ClassID:

171932

G01R31/3277 - page 2 - CPC Classification

Classification description:

Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere; Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches

Recent Application in this class:
#301
20150293176
2015-10-15

TESTING APPRATUS FOR SAFETY SWITCHES AND METHOD

#302
20150285862
2015-10-08

Method for testing a latching magnet of a switch and test device for the latching magnet

#303
20150276878
2015-10-01

Interconnection evaluation system and method for switchboard

#304
20150268303
2015-09-24

Method and device for measuring a current flowing through a switch

#305
20150247900
2015-09-03

Using load-side voltage and an auxiliary switch to confirm the close or open status of a meter disconnect switch

#306
20150241514
2015-08-27

Switchgear for a single-phase motor and a three-phase motor

#307
20150219740
2015-08-06

Protective device with automated self-test

#308
20150177308
2015-06-25

Apparatus for insulating monitoring

#309
20150168475
2015-06-18

Monitoring device, safety system and method for operating a safety system

#310
20150130477
2015-05-14

Reliable arc fault circuit interrupter tester utilizing a dynamic fault voltage

#311
20150062760
2015-03-05

Controllable test-pulse width and position for self-test ground fault circuit interrupter

#312
20150061646
2015-03-05

Adaptable voltage level detection with resistive ladder

#313
20150032313
2015-01-29

Method and means for contactor monitoring in electric vehicle supply equipment

#314
20150028909
2015-01-29

Product testing system for a semiconductor device

#315
20150022246
2015-01-22

Driver circuit for switching element

#316
20150018986
2015-01-15

ELECTRICAL SWITCH ASSEMBLY

#317
20150002187
2015-01-01

Method and apparatus for monitoring the short-circuiting switching device of a three-phase motor

#318
20140350791
2014-11-27

Vehicle power steering control apparatus

#319
20140350774
2014-11-27

Vehicle test apparatus and method

#320
20140320160
2014-10-30

Integrated circuit for switching loads, circuit arrangement comprising an integrated circuit and a connected load, and method for operating such a circuit arrangement

#321
20140320138
2014-10-30

Loop powered isolated contact input circuit and method for operating the same

#322
20140197856
2014-07-17

Self testing fault circuit apparatus and method

#323
20140184232
2014-07-03

Tester for lightning arresters counter

#324
20140145849
2014-05-29

Monitoring operating condition of electrical component

#325
20140125317
2014-05-08

Voltage sensor contact for an electronic device

#326
20140118872
2014-05-01

Protection circuit and gate driving circuit for semiconductor switching device

#327
20140117995
2014-05-01

Methods and apparatus for testing an electronic trip device

#328
20140117910
2014-05-01

Self-diagnostics within power electronics

#329
20140112037
2014-04-24

Electronic power circuit, electric motor, and procedure for checking the operability of an electronic power circuit

#330
20140103990
2014-04-17

Fault tolerant fail-safe link

#331
20140028322
2014-01-30

Battery system having battery contactors and a diagnostic device for monitoring the functional state of the contactors and associated diagnostic method

#332
20140002100
2014-01-02

Surge protection circuit and method for testing a surge protection circuit

#333
20130338952
2013-12-19

Method and device for detecting state of overcurrent protector for battery

#334
20130314100
2013-11-28

Device and method for detecting state of overload and overcurrent protector

#335
20130300423
2013-11-14

Measuring device for checking an electrical circuit breaker

#336
20130293990
2013-11-07

Protective device with automated self test

#337
20130257438
2013-10-03

Testing a circuit assembly that contains a piezoelectric switch

#338
20130229186
2013-09-05

Switch failure detection device, battery pack including the same, and method of detecting failure of electronic switch

#339
20130158902
2013-06-20

Multi-channel leakage current monitoring system

#340
20130154717
2013-06-20

Switching circuits and methods of testing thereof

#341
20130141088
2013-06-06

Non-intrusive monitoring of power and other parameters

#342
20130135111
2013-05-30

Self-calibrating current switch with display

#343
20130120090
2013-05-16

Protective switch with status detection

#344
20130119782
2013-05-16

Electric power source circuit and abnormality diagnosis system

#345
20130057307
2013-03-07

Circuit breaker and method for checking a Rogowski converter in a circuit breaker

#346
20130040300
2013-02-14

Methods for beaming

#347
20130027057
2013-01-31

Switching apparatus, switching apparatus manufacturing method, transmission line switching apparatus, and test apparatus

#348
20120319696
2012-12-20

Device having capacitive loads and abnormality detecting method thereof

#349
20120256753
2012-10-11

ARC fault circuit interrupter tester with current responsive pulse timing

#350
20120220172
2012-08-30

Electric contact module and electric contact box for an electric unit, as well as electric equipment and electric unit

#351
20120217970
2012-08-30

Protective device with automated self-test

#352
20120169328
2012-07-05

Current measuring systems and methods of assembling the same

#353
20120154140
2012-06-21

Wireless remote detector systems and methods

#354
20120154016
2012-06-21

SEMICONDUCTOR SWITCH AND METHOD FOR MEASURING SAME

#355
20120153963
2012-06-21

Testing of a transient voltage protection device

#356
20120123698
2012-05-17

Customizable contactor prognostics system

#357
20120119918
2012-05-17

Methods and apparatus for operating an electronic trip device

#358
20120074948
2012-03-29

Method for testing the functionality of the electromagnetic tripping of a switch, in particular of a circuitbreaker for low voltages

