ClassID:

119047

C21D8/1233 - 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 Cold rolling

Recent Application in this class:
#301
20200362433
2020-11-19

Method for manufacturing stress-relief-annealing-resistant, low-iron-loss grain-oriented silicon steel

#302
20200362431
2020-11-19

Grain-oriented electrical steel sheet and manufacturing method thereof

#303
20200332388
2020-10-22

Non-oriented electrical steel sheet and manufacturing method therefor

#304
20200332387
2020-10-22

Non-oriented electrical steel sheet and method for preparing same

#305
20200325564
2020-10-15

HIGH PERMEABILITY SOFT MAGNETIC ALLOY AND METHOD FOR THE PRODUCTION OF A HIGH PERMEABILITY SOFT MAGNETIC ALLOY

#306
20200318212
2020-10-08

HIGHLY-PERMEABLE SOFT-MAGNETIC ALLOY AND METHOD FOR PRODUCING A HIGHLY-PERMEABLE SOFT-MAGNETIC ALLOY

#307
20200299820
2020-09-24

Strip of a cobalt iron alloy, laminated core and method of producing a strip of a cobalt iron alloy

#308
20200294715
2020-09-17

Process for manufacturing a thin strip made of soft magnetic alloy and strip obtained

#309
20200283863
2020-09-10

Grain-oriented electrical steel sheet

#310
20200208235
2020-07-02

Grain-oriented electrical steel sheet and method for producing same

#311
20200208234
2020-07-02

Grain-oriented electrical steel sheet and method of manufacturing same

#312
20200190644
2020-06-18

Grain-oriented electrical steel sheet

#313
20200190639
2020-06-18

Non-oriented electrical steel sheet and manufacturing method therefor

#314
20200181725
2020-06-11

Grain-oriented electrical steel sheet

#315
20200123662
2020-04-23

Grain-oriented electrical steel sheet

#316
20200123627
2020-04-23

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

#317
20200123626
2020-04-23

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

#318
20200123017
2020-04-23

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

#319
20200095648
2020-03-26

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

#320
20200076250
2020-03-05

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

#321
20200063234
2020-02-27

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

#322
20200063229
2020-02-27

Non-oriented electrical steel strip for electric motors

#323
20200058434
2020-02-20

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

#324
20200048729
2020-02-13

Soft high-silicon steel sheet and manufacturing method thereof

#325
20200032363
2020-01-30

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#326
20200010918
2020-01-09

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

#327
20190382860
2019-12-19

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

#328
20190360065
2019-11-28

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

#329
20190345576
2019-11-14

Non-oriented electrical steel sheet and method for producing same

#330
20190330708
2019-10-31

NON-ORIENTED ELECTRICAL STEEL SHEET HAVING AN EXCELLENT RECYCLABILITY

#331
20190323100
2019-10-24

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#332
20190316239
2019-10-17

Non-oriented electrical steel sheet

#333
20190292623
2019-09-26

Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron core

#334
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

#335
20190271054
2019-09-05

Method of producing grain-oriented electrical steel sheet

#336
20190271053
2019-09-05

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

#337
20190256938
2019-08-22

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#338
20190255657
2019-08-22

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

#339
20190244735
2019-08-08

Non-oriented electrical steel sheet and method of producing same

#340
20190233914
2019-08-01

Grain-oriented electrical steel sheet and method for manufacturing same

#341
20190228891
2019-07-25

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

#342
20190189318
2019-06-20

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

#343
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

#344
20190136336
2019-05-09

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

#345
20190055619
2019-02-21

Method of producing grain-oriented electrical steel sheet

#346
20190048434
2019-02-14

Grain-oriented electrical steel sheet

#347
20190024202
2019-01-24

Grain-oriented electrical steel sheet and manufacturing method therefor

#348
20190017140
2019-01-17

Method for manufacturing grain-oriented electrical steel sheet

#349
20190017139
2019-01-17

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

#350
20190017138
2019-01-17

Non-oriented electrical steel sheet and production method thereof

#351
20190017137
2019-01-17

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#352
20190017136
2019-01-17

Non-oriented electrical steel sheet and manufacturing method therefor

#353
20190017135
2019-01-17

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#354
20190013126
2019-01-10

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

