ClassID:

201724

H01F2027/406 - CPC Classification

Classification description:

Details of transformers or inductances, in general; Structural association with built-in electric component, e.g. fuse; Association of measuring or protective means Temperature sensor or protection

Recent Application in this class:
#1
20260056236
2026-02-26

NTERFACE TEST DEVICE WITH LOW POWER SWITCH

#2
20260020209
2026-01-15

AN ELECTROSTATIC SHIELDING ELEMENT, AN ELECTROSTATIC SHIELDING ARRANGEMENT AND A TRANSFORMER ARRANGEMENT COMPRISING THE ELECTROSTATIC SHIELDING ARRANGEMENT

#3
20250369819
2025-12-04

LEAK DETECTION IN TRANSFORMERS

#4
20250182959
2025-06-05

OPTICALLY INDICATING THERMAL ADVISORY

#5
20240379274
2024-11-14

TRANSFORMER

#6
20240120149
2024-04-11

A COIL UNIT, AND ASSOCIATED METHODS

#7
20240087790
2024-03-14

OVERTEMPERATURE DETECTING SYSTEM, OVERTEMPERATURE PROTECTING SYSTEM, AND OVERTEMPERATURE DETECTING METHOD

#8
20230178297
2023-06-08

Electromagnetic device equipped with at least one wireless sensor

#9
20230170137
2023-06-01

Embedded temperature sensor solution for power inductor

#10
20230144327
2023-05-11

DISTRIBUTION TRANSFORMER SYSTEM AND METHODS THEREOF

#11
20230124638
2023-04-20

Wireless power transmission apparatus

#12
20220328233
2022-10-13

Electric transformer assembly, method for determining a thermal state of an electric transformer, and determination device

#13
20220271527
2022-08-25

Transformer overcurrent protection

#14
20220181076
2022-06-09

Inductor temperature sensor

#15
20220148799
2022-05-12

Alert system for transformer

#16
20220102049
2022-03-31

Electric transformer assembly, method for determining a thermal state of an electric transformer, and determination device

#17
20220102048
2022-03-31

Static electrical device assembly comprising heat exchanger system

#18
20210304957
2021-09-30

Wound component

#19
20210241971
2021-08-05

Sensformer

#20
20210190604
2021-06-24

Continuously transposed cable with an integrated sensing device

#21
20210131876
2021-05-06

Apparatus, system and method for temperature measurement for dry-type transformer

#22
20210123797
2021-04-29

Fiber optic sensing system for grid-based assets

#23
20210104846
2021-04-08

Power connector with integrated power monitoring

#24
20210043373
2021-02-11

Distribution transformer system and methods thereof

#25
20210020360
2021-01-21

Internal thermal fault diagnosis method of oil-immersed transformer based on deep convolutional neural network and image segmentation

#26
20200411233
2020-12-31

Temperature based fluid level estimation in an electrical device

#27
20200393521
2020-12-17

Smart grid distribution transformer

#28
20200381175
2020-12-03

Static electric induction apparatus comprising a winding and a sensor system for monitoring the temperature in the winding

#29
20200378836
2020-12-03

Wound electrical component with printed electronics sensor

#30
20200312538
2020-10-01

Method for determining the overload capacity of a high-voltage device

#31
20200274349
2020-08-27

Protection circuit for a medium voltage or high voltage transformer

#32
20200153229
2020-05-14

System for detecting and limiting the effects of loss of insulation of an electrical transformer

#33
20200141512
2020-05-07

Valve with temperature compensation

#34
20200098513
2020-03-26

Systems and methods for monitoring components in a power transformer or the like

#35
20190378648
2019-12-12

Transformer power management controllers and transformer power management methods

#36
20190358728
2019-11-28

Method and Apparatus for Providing Auxiliary and Welding Type Power With Thermal Protection

#37
20190318862
2019-10-17

Electrical device having a plurality of cooling units

#38
20190280437
2019-09-12

Power connector with integrated power monitoring

#39
20190272948
2019-09-05

Coil component

#40
20190259521
2019-08-22

Electrical device having encapsulated spaces cooled with different intensity

#41
20190241087
2019-08-08

Thermal feedback for power transfer optimization

#42
20190195697
2019-06-27

THERMOMETER

#43
20190148054
2019-05-16

Thermal management system for vehicle power inductor assembly

#44
20190097278
2019-03-28

Method and electronic device for detecting battery swelling

#45
20190081517
2019-03-14

SENSOR MODULES FOR WIRELESS CHARGING MATS

#46
20190072437
2019-03-07

Distributed sensing of electromagnetic components using optical fiber based methods

#47
20190066897
2019-02-28

COIL PART

#48
20190057810
2019-02-21

Reactor

#49
20190041446
2019-02-07

Optical sensing methods and systems for transformers, and the construction thereof

