ClassID:

171697

G01R31/1263 - 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 dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation

Sub-classes:
Recent Application in this class:
#1
20260133242
2026-05-14

APPARATUS FOR CHECKING BATTERY AND CHECKING METHOD OF BATTERY

#2
20260086135
2026-03-26

INVERTER PULSE INSULATION TEST DEVICE

#3
20260082475
2026-03-19

DETECTING ARCING EVENTS WITHIN A LINEAR ACCELERATOR

#4
20260062523
2026-03-05

FORMULA DESIGN AND OPTIMIZATION METHOD FOR CROSSLINKED POLYETHYLENE INSULATING MATERIAL OF HIGH-VOLTAGE ALTERNATING-CURRENT CABLE

#5
20260002973
2026-01-01

DEVICE OF EVALUATING SEPARATOR SAFETY AND METHOD OF EVALUATING THE SAME

#6
20250370026
2025-12-04

LINK-SIDE INSULATION MEASUREMENT

#7
20250355036
2025-11-20

METHOD, APPARATUS AND SYSTEM FOR MONITORING ULTRA-HIGH FREQUENCY PARTIAL DISCHARGE OF HYDRO-GENERATOR

#8
20250277842
2025-09-04

INSULATION DETECTION APPARATUS AND METHOD, AND ENERGY STORAGE APPARATUS

#9
20250244376
2025-07-31

INSULATION INSPECTION SYSTEM WITH VOLTAGE AND CURRENT BALANCING CIRCUIT

#10
20240343118
2024-10-17

SYSTEM FOR DIAGNOSTIC OF A BATTERY PACK, AND METHOD THEREOF

#11
20240288512
2024-08-29

Transformer Diagnostics System

#12
20240272219
2024-08-15

Insulation Resistance Measuring Device and Battery System Including the Same

#13
20240230744
2024-07-11

Contact Device and Characteristic Measuring Device Including the Same

#14
20240219444
2024-07-04

DETECTION APPARATUS AND TARGET DETECTION AND REPAIR SYSTEM

#15
20240168078
2024-05-23

ISOLATED AND SHIELDED PARTIAL DISCHARGE SENSOR DEVICE OF HIGH-FREQUENCY CURRENT TRANSFORMER TYPE, HFCT, HIGH GAIN AND LOW DISTORTION WITH SELF-HEATING SYSTEM FOR HIGH VOLTAGE EQUIPMENT AND INSTALLATIONS

#16
20240168077
2024-05-23

TRANSFORMER BUSHING PARTIAL DISCHARGE MONITORING CHIP DEVICE AND METHOD

#17
20240133938
2024-04-25

Contact device and characteristic measuring device including the same

#18
20240103087
2024-03-28

BATTERY SYSTEM, METHOD FOR DIAGNOSING A BATTERY SYSTEM

#19
20230333155
2023-10-19

Insulation detection device and insulation detection method for cooling plate of battery pack

#20
20230275423
2023-08-31

Systems and methods to cable shield fault detection and protection

#21
20230251296
2023-08-10

SYSTEMS AND METHOD FOR THE DESIGN AND RELIABILITY EVALUATION OF THE SURFACE SUBCOMPONENT OF INSULATION SYSTEMS

#22
20230142533
2023-05-11

Insulation inspecting device

#23
20230023109
2023-01-26

Underwater storage tank, system of assessing the physical integrity of an underwater tank, method for detecting a loss of physical integrity of an underwater storage tank

#24
20220365122
2022-11-17

Insulation resistance inspection system for battery module cell pouch

#25
20220321039
2022-10-06

System and method for detecting bearing insulation and ground brush health in a generator

