C21D8/1277 - CPC Classification Index

#1

20260009099

2026-01-08

NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF

#2

20250361576

2025-11-27

DOUBLE COLD ROLLED NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF

#3

20250354231

2025-11-20

NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF

#4

20250354230

2025-11-20

NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF

#5

20250290171

2025-09-18

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#6

20250215520

2025-07-03

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#7

20250179601

2025-06-05

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#8

20250154631

2025-05-15

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCTION OF SAME

#9

20250115982

2025-04-10

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#10

20250109466

2025-04-03

NON-ORIENTED ELECTRICAL STEEL PLATE WITH GOOD MAGNETIC PERFORMANCE AND MANUFACTURING METHOD THEREFOR

#11

20250101542

2025-03-27

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#12

20250092483

2025-03-20

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#13

20250075284

2025-03-06

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#14

20250051888

2025-02-13

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#15

20250051871

2025-02-13

GRAIN ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD OF SAME

#16

20250037912

2025-01-30

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#17

20240417830

2024-12-19

NON-ORIENTED SILICON STEEL FOR DRIVING MOTORS OF NEW ENERGY VEHICLES AND PRODUCTION METHOD THEREOF

#18

20240301525

2024-09-12

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

#19

20240290523

2024-08-29

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

#20

20240242863

2024-07-18

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#21

20240212900

2024-06-27

ELECTRICAL STEEL SHEET COMPOSED OF (001) TEXTURE, AND MANUFACTURING METHOD THEREFOR

#22

20240154472

2024-05-09

ROTATING ELECTRICAL MACHINE, STATOR CORE AND ROTOR CORE SET, METHOD FOR MANUFACTURING ROTATING ELECTRICAL MACHINE, METHOD FOR MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET FOR STATOR AND NON-ORIENTED ELECTRICAL STEEL SHEET FOR ROTOR, METHOD FOR MANUFACTURING STATOR AND ROTOR, AND NON-ORIENTED ELECTRICAL STEEL SHEET SET

#23

20240102122

2024-03-28

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

#24

20240047106

2024-02-08

Non-oriented electrical steel sheet

#25

20240047105

2024-02-08

Non-oriented electrical steel sheet

#26

20240026489

2024-01-25

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

#27

20230392227

2023-12-07

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

#28

20230392225

2023-12-07

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

#29

20230366058

2023-11-16

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

#30

20230357875

2023-11-09

METHOD FOR FORMING GROOVES ON METAL STRIP SURFACE AND METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#31

20230304123

2023-09-28

GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#32

20230304120

2023-09-28

METHOD FOR PROCESSING A STEEL SHEET

#33

20230212703

2023-07-06

LINEAR GROOVE FORMATION METHOD AND METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#34

20230178276

2023-06-08

Grain-oriented electrical steel sheet

#35

20220364197

2022-11-17

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

#36

20220267872

2022-08-25

LINEAR GROOVE FORMATION METHOD AND METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#37

20220220593

2022-07-14

SHEET METAL FOR PRODUCING AN ELECTROMAGNETIC COMPONENT, IN PARTICULAR A STATOR CORE OR ROTOR CORE, AND METHOD FOR PRODUCING AN ELECTROMAGNETIC COMPONENT

#38

20220033928

2022-02-03

Hot-band annealing equipment, hot-band annealing method and descaling method for Si-containing hot rolled steel sheet

#39

20210214818

2021-07-15

Steel for hot stamping, hot stamping process and hot stamped component

#40

20210115549

2021-04-22

Nitriding apparatus for manufacturing a grain-oriented electrical steel sheet

#41

20200080174

2020-03-12

Ferritic stainless steel for automotive exhaust system with improved heat resistance and condensate corrosion resistance, and method for manufacturing the same

#42

20190070693

2019-03-07

Method and device for magnetic domain refinement of oriented electrical steel plate

#43

20190062866

2019-02-28

Method for refining magnetic domains of grain-oriented electrical steel plates, and apparatus therefor

