ClassID:

171927

G01R31/327 - 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

Sub-classes:
Recent Application in this class:
#1
20260153539
2026-06-04

Contactor Detection Circuit

#2
20260147042
2026-05-28

SYSTEMS AND METHODS FOR PARALLEL ELECTRICAL ENDURANCE TESTING OF CONTACTS

#3
20260140179
2026-05-21

SWITCH LIFE PREDICTION METHOD AND SYSTEM

#4
20260036625
2026-02-05

SYSTEM AND METHOD FOR DIAGNOSING OPEN-CIRCUIT FAULT IN SWITCH

#5
20260023377
2026-01-22

SWITCH SYSTEM

#6
20260023118
2026-01-22

APPARATUS AND METHOD FOR TESTING WHETHER AN OUTPUT OF A CONTROLLER CAN BE SWITCHED OFF

#7
20260011999
2026-01-08

VEHICLE CUTOFF DEVICE

#8
20250306102
2025-10-02

POWER SUPPLY, AND DIAGNOSTIC METHOD FOR POWER SUPPLY

#9
20250300437
2025-09-25

ELECTRICAL CONTACT ASSEMBLY HAVING CONDUCTIVE CLAMP ASSEMBLY AND ASSOCIATED METHODS

#10
20250298081
2025-09-25

SWITCHGEAR GROUND AND TEST DEVICE HAVING GROUND SHOE ASSEMBLY WITH CONDUCTIVE CLAMP ASSEMBLY AND ASSOCIATED METHODS

#11
20250258228
2025-08-14

POWER SUPPLY DEVICE AND SWITCH DIAGNOSIS METHOD

#12
20250258227
2025-08-14

SYSTEMS AND METHODS FOR PARALLEL ELECTRICAL ENDURANCE TESTING OF CONTACTS

#13
20250237701
2025-07-24

Switchgear Event Detection System

#14
20250237700
2025-07-24

STATE ANALYSIS OF AN ON-LOAD TAP CHANGER

#15
20250231238
2025-07-17

POLE DISCONNECT INDICATOR AND TEST SWITCH ASSEMBLIES FOR ELECTRICAL SWITCHBOARDS

#16
20250208212
2025-06-26

ELECTRONIC DEVICE AND OPERATING METHOD THEREOF

#17
20250208211
2025-06-26

ABNORMALITY DETECTION DEVICE

#18
20250189583
2025-06-12

SEQUENTIAL DIAGNOSIS RESET

#19
20250116697
2025-04-10

CURRENT PATH DIAGNOSIS WITH THE AID OF AN ELECTRONIC FUSE

#20
20250076382
2025-03-06

AEROSOL DELIVERY DEVICE

#21
20250044354
2025-02-06

Electrical Discharge Detection System

#22
20240410944
2024-12-12

METHOD AND ARRANGEMENT FOR TESTING THE FUNCTIONALITY OF A SEMICONDUCTOR SWITCH

#23
20240319276
2024-09-26

SWITCH DIAGNOSTIC DEVICE AND BATTERY PACK INCLUDING THE SAME

#24
20240288507
2024-08-29

Methods, Systems, and Devices for Wireless Power Modules

#25
20240280636
2024-08-22

METHOD FOR MONITORING SHORT CIRCUIT SWITCHING PROCESSES OF A CIRCUIT OF A CONTROL DEVICE

#26
20240280635
2024-08-22

ACOUSTIC CIRCUIT BREAKER DIAGNOSIS DEVICE AND METHOD

#27
20240264232
2024-08-08

Monitoring System for a Mechanically Driven Circuit Breaker

#28
20240213980
2024-06-27

SWITCHING CIRCUIT HAVING CONSTANT ON-RESISTANCE AND MATRIX SWITCH COMPRISING SAME

#29
20240201258
2024-06-20

METHOD AND DEVICE FOR MONITORING THE STATE OF HEALTH OF A CONTACTOR

#30
20240192273
2024-06-13

Method for Detecting a Stuck AC Switch in a Converter

#31
20240186088
2024-06-06

ARRANGEMENT AND METHOD FOR AUTOMATICALLY CONFIGURING A MAGNETIC DRIVE

#32
20240159830
2024-05-16

TEST DEVICE

#33
20240146296
2024-05-02

System and method for identifying non-switching semiconductor switches

#34
20240103080
2024-03-28

MALFUNCTION DETECTION METHOD AND ELECTRONIC CONTROL DEVICE CAPABLE OF DETECTING MALFUNCTION

#35
20240079868
2024-03-07

METHOD AND RECONFIGURABLE INLINE SYSTEMS FOR PROTECTION FROM TRANSIENT ELECTROMAGNETIC ENERGY DISTURBANCE

#36
20240038469
2024-02-01

Acoustic sensing of thomson coil based vacuum circuit interrupter operation

#37
20240012053
