ClassID:

216677

H02H3/05 - 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; Details with means for increasing reliability, e.g. redundancy arrangements

Recent Application in this class:
#1
20260121398
2026-04-30

Leakage Protection Circuit, Electrical Equipment, and Leakage Protection Method

#2
20260121395
2026-04-30

SERVER OVERCURRENT PROTECTION CIRCUIT AND METHOD, SERVER, AND NON-VOLATILE COMPUTER READABLE STORAGE MEDIUM

#3
20260106443
2026-04-16

ELECTRICAL ASSEMBLY

#4
20260049848
2026-02-19

CONTACT-LESS LINEAR DISPLACEMENT MEASUREMENT PCB SYSTEM FOR ELECTRICAL PROTECTIVE DEVICES

#5
20260039105
2026-02-05

SOLID-STATE CIRCUIT BREAKER CONFIGURED WITH AT LEAST ONE FAIL-OPEN MECHANISM AND PROCESS OF IMPLEMENTING THE SAME

#6
20260031295
2026-01-29

SEMICONDUCTOR DC BREAKER AND SEMICONDUCTOR MODULE

#7
20260018881
2026-01-15

ELECTROSTATIC DISCHARGE CIRCUIT

#8
20250293507
2025-09-18

OVERVOLTAGE PROTECTION SYSTEM

#9
20250273416
2025-08-28

SOLID STATE HYBRID CIRCUIT BREAKER TOPOLOGY USING DUAL ULTRAFAST OPENING CONTACTS

#10
20250226648
2025-07-10

BACKUP PROTECTION METHOD

#11
20250202220
2025-06-19

Method for Interrupting a Circuit Breaker

#12
20250167537
2025-05-22

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

#13
20250141203
2025-05-01

Electronic Circuit Arrangement for Current Limitation

#14
20250123338
2025-04-17

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

#15
20250105614
2025-03-27

SOLID STATE CIRCUIT BREAKER

#16
20250105613
2025-03-27

HYBRID CIRCUIT BREAKER AND PRE-CHARGE CONTROL METHOD

#17
20250087988
2025-03-13

DEVICE HAVING REDUNDANT POWER SUPPLY LINES

#18
20250079823
2025-03-06

SUBSTRATE PARASITE REDUCTION TECHNIQUE

#19
20250054719
2025-02-13

Fuse Component With Electronic Circuit Breaker and Fuse Wire

#20
20250023453
2025-01-16

POWER SUPPLY DEVICE

#21
20250007270
2025-01-02

Ultra-Efficient And Self-Healing Solid State Circuit Breaker

#22
20240426911
2024-12-26

TESTER FOR A FREQUENCY-DEPENDENT GROUND FAULT INTERRUPT WIRING DEVICE

#23
20240413629
2024-12-12

VOLTAGE SELECTION CONTROL SCHEME FOR SYNCHRONISM CHECK IN DIGITAL SUBSTATIONS

#24
20240345141
2024-10-17

MONITORING ASSEMBLY AND SYSTEM HAVING A MONITORING ASSEMBLY

#25
20240304077
2024-09-12

DETECTION CIRCUIT AND SYSTEM FOR DETECTING DETECTOR REMOVAL FAILURE

#26
20240291262
2024-08-29

Overvoltage Protection Circuitry for an Electrical Device

#27
20240275264
2024-08-15

CIRCUIT ARRANGEMENT AND ELECTRICAL SYSTEM

#28
20240213761
2024-06-27

CIRCUIT PROTECTION DEVICE FOR AUTOMATICALLY MONITORING OPERATION FAULTS

#29
20240178650
2024-05-30

CONTACTOR, AN INTEGRATED CIRCUIT, A METHOD OF INTERRUPTING A CURRENT FLOW

#30
20240097426
2024-03-21

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

#31
20240087761
2024-03-14

NUCLEAR REACTOR PROTECTION SYSTEMS AND METHODS

#32
20240063627
2024-02-22

Current Sharing Apparatus and Control Method

#33
20240055197
2024-02-15

PROTECTIVE SWITCHING DEVICE AND METHOD

#34
20240047962
2024-02-08

CIRCUIT-BREAKER DEVICE AND METHOD

#35
20240047961
2024-02-08

CIRCUIT BREAKER DEVICE AND METHOD

#36
20240047960
2024-02-08

CIRCUIT BREAKER DEVICE AND METHOD

#37
20240047958
2024-02-08

CIRCUIT BREAKER DEVICE AND METHOD

#38
20240047957
2024-02-08

Circuit breaker device and method

#39
20240030697
2024-01-25

Solid state circuit interrupter with solid state interlocking mechanism

#40
20230387679
2023-11-30

PROTECTION METHOD AND PROTECTION SYSTEM OF SHIP'S POWER DISTRIBUTION SYSTEM

#41
20230353089
2023-11-02

Solar power generation system

#42
20230299579
2023-09-21

BIPOLAR PHOTOVOLTAIC SYSTEM, POWER SUPPLY SYSTEM, AND REDUNDANCY PROTECTION METHOD

#43
20230290527
2023-09-14

NUCLEAR REACTOR PROTECTION SYSTEMS AND METHODS

#44
20230275420
2023-08-31

Voltage converter having overvoltage protection

#45
20230216291
