ClassID:

119045

C21D8/1222 - page 2 - CPC Classification

Classification description:

Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest Hot rolling

Recent Application in this class:
#301
20200181727
2020-06-11

Non-oriented electrical steel having excellent magnetic properties

#302
20200181725
2020-06-11

Grain-oriented electrical steel sheet

#303
20200123662
2020-04-23

Grain-oriented electrical steel sheet

#304
20200123627
2020-04-23

Magnesium oxide for annealing separators, and grain-oriented magnetic steel sheet

#305
20200123626
2020-04-23

Grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet

#306
20200123017
2020-04-23

Magnesium oxide for annealing separators, and grain-oriented magnetic steel sheet

#307
20200095659
2020-03-26

Non-oriented electrical steel sheet and manufacturing method therefor

#308
20200095648
2020-03-26

Annealing separator composition for oriented electrical steel sheet, oriented electrical steel sheet, and method for manufacturing oriented electrical steel sheet

#309
20200087753
2020-03-19

Method for producing an ausferritic steel, austempered during continuous cooling followed by annealing

#310
20200076250
2020-03-05

NON-ORIENTED ELECTRICAL STEEL SHEET MANUFACTURING METHOD AND CLAW POLE MOTOR

#311
20200063234
2020-02-27

Grain-oriented electrical steel sheet and method for producing the same

#312
20200063229
2020-02-27

Non-oriented electrical steel strip for electric motors

#313
20200058434
2020-02-20

Laser-scribed grain-oriented silicon steel resistant to stress-relief annealing and manufacturing method therefor

#314
20200048729
2020-02-13

Soft high-silicon steel sheet and manufacturing method thereof

#315
20200035392
2020-01-30

Grain-oriented electrical steel sheet and production method therefor

#316
20200032363
2020-01-30

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#317
20200010918
2020-01-09

Method for producing non-oriented electrical steel sheet, method for producing motor core, and motor core

#318
20190390314
2019-12-26

High-strength galvanized hot-rolled steel sheet and method for manufacturing same

#319
20190382860
2019-12-19

Annealing separator composition for oriented electrical steel sheet, oriented electrical steel sheet, and method for manufacturing oriented electrical steel sheet

#320
20190360065
2019-11-28

METHOD FOR PRODUCING A STRIP FROM A CoFe ALLOY AND A SEMI-FINISHED PRODUCT CONTAINING THIS STRIP

#321
20190345576
2019-11-14

Non-oriented electrical steel sheet and method for producing same

#322
20190330710
2019-10-31

Non-oriented electrical steel sheet and method of producing same

#323
20190330708
2019-10-31

NON-ORIENTED ELECTRICAL STEEL SHEET HAVING AN EXCELLENT RECYCLABILITY

#324
20190323100
2019-10-24

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#325
20190316239
2019-10-17

Non-oriented electrical steel sheet

#326
20190316221
2019-10-17

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

#327
20190276911
2019-09-12

Annealing separating agent composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for manufacturing grain oriented electrical steel sheet

#328
20190271087
2019-09-05

Grain-oriented electrical steel sheet

#329
20190271054
2019-09-05

Method of producing grain-oriented electrical steel sheet

#330
20190271053
2019-09-05

Steel strip for producing a non-grain-oriented electrical steel, and method for producing such a steel strip

#331
20190256985
2019-08-22

Oriented electromagnetic steel sheet and method for manufacturing oriented electromagnetic steel sheet

#332
20190256938
2019-08-22

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#333
20190255657
2019-08-22

Silicon steel product with low iron loss for low-noise transformer, and manufacturing method thereof

#334
20190247902
2019-08-15

Hot-rolled steel sheet for electrical steel sheet production and method of producing same

#335
20190244735
2019-08-08

Non-oriented electrical steel sheet and method of producing same

#336
20190233914
2019-08-01

Grain-oriented electrical steel sheet and method for manufacturing same

#337
20190228891
2019-07-25

Non-oriented electrical steel sheet, manufacturing method of non-oriented electrical steel sheet, and manufacturing method of motor core