2024-01-11

INSULATION RESISTANCE MONITORING APPARATUS PROVIDED WITH SWITCH AND CAPABLE OF DETECTING FAILURE IN SWITCH

#38
20230395332
2023-12-07

Switchgear system that determines contact erosion in circuit breaker

#39
20230358807
2023-11-09

Safety switching apparatus, in particular for the monitored switching on of an electrical and/or electronic load

#40
20230341441
2023-10-26

Circuit breaker operating current/fault current measuring device using single Rogowski coil

#41
20230296674
2023-09-21

Contact-monitoring device

#42
20230275275
2023-08-31

Integrated switching device, and battery monitoring and protecting system including integrated switching device

#43
20230258722
2023-08-17

ACTIVE WRAP AROUND CIRCUIT FOR MUTUALLY COUPLES COILS

#44
20230236247
2023-07-27

OUTPUT CURRENT DETECTION IN HIGH-SIDE SWITCH

#45
20230228816
2023-07-20

Monitored switch gear device

#46
20230197362
2023-06-22

Switchgear system that determines contact erosion in circuit breaker

#47
20230188129
2023-06-15

AGING PROTECTION TECHNIQUES FOR POWER SWITCHES

#48
20230168145
2023-06-01

Self-diagnostic gas density relay and use method thereof

#49
20230163752
2023-05-25

Laboratory equipment with flammable refrigerant

#50
20230160800
2023-05-25

GAS DENSITY RELAY WITH ONLINE SELF-CHECKING FUNCTION, AND CHECKING METHOD THEREFOR

#51
20230155185
2023-05-18

CONTROL APPARATUS AND BATTERY PACK

#52
20230152375
2023-05-18

Deterioration estimation device and deterioration estimation program for power conversion device

#53
20230138101
2023-05-04

Switchable amplifier

#54
20230108966
2023-04-06

Interactive test equipment for quality evaluation of resistance value test for electric leakage

#55
20230107557
2023-04-06

Method for monitoring an electrical switching arrangement

#56
20230090456
2023-03-23

Ultra-low leakage test verification circuit

#57
20230065957
2023-03-02

METHOD FOR DETERMINING THE SERVICE LIFE OF A SWITCHING DEVICE

#58
20230062064
2023-03-02

Output module for industrial control device, and industrial control device

#59
20230060718
2023-03-02

System and method for identifying non-switching semiconductor switches

#60
20230035276
2023-02-02

Monitoring system for a low voltage, medium voltage, or high voltage circuit breaker

#61
20230035067
2023-02-02

Monitoring system for a low voltage, medium voltage, or high voltage circuit breaker

#62
20230033088
2023-02-02

Monitoring system for a low voltage, medium voltage, or high voltage circuit breaker

#63
20230023763
2023-01-26

Checking apparatus for checking a number of start cycles of a detection device of a motor vehicle, and method

#64
20230014691
2023-01-19

System for Monitoring a Device

#65
20230014111
2023-01-19

Auxiliary module for an electrical switching device, and associated switching device and monitoring system

#66
20230003797
2023-01-05

Position reliability of magnets of a switching device

#67
20220404418
2022-12-22

Relay diagnosis apparatus, relay diagnosis method, battery system and electric vehicle

#68
20220381826
2022-12-01

Monitoring of magnetic sensing elements of a switching device

#69
20220357395
2022-11-10

Aerosol delivery device

#70
20220317188
2022-10-06

Contact monitoring device for vacuum circuit breaker and vacuum circuit breaker having same