#26
20220034954
2022-02-03

System for checking the electrical insulation in converters for electric cars

#27
20210344191
2021-11-04

Systems and methods to cable shield fault detection and protection

#28
20210325472
2021-10-21

System for obtaining battery state information

#29
20210108971
2021-04-15

Systems and methods for measuring internal transformer temperatures

#30
20210080496
2021-03-18

EMC test system for rotating load and a test method thereof

#31
20210050145
2021-02-18

Insulation of non-liquid immersed transformers

#32
20200369476
2020-11-26

Sensor device for recognizing consecutive objects

#33
20200326364
2020-10-15

Method of Diagnosing Oil-Immersed Electrical Apparatus

#34
20200249264
2020-08-06

Integrated circuit having insulation monitoring with frequency discrimination

#35
20200158790
2020-05-21

Diagnostic device for coil and diagnosis method for coil

#36
20200141993
2020-05-07

Surface charging systems and method for charging a non-planar surface

#37
20200081072
2020-03-12

Method for insulation monitoring of a converter-supplied power supply system

#38
20190383763
2019-12-19

Verifying structural integrity of materials using reference impedance

#39
20190235013
2019-08-01

Parameter selection method and apparatus, and storage medium for insulation detection circuit

#40
20190041450
2019-02-07

AN INTELLIGENT ASSESSMENT METHOD OF MAIN INSULATION CONDITION OF TRANSFORMER OIL PAPER INSULATION

#41
20180315546
2018-11-01

Transformer system and system for measuring pressure in a transformer tank

#42
20180284176
2018-10-04

System and methods for determining the impact of moisture on dielectric sealing material of downhole electrical feedthrough packages

#43
20180217198
2018-08-02

Evaluation of phase-resolved partial discharge

#44
20180178004
2018-06-28

Alarm for lead insulation abnormality

#45
20180120247
2018-05-03

Electric conductivity meter

#46
20180059165
2018-03-01

Method and apparatus for inspecting heat sink and method for manufacturing heat sink

#47
20180017611
2018-01-18

Method and apparatus for an electrical fault detecting system for a circuit

#48
20170363688
2017-12-21

System and method for inspection of a generator stator core step iron region with the rotor in-situ

#49
20170343593
2017-11-30

Apparatus for determining insulation resistance at a PV generator, and photovoltaic installation

#50
20170328947
2017-11-16

High-voltage isolator testing

#51
20170285093
2017-10-05

Oil resistance test method and oil resistance test apparatus

#52
20170261543
2017-09-14

Apparatus and method for evaluating non-ceramic insulators with conformal probe

#53
20170184651
2017-06-29

High-voltage dry apparatus provided with a continuous monitoring device

#54
20170115336
2017-04-27

Dual galvanic isolation barriers and monitoring systems and methods

#55
20170059642
2017-03-02

Partial discharge detection bandwidth expansion through input signal aliasing

#56
20170016951
2017-01-19

Insulation resistance measuring device and method capable of rapidly measuring insulation resistance

#57
20160274170
2016-09-22

Isolator, semiconductor device, and method for controlling isolator

#58
20160252564
2016-09-01

Method and apparatus for monitoring capacitor bushings for a three-phase AC system

#59
20160225560
2016-08-04

Relay unit for performing insulation diagnosis and method for controlling same

#60
20160223604
2016-08-04

Method for inspecting insulator for spark plug

#61
20160216309
2016-07-28

Partial-discharge measurement method and high-voltage device inspected using same

#62
20160193463
2016-07-07

Alarm for lead insulation abnormality

#63
20160169960
2016-06-16

Method and system for detecting malfunction of an electric boiler

#64
20160169958
2016-06-16

Discharge occurrence status evaluation device and evaluation method

#65
20160154051
2016-06-02

Active monitoring systems for high voltage bushings and methods related thereto

#66
20160116527
2016-04-28

STOCHASTIC AND TOPOLOGICALLY AWARE ELECTROMIGRATION ANALYSIS METHODOLOGY

#67
20160072157
2016-03-10

Inspection method for film covered battery

#68
20160068960
2016-03-10

Method for generating plasma uniformly on dielectric material

#69
20160041219
2016-02-11

METHOD AND DEVICE FOR DETERMINING POWER SYSTEM PARAMETERS

#70
20160003887
2016-01-07

Isolator, semiconductor device, and method for controlling isolator

#71
20150359584
2015-12-17

Device and method for detecting faults in a shielded instrument

#72
20150357972
2015-12-10

Method and device for detecting electrical arcing in a photovoltaic installation

#73
20150194358
2015-07-09

Circuit and method for internally assessing dielectric reliability of a semiconductor technology

