching elements based on detection of a malfunction

#84
20190013670
2019-01-10

Smart dim fuse: electrical load flexibility controller using sub-circuit voltage modulation and load sensing

#85
20180373282
2018-12-27

Automatically restarting a voltage foldback circuit

#86
20180366946
2018-12-20

Arc mitigation in electrical power distribution system

#87
20180358800
2018-12-13

Power supply control apparatus

#88
20180323607
2018-11-08

Methods and apparatus for battery current monitoring

#89
20180287546
2018-10-04

Overcurrent protection device and drive device having overcurrent protection device

#90
20180212526
2018-07-26

Isolated switching mode power supply with message control between SR and primary side, and control method thereof

#91
20180188765
2018-07-05

Smart power monitoring for welding and cutting apparatus

#92
20180149381
2018-05-31

Control device with bulk heating compensation

#93
20180106489
2018-04-19

Control device with current protected solid state relays

#94
20180076612
2018-03-15

External DC overcurrent electronic trip unit for circuit breaker

#95
20180062372
2018-03-01

Arc detection apparatus using electrical energy

#96
20180054051
2018-02-22

Protection method for protecting a generator or power station unit and protective device for carrying out such a method

#97
20180048143
2018-02-15

Circuit interrupter with reset mechanism

#98
20180041022
2018-02-08

Load current control apparatus

#99
20180034260
2018-02-01

Power distribution system for connection to an AC voltage network

#100
20170310239
2017-10-26

Cascaded H-bridge inverter and method for handling fault thereof

#101
20170294773
2017-10-12

Electronic switching and protection circuit with test mode function

#102
20170187179
2017-06-29

JUNCTION BOX

#103
20170149234
2017-05-25

Device for detecting overcurrent

#104
20170142795
2017-05-18

Phase control dimmer circuit with short-circuit protection

#105
20170093145
2017-03-30

Semiconductor device

#106
20170092448
2017-03-30

Control apparatus for relay and controlling method thereof

#107
20170025892
2017-01-26

Smart power node

#108
20170025845
2017-01-26

Protective device and protective system for electrical circuits, and method for controlling the protective system

#109
20170025844
2017-01-26

Two-transistor devices for protecting circuits from sustained overcurrent

#110
20160380451
2016-12-29

Overcurrent protection circuit and method for limiting discharge current of battery within safety limiting value

#111
20160379789
2016-12-29

Circuit breaker with current limiting and high speed fault capability

#112
20160248245
2016-08-25

Method for controlling trip event of inverter

#113
20160248243
2016-08-25

Switch drive circuit

#114
20160202321
2016-07-14

Arc-fault and ground fault interrupter using a single ground fault sensor and single ADC

#115
20160181785
2016-06-23

Delay circuit for circuit interrupting device

#116
20160149390
2016-05-26

Secure and dependable differential protection for electric power generators

#117
20160139644
2016-05-19

Selective event reaction processing in power control

#118
20160126718
2016-05-05

Semiconductor device

#119
20160079748
2016-03-17

Over-current protection circuit and method

#120
20150380924
2015-12-31

Overcurrent detection circuit, host using the same, and method of detecting overcurrent

#121
20150370274
2015-12-24

Power delivery system with mitigation for radiation induced single event latch-up in microelectronic devices

#122
20150369854
2015-12-24

Circuit and method for detecting short circuit failure of a switching transistor

#123
20150311692
2015-10-29

Drive protection circuit, semiconductor module, and automobile

#124
20150295395
2015-10-15

Interruption of a current

#125
20150288165
2015-10-08

Fault detection and zone location system

#126
20150280418
2015-10-01

Low fault current isolator system

#127
20150270697
2015-09-24

Self supplied protection relay with a module to boost performance

#128
20150270653
2015-09-24

Low fault current isolator system

#129
20150244165
2015-08-27

Battery energy storage system with arc flash protection, energy conversion system and protection method

#130
20150200536
2015-07-16

Boost converter with short-circuit protection and method thereof

#131
20150194800
2015-07-09

Method of protecting a gate driver circuit and display apparatus performing the method

#132
20150146327
2015-05-28

Adaptive fault clearing based on power transistor temperature

#133
20150138684
2015-05-21

Power off device for cutting off supply of electric power through sensing of various arc and overload

#134
20150130567
2015-05-14

Overcurrent relay and molded case circuit breaker with the same

#135
20150130424
2015-05-14

Battery pack and protection method using the same

#136
20150130295
2015-05-14

Electronic circuit arrangement

#137
20150107934
2015-04-23

Power supply current monitoring device

#138
20150092304
2015-04-02

Device and method for protection from an electric arc

#139
20150084424
2015-03-26

Energy supply module as a two-port network, use of a separating device in such an energy supply module, and method for operating such an energy supply module

#140
20150061692
2015-03-05

Devices and methods for providing an impulse circuit

#141
20150016002
2015-01-15

Power battery assembly and electric vehicle comprising the same

#142
20150009597
2015-01-08

Electronic fuse circuit and method of controlling the same

#143
20140376273
2014-12-25

Overcurrent protection circuit for a switching power supply apparatus

#144
20140376132
2014-12-25

System and method to interrupt a DC current in a high voltage circuit by use of an AC circuit breaker