2023-07-06

Solid insulated switch

#46
20230155364
2023-05-18

Power source and method for providing an activating current

#47
20230078897
2023-03-16

Switchable pyro fuse

#48
20220352841
2022-11-03

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

#49
20220320848
2022-10-06

Power source control device, power source control method, and non-transitory computer-readable recording medium recorded with power source control program

#50
20220294205
2022-09-15

Programmable overcurrent protection for a switch

#51
20220278520
2022-09-01

Contactor, an integrated circuit, a method of interrupting a current flow

#52
20220278519
2022-09-01

Solid state circuit interrupter with solid state interlocking mechanism

#53
20220277911
2022-09-01

Control system for an electrical apparatus

#54
20220255308
2022-08-11

Apparatus for protecting and controlling an electrical load

#55
20220239089
2022-07-28

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

#56
20220216024
2022-07-07

Circuit breaker system

#57
20220206451
2022-06-30

SYSTEM HAVING A CONTROLLER AND HAVING AN ACTUATOR AND ALSO HAVING AN ASSEMBLY FOR PROVIDING FUNCTIONAL SAFETY

#58
20220190586
2022-06-16

Method and apparatus for protecting an electrical load

#59
20220173585
2022-06-02

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

#60
20220140769
2022-05-05

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

#61
20220131361
2022-04-28

Surge protection device with protection level determination and methods of operating the same

#62
20220102959
2022-03-31

Testing device, overcurrent protector, and method of testing an overcurrent protector

#63
20220050141
2022-02-17

CONTACT MONITORING UNIT FOR A SAFETY-CRITICAL TRIGGERING APPARATUS OF A SWITCHING DEVICE

#64
20220014010
2022-01-13

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

#65
20220011762
2022-01-13

High-voltage interlock device and fault detection method thereof

#66
20210351581
2021-11-11

Contactor control apparatus and power supply system

#67
20210351580
2021-11-11

POWER ADAPTER AND ELECTRONIC DEVICE

#68
20210313893
2021-10-07

Switching module

#69
20210287813
2021-09-16

Nuclear reactor protection systems and methods

#70
20210270901
2021-09-02

Tester for a frequency-dependent ground fault interrupt wiring device

#71
20210249864
2021-08-12

HVDC TRANSMISSION SCHEMES

#72
20210226437
2021-07-22

Solid state circuit interrupter with solid state interlocking mechanism

#73
20210210225
2021-07-08

Nuclear reactor protection systems and methods

#74
20210184451
2021-06-17

Programmable overcurrent protection for a switch

#75
20210159689
2021-05-27

Automated self testing of power grid transformer protection systems

#76
20210104372
2021-04-08

Three phase surge protection device

#77
20210075208
2021-03-11

Double incoming breaker system for power system of power plant

#78
20210075206
2021-03-11

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

#79
20210036503
2021-02-04

Intermediate relay maloperation preventing device and method based on improved recursive wavelet algorithm

#80
20200403396
2020-12-24

Hybrid circuit breaker assembly

#81
20200373921
2020-11-26

Switching apparatus

#82
20200373750
2020-11-26

Protection assistance device of multiple circuit breakers in low-voltage system

#83
20200366083
2020-11-19

Leakage current detection and interruption device for power cord

#84
20200350757
2020-11-05

Ground fault circuit interrupter with self test

#85
20200343009
2020-10-29

Nuclear reactor protection systems and methods

#86
20200259321
2020-08-13

Relay failure diagnosis circuit

#87
20200244059
2020-07-30

Single-phase equipotential self-powered low-cost easy-to-install recloser

#88
20200235664
2020-07-23

Power supply device, power control apparatus, and relay determination method for power supply device