#359
20120014879
2012-01-19

USE OF TUMOR NECROSIS FACTOR-alpha RECEPTOR p75 FOR TREATMENT OF ISCHEMIA-INDUCED NEOVASCULARIZATION

#360
20110254556
2011-10-20

Switch testing circuit

#361
20110205672
2011-08-25

MOTOR CONTROLLER AND ELECTRIC POWER STEERING DEVICE

#362
20110148423
2011-06-23

Protective device with automated self-test

#363
20110109306
2011-05-12

Non-intrusive monitoring of power and other parameters

#364
20110059435
2011-03-10

Methods for Beaming

#365
20110058296
2011-03-10

Method of detecting a fault condition of a load control device

#366
20110046808
2011-02-24

CONTROLLER AND SYSTEM INCLUDING A CONTROLLER FOR DETECTING A FAILURE THEREOF

#367
20110032113
2011-02-10

AC voltage phase discriminator for circuit breaker locators

#368
20110032111
2011-02-10

Circuit breaker locator

#369
20100295568
2010-11-25

Self testing fault circuit apparatus and method

#370
20100185406
2010-07-22

Wireless remote detector systems and methods

#371
20100153022
2010-06-17

Customizable contactor prognostics system

#372
20100148805
2010-06-17

Fail-Safe System and Test Module, Notably For Use In A Railroad Signaling System

#373
20100134306
2010-06-03

Ground Fault Circuit Interrupter With End-Of-Life Indicator

#374
20100134091
2010-06-03

Abnormal switching monitoring device and abnormal switching monitoring method

#375
20100085060
2010-04-08

ELECTRIC POWER SOURCE CIRCUIT AND ABNORMALITY DIAGNOSIS SYSTEM

#376
20100079973
2010-04-01

Electrical switchgear providing improved infrared predictive/preventive maintenance

#377
20100073013
2010-03-25

Validation of arc flash detection systems

#378
20100067157
2010-03-18

Test plug with overvoltage protection

#379
20100052691
2010-03-04

Time alert device for use together with an earth leakage protection device

#380
20100045327
2010-02-25

Test circuit and test method for power switch

#381
20090251148
2009-10-08

Protective device with end-of-life indication before power denial

#382
20090248329
2009-10-01

ARC FAULT ROOT-CAUSE FINDER SYSTEM AND METHOD

#383
20090243620
2009-10-01

Method for testing circuit breakers

#384
20090219049
2009-09-03

Method and apparatus for testing and protecting digital output circuits

#385
20090212975
2009-08-27

In-circuit testing for integrity of solid-state switches

#386
20090206862
2009-08-20

Adjustable electrical probes for circuit breaker tester

#387
20090198459
2009-08-06

Multifunctional residential circuit breaker

#388
20090189615
2009-07-30

Method and apparatus for testing AFCI device for series arc detection

#389
20090160425
2009-06-25

Hand held arc fault testing system

#390
20090033336
2009-02-05

Wireless remote detector systems and methods

#391
20080239596
2008-10-02

Systems and methods for testing ground fault detection circuitry

#392
20080169824
2008-07-17

Arc fault and ground fault circuit interrupter tester apparatus and method

#393
20080157775
2008-07-03

Relay device and corresponding method

#394
20080084213
2008-04-10

Device and method for testing an electrical power branch circuit

#395
20070285267
2007-12-13

Ground fault circuit interrupter with end-of-life protection

#396
20070285266
2007-12-13

System and method for evaluating ground-fault circuit interrupters

#397
20070177325
2007-08-02

Method and safety device for ground fault circuit

#398
20070139055
2007-06-21

Electric Circuit Tracing System

#399
20070047161
2007-03-01

Circuit breaker tester including a pulse width modulation circuit

#400
20070008103
2007-01-11

Arc fault circuit interrupter test circuit and test board

#401
20070006051
2007-01-04

Fault diagnosis for power switch using existing current sense outputs

#402
20060261838
2006-11-23

Switch device

#403
20060252304
2006-11-09

Method and power feed for electrical inspections

#404
20060250729
2006-11-09

Method and power feed for electrical inspections

#405
20060238363
2006-10-26

Apparatus and method for simultaneously detecting the power state of a plurality of circuit breaker switches

#406
20060212745
2006-09-21

Power relay or switch contact tester

#407
20060195733
2006-08-31

Arc fault and ground fault circuit interrupter tester apparatus and method

#408
20060129889
2006-06-15

Circuit configuration for providing of a diagnostic signal for a power switching device

#409
20060103390
2006-05-18

AFCI circuit test module

#410
20050013070
2005-01-20

Device and method for checking differential switches in low voltage

#411
20050001607
2005-01-06

Multi-test Arc fault circuit interrupter tester

#412
18765387
2026-01-06

Electrical circuit arrangement and method of operating an electrical circuit arrangement for obtaining lifetime expectancy information

#413
18626743
2025-12-23

Remote control device testing environment

#414
18160518
2024-04-09

Remote control device testing environment

#415
18072580
2023-09-26

Analyzer and method for regulations testing of a solar installation

#416
17752263
2024-12-24

System and method for testing electrical circuits in residential and commercial premises

#417
17183084
2022-05-31

Status check for a switch

#418
16209014
2023-02-14

Remote control device testing environment

#419
15989625
2019-02-19

Fire alarm testing device and method