#338
20190189318
2019-06-20

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

#339
20190161817
2019-05-30

HOT-ROLLED STEEL SHEET FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME, AND METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#340
20190136336
2019-05-09

HIGH-MAGNETIC-INDUCTION LOW-IRON-LOSS NON-ORIENTED SILICON STEEL SHEET AND MANUFACTURING METHOD THERFOR

#341
20190055619
2019-02-21

Method of producing grain-oriented electrical steel sheet

#342
20190048434
2019-02-14

Grain-oriented electrical steel sheet

#343
20190024205
2019-01-24

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#344
20190024202
2019-01-24

Grain-oriented electrical steel sheet and manufacturing method therefor

#345
20190017140
2019-01-17

Method for manufacturing grain-oriented electrical steel sheet

#346
20190017139
2019-01-17

Method of producing grain-oriented electrical steel sheet and production line therefor

#347
20190017138
2019-01-17

Non-oriented electrical steel sheet and production method thereof

#348
20190017137
2019-01-17

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#349
20190017136
2019-01-17

Non-oriented electrical steel sheet and manufacturing method therefor

#350
20190013126
2019-01-10

Grain-oriented electrical steel sheet and method for manufacturing the same

#351
20180371576
2018-12-27

Annealing separator for oriented electrical steel sheet, oriented electrical steel sheet, and manufacturing method of oriented electrical steel sheet

#352
20180371573
2018-12-27

Grain-oriented electrical steel sheet and method for manufacturing same

#353
20180340239
2018-11-29

High-silicon steel sheet and method of manufacturing the same

#354
20180336982
2018-11-22

Fe-Si Base Alloy and Method of Making Same

#355
20180312945
2018-11-01

Hot rolled steel sheet and method for manufacturing the same

#356
20180312936
2018-11-01

Composition for forming insulation film of oriented electrical steel sheet, method for forming insulation film by using same, and oriented electrical steel sheet having insulation film formed therein

#357
20180305784
2018-10-25

Grain-oriented electrical steel sheet and decarburized steel sheet used for manufacturing the same

#358
20180282830
2018-10-04

Method of manufacturing grain-oriented electrical steel sheet

#359
20180258508
2018-09-13

Grain-oriented electrical steel sheet and hot-rolled steel sheet for grain-oriented electrical steel sheet

#360
20180230581
2018-08-16

Steel sheet

#361
20180230564
2018-08-16

Method for producing non-oriented electrical steel sheet having excellent magnetic properties

#362
20180223401
2018-08-09

FeCo alloy, FeSi alloy or Fe sheet or strip and production method thereof, magnetic transformer core produced from said sheet or strip, and transformer comprising same

#363
20180202021
2018-07-19

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#364
20180202018
2018-07-19

Grain-oriented electrical steel sheet and method for producing the same

#365
20180137958
2018-05-17

Grain oriented electrical steel with improved forsterite coating characteristics

#366
20180127858
2018-05-10

MARTENSITIC STAINLESS STEEL, METHOD FOR THE PRODUCTION OF A SEMI-FINISHED PRODUCT FROM SAID STEEL, AND CUTTING TOOL PRODUCED FROM THE SEMI-FINISHED PRODUCT

#367
20180068769
2018-03-08

Grain oriented electrical steel sheet having excellent core loss, and method for manufacturing same

#368
20180066333
2018-03-08

Non-oriented electrical steel sheet, production method therefor, and motor core

#369
20180037966
2018-02-08

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

#370
20180010206
2018-01-11

Grain-oriented electrical steel plate and production method therefor

#371
20180002789
2018-01-04

Non-oriented electrical steel sheet and method for producing the same

#372
20180002776
2018-01-04

Non-oriented electrical steel sheet and method for manufacturing thereof

#373
20180002773
2018-01-04

Grain-oriented electrical steel sheet and method of manufacturing same

#374
20180002772
2018-01-04

Grain-oriented electrical steel sheet and manufacturing method therefor

#375
20170362677
2017-12-21

Non-oriented electrical steel sheet and manufacturing method therefor

#376
20170362676
2017-12-21

Non-oriented electrical steel sheet and method for manufacturing the same

#377
20170335425
2017-11-23

Grain-oriented electrical steel sheet and manufacturing method of grain-oriented electrical steel sheet

