ClassID:

171474

G01R19/15 - CPC Classification

Classification description:

Arrangements for measuring currents or voltages or for indicating presence or sign thereof; Indicating the presence of current or voltage Indicating the presence of current

Recent Application in this class:
#1
20260137861
2026-05-21

Method for Testing Piezoelectric Sound Transducer

#2
20260126501
2026-05-07

ELECTRICAL MEASUREMENT METHODS, SYSTEMS, AND KITS

#3
20260126475
2026-05-07

CIRCUIT ENERGIZATION STATUS TEST DEVICE AND METHOD

#4
20260092956
2026-04-02

ELECTRIC CURRENT SENSOR, ELECTRIC CURRENT MEASUREMENT DEVICE, AND ELECTRIC CURRENT MEASUREMENT METHOD

#5
20260081513
2026-03-19

CURRENT SENSING CIRCUIT

#6
20250389758
2025-12-25

ENERGY DETECTION WARNING DEVICE

#7
20250277823
2025-09-04

CURRENT SENSOR AND CONTROL METHOD THEREOF

#8
20250244366
2025-07-31

ENERGY DETECTION WARNING DEVICE

#9
20250199035
2025-06-19

CURRENT SENSOR WITH ADJACENT CONDUCTOR REJECTION

#10
20250199034
2025-06-19

FAULT CURRENT SENSOR WITH ADJACENT PHASE FAULT IMMUNITY

#11
20250138057
2025-05-01

CIRCUIT TESTING DEVICE

#12
20250130257
2025-04-24

CURRENT SENSOR

#13
20250067780
2025-02-27

CURRENT SENSOR

#14
20240369602
2024-11-07

CIRCUIT ENERGIZATION STATUS TEST DEVICE AND METHOD

#15
20240319235
2024-09-26

CURRENT DETECTION CIRCUIT

#16
20240255553
2024-08-01

DETECTION DEVICE

#17
20240230726
2024-07-11

Current Sensing Device

#18
20240210493
2024-06-27

Method and apparatus for detection of a fuse failure

#19
20240159830
2024-05-16

TEST DEVICE

#20
20240133926
2024-04-25

Current Sensing Device

#21
20240053394
2024-02-15

METHOD AND APPARATUS FOR MEASURING ELECTRICAL PROPERTIES OF SAMPLE MATERIAL, DEVICE AND MEDIUM

#22
20230400479
2023-12-14

Electrical wire management tool

#23
20230341443
2023-10-26

Energy detection warning device

#24
20230288456
2023-09-14

STATE DETERMINATION DEVICE, STATE DETERMINATION SYSTEM, PRODUCTION SYSTEM, STEP MANAGEMENT DEVICE, AND STATE DETERMINATION METHOD

#25
20230096791
2023-03-30

Apparatus and method for detecting electrical current flow

#26
20220334153
2022-10-20

Current sensor for a switching converter

#27
20220308123
2022-09-29

Method and Apparatus for Detection of a Fuse Failure

#28
20220308096
2022-09-29

State detection apparatus

#29
20220276288
2022-09-01

Energy detection warning device

#30
20220152294
2022-05-19

Method for Testing Piezoelectric Sound Transducer

#31
20220137103
2022-05-05

Differential current sensor

#32
20220107343
2022-04-07

Circuit energization status test device and method

#33
20220099712
2022-03-31

Current measurement circuit

#34
20220034943
2022-02-03

Current sensor

#35
20220018985
2022-01-20

Wall scanner

#36
20220001521
2022-01-06

Protective shield for use with a staple gun

#37
20210270873
2021-09-02

Energy detection warning device

#38
20210239742
2021-08-05

Kind of self-powered current sensor with sudden change current detection capability used in low-voltage distribution system

#39
20210172982
2021-06-10

Current sensor

#40
20210109135
2021-04-15

Intelligent electronic device control using wirelessly transmitted electrical measurements

#41
20210055332
2021-02-25

Wireless current sensor

#42
20210028615
2021-01-28

Smart electronic switch

#43
20210006242
2021-01-07

Current detection circuit, current detection method, and semiconductor module

#44
20200319260
2020-10-08

Apparatus for and a Method of Detecting Leakage of Current

#45
20200292592
2020-09-17

Current detection device

#46
20200251927
2020-08-06

On-line power measurement

#47
20200220393
2020-07-09

Methods for detecting and identifying a receiver in an inductive power transfer system