#355
20180371576
2018-12-27

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

#356
20180371573
2018-12-27

Grain-oriented electrical steel sheet and method for manufacturing same

#357
20180355454
2018-12-13

METHOD FOR PRODUCING NON-ORIENTED ELECTRICAL STEEL SHEET

#358
20180340239
2018-11-29

High-silicon steel sheet and method of manufacturing the same

#359
20180327883
2018-11-15

Method for producing non-oriented electrical steel sheet

#360
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

#361
20180305784
2018-10-25

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

#362
20180282830
2018-10-04

Method of manufacturing grain-oriented electrical steel sheet

#363
20180258508
2018-09-13

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

#364
20180230581
2018-08-16

Steel sheet

#365
20180230564
2018-08-16

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

#366
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

#367
20180202018
2018-07-19

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

#368
20180096767
2018-04-05

Non-oriented electrical steel plate and manufacturing process therefor

#369
20180068769
2018-03-08

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

#370
20180066333
2018-03-08

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

#371
20180037966
2018-02-08

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

#372
20180030612
2018-02-01

Method for continuous electrolytic etching of grain oriented electrical steel strip and apparatus for continuous electrolytic etching of grain oriented electrical steel strip

#373
20180023155
2018-01-25

Cold-rolled steel sheet and method of manufacturing same

#374
20180010206
2018-01-11

Grain-oriented electrical steel plate and production method therefor

#375
20180002789
2018-01-04

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

#376
20180002776
2018-01-04

Non-oriented electrical steel sheet and method for manufacturing thereof

#377
20180002773
2018-01-04

Grain-oriented electrical steel sheet and method of manufacturing same

#378
20180002772
2018-01-04

Grain-oriented electrical steel sheet and manufacturing method therefor

#379
20170362677
2017-12-21

Non-oriented electrical steel sheet and manufacturing method therefor

#380
20170362676
2017-12-21

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

#381
20170342519
2017-11-30

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

#382
20170335425
2017-11-23

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

#383
20170321296
2017-11-09

Method for manufacturing grain-oriented electrical steel sheet

#384
20170314090
2017-11-02

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

#385
20170314087
2017-11-02

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

#386
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

#387
20170283903
2017-10-05

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

#388
20170274432
2017-09-28

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

#389
20170271061
2017-09-21

Grain-oriented electrical steel sheet and manufacturing method therefor

#390
20170263357
2017-09-14

Method of manufacturing grain-oriented electrical steel sheet

#391
20170260600
2017-09-14

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

#392
20170260598
2017-09-14

Non-oriented electrical steel sheet

#393
20170240988
2017-08-24

METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#394
20170240987
2017-08-24

Grain oriented electrical steel sheet, method for manufacturing grain oriented electrical steel sheets, method for evaluating grain oriented electrical steel sheets, and iron core

#395
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

#396
20170233842
2017-08-17

Grain-oriented electrical steel sheet

#397
20170226622
2017-08-10

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

#398
20170214299
2017-07-27

Method to manufacture improved exciter for an electrical generator

#399
20170211161
2017-07-27

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

#400
20170194082
2017-07-06

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

#401
20170088915
2017-03-30

Method for producing grain-oriented electrical steel sheet

#402
20170081740
2017-03-23

Method for producing grain-oriented electrical steel sheet

#403
20170044641
2017-02-16

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

#404
20160322137
2016-11-03

Non-oriented electrical steel sheet and manufacturing method therefor

#405
20160319390
2016-11-03

Method for producing grain-oriented electrical steel sheet

#406
20160319387
2016-11-03

SOFT HIGH-SILICON STEEL SHEET AND MANUFACTURING METHOD THEREOF

#407
20160284454
2016-09-29

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

#408
20160276081
2016-09-22

GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#409
20160260531
2016-09-08

Grain-oriented electrical steel sheet having excellent magnetic characteristics and coating adhesion

