ClassID:

201714

H01F2027/348 - CPC Classification

Classification description:

Details of transformers or inductances, in general; Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields Preventing eddy currents

Recent Application in this class:
#1
20260088215
2026-03-26

TRANSFORMER

#2
20260024696
2026-01-22

CIRCUIT BOARD INTEGRATED INDUCTOR, INDUCTOR, AND ELECTRONIC DEVICE

#3
20250316417
2025-10-09

TRANSFORMER

#4
20250183719
2025-06-05

Method of Fabricating an Antenna Having a Substrate Configured to Facilitate Through-Metal Energy Transfer Via Near Field Magnetic Coupling

#5
20250157726
2025-05-15

HYSTERETANCE COMPONENT AND APPLICATION METHOD THEREOF

#6
20250149236
2025-05-08

REDUCTION OF EDDY CURRENT LOSS INDUCED BY LEAKAGE MAGNETIC FIELD IN TRANSFORMERS AND INDUCTORS

#7
20250095912
2025-03-20

Wireless Power Transfer Thin Profile Coil Assembly

#8
20250054687
2025-02-13

TRANSFORMER COMPRISING A PLURALITY OF WINDINGS

#9
20240379285
2024-11-14

NOVEL HIGH EFFICIENCY CENTER TAPPED TRANSFORMER STRUCTURE

#10
20240321494
2024-09-26

MAGNETIC ELEMENT AND MANUFACTURING METHOD

#11
20240312699
2024-09-19

INDUCTOR APPARATUS OPTIMIZED FOR LOW POWER LOSS IN CLASS-D AUDIO AMPLIFIER APPLICATIONS AND METHOD FOR MAKING THE SAME

#12
20240290536
2024-08-29

CELLULAR FLYBACK TRANSFORMER

#13
20240266878
2024-08-08

Method of fabricating an antenna having a substrate configured to facilitate through-metal energy transfer via near field magnetic coupling

#14
20240258023
2024-08-01

CONDUCTIVE MATERIALS IN ALTERNATING MAGNETIC FIELDS

#15
20240177925
2024-05-30

MAGNETIC COMPONENT FOR GALVANICALLY ISOLATED LCL-T RESONANT CONVERTER

#16
20240145161
2024-05-02

INDUCTOR COMPONENT

#17
20240030824
2024-01-25

Power Conversion Device

#18
20230395315
2023-12-07

Transformer comprising winding

#19
20230246061
2023-08-03

INDUCTOR DEVICE

#20
20230082987
2023-03-16

Method of fabricating an antenna having a substrate configured to facilitate through-metal energy transfer via near field magnetic coupling

#21
20220319756
2022-10-06

220KV transformer sleeve

#22
20220165488
2022-05-26

Spacer to reduce magnetic coupling

#23
20220037924
2022-02-03

Efficiency gains through magnetic field management

#24
20220005644
2022-01-06

Module

#25
20210358685
2021-11-18

Test and measurement instrument for determining magnetic core losses

#26
20210203189
2021-07-01

Method of fabricating an antenna having a substrate configured to facilitate through-metal energy transfer via near field magnetic coupling

#27
20210202165
2021-07-01

Inductive devices and methods of forming inductive devices

#28
20210151247
2021-05-20

Coil winding, coil module, transmitting apparatus, receiving apparatus, system, and terminal

#29
20210110963
2021-04-15

Coil component

#30
20200388435
2020-12-10

INDUCTOR APPARATUS OPTIMIZED FOR LOW POWER LOSS IN CLASS-D AUDIO AMPLIFIER APPLICATIONS AND METHOD FOR MAKING THE SAME

#31
20200279686
2020-09-03

Coil, wireless charging receiving apparatus, wireless charging transmission apparatus, and system