#71
20220268840
2022-08-25

Ground fault interrupter self test circuits and related methods

#72
20220252668
2022-08-11

Continuously monitored remote power shutdown

#73
20220252667
2022-08-11

Method for estimating an operating state of an electrical switching apparatus and electrical switching apparatus for implementing such a method

#74
20220179011
2022-06-09

Short circuit determination apparatus, switch apparatus, and short circuit determination method

#75
20220173681
2022-06-02

Systems and methods for operating a power generating asset

#76
20220163743
2022-05-26

Optical fiber protection system

#77
20220155371
2022-05-19

Apparatus and method for diagnosing failure of switch unit included in multi battery pack

#78
20220146592
2022-05-12

Method and system for diagnosing open-circuit fault of power switching device of three-phase three-level rectifier

#79
20220137135
2022-05-05

System and apparatus for monitoring partial discharges in switchboards

#80
20220120801
2022-04-21

Relating to testing

#81
20220082594
2022-03-17

Ultra-low leakage test verification circuit

#82
20220080191
2022-03-17

Signal generators for use with tissue modification systems

#83
20220074990
2022-03-10

Diagnostic apparatus for switching device

#84
20220068579
2022-03-03

Pressure monitoring device and pressure monitoring method for vacuum valve

#85
20220050141
2022-02-17

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

#86
20220020547
2022-01-20

METHOD FOR DIAGNOSING AN OPERATING STATE OF AN ELECTRICAL SWITCHING DEVICE AND ELECTRICAL SWITCHING DEVICE FOR IMPLEMENTING SUCH A METHOD

#87
20220020546
2022-01-20

METHOD FOR DIAGNOSING AN OPERATING STATE OF AN ELECTRICAL SWITCHING DEVICE AND ELECTRICAL SWITCHING DEVICE FOR IMPLEMENTING SUCH A METHOD

#88
20220004181
2022-01-06

Remaining service life prediction for switches

#89
20210402938
2021-12-30

Vehicle and method of controlling the same

#90
20210389374
2021-12-16

Switch with a signal generating unit and a self-test unit

#91
20210382110
2021-12-09

Method for supplying power to an inductive load

#92
20210382109
2021-12-09

Diagnostic apparatus

#93
20210356529
2021-11-18

Power supply on-off detection circuit, method, and storage medium

#94
20210341538
2021-11-04

Automatically testable short circuit breaker

#95
20210325479
2021-10-21

Leakage current monitoring system

#96
20210311130
2021-10-07

Method for testing a disconnection point of a photovoltaic inverter, and a photovoltaic inverter of this type

#97
20210278463
2021-09-09

Method and device for determining closing time of circuit breaker, and computer-readable medium

#98
20210263111
2021-08-26

Method and apparatus for electrical line testing

#99
20210263102
2021-08-26

Sensor device and method for determining an alternating voltage

#100
20210257825
2021-08-19

Method and apparatus for preventing same building solar panel produced voltage spikes on a neighbor's electric utility service

#101
20210231707
2021-07-29

Battery pack diagnosis apparatus

#102
20210184666
2021-06-17

Aging protection techniques for power switches

#103
20210184579
2021-06-17

Compound pin driver controller

#104
20210156920
2021-05-27

Electrical installation measuring system

#105
20210132149
2021-05-06

Flash switch on-off detection circuit and electronic device

#106
20210109134
2021-04-15

Electric working machine and method of detecting fault in electric working machine

#107
20210041502
2021-02-11

Switch diagnosing apparatus and method

#108
20210035750
2021-02-04

Distribution board

#109
20200379045
2020-12-03

Method for detecting the state of an electrical protection appliance in an electrical installation and detection device implementing said method

#110
20200363473
2020-11-19

Diagnostic method of switchgear and device thereof

#111
20200348362
2020-11-05

Aerosol delivery device

#112
20200319251
2020-10-08

Signal detecting circuit and signal detecting method of micro switch

#113
20200303138
2020-09-24

Circuit interrupter and method of determining contact wear based upon temperature

#114
20200295747
2020-09-17

Switching apparatus and method for operating a switching apparatus

#115
20200287281
2020-09-10

Method for rapid testing of functionality of phase-change material (PCM) radio frequency (RF) switches