#89
20200212665
2020-07-02

System for field replaceable surge protection

#90
20200177072
2020-06-04

Apparatus and method for monitoring a safety function of a machine or technical installation

#91
20200176971
2020-06-04

Methods for detecting an imminent power failure in time to protect local design state

#92
20190319445
2019-10-17

Programmable overcurrent protection for a switch

#93
20190312423
2019-10-10

LOW-VOLTAGE PROTECTIVE DEVICE

#94
20190305541
2019-10-03

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

#95
20190273376
2019-09-05

DC power system segregated into different protection zones

#96
20190272167
2019-09-05

Protection and control system

#97
20190270382
2019-09-05

Method for controlling a charging device of a vehicle and charging device of a vehicle for charging an electrical energy storage device of the vehicle

#98
20190267800
2019-08-29

Redundant over-voltage protection/power distribution system for telecommunication systems

#99
20190237960
2019-08-01

Semiconductor current cutoff device including a semiconductor switch and a mechanical switch

#100
20190220600
2019-07-18

Electrical apparatus having a secured and an unsecured functional unit

#101
20190214812
2019-07-11

Method and apparatus for arranging fuses in a printed circuit board

#102
20190207377
2019-07-04

Systems and methods for script implemented logic for trigger for converting electromechanical relay outputs into fault indication for automatic restoration application

#103
20190207376
2019-07-04

SYSTEM AND METHOD FOR SWITCHING LINE SHORT-CIRCUIT FAULT SECTION IN INVERTER-BASED STAND-ALONE MICROGRID

#104
20190206649
2019-07-04

Remote power and operating device for a circuit breaker

#105
20190199082
2019-06-27

Disconnecting device

#106
20190190247
2019-06-20

Differential protection test method, differential protection device and electrical unit including such a device

#107
20190184835
2019-06-20

Hazardous voltage interlock loop system

#108
20190181629
2019-06-13

System and method for managing power consumption during a fault condition

#109
20190173313
2019-06-06

Isolated parallel UPS system with choke bypass switch

#110
20190173272
2019-06-06

Earth leakage circuit breaker

#111
20190173271
2019-06-06

Arc fault identification unit

#112
20190165560
2019-05-30

Method for generating a trip current for triggering an electrical protection element

#113
20190140438
2019-05-09

Fuse system for at least one load of a vehicle

#114
20190138071
2019-05-09

Hot plug module power supply device, method and system

#115
20190109451
2019-04-11

Circuit breaker failure protection relay and protection relay system

#116
20190097410
2019-03-28

Method and system for feeder protection in electrical power network

#117
20190089343
2019-03-21

MOS power transistors in parallel channel configuration

#118
20190074683
2019-03-07

Electrically-driven working apparatus and method for protecting battery of electrically-driven working apparatus

#119
20190050007
2019-02-14

Switch device

#120
20190029269
2019-01-31

Bypass circuit and wipe technique for contactor used to operate solid state relays that control heating elements

#121
20190020268
2019-01-17

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

#122
20190013664
2019-01-10

On-vehicle power source switch apparatus and control apparatus

#123
20180372800
2018-12-27

Device and method for testing the operation of a protection unit and protection unit comprising such a test device

#124
20180366937
2018-12-20

Coordinated reclosing in a power distribution system

#125
20180366936
2018-12-20

Hybrid diamond solid-state circuit protector

#126
20180366292
2018-12-20

Self-test GFCI device with dual solenoid coil electronic control

#127
20180358798
2018-12-13

Vehicle control device

#128
20180351349
2018-12-06

Solid state protection circuits for a converter circuit

#129
20180331531
2018-11-15

CIRCUIT BREAKER FOR A HIGH-VOLTAGE DC NETWORK, WITH FORCED OSCILLATION OF CURRENT

#130
20180323600
2018-11-08

Circuit breaker lockout subassemblies, and circuit breakers and methods including same

#131
20180321727
2018-11-08

Method and device for controlling operation of the power supply of a processing unit by making a periodic voltage comparison

#132
20180316180
2018-11-01

Methods for detecting an imminent power failure in time to protect local design state

#133
20180316178
2018-11-01

Black box apparatus for analyzing cause of arc interruption

#134
20180301895
2018-10-18

Direct current distance protection controllers

#135
20180301893
2018-10-18

Window control device for a vehicle and a method therefor

#136
20180284193
2018-10-04

Device and method for testing the switching state of a circuit breaker device

#137
20180278041
2018-09-27

Protective relay device

#138
20180261993
2018-09-13

Automated ground fault interruptor

#139
20180226796
2018-08-09

Method and system for improved operation of power grid components in the presence of direct current (DC)

