ClassID:

201418

H01F3/02 - CPC Classification

Classification description:

Cores, Yokes, or armatures made from sheets

Recent Application in this class:
#1
20250336584
2025-10-30

INDUCTOR COMPONENT

#2
20250105681
2025-03-27

LAMINATED CORE, ELECTRIC MACHINE AND METHOD FOR PRODUCING A LAMINATED CORE

#3
20250087396
2025-03-13

WOUND CORE AND METHOD FOR PRODUCING WOUND CORE

#4
20250015633
2025-01-09

HIGH POWER MAGNETICS IN WIRELESS CHARGING SYSTEMS

#5
20240428990
2024-12-26

MEMS SOLENOID TRANSFORMER AND MANUFACTURING METHOD THEREOF

#6
20240428976
2024-12-26

Choke, and method for manufacturing such a choke

#7
20240428968
2024-12-26

COIL UNIT

#8
20240371555
2024-11-07

MAGNETIC FIELD GENERATION DEVICE AND MOLTEN METAL DRIVE SYSTEM

#9
20240369380
2024-11-07

FLUX-COLLECTING ELEMENT AND COLLECTOR UNIT OF A MAGNETIC POSITION SENSOR AND METHOD FOR THE PRODUCTION THEREOF

#10
20240331903
2024-10-03

HETEROGENEOUS CORE-TYPE MAGNETIC COUPLING DEVICE

#11
20240266102
2024-08-08

Wound core

#12
20240258012
2024-08-01

STACKED MAGNETIC CORES HAVING SMALL FOOTPRINTS

#13
20240170196
2024-05-23

Magnetic core

#14
20240067851
2024-02-29

COMPOSITION

#15
20240034903
2024-02-01

COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET, LAMINATED CORE, AND ROTARY ELECTRIC MACHINE

#16
20230411063
2023-12-21

Stacked magnetic cores having small footprints

#17
20230402220
2023-12-14

WOUND CORE

#18
20230402212
2023-12-14

TRANSFORMER CORE

#19
20230395293
2023-12-07

WOUND CORE

#20
20230347133
2023-11-02

BLOOD PUMP

#21
20230298789
2023-09-21

MAGNETIC THIN FILM LAMINATED STRUCTURE AND MICRO-INDUCTIVE DEVICE THEREOF

#22
20230207181
2023-06-29

HYBRID TRANSFORMER CORE AND METHOD OF MANUFACTURING A TRANSFORMER CORE

#23
20230119661
2023-04-20

METHOD FOR PRODUCING A LAMINATION STACK, LAMINATION STACK AND ELECTRIC MACHINE

#24
20230090759
2023-03-23

LOCALIZED HIGH PERMEABILITY MAGNETIC REGIONS IN GLASS PATCH FOR ENHANCED POWER DELIVERY

#25
20220393520
2022-12-08

MOTOR CORE AND METHOD OF MANUFACTURING THE SAME

#26
20220351890
2022-11-03

WOUND CORE

#27
20220319750
2022-10-06

Laser Pin Welded Electrical Lamination Core and Method

#28
20220277892
2022-09-01

CURRENT TRANSFORMER AND METHOD OF MANUFACTURING THE SAME

#29
20220271635
2022-08-25

METHOD FOR PRODUCING A STACK OF METAL SHEETS FOR AN ELECTRIC MOTOR

#30
20220209592
2022-06-30

Core block, laminated core, and electric motor

#31
20220130606
2022-04-28

LAMINATED IRON CORE

#32
20220109335
2022-04-07

LAMINATED CORE, ELECTRIC MACHINE AND METHOD FOR PRODUCING A LAMINATED CORE

#33
20220051838
2022-02-17

Method and device for connecting sheet metal parts to form lamination stacks

#34
20210358688
2021-11-18

MEMS solenoid transformer and manufacturing method thereof

#35
20210327644
2021-10-21

Transformer and reactor cores with new designs and methods for manufacturing

#36
20210319943
2021-10-14

Magnetic core

#37
20210287852
2021-09-16

Heat sealing-type rotational laminated core manufacturing apparatus

#38
20210273538
2021-09-02

Method for the production of a stack of laminations

#39
20210225571
2021-07-22

LAMINATED CORE

#40
20210225570
2021-07-22

LAMINATED CORE

#41
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

#42
20210207239
2021-07-08

REDUCING ORDERED GROWTH IN SOFT-MAGNETIC Fe-Co ALLOYS

#43
20210134512
2021-05-06

INTERMEDIATE YOKE FOR A POWER TRANSFORMER AND POWER TRANSFORMER

#44
20210027939
2021-01-28

Iron core for transformer

#45
20200283661
2020-09-10

Thermally activatable, fast curing adhesive coating

#46
20200066478
2020-02-27

Scanning magnet design with enhanced efficiency

#47
20200058433
2020-02-20

Core for an electrical induction device

#48
20200032383
2020-01-30

Laminated magnetic inductor stack with high frequency peak quality factor

#49
20200027641
2020-01-23

Transformer core for a cut-and-stack type transformer and transformer including same

