ClassID:

216647

H02H1/0023 - CPC Classification

Classification description:

Details of emergency protective circuit arrangements concerning the detecting means; Using arc detectors sensing non electrical parameters, e.g. by optical, pneumatic, thermal or sonic sensors

Recent Application in this class:
#1
20260112850
2026-04-23

DC SOCKET AND POWER SUPPLY DEVICE

#2
20260058458
2026-02-26

Method for Compensating for Ambient Light for an Arc Flash Detection System for an Electrical Equipment and Arc Flash Detection System for an Electrical Equipment

#3
20260024982
2026-01-22

ARC FAULT DETECTION USING ULTRASONIC ACOUSTIC SENSORS

#4
20250309631
2025-10-02

POWER CORD PHOTOCOUPLER LEAKAGE CURRENT DETECTION INTERRUPTER (LCDI) AND ELECTRICAL APPLIANCE USING SAME

#5
20250202219
2025-06-19

ELECTRONIC CONTROL APPARATUS AND BRAKE APPARATUS

#6
20250087988
2025-03-13

DEVICE HAVING REDUNDANT POWER SUPPLY LINES

#7
20250023341
2025-01-16

POWER SYSTEM PROTECTION DEVICE WITH CURRENT LIMITING AND CONTROLLED SWITCHING FUNCTIONS FOR AC AND DC APPLICATIONS

#8
20250015586
2025-01-09

Arrangement and Method for Fault Protection of Terminal Box of Electric Rotating Machine

#9
20250012840
2025-01-09

A SENSOR DEVICE, A SYSTEM, A METHOD AND A COMPUTER PROGRAM FOR DETECTION OF ELECTRICAL ABNORMALITIES IN ASSOCIATION WITH ELECTRICAL EQUIPMENT

#10
20240396319
2024-11-28

LOCATING AN ARC

#11
20240345151
2024-10-17

Plug-Type Electric Discharge Detection Unit and Electric Discharge Detection System

#12
20240332943
2024-10-03

Voltage Transient Detector and Current Transient Detector

#13
20240319004
2024-09-26

TESTING AN ARC DETECTING SYSTEM

#14
20240305085
2024-09-12

Temperature sensor for arc detection

#15
20240305084
2024-09-12

Fusible link for arc detection

#16
20240302424
2024-09-12

Sensor for arc detection

#17
20240213756
2024-06-27

ARC FAULT SOLUTION FOR MULTIPLE ELECTRIC DEVICES

#18
20240079866
2024-03-07

Arc Mitigation Self-Powered Trigger Device for Low-, Medium-, or High-Voltage Equipment

#19
20230283060
2023-09-07

Hybrid arc flash mitigation system

#20
20230246433
2023-08-03

Voltage transient detector and current transient detector

#21
20230187920
2023-06-15

Method and apparatus for determining phase locking of critical arc light

#22
20230187919
2023-06-15

Arc flash accessory module

#23
20230068787
2023-03-02

Hybrid arc flash mitigation system

#24
20230062725
2023-03-02

Data Analytics for Smart Electrical Protection Systems

#25
20220344926
2022-10-27

Power line sag monitoring device

#26
20220115859
2022-04-14

Hybrid arc flash mitigation system

#27
20220115858
2022-04-14

Arc-flash sensor using optical fiber

#28
20220052517
2022-02-17

ARC FLASH DETECTION APPARATUS AND ELECTRICAL SYSTEM INCLUDING THE SAME

#29
20220006280
2022-01-06

Systems and methods to detect and react to objects in proximity to power systems

#30
20210281061
2021-09-09

Energy storage system having arc monitoring function

#31
20210203148
2021-07-01

Power line sag monitoring device

#32
20210175700
2021-06-10

Set of electrical protection devices with two levels that are connected in series

#33
20210118635
2021-04-22

Arc flash detection systems

#34
20210118634
2021-04-22

Coupler for arc flash detection systems

#35
20210111549
2021-04-15

Electrical arc event detection in an electric power system

#36
20200225273
2020-07-16

Power line sag monitoring device

#37
20200194990
2020-06-18

Traffic signal position detection system

#38
20200144806
2020-05-07

Method and device for detecting an electric arc in an electrical system

#39
20200119538
2020-04-16

Systems and methods to detect and react to objects in proximity to power systems

#40
20200112165
2020-04-09

Semiconductor die including multiple controllers for operating over an extended temperature range