#116
20200271711
2020-08-27

Method and assembly for detecting partial discharges of an electrical operating device

#117
20200256912
2020-08-13

Diagnostic device and method to establish degradation state of electrical connection in power semiconductor device

#118
20200249268
2020-08-06

Method and arrangement for detecting partial discharges in an electric operating means

#119
20200241072
2020-07-30

Circuit interrupter diagnostic system

#120
20200217892
2020-07-09

Switching device whose stationary contact is provided with test terminal

#121
20200209312
2020-07-02

System and method for diagnosing contactor lifetime by using contactor coil current

#122
20200209311
2020-07-02

METHOD AND DEVICE FOR DETECTING FAULTS AND PROTECTION FOR POWER SWITCHING ELECTRONIC DEVICES

#123
20200185903
2020-06-11

Arc discharge detection device

#124
20200174075
2020-06-04

Battery pack

#125
20200161714
2020-05-21

Integrated switching device, and battery monitoring and protecting system including integrated switching device

#126
20200144001
2020-05-07

Adjustable contactor

#127
20200136365
2020-04-30

Circuit interrupters with lockout feature and related methods

#128
20200132770
2020-04-30

Circuit arrangement for evaluating at least two switching states of an actuating element, method for operating a circuit arrangement and switching device

#129
20200112069
2020-04-09

Battery pack for diagnosing fault of charging contactor

#130
20200083732
2020-03-12

Device and method for diagnosing switch using voltage distribution

#131
20200041568
2020-02-06

Method and arrangement for checking a control circuit of an inductive load

#132
20200041567
2020-02-06

Ground fault interrupter self test circuits and related methods

#133
20200041566
2020-02-06

Intelligent monitoring system and method for energy switch accessory device

#134
20200033410
2020-01-30

System and method for diagnosing contactor using sound sensor

#135
20200019152
2020-01-16

Apparatus for prediction of the residual lifetime of an electrical system

#136
20190348243
2019-11-14

Method for monitoring circuit breaker and apparatus and internet of things using the same

#137
20190326748
2019-10-24

Circuit breaker system with an internal voltage limiter

#138
20190326744
2019-10-24

Electronic circuit breaker with physical open-contact construction and fail-safe protection

#139
20190285441
2019-09-19

Elimination of floating potential when mounting wireless sensors to insulated conductors

#140
20190267790
2019-08-29

Devices, systems, and methods for obtaining operational data from circuit breakers

#141
20190219630
2019-07-18

Remote diagnostic system and method for circuit protection devices such as miniature circuit breakers

#142
20190212389
2019-07-11

Aerosol delivery device

#143
20190195949
2019-06-27

Test apparatus and methods for arc mitigation device

#144
20190173384
2019-06-06

Converter device

#145
20190154746
2019-05-23

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

#146
20190128942
2019-05-02

Method and apparatus for measuring prospective short circuit current

#147
20190101593
2019-04-04

Switch failure detection system

#148
20190074681
2019-03-07

Electrical power systems

#149
20190025375
2019-01-24

Temperature-based electromagnetic switching

#150
20190011492
2019-01-10

Circuit and method for detecting arc faults

#151
20180372800
2018-12-27

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

#152
20180364313
2018-12-20

Power Contactor and Method for Checking the Function of a Power Contactor

#153
20180330904
2018-11-15

Method and device for controlling an electromagnetic drive of a switching device

#154
20180321317
2018-11-08

Automated test equipment and its operation method

#155
20180316178
2018-11-01

Black box apparatus for analyzing cause of arc interruption

#156
20180306863
2018-10-25

Aerosol delivery device

#157
20180284193
2018-10-04

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

#158
20180252751
2018-09-06

System for monitoring electrical power usage of a structure and method of same

#159
20180239850
2018-08-23

Substation voltage replica based on digital voltage

#160
20180217205
2018-08-02

Systems and methods for detecting switching circuitry failure

#161
20180172766
2018-06-21

Electronic switch

#162
20180164759
2018-06-14

Method for monitoring an electromechanical component of an automation system

#163
20180067166
2018-03-08

Cleaning and motor heating electromagnetic motor control switching

#164
20180067149
2018-03-08

Control line diagnostic apparatus

#165
20180059185
2018-03-01

Monitoring unit for monitoring an electrical circuit breaker and circuit breaker comprising such a monitoring unit