#50
20200013550
2020-01-09

METHOD OF MANUFACTURING SEPARABLE ELECTROMAGNETIC INDUCTIVE APPARATUS FOR POWER

#51
20190333664
2019-10-31

Electromagnetic steel sheet

#52
20190311828
2019-10-10

Laser Pin Welded Electrical Lamination Core and Method

#53
20190279795
2019-09-12

Methods of making a component with variable magnetization and related components

#54
20190244736
2019-08-08

Magnetic thin film laminated structure deposition method

#55
20190221346
2019-07-18

Stress control in magnetic inductor stacks

#56
20190181700
2019-06-13

Iron core and motor using iron core

#57
20190066916
2019-02-28

Device and method for connecting sheet metal parts to form lamination stacks

#58
20190035523
2019-01-31

Magnetic multilayer sheet

#59
20180374625
2018-12-27

Adhesive laminate core manufacturing apparatus

#60
20180374619
2018-12-27

Magnetic material, electronic component, and method for manufacturing magnetic material

#61
20180277295
2018-09-27

IRON CORE INCLUDING FIRST IRON CORE BLOCK AND SECOND IRON CORE BLOCK

#62
20180265757
2018-09-20

Thermally activatable, fast curing adhesive coating

#63
20180218815
2018-08-02

MAGNETIC SHEET AND ELECTRONIC DEVICE

#64
20180204669
2018-07-19

Stationary induction apparatus core

#65
20180183279
2018-06-28

Method for forming a nitrogenation barrier and machine formed using a body having the nitrogenation barrier

#66
20180166214
2018-06-14

Method for manufacturing laminated iron core

#67
20180152084
2018-05-31

Method of manufacturing stator for motor

#68
20180082774
2018-03-22

APPARATUS AND METHOD FOR INCORPORATING HIGH-FLUX-DENSITY MAGNETIC MATERIALS IN ELECTROMAGNETIC DEVICES

#69
20180068785
2018-03-08

Stationary induction electrical apparatus

#70
20180005741
2018-01-04

Stress control in magnetic inductor stacks

#71
20180005740
2018-01-04

Stress control in magnetic inductor stacks

#72
20170342519
2017-11-30

Material for laminated iron core, and method of manufacturing laminated iron core

#73
20170338016
2017-11-23

Magnetic Flux Concentrator Structure and Method for Manufacturing the Same

#74
20170278628
2017-09-28

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

#75
20170238405
2017-08-17

Line-frequency rotary transformer for computed tomography gantry

#76
20170213631
2017-07-27

Core for an electrical induction device

#77
20170201163
2017-07-13

Laminate unit for manufacturing bonded-type laminated core member and apparatus having the same for manufacturing laminated core member

#78
20170169944
2017-06-15

Current transformer device

#79
20170081740
2017-03-23

Method for producing grain-oriented electrical steel sheet

#80
20170077790
2017-03-16

Method for the production of a stack of laminations

#81
20170062111
2017-03-02

Laminating magnetic cores for on-chip magnetic devices

#82
20170025211
2017-01-26

Electromagnet

#83
20170018354
2017-01-19

TENSION BAR

#84
20170016085
2017-01-19

GRAIN-ORIENTED ELECTRICAL STEEL SHEET FOR LOW-NOISE TRANSFORMER, AND METHOD OF MANUFACTURING SAID SHEET

#85
20160372254
2016-12-22

Common mode noise filter

#86
20160314884
2016-10-27

Transformer core

#87
20160285429
2016-09-29

Balancing multiple transmission lines forming a single phase of an electrical power distribution system

#88
20160276081
2016-09-22

GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#89
20160240296
2016-08-18

Coil electronic component and manufacturing method thereof

#90
20160226332
2016-08-04

Method of protecting lamination stacks of a component of an electric machine and component obtained by the method

#91
20160133368
2016-05-12

Grain-oriented electrical steel sheet and transformer iron core using same

#92
20160036294
2016-02-04

Laminated core for a magnetic bearing having individual laminations with at least one physical interruption and method for constructing such a laminated core

#93
20150314563
2015-11-05

Laminated core and method for connecting sheet metal parts to form a laminated core

#94
20150262747
2015-09-17

Stator for electronic fuel injector

#95
20150255209
2015-09-10

Integrated capacitor and inductor having co-located magnetic and electrical energy storage volumes

#96
20150235749
2015-08-20

MAGNETIC CORE

#97
20150137642
2015-05-21

Magnetic bearing and method for mounting a ferromagnetic structure around a core of a magnetic bearing

#98
20150097463
2015-04-09

Method for manufacturing stack of laminations

#99
20150000112
2015-01-01

Method of producing personalized RF coil array for MR imaging guided interventions

#100
20140374137
2014-12-25

Electrical Steel Sheet and Method for Manufacturing the Same

#101
20140240074
2014-08-28

Methods for making radially anisotropic thin-film magnetic torroidal cores

#102
20140239892
2014-08-28

Magnetic sheet for non-contact power receiving device, non-contact power receiving device, electronic apparatus, and non-contact charger