#41
20200112159
2020-04-09

ARC FLASH DETECTION APPARATUS AND ELECTRICAL SYSTEM INCLUDING THE SAME

#42
20200076181
2020-03-05

Method for switching off an arc in an electrical installation

#43
20200036221
2020-01-30

Uninterruptible power supply, arc quenching device, electrical appliance and method for reducing an arc energy

#44
20190319449
2019-10-17

Switch cabinet with protective switch device

#45
20190260195
2019-08-22

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

#46
20190210466
2019-07-11

Method for operating a safety device

#47
20190044317
2019-02-07

Method and device for protection from internal arcs in an electrical distribution system, and electrical cabinet including such a device

#48
20190044316
2019-02-07

Arc flash detection apparatus and electrical system including the same

#49
20180366946
2018-12-20

Arc mitigation in electrical power distribution system

#50
20180346145
2018-12-06

Jet stream lightning protection apparatus, system, and method the same

#51
20180322764
2018-11-08

Monitoring system for electrical equipment failure and method

#52
20180212416
2018-07-26

Device for recognizing an arcing fault, and electrical switchgear

#53
20180170079
2018-06-21

Printing apparatus and power supply unit for printing apparatus

#54
20180145496
2018-05-24

Methods and systems for evaluating arc flash exposure hazard

#55
20180074112
2018-03-15

Device for detecting an electric arc based on its acoustic signature

#56
20180062373
2018-03-01

Arc detection in electric meter systems

#57
20170279260
2017-09-28

Method for distinguishing an arc from a luminous gas containing at least metal vapor

#58
20170236676
2017-08-17

CIRCUIT BREAKER

#59
20170184655
2017-06-29

Method of detecting an electric arc by analysis of its acoustic signature

#60
20170179880
2017-06-22

Method for detecting arcs, and detection apparatus for arcs, in a photovoltaic system

#61
20170163028
2017-06-08

Power distribution unit and method of containing arc faults in power distribution units

#62
20170133836
2017-05-11

Method and system for protecting transformers from internal fire

#63
20170018917
2017-01-19

Apparatus for detecting arc flash

#64
20160341782
2016-11-24

Devices and methods for arc fault detection

#65
20160336730
2016-11-17

Fuse box for mitigating arc faults and current surges

#66
20160320442
2016-11-03

Electric arc detection

#67
20160276822
2016-09-22

Short-circuiting device of an electrical installation and system for extinguishing an electrical arc that may appear in such an installation

#68
20160134097
2016-05-12

Method and system of detection and passivation of an electric arc

#69
20160118783
2016-04-28

Coil actuator a for low and medium voltage switching apparatus and an arc fault coil suppression device comprising said coil actuator

#70
20150372482
2015-12-24

Method, system, and apparatus for providing arc flash mitigation

#71
20150357972
2015-12-10

Method and device for detecting electrical arcing in a photovoltaic installation

#72
20150277391
2015-10-01

Methods and apparatus to detect and control plasma fires

#73
20150270699
2015-09-24

Transformer protection system

#74
20150244160
2015-08-27

Arc flash protection system with self-test

#75
20150236496
2015-08-20

Electronic circuit and low voltage arc flash system including an electromagnetic trigger

#76
20150233999
2015-08-20

Monitoring system for electrical equipment failure and method

#77
20150103337
2015-04-16

Apparatus for and method of sensing arc in gas insulated switchgear using photodiode