#48
20200185670
2020-06-11

Power supply device and load monitor

#49
20200182920
2020-06-11

Wire connector for vehicle

#50
20200173423
2020-06-04

LIGHTNING DETECTION AND MEASUREMENT SYSTEM AND METHOD FOR LOCATION DETECTION OF LIGHTNING STRIKES ON A WIND TURBINE BLADE

#51
20200158765
2020-05-21

Measuring rod for electric meter and electric meter assembly using the same

#52
20200156231
2020-05-21

Protective shield for use with a staple gun

#53
20200156229
2020-05-21

Staple gun with self-centering mechanism

#54
20200124645
2020-04-23

Vertical sense devices in vertical trench MOSFET

#55
20200090474
2020-03-19

Alarm screen with embedded wireless transmitter

#56
20200064382
2020-02-27

Current sensor

#57
20190336692
2019-11-07

Labeling apparatus for a medical device

#58
20190287269
2019-09-19

Method and system for determining lone temperature of overhead power line

#59
20190250196
2019-08-15

Monitoring power status

#60
20190250193
2019-08-15

Current sensor

#61
20190242928
2019-08-08

Intrinsically safe Zener diode barrier with indication

#62
20190207652
2019-07-04

System and Method for Determining Power Status in a Metering Network

#63
20190178919
2019-06-13

Method and apparatus for electrical line testing

#64
20190113548
2019-04-18

Electric power measuring device

#65
20190018047
2019-01-17

Magnetic permeable member and current detection device

#66
20190004095
2019-01-03

Current detector and meter

#67
20190003855
2019-01-03

Electrical monitoring and network enabled electrical faceplate

#68
20180356461
2018-12-13

Circuit and method for measuring working current of circuit module

#69
20180350515
2018-12-06

Electric equipment

#70
20180348262
2018-12-06

Electric power device and method of producing the electric power device

#71
20180348261
2018-12-06

Electric equipment

#72
20180329002
2018-11-15

Method and apparatus for integrating current sensors in a power semiconductor module

#73
20180301880
2018-10-18

Hand tool for current sensing

#74
20180299494
2018-10-18

HAND TOOL STRUCTURE

#75
20180287519
2018-10-04

MOTOR DRIVE DEVICE

#76
20180275173
2018-09-27

DEVICE AND METHOD FOR DETECTION OF ELECTRICAL CURRENT IN A BODY OF WATER

#77
20180222500
2018-08-09

System and method for reducing the electric power consumption of railway system

#78
20180164350
2018-06-14

Energy detection warning device

#79
20180136675
2018-05-17

Thermostat switching circuitry with overcurrent shutdown

#80
20180048138
2018-02-15

Arc fault detection arrangement for a DC electric bus

#81
20170331401
2017-11-16

Motor control device

#82
20170328940
2017-11-16

Insulation resistance measuring device and method

#83
20170322239
2017-11-09

Vertical sense devices in vertical trench MOSFET

#84
20170322049
2017-11-09

Electrical monitoring and network enabled electrical faceplate

#85
20170299639
2017-10-19

Vertical sense devices in vertical trench MOSFET

#86
20170248727
2017-08-31

Wall scanner

#87
20170229927
2017-08-10

Methods for detecting and identifying a receiver in an inductive power transfer system

#88
20170227415
2017-08-10

Flexible sheet-type physical property detecting leak sensor device

#89
20170163087
2017-06-08

DUAL-SOURCE POWER SUPPLY

#90
20170160319
2017-06-08

Monitoring power status

#91
20170105299
2017-04-13

Live load indicator with door interlock

#92
20170074909
2017-03-16

COMPUTER CONTROLLED AUTOMATED SAFE TO MATE METHOD AND APPARATUS

#93
20170074905
2017-03-16

ELECTRICAL ACTIVITY SENSOR DEVICE FOR DETECTING ELECTRICAL ACTIVITY AND ELECTRICAL ACTIVITY MONITORING APPARATUS

#94
20170059630
2017-03-02

Voltage detection circuit and a method of detecting voltage changes

#95
20170047853
2017-02-16

Flyback converter output current evaluation circuit and evaluation method

#96
20170010316
2017-01-12

MOS transistor saturation region detector

#97
20160351994
2016-12-01

Electrical activity sensor device for detecting electrical activity and electrical activity monitoring apparatus