#166
20180045782
2018-02-15

Switch circuit, method for operating a switch circuit and an automated test equipment

#167
20180034370
2018-02-01

Combined high side and low side current sensing

#168
20180024195
2018-01-25

Semiconductor integrated circuit for monitoring switch, electronic control unit and vehicle

#169
20170370992
2017-12-28

Personal consumer product with thermal control circuitry diagnostics and methods thereof

#170
20170363692
2017-12-21

Diagnostic system for a DC-DC voltage converter

#171
20170350934
2017-12-07

Method for estimating power system health

#172
20170343609
2017-11-30

Programmable current sink for contact input circuits

#173
20170322258
2017-11-09

Circuit interrupter and system for testing the same

#174
20170316905
2017-11-02

Methods of determining the order of operating contactors in high voltage circuits

#175
20170299656
2017-10-19

GFCI self test software for autonomous monitoring and fail safe power denial

#176
20170292975
2017-10-12

Test block with Faraday cage

#177
20170292972
2017-10-12

Test block with input and output sockets of the RJ45 type

#178
20170269160
2017-09-21

Method and device for testing a tap changer of a transformer

#179
20170254852
2017-09-07

Apparatus and methods for monitoring auxiliary contact status

#180
20170227593
2017-08-10

Methods and devices for detecting a disconnection of a protective conductor connection

#181
20170225572
2017-08-10

Weld detection apparatus and weld detection method

#182
20170219653
2017-08-03

Detecting method and apparatus for abnormal electrical connection in main circuit of switchgear

#183
20170213680
2017-07-27

Self testing GFCI

#184
20170213195
2017-07-27

Method, arrangement and computer program product for a condition-based calculation of a maintenance date of a technical installation

#185
20170192060
2017-07-06

Enhanced protection, diagnosis, and control of power distribution and control units

#186
20170184674
2017-06-29

Circuit interrupter diagnostic system

#187
20170178825
2017-06-22

Universal contact input supporting programmable wetting current

#188
20170168115
2017-06-15

Relay abnormality detection device and power conditioner

#189
20170153270
2017-06-01

Testing apparatus usable in switchgear cabinet

#190
20170138994
2017-05-18

Checking a multi-pole electrical circuit breaker

#191
20170108550
2017-04-20

MONITORING DEVICE FOR A SURGE ARRESTER AND MONITORING SYSTEM COMPRISING A MONITORING DEVICE

#192
20170089965
2017-03-30

Contact-making device and method for making electrical contact with a test object

#193
20170059657
2017-03-02

Switch deterioration detection device and method

#194
20170045567
2017-02-16

MONITORING METHOD AND SYSTEM OF ARRESTER APPLIED TO SMART SUBSTATION

#195
20170040882
2017-02-09

SYSTEM AND METHOD FOR MEASURING SWITCHING LOSS ASSOCIATED WITH SEMICONDUCTOR SWITCHING DEVICES

#196
20170040809
2017-02-09

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

#197
20170031414
2017-02-02

Information processing device, power estimation program and power estimation method

#198
20170030970
2017-02-02

Detection system in relation to automatic transfer switch and method thereof

#199
20170025951
2017-01-26

Combined high side and low side current sensing

#200
20160356852
2016-12-08

SYSTEM FOR ASSESSING HEALTH INDEX OF SWITCHGEAR

#201
20160349328
2016-12-01

Switch monitoring circuit

#202
20160341777
2016-11-24

Manual service disconnect fuse state determination systems and methods

#203
20160336735
2016-11-17

Power interrupting device

#204
20160327611
2016-11-10

Circuit breaker sensor

#205
20160322804
2016-11-03

Protection device for electrical network

#206
20160299192
2016-10-13

Method and device for monitoring circuit breaker

#207
20160282415
2016-09-29

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

#208
20160274190
2016-09-22

Self-test module of electronic circuit breaker

#209
20160268079
2016-09-15

Controller for confirming contact status and controlling contact of latch relay in electric power meter