#32
20200241084
2020-07-30

Packages for coil actuated position sensors

#33
20200168393
2020-05-28

Wireless power transfer thin profile coil assembly

#34
20200161044
2020-05-21

Systems and methods for reducing undesired eddy currents

#35
20200083736
2020-03-12

Portable electronic device

#36
20200066438
2020-02-27

Dummy fill with eddy current self-canceling element for inductor component

#37
20200035409
2020-01-30

Magnetic shielding for plasma sources

#38
20200033931
2020-01-30

High speed / low power server farms and server networks

#39
20190371519
2019-12-05

Shield sheet for wireless charging module and wireless charging module

#40
20190371518
2019-12-05

Integrated circuit comprising a variable inductor

#41
20190250220
2019-08-15

Packages for coil actuated position sensors

#42
20190172633
2019-06-06

Magnetic flux leakage compensation structure

#43
20190139697
2019-05-09

MAGNETIC ELEMENT, METAL ANNULAR WINDING AND METHOD FOR MANUFACTURING THE SAME

#44
20190115787
2019-04-18

Wireless power transmitter with shielding structure

#45
20190006094
2019-01-03

Coil apparatus

#46
20180358166
2018-12-13

Via for magnetic core of inductive component

#47
20180340987
2018-11-29

Packages for coil actuated position sensors

#48
20180323007
2018-11-08

Systems and methods for reducing undesired eddy currents

#49
20180286575
2018-10-04

Magnetic sheet and wireless power charging apparatus including the same

#50
20180254140
2018-09-06

Magnetic shielding unit for wireless power transmission in magnetic resonance mode, and wireless power transmission module and electronic device comprising same

#51
20180218824
2018-08-02

Method of manufacturing inductors in BEOL with particulate magnetic cores

#52
20180218823
2018-08-02

Inductors in BEOL with particulate magnetic cores

#53
20180211768
2018-07-26

Surface-mounted LC device

#54
20180198322
2018-07-12

Wireless power transfer device and method with dual-frequency operation

#55
20180168057
2018-06-14

Substrate configured to facilitate through-metal energy transfer via near field magnetic coupling

#56
20180167110
2018-06-14

Method of fabricating an antenna having a substrate configured to facilitate through-metal energy transfer via near field magnetic coupling

#57
20180167109
2018-06-14

Electronic device having a sidewall configured to facilitate through-metal energy transfer via near field magnetic coupling

#58
20180167108
2018-06-14

Wireless system having a substrate configured to facilitate through-metal energy transfer via near field magnetic coupling

#59
20180167107
2018-06-14

Antenna having a substrate configured to facilitate through-metal energy transfer via near field magnetic coupling

#60
20180166921
2018-06-14

Method of operating a system having a substrate configured to facilitate through-metal energy transfer via near field magnetic coupling

#61
20180166210
2018-06-14

Coil device

#62
20180144861
2018-05-24

Electronic device including slotted conductive housing for eddy current control during wireless charging

#63
20180075963
2018-03-15

Traction transformer

#64
20180050595
2018-02-22

Electromagnetic decoupling of an antenna unit of a motor vehicle from an energy coupling device

#65
20180047501
2018-02-15

Detachable transformer

#66
20170330681
2017-11-16

Stationary induction apparatus

#67
20170278606
2017-09-28

Magnetic circuit component

#68
20170236637
2017-08-17

Low stray-loss transformers and methods of assembling the same

#69
20170076857
2017-03-16

Shielding structure for integrated inductor/transformer

#70
20170040100
2017-02-09

CORE PIECE AND REACTOR

#71
20160352153
2016-12-01

Coil unit and power supply system including the same

#72
20160293327
2016-10-06

Magnetic shield

#73
20160247629
2016-08-25

Transformer for reducing eddy current losses of coil

#74
20160236575
2016-08-18

Conductor arrangement structure for wireless power supply system

#75
20160217900
2016-07-28

Magnetic component and transformer

#76
20160148747
2016-05-26

Transformer

#77
20160104569
2016-04-14

Laminated common-mode choke coil

#78
20160086726
2016-03-24

Transformer

#79
20150332837
2015-11-19

Teardrop-shaped magnetic core and coil device using same

#80
20150310985
2015-10-29

Low stray-loss transformers and methods of assembling the same

#81
20150270058
2015-09-24

Magnetic shielding in inductive power transfer

#82
20150170829
2015-06-18

Method for configuring an electronic device having an inductive receiver coil with ultra-thin shielding layer