#378
20170314090
2017-11-02

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

#379
20170314087
2017-11-02

Method of production of tin containing non grain-oriented silicon steel sheet, steel sheet obtained and use thereof

#380
20170313887
2017-11-02

Insulating coating composition for oriented electrical steel sheet, oriented electrical steel sheet having insulating coating formed on surface thereof by using same, and preparation method therefor

#381
20170283903
2017-10-05

Process for producing grain-oriented electrical steel strip and grain-oriented electrical steel strip obtained according to said process

#382
20170274432
2017-09-28

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

#383
20170271061
2017-09-21

Grain-oriented electrical steel sheet and manufacturing method therefor

#384
20170260600
2017-09-14

Non-oriented electrical steel sheet and method for producing the same, and motor core and method of producing the same

#385
20170260598
2017-09-14

Non-oriented electrical steel sheet

#386
20170240988
2017-08-24

METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#387
20170233871
2017-08-17

Pre-coating agent composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet comprising same, and manufacturing method therefor

#388
20170233842
2017-08-17

Grain-oriented electrical steel sheet

#389
20170226622
2017-08-10

Method for manufacturing grain-oriented electrical steel sheet, and nitriding apparatus

#390
20170211161
2017-07-27

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

#391
20170194082
2017-07-06

Non-oriented magnetic steel sheet and method of manufacturing the same

#392
20170088915
2017-03-30

Method for producing grain-oriented electrical steel sheet

#393
20170081740
2017-03-23

Method for producing grain-oriented electrical steel sheet

#394
20170044641
2017-02-16

Process for the production of grain non-oriented electric steel strip, with an high degree of cold reduction

#395
20160322137
2016-11-03

Non-oriented electrical steel sheet and manufacturing method therefor

#396
20160319390
2016-11-03

Method for producing grain-oriented electrical steel sheet

#397
20160319387
2016-11-03

SOFT HIGH-SILICON STEEL SHEET AND MANUFACTURING METHOD THEREOF

#398
20160284454
2016-09-29

Grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet

#399
20160276081
2016-09-22

GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#400
20160247613
2016-08-25

Preparation method of oriented high silicon steel

#401
20160215357
2016-07-28

Copper ferrous alloy for shielding electromagnetic waves and method for preparing the same

#402
20160196909
2016-07-07

Method of producing grain oriented electrical steel sheet

#403
20160138141
2016-05-19

High strength hot rolled steel sheet having tensile strength of 780 MPa or more

#404
20160111190
2016-04-21

Process for producing grain-oriented electrical steel strip

#405
20160020006
2016-01-21

Method for producing grain-oriented electrical steel sheet

#406
20160012949
2016-01-14

Method for producing grain-oriented electrical steel sheet

#407
20160012948
2016-01-14

Method for producing grain-oriented electrical steel sheet

#408
20150357101
2015-12-10

Method for producing semi-processed non-oriented electrical steel sheet having excellent magnetic properties

#409
20150348686
2015-12-03

Hot-rolled steel sheet for producing non-oriented electrical steel sheet and method of producing same

#410
20150344998
2015-12-03

Hot rolled steel sheet and method for manufacturing the same

#411
20150340137
2015-11-26

Grain oriented electrical steel sheet having excellent core loss, and method for manufacturing same

#412
20150337416
2015-11-26

High-formability and super-strength cold-rolled steel sheet

#413
20150332822
2015-11-19

Method of manufacturing grain oriented electrical steel sheet

#414
20150318094
2015-11-05

Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet

#415
20150318093
2015-11-05

ELECTRICAL STEEL PROCESSING WITHOUT A POST COLD-ROLLING INTERMEDIATE ANNEAL

#416
20150318092
2015-11-05

Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet

#417
20150302962
2015-10-22

Oriented silicon steel and method for manufacturing same

#418
20150299819
2015-10-22

Production method for grain-oriented electrical steel sheet

#419
20150294774
2015-10-15

PRODUCTION METHOD FOR HIGH-PERMEABILITY GRAIN-ORIENTED ELECTRICAL STEEL

#420
20150270042
2015-09-24

Hot-rolled steel sheet for production of non-oriented electrical steel sheet and method of manufacturing same

