ClassID:

171695

G01R31/1245 - 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 line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings

Recent Application in this class:
#1
20250279254
2025-09-04

Modular Pole Assembly for Overhead Line Systems

#2
20250172605
2025-05-29

Automated electrical characterization on HV cable peeling

#3
20250037908
2025-01-30

ELECTRICAL ISOLATOR

#4
20240353465
2024-10-24

ARRANGEMENT HAVING AN INSULATION MONITOR, AND IT SYSTEM

#5
20240319291
2024-09-26

BUSHING AND A METHOD FOR MONITORING OF THE BUSHING

#6
20240241168
2024-07-18

DEFECT DETECTION METHOD AND APPARATUS FOR CUSHION LAYER OF CABLE, DEVICE, AND STORAGE MEDIUM

#7
20240046775
2024-02-08

SYSTEM AND METHOD FOR REMOTE INSPECTION OF EQUIPMENT MECHANICAL DIAL GAUGE READINGS, ELECTRICAL TERMINATION AND BUSHING CONDITION MONITORING

#8
20230393187
2023-12-07

SYSTEM AND METHOD FOR ON-LINE TRANSFORMER BUSHINGS POWER FACTOR MONITORING

#9
20230194592
2023-06-22

Leakage and flashover current monitoring system in VHV overhead line insulators

#10
20220413033
2022-12-29

Insulation monitoring device and control method therefor

#11
20220368140
2022-11-17

CHARGING CONTROLLER AND VEHICLE

#12
20220113343
2022-04-14

Infrared zero value diagnosis method and system for porcelain insulator string

#13
20220042858
2022-02-10

High voltage system comprising a temperature distribution determining device

#14
20210356370
2021-11-18

Mechanical reliability testing platform and testing method for tri-post insulators in GIL device

#15
20210325442
2021-10-21

Overhead power line insulator including a leakage current measurement device having extended battery life

#16
20200355776
2020-11-12

Calibration standard for partial discharge measurement

#17
20200348354
2020-11-05

FOULING SENSOR

#18
20200110125
2020-04-09

Monitoring insulation faults in a high-voltage system

#19
20200057103
2020-02-20

Method and apparatus for monitoring the loss factor of capacitor bushings

#20
20190257859
2019-08-22

Apparatus for measuring DC leakage current and method of use

#21
20180356455
2018-12-13

CAPACITANCE SENSOR

#22
20180313885
2018-11-01

Direct current meter employing waveform separator for detecting leakage current

#23
20180156857
2018-06-07

System for detecting and indicating partial discharges and voltage in high-voltage electric power distribution systems

#24
20180113164
2018-04-26

Method for monitoring transformer bushings and a system therefor

#25
20180106850
2018-04-19

Composite insulator for an overhead power line with a protected leakage current detector

#26
20180106846
2018-04-19

Insulator for overhead power lines with a protected leakage currents detector

#27
20170227592
2017-08-10

Combined on-line bushing monitoring and geo-magnetic induced current monitoring system

#28
20170222427
2017-08-03

POWER SWITCHING ARRANGEMENT FOR LINE INSULATION MONITORING

#29
20170146588
2017-05-25

Insulation degradation monitoring device

#30
20160154051
2016-06-02

Active monitoring systems for high voltage bushings and methods related thereto

#31
20160116520
2016-04-28

Partial discharge signal processing method and apparatus employing neural network

#32
20150198652
2015-07-16

Method and device for insulation monitoring including alarm diagnosis display

#33
20150177308
2015-06-25

Apparatus for insulating monitoring

#34
20150168472
2015-06-18

Apparatus and method for measuring leakage currents on porcelain and glass insulator disc strings

#35
20150160282
2015-06-11

Partial discharge detection apparatus and method

#36
20140368215
2014-12-18

Method and apparatus for monitoring high voltage bushings safely

#37
20130179099
2013-07-11

System and method for assessing faulty power-line insulator strings

#38
20130169286
2013-07-04

Leakage current sensor for post type insulator

#39
20130043881
2013-02-21

Apparatus and method for identifying high risk non-ceramic insulators (NCI) with conductive or high permittivity defects

#40
20130042706
2013-02-21

Apparatus and method for inspecting high voltage insulators

#41
20120036677
2012-02-16

Method for manufacturing a composite bushing, and partial discharge diagnostic system for composite bushing

#42
20110279278
2011-11-17

Monitoring and early warning alarm system for high voltage insulator failure

#43
20110101989
2011-05-05

Systems and methods for testing the standoff capability of an overhead power transmission line

#44
20110012616
2011-01-20

Systems and methods for assessing standoff capabilities of in-service power line insulators

#45
20110012615
2011-01-20

Systems and methods for assessing standoff capabilities of in-service power line insulators

#46
20110012436
2011-01-20

Systems and methods for assessing standoff capabilities of in-service power line insulators

#47
20100100239
2010-04-22

Robot mechanism for inspection of live-line suspension insulator string

#48
20100097076
2010-04-22

Monitoring system in real time of the state of capacitance graded bushings of power transformers, power reactors, current transformers, circuit breakers and similar

#49
20100045305
2010-02-25

Method and system for partial discharge testing of an insulation component

#50
20090312971
2009-12-17

APPARATUS AND METHOD FOR LOCATING INFERIOR PARTS IN POWER DISTRIBUTION LINE EQUIPMENT BASED ON VARIATION OF RADIO FREQUENCY NOISE SIGNAL

#51
20080167754
2008-07-10

OZONE AND OTHER MOLECULES SENSORS FOR ELECTRIC FAULT DETECTION

#52
20080100299
2008-05-01

Apparatus and method for identifying the presence of high conductivity or permittivity conditions in electrically insulating materials

#53
20070033989
2007-02-15

Testing procedure for evaluating diffusion and leakage currents in insulators

#54
20050231210
2005-10-20

Apparatus and method for field testing polymer insulators

#55
20050088196
2005-04-28

Apparatus for automatically measuring a relatively wide range of leakage currents

#56
20050075076
2005-04-07

Method and apparatus for measuring impedance of electrical component under high interference conditions

#57
17216809
2023-09-12

System and method for remote inspection of equipment mechanical dial gauge readings, electrical termination and bushing condition monitoring

#58
14838884
2016-06-21

Partial discharge signal normalization