ClassID:

171263

G01R1/20 - CPC Classification

Classification description:

Details of instruments or arrangements of the types included in groups  -  and Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments

Sub-classes:
Recent Application in this class:
#1
20260126470
2026-05-07

DYNAMIC PROBE COLORING AND STATUS INFORMATION USING PASSIVE OPTICAL FIBER

#2
20260110684
2026-04-23

MODULAR ASSAY READER DEVICE

#3
20260043872
2026-02-12

SYSTEM AND DEVICE FOR PORTABLE ELECTRICAL TESTING AND CONTROL

#4
20250231238
2025-07-17

POLE DISCONNECT INDICATOR AND TEST SWITCH ASSEMBLIES FOR ELECTRICAL SWITCHBOARDS

#5
20250164524
2025-05-22

TERMINAL BLOCK TEST ADAPTER

#6
20250076341
2025-03-06

CURRENT MEASUREMENT APPARATUS

#7
20240377438
2024-11-14

SHORT CIRCUIT TESTER FOR HIGH POWER DC CIRCUITS

#8
20240319182
2024-09-26

MODULAR ASSAY READER DEVICE

#9
20240159797
2024-05-16

OPTICALLY-IMPLEMENTED ANALOG MUX ACCESSORY FOR A TEST AND MEASUREMENT INSTRUMENT

#10
20240142522
2024-05-02

ELECTRONIC DEVICE

#11
20240125839
2024-04-18

System for Testing Electrical Products in a Closed Circuit

#12
20230393175
2023-12-07

Test system for an intelligent electronic device in an electric sub-station

#13
20230384348
2023-11-30

Amplitude-modulating probe card and its probe and amplitude-modulating structure

#14
20220357321
2022-11-10

Modular assay reader device

#15
20220221495
2022-07-14

Test system for an intelligent electronic device in an electric sub-station

#16
20220187340
2022-06-16

Pull tab with conductive pads

#17
20220099704
2022-03-31

CABLE HARNESS AND ASSET INDICATOR DEVICE FOR A DATA COMMUNICATION SENSING AND MONITORING SYSTEM

#18
20210288386
2021-09-16

Busbar for battery system and battery system having the same

#19
20210263189
2021-08-26

Lightning strike alarm system using bipolar conventional air terminal

#20
20210199728
2021-07-01

Resonance voltage attenuation detection circuit, semiconductor device for switching power, and switching power supply

#21
20210066865
2021-03-04

Wideband coupler

#22
20210028612
2021-01-28

Self-power relay and method for preventing malfunction thereof

#23
20210026386
2021-01-28

Expanded shunt current source

#24
20200278381
2020-09-03

Sensor with discrete impedance elements for high voltage connectors

#25
20200209431
2020-07-02

Lightning strike alarm system using bipolar conventional air terminal

#26
20200182936
2020-06-11

Shunt resistor and apparatus for detecting current including the same

#27
20200158758
2020-05-21

Current sensor

#28
20200116756
2020-04-16

Intermediate connection member and inspection apparatus

#29
20200083732
2020-03-12

Device and method for diagnosing switch using voltage distribution

#30
20200079240
2020-03-12

Battery pack, battery management system, and method therefor

#31
20190386469
2019-12-19

Electrical panel adapter providing pass through access to electrical signals within an enclosure

#32
20190347917
2019-11-14

Power and/or Alarming Security System for Electrical Appliances

#33
20190318898
2019-10-17

Vacuum tube rear device

#34
20190302183
2019-10-03

Real-time oscilloscope with a built-in time domain reflectometry (TDR) and/or time-domain transmission (TDT) function

#35
20190265277
2019-08-29

CIRCUIT BOARD FOR TESTING AND METHOD OF OPERATING THE SAME

#36
20190187139
2019-06-20

Modular assay reader device

#37
20190120878
2019-04-25

Fuse diagnosis device and method using voltage distribution

#38
20190113548
2019-04-18

Electric power measuring device

#39
20190073884
2019-03-07

Power and/or alarming security system for electrical appliances

#40
20190052257
2019-02-14

Apparatus and method for protecting MOSFET relay by using voltage detector and signal fuse