#145
20140375294
2014-12-25

Power supply module and soft start method

#146
20140362486
2014-12-11

Low fault current isolator system

#147
20140340800
2014-11-20

Circuit breaker trip unit with digital potentiometer

#148
20140307358
2014-10-16

Battery circuit fault protection in uninterruptable power sources

#149
20140277804
2014-09-18

Recloser device and method of operation

#150
20140268459
2014-09-18

Methods and apparatus for dynamically adjusting an over-current protection threshold

#151
20140211352
2014-07-31

Protection apparatus and control method for the same

#152
20140118001
2014-05-01

Fault current detecting circuit

#153
20130329330
2013-12-12

In-rush current limiter and method for stowable and carry-on devices

#154
20130321966
2013-12-05

Overcurrent protection device and method of operating a power switch

#155
20130321965
2013-12-05

Residual-current circuit breaker

#156
20130285671
2013-10-31

Method and apparatus for protecting power transformers from large electro-magnetic disturbances

#157
20130222960
2013-08-29

Over current protection apparatus

#158
20130135780
2013-05-30

Protective device with metering and oscillography

#159
20130128403
2013-05-23

Delay protection circuit and electronic device employing the same

#160
20130100566
2013-04-25

Power supply device

#161
20130088803
2013-04-11

POWER SUPPLY APPARATUS

#162
20130088799
2013-04-11

Asset condition monitoring in an electric motor

#163
20130070379
2013-03-21

POWER REGULATOR WITH OVER CURRENT PROTECTION AND CONTROL CIRCUIT THEREOF AND METHOD OF OVER CURRENT PROTECTION

#164
20130050880
2013-02-28

Solid state power controller for high voltage direct current systems

#165
20130021707
2013-01-24

Protection coordination system

#166
20130003240
2013-01-03

Composition of a desired trip curve

#167
20120327542
2012-12-27

Power source protection circuit including over-voltage protector and over-current protector

#168
20120286729
2012-11-15

Electric vehicle supply equipment with over-current protection

#169
20120212231
2012-08-23

Switching device

#170
20120162841
2012-06-28

Protection circuit and protection method thereof

#171
20120153928
2012-06-21

Power controller system

#172
20120140370
2012-06-07

Protection Circuit and Protection Method

#173
20120127621
2012-05-24

CIRCUIT PROTECTION APPARATUS FOR PHOTOVOLTAIC POWER GENERATION SYSTEMS

#174
20120092802
2012-04-19

Circuit breaker trip unit with digital potentiometer

#175
20120019971
2012-01-26

Controller circuit including a switch mode power converter and automatic recloser using the same

#176
20120014025
2012-01-19

OVERCURRENT PROTECTION CIRCUIT AND SEMICONDUCTOR DEVICE

#177
20110193345
2011-08-11

Wind turbine generator

#178
20110125339
2011-05-26

Protection arrangement for an electrical power distribution network

#179
20110075307
2011-03-31

Overcurrent protection circuit and in-vehicle display device

#180
20100328831
2010-12-30

Method and circuit for over-current protection

#181
20100302698
2010-12-02

Overcurrent protection circuit and method of protecting power supply circuit

#182
20100110599
2010-05-06

Overcurrent protection apparatus

#183
20100085674
2010-04-08

Hardware based over-current protection circuitry for power distribution systems

#184
20100073831
2010-03-25

Protective device with metering and oscillography

#185
20090323242
2009-12-31

Disconnector and overvoltage protection device

#186
20090135531
2009-05-28

Overcurrent protection circuit, load driving device, motor driving device, electric appliance, power supply device

#187
20090122454
2009-05-14

Augmentation of ambient temperature and free convection effects in thermal circuit breaker trip curve approximations

#188
20090097179
2009-04-16

Over current protection method for a power supply and apparatus thereof

#189
20090027814
2009-01-29

Electronic tripping unit for a motor-circuit breaker of an electric motor

#190
20080218924
2008-09-11

Low level voltage programmable logic control

#191
20080204948
2008-08-28

Overload protection system for an electromagnetic lift

#192
20080174928
2008-07-24

SSPC technology incorporated with thermal memory effects to achieve the fuse curve coordination

#193
20080080115
2008-04-03

Hardware based over-current protection circuitry for power distribution systems

#194
20080043392
2008-02-21

Electricity limit protection switch device

#195
20070183111
2007-08-09

Electrical switching apparatus, power distribution system, and method employing breakpoint trip

#196
20070070561
2007-03-29

Method and a control system for starting a motor for driving a compressor

#197
20070024380
2007-02-01

Apparatus and method for emulating a component in a circuit

#198
20070014056
2007-01-18

Method and a control system for starting a motor

#199
20060291121
2006-12-28

Device and a method for advanced protection from short circuit current

#200
20060187604
2006-08-24

Overcurrent detecting device

#201
20060176634
2006-08-10

Current-limiting protection circuit for a power supply

#202
20060133001
2006-06-22

Protection circuit

#203
20060082944
2006-04-20

Robot overcurrent prevention system

#204
20060023383
2006-02-02

Electronic circuit protection device with It or other function

#205
20060012931
2006-01-19

Three-pole circuit interrupter

#206
20050162788
2005-07-28

Differential protection device with simplified protection parameter adjustment means

#207
17547697
2022-11-15

Circuit protection apparatus, snubber circuit, and method of operating circuit protection apparatus