ClassID:

119042

C21D8/1205 - 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 involving a particular fabrication or treatment of ingot or slab

Sub-classes:
Recent Application in this class:
#1
20250283189
2025-09-11

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#2
20250188557
2025-06-12

NON-ORIENTED SILICON STEEL FOR HIGH-SPEED MOTOR, AND MANUFACTURING METHOD THEREFOR

#3
20250101561
2025-03-27

GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#4
20250101541
2025-03-27

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

#5
20240344171
2024-10-17

METHOD AND SYSTEM FOR PRODUCING LOW CARBON FERROCHROME FROM CHROMITE ORE AND LOW CARBON FERROCHROME PRODUCED THEREBY

#6
20240327942
2024-10-03

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND COLD-ROLLING FACILITY

#7
20240301530
2024-09-12

METHOD AND SYSTEM FOR PRODUCING LOW CARBON FERROALLOY FROM CHROMITE ORE

#8
20240279782
2024-08-22

NON-ORIENTED SILICON STEEL AND METHOD FOR PRODUCING THE SAME

#9
20240247347
2024-07-25

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#10
20240026503
2024-01-25

Fe-Co-BASED ALLOY BAR

#11
20240011121
2024-01-11

PRODUCTION METHOD FOR NON-ORIENTED SILICON STEEL AND NON-ORIENTED SILICON STEEL

#12
20230399718
2023-12-14

METHOD AND SYSTEM FOR PRODUCING LOW CARBON FERROCHROME FROM CHROMITE ORE AND LOW CARBON FERROCHROME PRODUCED THEREBY

#13
20230366058
2023-11-16

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

#14
20220364197
2022-11-17

PREPARATION METHOD OF GLASSLESS GRAIN-ORIENTED SILICON STEEL AND PRODUCT THEREOF

#15
20220064756
2022-03-03

Method and system for producing low carbon ferroalloy from chromite ore

#16
20220033921
2022-02-03

Method for producing grain-oriented electrical steel sheet and cold-rolling facility

#17
20210277492
2021-09-09

High-magnetic-induction low-iron-loss non-oriented silicon steel sheet and manufacturing method therefor

#18
20210159002
2021-05-27

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

#19
20210130918
2021-05-06

Grain-oriented electrical steel sheet and manufacturing method therefor

#20
20190323100
2019-10-24

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#21
20190256938
2019-08-22

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#22
20190085423
2019-03-21

Method of producing grain-oriented electrical steel sheet

#23
20190024202
2019-01-24

Grain-oriented electrical steel sheet and manufacturing method therefor

#24
20180002789
2018-01-04

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

#25
20170283917
2017-10-05

MANUFACTURING METHOD OF AUSTENITIC STAINLESS STEEL

#26
20170283903
2017-10-05

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

#27
20170044641
2017-02-16

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

#28
20160284454
2016-09-29

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

#29
20160247613
2016-08-25

Preparation method of oriented high silicon steel

#30
20160215357
2016-07-28

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

#31
20160111190
2016-04-21

Process for producing grain-oriented electrical steel strip

#32
20150294774
2015-10-15

PRODUCTION METHOD FOR HIGH-PERMEABILITY GRAIN-ORIENTED ELECTRICAL STEEL

#33
20150255211
2015-09-10

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

#34
20150243418
2015-08-27

Hot rolled silicon steel producing method

#35
20150155085
2015-06-04

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

#36
20150136278
2015-05-21

Method for manufacturing non-oriented electromagnetic steel sheet

#37
20150000794
2015-01-01

Non-oriented silicon steel and its manufacturing method

#38
20140261895
2014-09-18

Method for Producing a Grain-Oriented Electrical Steel Flat Product Intended for Electrotechnical Applications

#39
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

#40
20120305212
2012-12-06

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

#41
20120182105
2012-07-19

Permanent magnet and manufacturing method thereof

#42
20120075046
2012-03-29

Permanent magnet and motor and generator using the same

#43
20120074804
2012-03-29

Permanent magnet and method for manufacturing the same, and motor and power generator using the same

#44
20120037277
2012-02-16

Method of treating steel for grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet

#45
20100279141
2010-11-04

Low core loss grain-oriented electrical steel plate and method of manufacturing the same

#46
20100172783
2010-07-08

Material for anisotropic magnet and method of manufacturing the same

#47
20090199935
2009-08-13

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

#48
20090044881
2009-02-19

Grain-oriented electrical steel sheet extremely excellent in magnetic properties and method of production of same

#49
20080121314
2008-05-29

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

#50
20070089809
2007-04-26

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

#51
20070023103
2007-02-01

Method for production of non-oriented electrical steel strip

#52
20060243351
2006-11-02

Non-oriented electrical steel sheet excellent in core loss and manufacturing method thereof

#53
20050252577
2005-11-17

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

#54
20050098235
2005-05-12

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

#55
20050000596
2005-01-06

Method for production of non-oriented electrical steel strip

#56
16704015
2020-06-16

System and method of producing low carbon ferrochrome and low carbon ferrochrome produced thereby

#57
16596017
2020-05-12

Method for producing low carbon ferrochrome from chromite ore and low carbon ferrochrome produced thereby

#58
16454283
2019-12-17

Method and system for producing low carbon ferrochrome from chromite ore and low carbon ferrochrome produced thereby