#421
20150255211
2015-09-10

Manufacturing method of common grain-oriented silicon steel with high magnetic induction

#422
20150224551
2015-08-13

Nozzle header, cooling apparatus, manufacturing apparatus of hot-rolled steel sheet, and method for manufacturing hot-rolled steel sheet

#423
20150213928
2015-07-30

High-strength electrical steel sheet and method of producing the same

#424
20150206633
2015-07-23

High magnetic induction oriented silicon steel and manufacturing method thereof

#425
20150197836
2015-07-16

Fe-based metal sheet and manufacturing method thereof

#426
20150194247
2015-07-09

Method for producing grain-oriented electrical steel sheet

#427
20150187475
2015-07-02

Non-oriented electrical steel sheet being less in deterioration of iron loss property by punching

#428
20150187473
2015-07-02

Method for producing grain-oriented electrical steel sheet

#429
20150170813
2015-06-18

Method of producing grain-oriented electrical steel sheet

#430
20150170812
2015-06-18

MANUFACTURING METHOD OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#431
20150155085
2015-06-04

Method of production of grain-oriented silicon steel sheet grain oriented electrical steel sheet and use thereof

#432
20150136278
2015-05-21

Method for manufacturing non-oriented electromagnetic steel sheet

#433
20150064481
2015-03-05

Grain oriented electrical steel with improved forsterite coating characteristics

#434
20150059929
2015-03-05

Method of producing non-oriented electrical steel sheet

#435
20150041023
2015-02-12

Fe-based metal plate and method of manufacturing the same

#436
20150027590
2015-01-29

Method of producing electrical steel sheet

#437
20150013853
2015-01-15

Hot-rolled steel sheet for generator rim and method for manufacturing the same

#438
20150013847
2015-01-15

Method for producing silicon steel normalizing substrate

#439
20140366989
2014-12-18

High silicon steel sheet having excellent productivity and magnetic properties and method for manufacturing same

#440
20140366988
2014-12-18

Method for producing a non-grain-oriented higher-strength electrical strip and use thereof

#441
20140345751
2014-11-27

Non-oriented electrical steel sheet

#442
20140338794
2014-11-20

METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET HAVING EXCELLENT IRON LOSS PROPERTIES

#443
20140326364
2014-11-06

ELECTRICAL STEEL PROCESSING WITHOUT A POST COLD-ROLLING INTERMEDIATE ANNEAL

#444
20140311629
2014-10-23

Process for the production of grain-oriented magnetic sheet with a high level of cold reduction

#445
20140255720
2014-09-11

Ultrathin electromagnetic steel sheet

#446
20140251514
2014-09-11

Grain-oriented electrical steel sheet and method of producing the same

#447
20140238558
2014-08-28

Non-oriented electrical steel sheet and manufacturing method thereof

#448
20140227127
2014-08-14

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

#449
20140069555
2014-03-13

Fe-based metal sheet and manufacturing method thereof

#450
20140030135
2014-01-30

High-strength non-oriented electrical steel sheet

#451
20130263976
2013-10-10

Method for manufacturing grain oriented electrical steel sheet

#452
20130160897
2013-06-27

Process for the production of grain-oriented magnetic sheets

#453
20130125601
2013-05-23

Manufacturing method of non-oriented electrical steel sheet

#454
20130112319
2013-05-09

Grain oriented electrical steel sheet and method for manufacturing the same

#455
20130098508
2013-04-25

Grain oriented electrical steel sheet and method for manufacturing the same

#456
20130098507
2013-04-25

Grain oriented electrical steel sheet and method for manufacturing the same

#457
20130000797
2013-01-03

Soft magnetic alloy and method for producing a soft magnetic alloy

#458
20130000794
2013-01-03

Soft magnetic alloy and method for producing soft magnetic alloy

#459
20130000786
2013-01-03

Manufacturing method of grain-oriented electrical steel sheet

#460
20120312432
2012-12-13

METALLIC MATERIAL AS A SOLID SOLUTION HAVING A BODY-CENTERED CUBIC (BCC) STRUCTURE, AN ORIENTATION OF CRYSTAL AXIS <001> OF WHICH IS CONTROLLED, AND METHOD OF MANUFACTURING THE SAME