#140
20180226789
2018-08-09

Back-up overload protection scheme for solid state controller

#141
20180205220
2018-07-19

Fault-tolerant solid state power controller

#142
20180204699
2018-07-19

Circuit interrupter including electronic trip unit and method of determining elapsed time of start-up process

#143
20180197705
2018-07-12

Control system for an electrical apparatus

#144
20180191151
2018-07-05

Method of detecting electrical disturbance by DC component

#145
20180188120
2018-07-05

Safety circuit, a safety circuit operation method and an electrically operated motor comprising a safety circuit

#146
20180175604
2018-06-21

Safety circuit arrangement for failsafe shutdown of an electrically driven installation

#147
20180159312
2018-06-07

Overtemperature protection

#148
20180145501
2018-05-24

Overcurrent protection apparatus

#149
20180145497
2018-05-24

METHOD TO UTILIZE MULTIPLE CONFIGURATION SOFTWARE FOR DF/CAFI BREAKERS

#150
20180137993
2018-05-17

Magnetic pulse inducted transfer-type DC circuit breaker

#151
20180088656
2018-03-29

Electrical power control and fault protection

#152
20180083435
2018-03-22

Automatic, highly reliable, fully redundant electronic circuit breaker that reduces or prevents short-circuit overcurrent

#153
20180076610
2018-03-15

Device and method for monitoring the activity of processing units in an electric trip switch

#154
20180069388
2018-03-08

Battery protection circuit and battery pack including same

#155
20180048141
2018-02-15

Power module

#156
20180034458
2018-02-01

Power supply device

#157
20180026623
2018-01-25

Solid state switch system

#158
20180013279
2018-01-11

High voltage cutoff for electrified vehicles

#159
20180006445
2018-01-04

System and method for fault interruption with MEMS switches

#160
20170365992
2017-12-21

Triple redundant digital protective relay and operating method therefor

#161
20170302064
2017-10-19

Enhanced parallel protection circuit

#162
20170201104
2017-07-13

Battery protection circuit

#163
20170194670
2017-07-06

Power tool and battery pack

#164
20170163022
2017-06-08

Bath safety control system and bath safety control method

#165
20170149234
2017-05-25

Device for detecting overcurrent

#166
20170141559
2017-05-18

Method and protection device for monitoring circuit breaker in an electrical power supply network

#167
20170125999
2017-05-04

Battery monitoring device

#168
20170054361
2017-02-23

Power supply unit

#169
20170045570
2017-02-16

Testing device, testing method, and program for power system protection control system

#170
20170033554
2017-02-02

Single event latchup (SEL) current surge mitigation

#171
20170033553
2017-02-02

Load restoration in a high or medium voltage substation

#172
20170032654
2017-02-02

Power failure monitoring device of digital protection relay

#173
20170025892
2017-01-26

Smart power node

#174
20170018920
2017-01-19

Switch box and overcurrent preventing method

#175
20160365719
2016-12-15

Power distribution systems and methods of monitoring zone selective interlocking in a power distribution system

#176
20160359422
2016-12-08

Method for detecting failure of soft start and variable frequency device

#177
20160336737
2016-11-17

Circuit breaking arrangement

#178
20160336735
2016-11-17

Power interrupting device

#179
20160334454
2016-11-17

Arc fault and ground fault interrupter using dual ADC

#180
20160329824
2016-11-10

Power conversion device with overvoltage suppression

#181
20160329703
2016-11-10

Redundant over-voltage protection/power distribution system for telecommunication systems

#182
20160315464
2016-10-27

Control device

#183
20160308582
2016-10-20

System for transmitting power and data

#184
20160254661
2016-09-01

Vehicle

#185
20160226235
2016-08-04

Transfer switch including management system and associated method

#186
20160185231
2016-06-30

System for controlling supply voltage of on-board electrical network of motor vehicle

#187
20160141129
2016-05-19

Residual current circuit breaker

#188
20160099560
2016-04-07

Circuit apparatus and electronic appliance

#189
20160094022
2016-03-31

Fail-safe device corresponding apparatus and vehicle

#190
20160064922
2016-03-03

Surge reduction filter

#191
20160020605
2016-01-21

Surge reduction filter

#192
20150380922
2015-12-31

Driving device and driving method

#193
20150340960
2015-11-26

Power conversion apparatus and method for analyzing for abnormality in power conversion apparatus having cutoff devices