#210
20160252480
2016-09-01

Flexible magnetic field coil for measuring ionic quantity

#211
20160236632
2016-08-18

Contactor control system

#212
20160231381
2016-08-11

Method and apparatus for determining the aging of an electronic interrupter element, in particular of a power contactor

#213
20160225543
2016-08-04

Mechanical wear, wipe and stroke measurement system for circuit breakers

#214
20160216332
2016-07-28

Open switch fault detection and identification in a two-level voltage source power converter

#215
20160197499
2016-07-07

Battery monitoring device

#216
20160197039
2016-07-07

Stacked via structure for metal fuse applications

#217
20160178691
2016-06-23

GFCI self test software for autonomous monitoring and fail safe power denial

#218
20160178687
2016-06-23

Phase control device

#219
20160161558
2016-06-09

Testing apparatus usable with circuit interruption apparatus

#220
20160146889
2016-05-26

Monitoring circuit for detecting a switching state of an electrical switching contact and method therefor

#221
20160141117
2016-05-19

Mechanical wear, wipe and stroke measurement system for circuit breakers

#222
20160139206
2016-05-19

Contact wear detection by spectral analysis shift

#223
20160134224
2016-05-12

Cleaning and motor heating electromagnetic motor control switching

#224
20160134209
2016-05-12

6-pole based wye-delta motor starting system and method

#225
20160134207
2016-05-12

Synchronized reapplication of power for driving an electric motor

#226
20160133417
2016-05-12

Electromagnetic switch interlock system and method

#227
20160133414
2016-05-12

Single-pole, single current path switching system and method

#228
20160133412
2016-05-12

Temperature-based electromagnetic switching

#229
20160133411
2016-05-12

Intelligent timed electromagnetic switching

#230
20160131712
2016-05-12

Wellness monitoring of electromagnetic switching devices

#231
20160109521
2016-04-21

Self-testing ground fault circuit interrupter

#232
20160103180
2016-04-14

Circuit breaker accessory data collector and related methods and computer program products

#233
20160084908
2016-03-24

Switch failure diagnosis device and electric storage apparatus

#234
20160077163
2016-03-17

Method and apparatus for defect pre-warning of power device

#235
20160061897
2016-03-03

System for analysis of partial discharge defects of gas insulated switchgear

#236
20160061896
2016-03-03

Power-supply control device and programmable logic controller

#237
20160041227
2016-02-11

ON-LINE MONITORING SWITCH CONTACT LIFESPAN OF ON-LOAD TAP-CHANGER IN TRANSFORMERS

#238
20160033577
2016-02-04

Safety circuit monitoring using alternating voltage

#239
20160019436
2016-01-21

Grid data processing method and apparatus

#240
20160011266
2016-01-14

Semiconductor apparatus and power conversion apparatus

#241
20150377968
2015-12-31

Battery-assisted safety circuit monitoring system

#242
20150369866
2015-12-24

Apparatus for detecting a switch position

#243
20150346282
2015-12-03

Method and apparatus for detecting state of relay

#244
20150331048
2015-11-19

Membrane switch circuit testing system

#245
20150323603
2015-11-12

Apparatus and method for detecting faults of battery heating system and relays

#246
20150316617
2015-11-05

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

#247
20150316594
2015-11-05

Energy monitoring and analysis system

#248
20150310930
2015-10-29

Equivalent fuse circuit for a one-time programmable read-only memory array

#249
20150309118
2015-10-29

Method and apparatus for detecting state of safety plug

#250
20150309084
2015-10-29

Device for measuring at least one electric quantity of a current intended to circulate in an electric apparatus, and assembly comprising such a device

#251
20150303805
2015-10-22

Inductive load control circuit, a braking system for a vehicle and a method of measuring current in an inductive load control circuit

#252
20150303633
2015-10-22

IMPROVED SLIP RING DEVICES, SYSTEMS, AND METHODS

#253
20150301111
2015-10-22

MODULE FOR A FUSED SWITCH ARRANGEMENT WITH A MEASURING DEVICE, AND ALSO A FUSE HOLDER FOR A MODULE OR A FUSED SWITCH ARRANGEMENT