#410
20160247613
2016-08-25

Preparation method of oriented high silicon steel

#411
20160230240
2016-08-11

Grain-oriented electrical steel sheet and method for manufacturing same

#412
20160203896
2016-07-14

Non-oriented electrical steel sheet having high magnetic flux density and motor

#413
20160203895
2016-07-14

Non-oriented electrical steel sheet and hot rolled steel sheet thereof

#414
20160196909
2016-07-07

Method of producing grain oriented electrical steel sheet

#415
20160111190
2016-04-21

Process for producing grain-oriented electrical steel strip

#416
20160020006
2016-01-21

Method for producing grain-oriented electrical steel sheet

#417
20160012949
2016-01-14

Method for producing grain-oriented electrical steel sheet

#418
20160012948
2016-01-14

Method for producing grain-oriented electrical steel sheet

#419
20150357101
2015-12-10

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

#420
20150340137
2015-11-26

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

#421
20150337416
2015-11-26

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

#422
20150332822
2015-11-19

Method of manufacturing grain oriented electrical steel sheet

#423
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

#424
20150318093
2015-11-05

ELECTRICAL STEEL PROCESSING WITHOUT A POST COLD-ROLLING INTERMEDIATE ANNEAL

#425
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

#426
20150302962
2015-10-22

Oriented silicon steel and method for manufacturing same

#427
20150299819
2015-10-22

Production method for grain-oriented electrical steel sheet

#428
20150255211
2015-09-10

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

#429
20150243419
2015-08-27

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#430
20150213928
2015-07-30

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

#431
20150206633
2015-07-23

High magnetic induction oriented silicon steel and manufacturing method thereof

#432
20150194247
2015-07-09

Method for producing grain-oriented electrical steel sheet

#433
20150187475
2015-07-02

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

#434
20150187473
2015-07-02

Method for producing grain-oriented electrical steel sheet

#435
20150170813
2015-06-18

Method of producing grain-oriented electrical steel sheet

#436
20150170812
2015-06-18

MANUFACTURING METHOD OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#437
20150155085
2015-06-04

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

#438
20150136278
2015-05-21

Method for manufacturing non-oriented electromagnetic steel sheet

#439
20150111004
2015-04-23

Grain-oriented electrical steel sheet and method of manufacturing same

#440
20150101383
2015-04-16

Method of cold-rolling steel sheet and cold-rolling facility

#441
20150059929
2015-03-05

Method of producing non-oriented electrical steel sheet

#442
20150047757
2015-02-19

STEEL SHEET FOR ROTOR CORE FOR IPM MOTOR, AND METHOD FOR MANUFACTURING SAME

#443
20150047746
2015-02-19

Method for manufacturing steel sheet for rotor core for IPM motor

#444
20150041023
2015-02-12

Fe-based metal plate and method of manufacturing the same

#445
20150027590
2015-01-29

Method of producing electrical steel sheet

#446
20150013847
2015-01-15

Method for producing silicon steel normalizing substrate

#447
20150013845
2015-01-15

HOT-ROLLED STRIP FOR PRODUCING AN ELECTRIC STEEL SHEET AND METHOD THEREFOR

#448
20150013844
2015-01-15

Non-oriented silicon steel and manufacturing process thereof

#449
20150000794
2015-01-01

Non-oriented silicon steel and its manufacturing method

#450
20150000793
2015-01-01

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

#451
20140377124
2014-12-25

Non-oriented electrical steel plate and manufacturing process therefor

#452
20140366989
2014-12-18

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

#453
20140366988
2014-12-18

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

#454
20140345751
2014-11-27

Non-oriented electrical steel sheet

#455
20140338794
2014-11-20

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

#456
20140326364
2014-11-06

ELECTRICAL STEEL PROCESSING WITHOUT A POST COLD-ROLLING INTERMEDIATE ANNEAL

#457
20140311629
2014-10-23

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

#458
20140299233
2014-10-09

Process for manufacturing a thin strip made of soft magnetic alloy and strip obtained