#41
20190004094
2019-01-03

Current measurement apparatus using shunt resistor

#42
20180372781
2018-12-27

SYSTEMS AND METHODS FOR LOW-POWER CURRENT & VOLTAGE SENSING USING AN OPTICALLY COUPLED ISOLATOR

#43
20180328981
2018-11-15

Semiconductor probe test card with integrated hall measurement features

#44
20180252751
2018-09-06

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

#45
20180239059
2018-08-23

Lightning strike alarm system using bipolar conventional air terminal

#46
20180210010
2018-07-26

Method for operating an electric machine, electric machine

#47
20180131337
2018-05-10

Voltage detection circuit

#48
20180115090
2018-04-26

Motorized hot stick system for clamping grounding devices on overhead lines

#49
20180024163
2018-01-25

Probe module having cantilever MEMS probe and method of making the same

#50
20170370968
2017-12-28

CURRENT SENSOR

#51
20170350922
2017-12-07

Optoelectric measuring device and method for measuring an electrical current

#52
20170299633
2017-10-19

Method and system for packet acquisition, analysis and intrusion detection in field area networks

#53
20170254839
2017-09-07

Metal shunt resistor

#54
20170248631
2017-08-31

Dynamic output clamping for a probe or accessory

#55
20170234936
2017-08-17

Detecting a failure of a phase in a grid for inverters having a frequency detection in an intermediate DC voltage link

#56
20170146570
2017-05-25

PROBE CARD AND MULTILAYER CIRCUIT BOARD THIS PROBE CARD INCLUDES

#57
20170142067
2017-05-18

Method and system for packet acquistion, analysis and intrusion detection in field area networks

#58
20160274164
2016-09-22

Test and measurement device with a pistol-grip handle

#59
20160139180
2016-05-19

Testing semiconductor devices

#60
20160139178
2016-05-19

Dual output high voltage active probe with output clamping and associated methods

#61
20160021059
2016-01-21

Method and system for packet acquistion, analysis and intrusion detection in field area networks

#62
20160018442
2016-01-21

Coaxial structure for transmission of signals in test equipment

#63
20150377973
2015-12-31

Voltage monitoring device

#64
20150346273
2015-12-03

BRANCH CIRCUIT MONITORING SYSTEM

#65
20150331020
2015-11-19

System and method for voltage and current sensing

#66
20150309074
2015-10-29

Probe card

#67
20150301104
2015-10-22

Circuitry to protect a test instrument

#68
20150293167
2015-10-15

Insulation detecting device and insulation detecting method of non-grounded power supply

#69
20150261377
2015-09-17

Combined capacitive sensing

#70
20150244163
2015-08-27

Current and voltage module and methods of monitoring current and voltage in power distribution systems

#71
20150243428
2015-08-27

METHODS AND SYSTEMS OF FIELD UPGRADEABLE TRANSFORMERS

#72
20150241478
2015-08-27

Package on package thermal forcing device

#73
20150226779
2015-08-13

Ground fault detection

#74
20150219691
2015-08-06

Input circuit for current transformer

#75
20150212116
2015-07-30

Magnetically coupled DC current sensor

#76
20150185253
2015-07-02

Probe module

#77
20150168464
2015-06-18

SYSTEM FOR MONITORING ELECTRICAL POWER USAGE OF A STRUCTURE AND METHOD OF SAME

#78
20150138347
2015-05-21

Portable self powered line mounted high speed camera system for overhead electric power lines

#79
20150123690
2015-05-07

Probe card

#80
20150115973
2015-04-30

Device for electrically testing the interconnections of a microelectronic device

#81
20150112621
2015-04-23

Voltage detection device for transforming apparatus

#82
20150107102
2015-04-23

Method for manufacturing space transformer by using carrier substrate made for chip package and provided with elongated contacts

#83
20150091605
2015-04-02

Portable self powered line mountable electric power line current monitoring transmitting and receiving system