#194
20150340854
2015-11-26

Safety switching device with a safe power supply unit

#195
20150318739
2015-11-05

Process bus associated protective control system, merging unit, and calculation device

#196
20150318685
2015-11-05

Systems and methods for inductive overvoltage protection of PFC bulk capacitors in power supplies

#197
20150309119
2015-10-29

Automated method and apparatus for testing a power converter

#198
20150270697
2015-09-24

Self supplied protection relay with a module to boost performance

#199
20150270083
2015-09-24

Trip cause management device for an electronic trip device

#200
20150255975
2015-09-10

High voltage cutoff for electrified vehicles

#201
20150245623
2015-09-03

Bypass circuit and wipe technique for contactor used to operate solid state relays that control heating elements

#202
20150210167
2015-07-30

Connection system

#203
20150200535
2015-07-16

Electrically-driven working apparatus and method for protecting battery of electrically-driven working apparatus

#204
20150200533
2015-07-16

Self-test GFCI device with dual solenoid coil electric control

#205
20150171567
2015-06-18

Power cord

#206
20150165989
2015-06-18

Electric circuit for cutting off an electric power supply having transistors and fuses

#207
20150162739
2015-06-11

Surge protection apparatus having multiple surge protection devices and display

#208
20150116877
2015-04-30

Power distribution systems and methods of testing a power distribution system

#209
20150112499
2015-04-23

Power system including a circuit providing smart zone selective interlocking communication

#210
20150092310
2015-04-02

Electronic circuit

#211
20150062766
2015-03-05

Method for detecting a defective amplifier in an analog signal conditioning device of a switch

#212
20150009596
2015-01-08

Device of protection against transient electrical overvoltages

#213
20140308546
2014-10-16

Battery system

#214
20140307490
2014-10-16

Overvoltage protection unit with AC input current sensors

#215
20140268430
2014-09-18

Breaker design for power system resiliency

#216
20140233143
2014-08-21

Protection and control system, protection and control device, and merging unit

#217
20140217814
2014-08-07

Scalable high voltage charging and detection system for plug-in electric vehicles

#218
20140177111
2014-06-26

Safe quick disconnect leakage protector

#219
20140168825
2014-06-19

Hardware-based, redundant overvoltage protection

#220
20140142775
2014-05-22

Power production systems with a safety and reliability monitoring system and methods for improving safety and reliability for power production systems

#221
20140103990
2014-04-17

Fault tolerant fail-safe link

#222
20140097700
2014-04-10

Safety instrumented process control apparatus and methods

#223
20140092654
2014-04-03

Method for the operation of an inverter, and inverter

#224
20140071565
2014-03-13

Method and protective device for detecting a symmetrical short-circuit in a multiphase electrical power supply network

#225
20130293990
2013-11-07

Protective device with automated self test

#226
20130250458
2013-09-26

Leveraging inherent redundancy in a multifunction IED

#227
20130215543
2013-08-22

Protection system for electrical power distribution system using directional current detection and logic within protective relays

#228
20130214806
2013-08-22

Self-test of over-current fault detection

#229
20130214805
2013-08-22

Self-test of over-current fault detection

#230
20130204453
2013-08-08

Control system and method for nuclear power facility

#231
20130162207
2013-06-27

Devices and methods for the safe driving, charging and energy recovery operation of an electric vehicle

#232
20130057996
2013-03-07

Current generating device

#233
20130035800
2013-02-07

Method and system for power management in substations

#234
20130031164
2013-01-31

Method for transfer of control between devices in a substation system and a device thereof

#235
20130018518
2013-01-17

Automated systems and methods for controlling localized load conditions to extend electrical distribution system component life

#236
20120315793
2012-12-13

Intrinsically safe connection unit with a network interface, intrinsically safe appliance and network interface for it

#237
20120299601
2012-11-29

Method of testing a spur short circuit protection system and diagnostic device for performing the method

#238
20120249151
2012-10-04

RESIDUAL-CURRENT CIRCUIT BREAKER

#239
20120249070
2012-10-04

Devices and methods for the safe driving, charging and energy recovery operation of an electric vehicle

#240
20120226453
2012-09-06

CIRCUIT BREAKER TRIP UNIT

#241
20120219431
2012-08-30

Centrifugal compressor part load control algorithm for improved performance

#242
20120212231
2012-08-23

Switching device

#243
20120169348
2012-07-05

Methods and systems involving monitoring circuit connectivity

#244
20120150492
2012-06-14

Method and device for monitoring a device equipped with a microprocessor

#245
20120140369
2012-06-07

Protective device

#246
20120120689
2012-05-17

Fault tolerant DC power systems

#247
20120113554
2012-05-10

DC feeder protection system

#248
20120074787
2012-03-29

Integrated photovoltaic source circuit combiner and protection subsystem

#249
20120063180
2012-03-15

Protection circuit for a power conversion apparatus

#250
20120053743
2012-03-01

Redundant systems, methods, and apparatus for use in arc flash prevention systems