#50
20190027304
2019-01-24

REACTOR

#51
20190019614
2019-01-17

Reactor having temperature sensor attached to terminal base unit

#52
20190013144
2019-01-10

Reactor

#53
20180366268
2018-12-20

Reactor having iron cores and coils

#54
20180348283
2018-12-06

Method, system and assembly for determining a reduction of remaining service lifetime of an electrical device during a specific time period of operation of the electrical device

#55
20180191146
2018-07-05

Thermal protector

#56
20180095041
2018-04-05

Optical sensing system for determining hydrogen partial pressure

#57
20170352476
2017-12-07

Reactor

#58
20170338035
2017-11-23

Coiled elements comprising a temperature measuring device

#59
20170331233
2017-11-16

Power connector with integrated power monitoring

#60
20170307449
2017-10-26

Magnetic based temperature sensing for electrical transmission line

#61
20170301449
2017-10-19

ELECTRICAL TRANSFORMER SYSTEMS AND METHODS

#62
20170184457
2017-06-29

Reactor

#63
20170104367
2017-04-13

SYSTEMS AND METHODS FOR AN ELECTRICAL POWER CONNECTOR

#64
20170101918
2017-04-13

Fan cooled ignition coil method and apparatus

#65
20170011612
2017-01-12

System and method for monitoring and controlling a transformer

#66
20160252401
2016-09-01

Oil-immersed transformer thermal monitoring and prediction system

#67
20160247622
2016-08-25

Fault tolerant subsea transformer

#68
20160217921
2016-07-28

Reactor

#69
20160129520
2016-05-12

Method and apparatus for providing auxiliary and welding type power with thermal protection

#70
20160124024
2016-05-05

Self-correcting current transformer system

#71
20160069750
2016-03-10

Thermal well for transformer and methods

#72
20160064142
2016-03-03

TRANSFORMER WITH INTEGRATED FLUID FLOW SENSOR

#73
20160055965
2016-02-25

Stationary Induction Electric Machine

#74
20160047765
2016-02-18

Method and apparatus for leakage monitoring for oil-immersed electrical transformers

#75
20160005522
2016-01-07

Profiling transformer of power system

#76
20150357828
2015-12-10

Power receiving device and power transmitting device

#77
20150348695
2015-12-03

Method for producing a coil integrated in a substrate or applied to a substrate, and electronic device

#78
20150287525
2015-10-08

Reactor, converter, and power conversion device

#79
20150279550
2015-10-01

Manufacturing method of a reactor

#80
20150235759
2015-08-20

High voltage transformer having a sensor system, method for monitoring physical characteristic variables of a high voltage transformer and sensor system for monitoring physical characteristic variables

#81
20150179329
2015-06-25

Reactor and reactor manufacturing method, and power converter

#82
20150162119
2015-06-11

Coil and manufacturing method for same, and reactor

#83
20140368059
2014-12-18

TRANSFORMER, ELECTRONIC APPARATUS, AND METHOD FOR CONTROLLING TRANSFORMER

#84
20140292456
2014-10-02

Reactor

#85
20140049880
2014-02-20

Temperature sensing system for power electronic device

#86
20140036958
2014-02-06

Hybrid mechanical and electrical transformer monitor

#87
20140034286
2014-02-06

Self-aligning plug for positioning a temperature sensor within a transformer winding

#88
20130314964
2013-11-28

Reactor

#89
20130158897
2013-06-20

System and method for monitoring and controlling a transformer

#90
20130056459
2013-03-07

MICROWAVE OVEN

#91
20120092114
2012-04-19

POWER TRANSFORMER CONDITION MONITOR

#92
20110257924
2011-10-20

SELF-MONITORING AND COMMUNICATING TRANSFORMER

#93
20110093216
2011-04-21

Method and device for determining the relative humidity of an insulating liquid filled electric apparatus

#94
20100315188
2010-12-16

Apparatus and method for cooling power transformers

#95
20100226410
2010-09-09

Securing structure of sensor element having lead and securing unit thereof

#96
20100109883
2010-05-06

Temperature monitoring system for power transformers submerged in oil

#97
20090278523
2009-11-12

NON-CONTACT POWER TRANSMISSION DEVICE, POWER TRANSMISSION DEVICE AND ELECTRONIC APPARATUS USING THE SAME

#98
20090231075
2009-09-17

Oil cooling system, particularly for transformers feeding traction electric motors, transformer with said system and method for determining the cooling fluid flow in a cooling system

#99
20090195069
2009-08-06

SIGNAL TRANSMISSION CIRCUIT

#100
20090180514
2009-07-16

TRANSFORMER AND A METHOD OF MONITORING AN OPERATION PROPERTY OF THE TRANSFORMER

#101
20080164839
2008-07-10

Noncontact charging device with temperature detection

#102
20060250683
2006-11-09

Transformer temperature monitoring and control

#103
20050247706
2005-11-10

Microwave oven

#104
20050180078
2005-08-18

Solenoid protection method and apparatus

#105
20050082084
2005-04-21

Integrated arrangement of optical fibers in a conductor

#106
20050040924
2005-02-24

Apparatus and method for cooling electrical transformers

#107
18677446
2025-12-02

Leak detection in transformers