#78
20140346327
2014-11-27

Electro-optical radiation collector for arc flash detection

#79
20140265635
2014-09-18

Electrical arc detection in electrical switching devices

#80
20140233141
2014-08-21

System to protect from unsafe conditions in an electrical power system

#81
20140192451
2014-07-10

Device and method for preventing arc flashes

#82
20140158666
2014-06-12

Arc mitigation assembly and method of assembly to avoid ground strike

#83
20140111896
2014-04-24

Full-duplex signaling for arc event protection

#84
20140071569
2014-03-13

Zone selective interlocking for optical flash detection suppression

#85
20140055886
2014-02-27

Circuit breaker signaling system for control of an arc fault detection system

#86
20140054270
2014-02-27

Arc detection with resistance to nuisance activation through light subtraction

#87
20140043714
2014-02-13

SWITCHGEAR INCLUDING A CIRCUIT BREAKER HAVING A TRIP UNIT WITH AN INTERFACE TO A NUMBER OF ARC FAULT SENSORS

#88
20130329325
2013-12-12

Method and systems for discharging energy from an electrical fault

#89
20130258529
2013-10-03

Methods and apparatus to detect and control plasma fires

#90
20130135780
2013-05-30

Protective device with metering and oscillography

#91
20130057408
2013-03-07

Utility meter arc detection system

#92
20130044395
2013-02-21

Adaptive light detection for arc mitigation systems

#93
20130020182
2013-01-24

Medium-voltage switchgear assembly having a short-circuiting unit

#94
20120320486
2012-12-20

Arc flash system for a power circuit

#95
20120312977
2012-12-13

Arc flash protection system with self-test

#96
20120312971
2012-12-13

Electro-optical radiation collector for arc flash detection

#97
20120139550
2012-06-07

ARC FAULT DETECTION METHOD AND SYSTEM

#98
20120095706
2012-04-19

Acoustic apparatus and acoustic sensor apparatus including a fastener

#99
20120092965
2012-04-19

Acoustic sensor system for detecting electrical conductivity faults in an electrical distribution system

#100
20120090396
2012-04-19

Acoustic sensor system, acoustic signature simulator, and electrical distribution system

#101
20120057263
2012-03-08

Methods, systems, and apparatus for detecting arc flash events using light and time discrimination

#102
20120056637
2012-03-08

Apparatus and method for quickly determining fault in electric power system

#103
20120053743
2012-03-01

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

#104
20120002195
2012-01-05

Arc flash detection method

#105
20110309939
2011-12-22

UNIT FOR MONITORING AND/OR SIGNALING OR VISUALIZING OPERATING PARAMETERS OF A GAS-INSULATED SWITCHGEAR SYSTEM

#106
20110299200
2011-12-08

Arc flash detection apparatus and electrical system including the same

#107
20110267620
2011-11-03

Arc flash detection system and method

#108
20100328824
2010-12-30

Arc flash detection

#109
20100321838
2010-12-23

ARC flash detection system

#110
20100214724
2010-08-26

Power switch for preventing accidental arcs

#111
20100085671
2010-04-08

Arc monitor

#112
20100073831
2010-03-25

Protective device with metering and oscillography

#113
20100073830
2010-03-25

Secure arc flash detection

#114
20100073013
2010-03-25

Validation of arc flash detection systems

#115
20100072355
2010-03-25

Arc flash protection with self-test

#116
20100072352
2010-03-25

Electro-optical radiation collector for arc flash detection

#117
20100026425
2010-02-04

Arc flash detection system, apparatus and method

#118
20090193901
2009-08-06

Sensor for detecting arcing faults

#119
20090180233
2009-07-16

Detector for precursive detection of electrical arc

#120
20090161272
2009-06-25

Arc detection system and method

#121
20090102489
2009-04-23

Systems and methods for detecting electric discharge

#122
20080239598
2008-10-02

Arc flash elimination apparatus and method

#123
20080239592
2008-10-02

Arc flash elimination system, apparatus, and method

#124
20080225445
2008-09-18

Arc-discharge protection device with temperature detection mode

#125
20080192389
2008-08-14

ARC SUPPRESSION DEVICE, SYSTEM AND METHODS FOR LIQUID INSULATED ELECTRICAL APPARATUS

#126
20080170344
2008-07-17

Arcing fault protection system for an air arc switchgear enclosure

#127
20080167754
2008-07-10

OZONE AND OTHER MOLECULES SENSORS FOR ELECTRIC FAULT DETECTION

#128
20080094612
2008-04-24

Arc flash detection system

#129
20080055800
2008-03-06

System for optically detecting an electrical arc in a power supply

#130
20070263329
2007-11-15

Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults

#131
20070014060
2007-01-18

Sensor for detecting arcing faults

#132
20060171085
2006-08-03

Arc fault detection

#133
20060164097
2006-07-27

Electrical switching apparatus and method including fault detection employing acoustic signature

#134
20050152078
2005-07-14

System for eliminating arcing faults and power distribution system employing the same

#135
20050122643
2005-06-09

Apparatus and method employing an optical fiber for closed-loop feedback detection of arcing faults