#103
20140227127
2014-08-14

Non-oriented electrical steel sheet and method of manufacturing non-oriented electrical steel sheet

#104
20140176381
2014-06-26

Magnetic composite sheet and electromagnetic induction module

#105
20140028431
2014-01-30

Amorphous metal core, induction apparatus using same, and method for manufacturing same

#106
20140028135
2014-01-30

Axial bearing device having increased iron filling

#107
20140009005
2014-01-09

Haptic actuators

#108
20140004380
2014-01-02

Method for producing a grain-orientated electric strip

#109
20130219700
2013-08-29

Amorphous Metal Continuous Flux Path Transformer and Method of Manufacture

#110
20130214892
2013-08-22

Laminated layer structure for producing an insulation material

#111
20130189490
2013-07-25

Grain oriented electrical steel sheet

#112
20130147588
2013-06-13

Transformer having a stacked core

#113
20130141202
2013-06-06

Core

#114
20130118002
2013-05-16

Wind-on core manufacturing method for split core configurations

#115
20130049912
2013-02-28

Three-phase line reactor with skew yoke core design

#116
20130000795
2013-01-03

Amorphous Core Annealing Method

#117
20120212093
2012-08-23

Laminated core for a magnetic bearing having individual laminations with at least one physical interruption and method for constructing such a laminated core

#118
20120156441
2012-06-21

Method for joining core laminations by adhesive force to form a soft-magnetic laminated core

#119
20120038439
2012-02-16

Laminate stack comprising individual soft magnetic sheets, electromagnetic actuator, process for their manufacture and use of a soft magnetic laminate stack

#120
20110234361
2011-09-29

Method for manufacturing pencil cores

#121
20110234349
2011-09-29

PENCIL CORE

#122
20110163834
2011-07-07

Apparatus and method for reducing inductor saturation in magnetic fields

#123
20110155936
2011-06-30

Solenoid unit and method for producing said solenoid unit and a magnet housing for such a solenoid unit

#124
20110072643
2011-03-31

Method of manufacturing a transformer core assembly

#125
20110050377
2011-03-03

Rotary transformer

#126
20110050376
2011-03-03

Laminate Stack Comprising Individual Soft Magnetic Sheets, Electromagnetic Actuator, Process for Their Manufacture and Use of a Soft Magnetic Laminate Stack

#127
20110032069
2011-02-10

Method for producing a transformer core and a transformer core

#128
20100320963
2010-12-23

Contact-less power transfer

#129
20100304976
2010-12-02

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

#130
20100283562
2010-11-11

Method for production of a pole face of a metallic closing element of an electromagnet

#131
20100219791
2010-09-02

Contact-less power transfer

#132
20100194515
2010-08-05

Amorphous metal continuous flux path transformer and method of manufacture

#133
20100164662
2010-07-01

Monostable permanent magnetic actuator using laminated steel core

#134
20100044618
2010-02-25

Soft magnetic material, dust core, method for manufacturing soft magnetic material, and method for manufacturing dust core

#135
20100043202
2010-02-25

Method of producing variant-shaped laminated core

#136
20090189565
2009-07-30

Contact-less power transfer

#137
20090160588
2009-06-25

Electromagnetic operating device for switch

#138
20090039990
2009-02-12

Magnet switch with magnetic core designed to ensure stability in operation thereof

#139
20080305344
2008-12-11

Core Member of Magnetic Structure Body

#140
20080290982
2008-11-27

Transformer core

#141
20080282530
2008-11-20

Laminar article for electrical use and a method and machine for producing said article

#142
20080122561
2008-05-29

Method for production of a pole face of a metallic closing element of an electromagnet

#143
20080079521
2008-04-03

Electromagnetic Actuator Comprising An Electromagnet With A Coil Secured To A Permanent Magnet, And A Method Of Assembling Such An Actuator

#144
20080012677
2008-01-17

Circuit breaker-like apparatus with combination current transformer

#145
20070216409
2007-09-20

Magnetic resonance imaging system with iron-assisted magnetic field gradient system

#146
20070170287
2007-07-26

Solenoid stator

#147
20070011866
2007-01-18

Die assembly for manufacturing lamina stacks that include formed features

#148
20060169362
2006-08-03

Grain-oriented electrical steel sheet superior in electrical characteristics and method of production of same

#149
20060066433
2006-03-30

Bulk amorphous metal inductive device

#150
20050205820
2005-09-22

Direct action electromagnetic valve, and a method of operating the same

#151
20050116683
2005-06-02

Contact-less power transfer

#152
20050088268
2005-04-28

Silicon steel structure

#153
20050068150
2005-03-31

Inductive components and electronic devices using the same

#154
20050030136
2005-02-10

Method for controlling flux of electromagnet and an electromagnet for carrying out sad method (variants)

#155
14321164
2016-05-31

High acceleration actuator