#254
20150285863
2015-10-08

System and method to predict a usable life of a vacuum interrupter in the field

#255
20150285862
2015-10-08

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

#256
20150276876
2015-10-01

Grid data processing method and apparatus

#257
20150276875
2015-10-01

Method and circuit unit for determining fault states in a half-bridge circuit

#258
20150247900
2015-09-03

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

#259
20150226804
2015-08-13

Electromagnetic test device to predict a usable life of a vacuum interrupter in the field

#260
20150226803
2015-08-13

Method to predict a usable life of a vacuum interrupter in the field

#261
20150219719
2015-08-06

System for monitoring the operation of a current loop

#262
20150207306
2015-07-23

Distinguishing between overload and open load in off conditions

#263
20150204936
2015-07-23

Partial discharge sensor

#264
20150198667
2015-07-16

Dual ground breaker testing system

#265
20150198666
2015-07-16

Switch detection device and method of use

#266
20150187519
2015-07-02

Switch contact wetting with low peak instantaneous current draw

#267
20150185287
2015-07-02

DETECTION DEVICE FOR POWER COMPONENT DRIVERS, AND DETECTION METHOD THEREOF

#268
20150180463
2015-06-25

MONITORING METHOD AND DEVICE FOR POWER SEMICONDUCTOR SWITCH

#269
20150174417
2015-06-25

Verifying correct operation of an implantable neurostimulator device using current distribution circuitry

#270
20150168487
2015-06-18

Remote diagnostic system and method for circuit protection devices such as miniature circuit breakers

#271
20150168462
2015-06-18

Sensorless current sensing methods for power electronic converters

#272
20150162747
2015-06-11

Semiconductor abnormality detection circuit

#273
20150158511
2015-06-11

POINTS MACHINE MONITORING SYSTEM AND METHOD

#274
20150153414
2015-06-04

Method and apparatus for sensing the status of a circuit interrupter

#275
20150137819
2015-05-21

System and method for monitoring relay contacts

#276
20150103337
2015-04-16

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

#277
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2015-04-09

System and method for measuring switching loss associated with semiconductor switching devices

#278
20150091604
2015-04-02

Method for checking a separation point of a photovoltaic inverter, and photovoltaic inverter

#279
20150077122
2015-03-19

Safety device and method for an electric installation

#280
20150070020
2015-03-12

Auxiliary unit for an electric circuit breaker, electric system comprising a circuit breaker and one such auxiliary unit and method for determining a cause of opening of the circuit breaker by means of one such auxiliary unit

#281
20150035539
2015-02-05

Power circuit abnormality detection method

#282
20150035538
2015-02-05

Method for monitoring an on-load tap changer

#283
20150032393
2015-01-29

Switching loss measurement and plot in test and measurement instrument

#284
20150028909
2015-01-29

Product testing system for a semiconductor device

#285
20150015300
2015-01-15

Detecting faults in hot-swap applications

#286
20150015248
2015-01-15

CURRENT SENSOR AND ELECTRIC POWER CONVERTER

#287
20150012145
2015-01-08

INTELLIGENT CIRCUIT BREAKER APPARATUS AND METHODS

#288
20140361780
2014-12-11

Systems and methods for monitoring circuit breaker operation

#289
20140347103
2014-11-27

Fault-tolerant power semiconductor switching device control system

#290
20140347039
2014-11-27

Systems and methods for measuring electrical power usage in a structure and systems and methods of calibrating the same

#291
20140343895
2014-11-20

Monitoring of primary devices in a power system

#292
20140333311
2014-11-13

Relay detection apparatus and method of operating the same

#293
20140312909
2014-10-23

PROGRAMMABLE CONTACT INPUT APPARATUS AND METHOD OF OPERATING THE SAME

#294
20140285228
2014-09-25

Testing apparatus for providing per pin level setting

#295
20140268434
2014-09-18

GFCI with voltage level comparison and indirect sampling

#296
20140253144
2014-09-11

Spent cartridge detection method and system for an electronic smoking article

#297
20140184231
2014-07-03

TEST SYSTEM FOR A DOME SWITCH

#298
20140176140
2014-06-26

SWITCH FAILURE DIAGNOSIS DEVICE AND ELECTRIC STORAGE APPARATUS

#299
20140167772
2014-06-19

Stacked via structure for metal fuse applications

#300
20140145849
2014-05-29

Monitoring operating condition of electrical component