#98
20160305986
2016-10-20

Device for Detecting and Measuring the Current and Voltage of Electric Circuits in a Building

#99
20160266178
2016-09-15

VDS equalizer offset compensation for a current sense circuit

#100
20160238651
2016-08-18

Electronic device including connectors and method of operating the same

#101
20160238638
2016-08-18

Device and method for detecting a state

#102
20160181929
2016-06-23

Flyback converter output current evaluation circuit and evaluation method

#103
20160164430
2016-06-09

Voltage detection circuit and a method of detecting voltage changes

#104
20160138553
2016-05-19

Spark plug fouling detection

#105
20160118824
2016-04-28

Remotely monitorable multi-port charging device

#106
20160082855
2016-03-24

CONNECTION MONITORING APPARATUS AND BATTERY SHARING SYSTEM

#107
20160056138
2016-02-25

Vertical sense devices in vertical trench MOSFET

#108
20150339908
2015-11-26

Integral safety display for a test switch

#109
20150331049
2015-11-19

Systems and methods for sensing current while minimizing measurement error and power loss

#110
20150323571
2015-11-12

CURRENT SENSING SYSTEM AND METHOD

#111
20150323567
2015-11-12

RESISTOR FOR DETECTING CURRENT

#112
20150301090
2015-10-22

Electric Circuit Isolator/Tester

#113
20150270840
2015-09-24

Current detection circuit and pile-up detection circuit

#114
20150204919
2015-07-23

Current detection structure

#115
20150198636
2015-07-16

Load testing apparatus

#116
20150192619
2015-07-09

Current and/or voltage sensor device with a memory element

#117
20150183284
2015-07-02

Method of recognizing trailer of tractor vehicle

#118
20150106048
2015-04-16

Method for detecting power interruption duration of an electronic device

#119
20140340094
2014-11-20

Current tester

#120
20140153301
2014-06-05

AC signal detector and the method thereof

#121
20140093373
2014-04-03

SYSTEM AND METHOD FOR DETECTING LIGHTNING STRIKES ON A WIND TURBINE

#122
20140077797
2014-03-20

Current sensor

#123
20130308152
2013-11-21

Power supply device and image forming apparatus having the same

#124
20130265168
2013-10-10

Electrical device current flow indicator

#125
20130222962
2013-08-29

CIRCUIT BOARD METER FOR CIRCUIT BREAKERS

#126
20130154617
2013-06-20

Current detecting device and attaching structure thereof

#127
20130141244
2013-06-06

Electrical circuit identification means

#128
20130088804
2013-04-11

PULSE CURRENT SENSOR AND LIGHTNING PROTECTION CABINET WITH SURGE WAVE RECORDING COMPOSED OF THE SENSOR

#129
20130002236
2013-01-03

Device for measuring the electric current flowing in an electric apparatus, said device enabling power measurement, and an electric apparatus comprising same

#130
20120182720
2012-07-19

Illuminating safety glove

#131
20110210717
2011-09-01

Apparatus and methods for mapping a wired network

#132
20110029263
2011-02-03

Conductor apparatus, system, and method of displaying whether a number of conductors conduct current

#133
20100225299
2010-09-09

Wall scanner

#134
20100218715
2010-09-02

Faulted circuit indicator device having an improved clamping mechanism

#135
20090219164
2009-09-03

Faulted circuit indicator with fault characteristic detection and display

#136
20090219163
2009-09-03

Faulted circuit indicator with fault characteristic detection and display

#137
20080310648
2008-12-18

Current sensing system and method

#138
20070138164
2007-06-21

Function-supervising device

#139
20050167423
2005-08-04

Function-supervising device

#140
16365211
2019-11-26

Alarm screen with embedded wireless transmitter

#141
16122599
2020-10-27

Leak detection system for underground access chambers using conductivity