#74
20150028885
2015-01-29

Method for evaluation of cable aging degradation based on slice sampling

#75
20140368215
2014-12-18

Method and apparatus for monitoring high voltage bushings safely

#76
20140320139
2014-10-30

Apparatus and method for remote monitoring of partial discharge in electrical apparatus

#77
20140292350
2014-10-02

FAILURE DETECTION APPARATUS FOR AN ELECTRICALLY HEATED CATALYST

#78
20140277321
2014-09-18

Alarm for lead insulation abnormality

#79
20140159908
2014-06-12

Isolation resistance measuring apparatus having fault self-diagnosing function and fault self-diagnosing method using the same

#80
20140159755
2014-06-12

Partial discharge charge amount measuring method and device

#81
20140091805
2014-04-03

Battery module and insulation inspecting method of battery module

#82
20140055149
2014-02-27

Tester for measuring insulating properties of cross-linked polyethylene

#83
20130242088
2013-09-19

Device and method for detecting discharges

#84
20130241582
2013-09-19

Arc resistance performance evaluation device, arc resistance performance evaluation system, and arc resistance performance evaluation method

#85
20130162265
2013-06-27

High voltage probe apparatus and method for tire inner surface anomaly detection

#86
20130049971
2013-02-28

Battery thermal event detection system utilizing battery pack isolation monitoring

#87
20120265458
2012-10-18

Corona and partial discharge diagnostic device and method for using the same

#88
20120212245
2012-08-23

CIRCUIT AND METHOD FOR TESTING INSULATING MATERIAL

#89
20120186071
2012-07-26

Insulation failure inspecting apparatus, insulation failure inspecting method using same, and method for manufacturing electrochemical cell

#90
20120019256
2012-01-26

Method and apparatus for checking insulation of pouch electric cell and probe for the same

#91
20110241695
2011-10-06

Methods and systems for monitoring capacitor banks

#92
20110191043
2011-08-04

Apparatus and method for checking insulation of cell module assembly and probe for it

#93
20110169504
2011-07-14

Method and apparatus for measuring bearing currents in an electrical machine

#94
20110102097
2011-05-05

System for transmitting an electric pulse and device for capacitive disconnection for such a system

#95
20100171511
2010-07-08

Motor insulation deterioration detection device

#96
20100117676
2010-05-13

Method and system for non-destructive determination of dielectric breakdown voltage in a semiconductor wafer

#97
20090325328
2009-12-31

Plasma processing apparatus and plasma processing method

#98
20090302864
2009-12-10

Method and device for indicating an electric discharge inside a bearing of an electric drive system

#99
20090251159
2009-10-08

Device and method for analyzing defects, particularly for items made of plastics

#100
20090109021
2009-04-30

System for monitoring electrical equipment and providing predictive diagnostics therefor

#101
20080301891
2008-12-11

Robot mechanism for cleaning and inspection of live-line insulators

#102
20080197855
2008-08-21

Insulation Resistance Drop Detector and Failure Self-Diagnosis Method for Insulation Resistance Drop Detector

#103
20080174320
2008-07-24

PARTIAL DISCHARGE SENSOR AND PARTIAL DISCHARGE MONITORING SYSTEM UTILIZING CURRENT SENSORS

#104
20080024144
2008-01-31

Method and apparatus for dry testing non-conductive containers for carrying people

#105
20070194794
2007-08-23

Test apparatus and test method

#106
20070188185
2007-08-16

Method of inspecgin a leakage current characteristic of a dielectric layer

#107
20060022698
2006-02-02

Method of inspecting a leakage current characteristic of a dielectric layer and apparatus for performing the method

#108
20050263247
2005-12-01

Plasma processing apparatus and plasma processing method

#109
19177091
2025-08-05

Testing method for carrier mobility of insulating polymers