#84
20150084648
2015-03-26

Capacitive Sensor Arrangement

#85
20150061645
2015-03-05

Sensor device with inductors

#86
20150015242
2015-01-15

Voltage detection circuit

#87
20150008944
2015-01-08

Test system and method for testing high-voltage technology

#88
20150008901
2015-01-08

Pre-charging filters to reduce settling time

#89
20140375304
2014-12-25

Pre-settable current sensing apparatus, system, and/or method

#90
20140375302
2014-12-25

Automatic switchable low threshold current power supply

#91
20140347039
2014-11-27

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

#92
20140340072
2014-11-20

Sensor devices and methods for use in sensing current through a conductor

#93
20140330539
2014-11-06

SEMICONDUCTOR INTEGRATED CIRCUIT AND SEMICONDUCTOR PHYSICAL QUANTITY SENSOR DEVICE

#94
20140320157
2014-10-30

Oscilloscope probe having output clamping circuit

#95
20140292309
2014-10-02

Current sensor

#96
20140292307
2014-10-02

DC decoupled current measurement

#97
20140239971
2014-08-28

DEBUGGING CIRCUIT AND CIRCUIT BOARD USING SAME

#98
20140203799
2014-07-24

Clamp including fixed and movable jaws for measuring a ground loop current

#99
20140179174
2014-06-26

Fixed tap low threshold current power supply

#100
20140177672
2014-06-26

Portable self powered line mountable device for measuring and transmitting the undisturbed conductor temperature of electric power line conductors

#101
20140176702
2014-06-26

Portable self powered line mounted high speed camera system for overhead electric power lines

#102
20140176276
2014-06-26

Switchable low threshold current power supply

#103
20140176275
2014-06-26

Automatic switchable low threshold current power supply

#104
20140176164
2014-06-26

Portable self powered line mounted device and method for measuring the voltage of electric power line conductors

#105
20140176161
2014-06-26

Portable self powered line mountable device for measuring and transmitting relative humidity

#106
20140176155
2014-06-26

Portable self powered line mountable device for measuring and transmitting solar radiation

#107
20140176122
2014-06-26

Portable self powered line mountable device for measuring and transmitting ambient temperature

#108
20140176121
2014-06-26

Portable self powered line mountable electric power line current monitoring transmitting and receiving system

#109
20140174260
2014-06-26

Hotstick assembly for installing and removing devices from high voltage energized overhead power lines

#110
20140174170
2014-06-26

Portable self powered line mounted conductor ice thickness measuring system for overhead electric power lines

#111
20140173891
2014-06-26

Portable self powered line mountable electric power line and environment parameter monitoring transmitting and receiving system

#112
20140139205
2014-05-22

Differential probe with common-mode offset

#113
20140125319
2014-05-08

Electrical joint monitoring device and electrical joint monitoring system employing the same

#114
20140103734
2014-04-17

Dynamic wireless power control

#115
20140028288
2014-01-30

Status monitoring cables for generators

#116
20130328547
2013-12-12

Current shunt

#117
20130307575
2013-11-21

Switch control unit, test apparatus and method for liquid crystal cell

#118
20130227689
2013-08-29

Method and system for packet acquisition, analysis and intrusion detection in field area networks

#119
20130226485
2013-08-29

Multi-function electric meter adapter and method for use

#120
20130110432
2013-05-02

Pre-charging filters to reduce settling time

#121
20130021036
2013-01-24

TEST AND MEASUREMENT DEVICE WITH A PISTOL-GRIP HANDLE

#122
20120319677
2012-12-20

DC decoupled current measurement

#123
20120318546
2012-12-20

Battery pack for use with a power tool and a non-motorized sensing tool

#124
20120262123
2012-10-18

Circuit module and battery pack including the same

#125
20120072143
2012-03-22

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

#126
20120068692
2012-03-22

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

#127
20120044197
2012-02-23

Capacitive sensor arrangement

#128
20110169481
2011-07-14

Test and measurement device with a pistol-grip handle

#129
20110095818
2011-04-28

Method and apparatus for accurately measuring currents using on chip sense resistors

#130
20100090719
2010-04-15

Switch control unit, test apparatus and method for liquid crystal cell

#131
20090229842
2009-09-17

Battery pack for use with a power tool and a non-motorized sensing tool

#132
16563338
2021-06-22

Active harmonic load pull impedance tuner

#133
13896764
2017-12-05

Multi-frequency attenuation and phase controller