ClassID:

201419

H01F3/04 - CPC Classification

Classification description:

Cores, Yokes, or armatures made from strips or ribbons

Recent Application in this class:
#1
20260074101
2026-03-12

Fe-BASED NANOCRYSTALLINE ALLOY RIBBON, WOUND CORE, AND PRODUCTION METHODS THEREFOR

#2
20240321514
2024-09-26

MANUFACTURING APPARATUS AND MANUFACTURING METHOD FOR LAMINATED IRON

#3
20240312683
2024-09-19

WOUND CORE

#4
20240212902
2024-06-27

INDUCTOR AND EMI FILTER INCLUDING THE SAME

#5
20240038434
2024-02-01

MAGNETIC CORE WITH PROTECTIVE HOUSING

#6
20230395319
2023-12-07

WOUND CORE, METHOD OF PRODUCING WOUND CORE AND WOUND CORE PRODUCTION DEVICE

#7
20230085009
2023-03-16

Magnetic alloy ribbon, laminate, and magnetic core

#8
20230079841
2023-03-16

Soft magnetic alloy, soft magnetic alloy ribbon, laminate, and magnetic core

#9
20230026583
2023-01-26

Soft Magnetic Alloy Ribbon And Magnetic Core

#10
20230022220
2023-01-26

SOFT MAGNETIC ALLOY RIBBON AND MAGNETIC CORE

#11
20220392678
2022-12-08

ORIENTED MAGNETIC CORE LAMINATION AND METHOD OF MANUFACTURE

#12
20220270806
2022-08-25

Amorphous metal ribbon, method for manufacturing amorphous metal ribbon, and magnetic core

#13
20220270793
2022-08-25

AMORPHOUS METAL RIBBON, METHOD FOR MANUFACTURING AMORPHOUS METAL RIBBON, AND MAGNETIC CORE

#14
20220199305
2022-06-23

Inductor and EMI filter including the same

#15
20220172868
2022-06-02

Method of producing laminated amorphous alloy ribbon holding spool and method of producing iron core

#16
20220165492
2022-05-26

Manufacturing apparatus for laminated iron core

#17
20210304936
2021-09-30

Alloy ribbon and magnetic core

#18
20210301380
2021-09-30

Alloy ribbon and laminated core

#19
20210273538
2021-09-02

Method for the production of a stack of laminations

#20
20210226515
2021-07-22

MOTOR, COMPRESSOR, AND MOTOR MANUFACTURING METHOD

#21
20210217551
2021-07-15

Magnetic core for an electromagnetic induction device, an electromagnetic induction device comprising the same, and a method of manufacturing a magnetic core

#22
20210108280
2021-04-15

Metal strip and manufacturing method therefor, magnetic core, and coil component

#23
20200313347
2020-10-01

Connector with an annular shaped magnetic core and an insulating potting agent

#24
20200227192
2020-07-16

Multi-layer sensor core

#25
20200185151
2020-06-11

Method and device for producing soft magnetic strip material for strip ring cores

#26
20200032383
2020-01-30

Laminated magnetic inductor stack with high frequency peak quality factor

#27
20190355514
2019-11-21

Bifilar layer-insulated magnetic core and method for the production of a wound nanocrystalline magnetic core

#28
20190355500
2019-11-21

Inductor and EMI filter including the same

#29
20190259531
2019-08-22

Manufacturing method for laminated iron core

#30
20190228907
2019-07-25

Wireless power transfer antenna core and wireless power transfer module including same

#31
20190189317
2019-06-20

Amorphous alloy magnetic core

#32
20190181700
2019-06-13

Iron core and motor using iron core

#33
20190173328
2019-06-06

Iron core and motor

#34
20190156999
2019-05-23

Method for producing magnetic component using amorphous or nanocrystalline soft magnetic material

#35
20190131041
2019-05-02

Amorphous alloy transformer iron core of three-dimensional triangle structure

#36
20180367016
2018-12-20

Laminated core manufacturing method, inner core, and outer core

#37
20180350492
2018-12-06

Iron Core Joint Structure of Stationary Induction Apparatus and Iron Core Joint Method

#38
20180322991
2018-11-08

Fe-based alloy composition, soft magnetic material, magnetic members, electric/electronic component, and device

#39
20180286550
2018-10-04

Soft magnetic ribbon for magnetic core, magnetic core, coil unit, and wireless power transmission unit

#40
20180218816
2018-08-02

Magnetic core with flexible packaging

#41
20180204669
2018-07-19

Stationary induction apparatus core

#42
20180166213
2018-06-14

Method for producing laminated magnetic core

#43
20170365388
2017-12-21

Soft magnetic core with position-dependent permeability

#44
20170294267
2017-10-12

Method of manufacturing amorphous alloy magnetic core

#45
20170294255
2017-10-12

Method of manufacturing an amorphous alloy magnetic core

#46
20170278628
2017-09-28

Method for manufacturing laminated iron core and apparatus for manufacturing laminated iron core

#47
20170178805
2017-06-22

Rapidly quenched Fe-based soft-magnetic alloy ribbon and its production method and core

#48
20170077790
2017-03-16

Method for the production of a stack of laminations

#49
20170011846
2017-01-12

Magnet core for low-frequency applications and method for producing a magnet core for low-frequency applications