#251
20120016531
2012-01-19

Method and system for power quality protection

#252
20110304942
2011-12-15

SSPC with dual fault detectors

#253
20110273137
2011-11-10

Protection circuit, battery pack and charging system

#254
20110241654
2011-10-06

Method and apparatus for dynamic signal switching of a merging unit in an electrical power system

#255
20110234245
2011-09-29

Power circuit

#256
20110188159
2011-08-04

Method and device for supervising secondary circuit of instrument transformer in power system

#257
20110163777
2011-07-07

Method for production of a fault signal, and an electrical protective device

#258
20110112699
2011-05-12

Substation automation with redundant protection

#259
20110080677
2011-04-07

Protective device

#260
20110058300
2011-03-10

Circuit breaker

#261
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2011-03-10

Protection circuit

#262
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2010-06-10

Method for avoidance of inadvertent protective tripping as a result of measurement errors within a protection system for an HVDC transmission installation

#263
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2010-05-20

Backup tripping function for a circuit breaker with microcontroller-based fault detection

#264
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2010-05-20

Low voltage startup timer for a microcontroller-based circuit breaker

#265
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2010-03-11

Protection and control system

#266
20090284880
2009-11-19

Protection device with lockout test

#267
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2009-10-08

Safety device for a semiconductor switch

#268
20090212627
2009-08-27

Car power source apparatus

#269
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2009-08-13

Converter station

#270
20090180220
2009-07-16

Non-intrusive electronic control circuitry to detect an open protector in a hermetically sealed compressor

#271
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2009-07-02

Converter station

#272
20090027817
2009-01-29

Overload relay and operating method thereof

#273
20090005915
2009-01-01

Establishing switchyard zones of a high or medium voltage switchyard

#274
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2008-12-25

ELECTROSTATIC DISCHARGE AVOIDING CIRCUIT

#275
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2008-10-23

Secondary protection approach for power switching applications

#276
20080217997
2008-09-11

Device for limiting current of electric appliance

#277
20080094762
2008-04-24

Power supply apparatus with function of detecting abnormality of current sensor

#278
20080080114
2008-04-03

Apparatus, systems and methods for reliably detecting faults within a power distribution system

#279
20080065270
2008-03-13

Protection and control system for electric power networks with signal and command interfaces at the primary equipment

#280
20080030156
2008-02-07

Powered panel moving system

#281
20070291428
2007-12-20

Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof

#282
20070291427
2007-12-20

Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof

#283
20070279814
2007-12-06

Self testing ground fault circuit interrupter (GFCI) with end of life (EOL) indicator, secondary power supply for EOL and self test circuitry, and device for opening line hot when EOL occurs

#284
20070268028
2007-11-22

Current fault detection for light emitters

#285
20070258178
2007-11-08

Power supply with disconnect fuse

#286
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2007-11-08

Environmental fuse

#287
20070253131
2007-11-01

Current limiter for limiting current in case of a fault

#288
20070242402
2007-10-18

Circuit protection system

#289
20070165342
2007-07-19

Electrical switching apparatus including a second trip circuit responding to failure of a first trip circuit to provide a repetitive signal

#290
20070135971
2007-06-14

Integrated protection, monitoring, and control system

#291
20070014062
2007-01-18

Apparatus and method for identifying a loss of a current transformer signal in a power system

#292
20070008670
2007-01-11

Protection system for power distribution systems

#293
20070008665
2007-01-11

Current fault detection for light emitters

#294
20070008664
2007-01-11

Method and electronic power supply device for supplying power to a low-voltage load protected by a protective device

#295
20060279885
2006-12-14

Fail-open surge protection system

#296
20060276979
2006-12-07

Method and apparatus for improving operational reliability during a loss of a phase voltage

#297
20060245120
2006-11-02

Backup fuse device, electronic apparatus including the backup fuse device, and method of operating the backup fuse device

#298
20060202651
2006-09-14

Powered panel moving system

#299
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2006-08-31

Systems and methods for performing a redundancy check using intelligent electronic devices in an electric power system

#300
20060145645
2006-07-06

Power control apparatus for motor