#461
20120305212
2012-12-06

PROCESS AND DEVICE FOR PRODUCING HOT-ROLLED STRIP FROM SILICON STEEL

#462
20120298265
2012-11-29

Method for manufacturing grain oriented electrical steel sheets

#463
20120211129
2012-08-23

Fe-based metal plate and method of manufacturing the same

#464
20120103474
2012-05-03

Manufacturing method of grain-oriented electrical steel sheet

#465
20120018049
2012-01-26

Process for the production of grain-oriented magnetic sheet starting from thin slab

#466
20120013430
2012-01-19

MANUFACTURING METHOD OF GRAIN ORIENTED ELECTRICAL STEEL SHEET, GRAIN ORIENTED ELECTRICAL STEEL SHEET FOR WOUND CORE, AND WOUND CORE

#467
20120009436
2012-01-12

Non-oriented magnetic steel sheet and method for producing the same

#468
20110192507
2011-08-11

Iron alloy, iron-alloy member, and process for manufacturing the same

#469
20110155285
2011-06-30

Manufacturing method of grain-oriented electrical steel sheet

#470
20110074529
2011-03-31

Magnetic Strip, Sensor Comprising a Magnetic Strip and Process for the Manufacture of a Magnetic Strip

#471
20110067786
2011-03-24

Treatment solution for insulation coating for grain oriented electrical steel sheet and method for producing grain oriented electrical steel sheet having insulation coating

#472
20110056592
2011-03-10

HIGH-STRENGTH NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

#473
20100221140
2010-09-02

HOT STEEL STRIP PARTICULARLY SUITED FOR THE PRODUCTION OF ELECTROMAGNETIC LAMINATION PACKS

#474
20100116380
2010-05-13

Process and device for producing strips of silicon steel or multiphase steel

#475
20100000634
2010-01-07

PROCESS FOR PRODUCING A STEEL STRIP COMPRISING A RELATIVELY HIGH STRENGTH DUAL PHASE STEEL

#476
20090301157
2009-12-10

Method of and apparatus for hot rolling a thin silicon-steel workpiece into sheet steel

#477
20090199935
2009-08-13

Method of production of high flux density grain-oriented silicon steel sheet

#478
20090139609
2009-06-04

Method for producing grain oriented magnetic steel strip

#479
20080216985
2008-09-11

Method for producing grain oriented magnetic steel strip

#480
20080121314
2008-05-29

Non-oriented electrical steel sheets with excellent magnetic properties and method for manufacturing the same

#481
20070089809
2007-04-26

Fe-Ni based permalloy and method of producing the same and cast slab

#482
20070023103
2007-02-01

Method for production of non-oriented electrical steel strip

#483
20060151142
2006-07-13

Method of continuous casting non-oriented electrical steel strip

#484
20050252577
2005-11-17

Fe-Ni based permalloy and method of producing the same and cast slab

#485
20050247373
2005-11-10

Non-grain oriented magnetic steel strip or magnetic steel sheet and method for its production

#486
20050224142
2005-10-13

Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics

#487
20050211348
2005-09-29

Heat-resistant ferritic stainless steel and method for production thereof

#488
20050126659
2005-06-16

Grain-oriented electrical steel sheet extremely excellent in film adhesiveness and method for producing the same

#489
20050115643
2005-06-02

Process for the production of grain oriented electrical steel strips

#490
20050098235
2005-05-12

Process for the control of inhibitors distribution in the production of grain oriented electrical steel strips

#491
20050067053
2005-03-31

Hot-rolled strip intended for the production of non-grain oriented electrical sheet and a method for the production thereof

#492
20050000596
2005-01-06

Method for production of non-oriented electrical steel strip