#50
20170011829
2017-01-12

CORE FOR HIGH-FREQUENCY TRANSFORMER, AND MANUFACTURING METHOD THEREFOR

#51
20160360604
2016-12-08

Core for high-frequency acceleration cavity, and manufacturing method thereof

#52
20160336100
2016-11-17

WOUND CORE AND METHOD FOR MANUFACTURING WOUND CORE

#53
20160196908
2016-07-07

Magnetic core based on a nanocrystalline magnetic alloy

#54
20160086706
2016-03-24

AMORPHOUS ALLOY TRANSFORMER IRON CORE OF THREE-DIMENSIONAL TRIANGLE STRUCTURE

#55
20160042851
2016-02-11

Stationary induction electric apparatus

#56
20160035474
2016-02-04

Wound magnetic core and method of producing the same

#57
20150332825
2015-11-19

Reactor

#58
20150309082
2015-10-29

Electrical current transducer with grounding device

#59
20150187489
2015-07-02

Transformer, amorphous transformer and method of manufacturing the transformer

#60
20150070124
2015-03-12

Soft magnetic core with position-dependent permeability

#61
20150060226
2015-03-05

Opposed iron core, manufacturing method thereof, and electromagnetic fan clutch using opposite iron core

#62
20150022410
2015-01-22

Antenna magnetic core, antenna using same, and detection system

#63
20140354386
2014-12-04

Three-phase magnetic cores for magnetic induction devices and methods for manufacturing them

#64
20140306580
2014-10-16

Method of manufacturing a mechanical resonating structure

#65
20140292455
2014-10-02

Reactor, Transformer, and Power Conversion Apparatus Using Same

#66
20140268896
2014-09-18

Reactor Apparatus and Power Converter Using Same

#67
20140217829
2014-08-07

Ferrite core structure for a power supply device of an electric vehicle and power supply road structure using same

#68
20140209728
2014-07-31

Die assembly and method for manufacturing wound motor laminated article

#69
20140062645
2014-03-06

TRANSFORMER STRUCTURE

#70
20130314198
2013-11-28

RAPIDLY QUENCHED FE-BASED SOFT-MAGNETIC ALLOY RIBBON AND ITS PRODUCTION METHOD AND CORE

#71
20130147596
2013-06-13

Reactor Device

#72
20130118002
2013-05-16

Wind-on core manufacturing method for split core configurations

#73
20130106561
2013-05-02

Amorphous alloy stereo wound-core

#74
20130106559
2013-05-02

Method of reducing audible noise in magnetic cores and magnetic cores having reduced audible noise

#75
20130099882
2013-04-25

Pulsed magnet using amorphous metal modules and pulsed magnet assembly

#76
20130088401
2013-04-11

Antenna core, antenna, and methods for producing an antenna core and an antenna

#77
20130076475
2013-03-28

MAGNETIC CORE AND FORMING METHOD THEREOF

#78
20120248930
2012-10-04

Wound core, electromagnetic component and manufacturing method therefor, and electromagnetic equipment

#79
20120206231
2012-08-16

Transformer, amorphous transformer and method of manufacturing the transformer

#80
20120127620
2012-05-24

Soft magnetic metal strip for electromechanical components

#81
20120014042
2012-01-19

Common mode magnetic device for bus structure

#82
20110273061
2011-11-10

Method of manufacturing a resonating structure

#83
20110095642
2011-04-28

Magnetic iron core, method for manufacturing the same, axial-gap rotating electrical machine, and static electrical machine

#84
20110072643
2011-03-31

Method of manufacturing a transformer core assembly

#85
20100327785
2010-12-30

Particle accelerator and magnetic core arrangement for a particle accelerator

#86
20100265027
2010-10-21

Magnetic circuit with wound magnetic core

#87
20100265016
2010-10-21

Magnet core; method for its production and residual current device

#88
20100108196
2010-05-06

Soft magnetic ribbon, magnetic core, magnetic part and process for producing soft magnetic ribbon

#89
20100066476
2010-03-18

Iron core for stationary apparatus and stationary apparatus

#90
20090265916
2009-10-29

Method for production of an antenna core

#91
20090173423
2009-07-09

Process for manufacturing gypsum board faced with non-woven glass fiber mat

#92
20090032141
2009-02-05

Method of making soft magnetic amorphous metal electromechanical component

#93
20080272876
2008-11-06

Iron core for stationary apparatus and stationary apparatus

#94
20080246571
2008-10-09

Magnetic Core, Magnetic Arrangement and Method for Producing the Magnetic Core

#95
20080074220
2008-03-27

Magnetic core

#96
20080022511
2008-01-31

METHOD OF MANUFACTURING MAGNETIC CORE, MAGNETIC CORE, ELECTROMAGNETIC TRANSDUCER, CLOCK, AND ELECTRONIC DEVICE

#97
20070273467
2007-11-29

Magnet Core, Methods For Its Production And Residual Current Device

#98
20070040643
2007-02-22

Inductive device and method for manufacturing same

#99
20060022886
2006-02-02

Antenna core

#100
20060017642
2006-01-26

Antenna core and method for production of an antenna core

#101
20060000525
2006-01-05

Fe-based amorphous alloy ribbon and magnetic core formed thereby

#102
20060000524
2006-01-05

Fe-based amorphous alloy ribbon

#103
20050258705
2005-11-24

Method for manufacturing a soft magnetic metal electromagnetic component

#104
20050152063
2005-07-14

Method of manufacturing magnetic head