#459
20140283953
2014-09-25

METHOD FOR PRODUCING A SOFT MAGNETIC ALLOY STRIP AND RESULTANT STRIP

#460
20140255720
2014-09-11

Ultrathin electromagnetic steel sheet

#461
20140251514
2014-09-11

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

#462
20140246125
2014-09-04

Grain-oriented electrical steel sheet and manufacturing method thereof

#463
20140238558
2014-08-28

Non-oriented electrical steel sheet and manufacturing method thereof

#464
20140227127
2014-08-14

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

#465
20140202599
2014-07-24

Method of producing grain-oriented electrical steel sheet

#466
20140041769
2014-02-13

Non-oriented electrical steel sheet

#467
20140030135
2014-01-30

High-strength non-oriented electrical steel sheet

#468
20130335071
2013-12-19

Method of scale substrate manufacture

#469
20130309525
2013-11-21

Non-oriented electrical steel sheet, manufacturing method thereof, laminate for motor iron core, and manufacturing method thereof

#470
20130263976
2013-10-10

Method for manufacturing grain oriented electrical steel sheet

#471
20130125601
2013-05-23

Manufacturing method of non-oriented electrical steel sheet

#472
20130112319
2013-05-09

Grain oriented electrical steel sheet and method for manufacturing the same

#473
20130098508
2013-04-25

Grain oriented electrical steel sheet and method for manufacturing the same

#474
20130039804
2013-02-14

ELECTRICAL STEEL WITH HIGH STRENGTH AND LOW ELECTRICAL LOSSES

#475
20130000797
2013-01-03

Soft magnetic alloy and method for producing a soft magnetic alloy

#476
20130000794
2013-01-03

Soft magnetic alloy and method for producing soft magnetic alloy

#477
20120318411
2012-12-20

COLD ROLLED ELECTROMAGNETIC STEEL SHEET USED FOR RAPID CYCLING SYNCHROTRON AND PRODUCING METHOD THEREOF

#478
20120298265
2012-11-29

Method for manufacturing grain oriented electrical steel sheets

#479
20120211129
2012-08-23

Fe-based metal plate and method of manufacturing the same

#480
20120156086
2012-06-21

NON-ORIENTED ELECTRICAL STEEL SHEET

#481
20120103474
2012-05-03

Manufacturing method of grain-oriented electrical steel sheet

#482
20120013430
2012-01-19

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

#483
20120009436
2012-01-12

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

#484
20120000262
2012-01-05

Method for manufacturing grain-oriented silicon steel with single cold rolling

#485
20110273054
2011-11-10

ELECTRICAL STEEL, A MOTOR, AND A METHOD FOR MANUFACTURE OF ELECTRICAL STEEL WITH HIGH STRENGTH AND LOW ELECTRICAL LOSSES

#486
20110192508
2011-08-11

Magnetostrictive material and preparation method thereof

#487
20110192507
2011-08-11

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

#488
20110180187
2011-07-28

Method for producing grain-oriented silicon steel containing copper

#489
20110155285
2011-06-30

Manufacturing method of grain-oriented electrical steel sheet

#490
20110139313
2011-06-16

Manufacturing method of oriented SI steel with high electric-magnetic property

#491
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

#492
20100326161
2010-12-30

Method of cold-rolling steel sheet and cold-rolling facility

#493
20100158744
2010-06-24

High strength electrical steel sheet and method of production of same

#494
20100084058
2010-04-08

Method of producing grain-oriented electrical steel sheet

#495
20100000634
2010-01-07

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

#496
20090199935
2009-08-13

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

#497
20080121314
2008-05-29

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

#498
20070089809
2007-04-26

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

#499
20070023103
2007-02-01

Method for production of non-oriented electrical steel strip

#500
20060151142
2006-07-13

Method of continuous casting non-oriented electrical steel strip

#501
20050252577
2005-11-17

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

#502
20050224142
2005-10-13

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

#503
20050211348
2005-09-29

Heat-resistant ferritic stainless steel and method for production thereof

#504
20050098235
2005-05-12

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

#505
20050067053
2005-03-31

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

#506
20050064107
2005-03-24

Method for producing coated steel sheet

#507
20050000596
2005-01-06

Method for production of non-oriented electrical steel strip