#83
20150137925
2015-05-21

Contactless power transfer transformer

#84
20150107891
2015-04-23

Apparatus for eddy current inhibiting electro-magnetic interference shielding

#85
20150076918
2015-03-19

Contactless power supply device

#86
20150054612
2015-02-26

Semiconductor package with air core inductor (ACI) having a metal-density layer unit of fractal geometry

#87
20140333408
2014-11-13

Low stray-loss transformers and methods of assembling the same

#88
20140266534
2014-09-18

Transformer

#89
20140218151
2014-08-07

Dry-type transformer

#90
20140176058
2014-06-26

Reducing inductive heating

#91
20140111151
2014-04-24

System and method for inductance compensation in wireless power transfer

#92
20140002223
2014-01-02

Semiconductor package with air core inductor (ACI) having a metal-density layer unit of fractal geometry

#93
20130176095
2013-07-11

Inductor with laminated yoke

#94
20120326829
2012-12-27

Transformer

#95
20120057322
2012-03-08

Electronic device having an inductive receiver coil with ultra-thin shielding layer and method

#96
20110291792
2011-12-01

High frequency transformers

#97
20110199174
2011-08-18

Inductor core shaping near an air gap

#98
20110102125
2011-05-05

Plane coil

#99
20110025444
2011-02-03

MAGNETIC CORE FOR A COIL DEVICE AND METHOD FOR MANUFACTURING A MAGNETIC CORE

#100
20100320843
2010-12-23

POWER RECEPTION COIL UNIT

#101
20100304976
2010-12-02

ELECTROMAGNET WITH LAMINATED FERROMAGNETIC CORE AND SUPERCONDUCTING FILM FOR SUPPRESSING EDDY MAGNETIC FIELD

#102
20100255292
2010-10-07

MOTOR PERMANENT-MAGNET

#103
20100244608
2010-09-30

Permanent magnet, manufacturing method thereof, and rotor and IPM motor

#104
20100194516
2010-08-05

Core for reactors comprising press-molded metallic magnetic particles, its manufacturing method, and reactor

#105
20100109662
2010-05-06

ARRANGEMENT AND METHOD FOR INFLUENCING AND/OR DETECTING MAGNETIC PARTICLES IN A REGION OF ACTION

#106
20100081483
2010-04-01

Shield for use with a computing device that receives an inductive signal transmission

#107
20100013586
2010-01-21

Power reactor for energy transfer

#108
20090167478
2009-07-02

DEVICE FOR IMPROVING EDDY CURRENT LOSS OF TRANSFORMER AND CONTROLLING METHOD THEREOF

#109
20090096565
2009-04-16

Parallel gapped ferrite core

#110
20090058358
2009-03-05

Power receiving device, and electronic apparatus and non-contact charger using the same

#111
20090007418
2009-01-08

Method for manufacturing a powder magnetic core

#112
20080290980
2008-11-27

Control of eddy currents in magnetic vias for inductors and transformers in integrated circuits

#113
20080169893
2008-07-17

Low AC resistant foil winding for magnetic coils on gapped cores

#114
20080129297
2008-06-05

Low eddy current vacuum vessel and method of making same

#115
20080030292
2008-02-07

Electromagnetic induction type processing apparatus

#116
20080007385
2008-01-10

Methods and apparatus for flux dispersal in link inductor

#117
20080001701
2008-01-03

Control of eddy currents in magnetic vias for inductors and transformers in integrated circuits

#118
20070109089
2007-05-17

Self-damped inductor

#119
20070080769
2007-04-12

High current, multiple air gap, conduction cooled, stacked lamination inductor

#120
20070069961
2007-03-29

Magnetic core member for antenna module, antenna module and portable information terminal equipped with antenna module

#121
20060202789
2006-09-14

Electrically decoupled integrated transformer having at least one grounded electric shield

#122
20050184847
2005-08-25

Ignition coil for a combustion engine

#123
20050128038
2005-06-16

Electrically decoupled integrated transformer having at least one grounded electric shield