#44

20190054570

2019-02-21

Method for refining magnetic domains of grain-oriented electrical steel plates, and apparatus therefor

#45

20190032167

2019-01-31

Method and device for magnetic domain refinement of oriented electrical steel plate

#46

20190017139

2019-01-17

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

#47

20190010567

2019-01-10

Adhesive coating composition for non-oriented electrical steel sheet, non-oriented electrical steel sheet product, and manufacturing method therefor

#48

20180195142

2018-07-12

Method for manufacturing magnetostrictive torque sensor shaft

#49

20180147663

2018-05-31

Linear groove formation method and linear groove formation device

#50

20180122573

2018-05-03

Coil and electrical strip or electrical sheet

#51

20180066346

2018-03-08

Grain-oriented electrical steel sheet and method for manufacturing same

#52

20180056348

2018-03-01

Method for Producing Polishing Bar Made of Valve Steel 53Cr21Mn9Ni4N

#53

20180017868

2018-01-18

MANUFACTURING METHOD FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#54

20170226622

2017-08-10

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

#55

20160379754

2016-12-29

METHOD FOR PRODUCING A FERROMAGNETIC COMPONENT FOR A TORQUE SENSOR OF A VEHICLE STEERING SHAFT, AND TORQUE SENSOR

#56

20160348209

2016-12-01

Method for forming a steel sheet part

#57

20160284454

2016-09-29

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

#58

20160247613

2016-08-25

Preparation method of oriented high silicon steel

#59

20160230240

2016-08-11

Grain-oriented electrical steel sheet and method for manufacturing same

#60

20160203898

2016-07-14

Multi-phase magnetic component and method of forming

#61

20160177413

2016-06-23

Grain-oriented electrical steel sheet and method for manufacturing same

#62

20160133368

2016-05-12

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

#63

20160125986

2016-05-05

Magnetic steel sheet having a layer improving the electrical insulation and method for the production thereof

#64

20160030968

2016-02-04

Coating device and coating method

#65

20160020006

2016-01-21

Method for producing grain-oriented electrical steel sheet

#66

20150270042

2015-09-24

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

#67

20150255211

2015-09-10

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

#68

20150214474

2015-07-30

Etching method and substrate processing apparatus

#69

20150059932

2015-03-05

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

#70

20140360629

2014-12-11

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

#71

20140352849

2014-12-04

Grain-oriented electrical steel sheet

#72

20140261895

2014-09-18

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

#73

20140246125

2014-09-04

Grain-oriented electrical steel sheet and manufacturing method thereof

#74

20140234638

2014-08-21

Grain-oriented electrical steel sheet and manufacturing method thereof

#75

20140106130

2014-04-17

Grain oriented electrical steel sheet and method of producing grain oriented electrical steel sheet

#76

20140076464

2014-03-20

PROCESS FOR MANUFACTURING HIGH GRADES OF SPECIALTY ELECTRICAL STEELS

#77

20130335071

2013-12-19

Method of scale substrate manufacture

#78

20130292006

2013-11-07

Grain-oriented electrical steel sheet and manufacturing method thereof

#79

20130143003

2013-06-06

Grain oriented electrical steel sheet

#80

20120312429

2012-12-13

Clad textured metal substrate for forming epitaxial thin film thereon and method for manufacturing the same

#81

20120222777

2012-09-06

PROCESS TO MANUFACTURE GRAIN-ORIENTED ELECTRICAL STEEL STRIP AND GRAIN-ORIENTED ELECTRICAL STEEL PRODUCED THEREBY

#82

20120009436

2012-01-12

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

#83

20110297292

2011-12-08

METHOD FOR PRODUCING AN IMPROVED ELECTRICAL STEEL STRIP

#84

20110155050

2011-06-30

Clad textured metal substrate for forming epitaxial thin film thereon and method for manufacturing the same

#85

20110039120

2011-02-17

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF

#86

20100237066

2010-09-23

COMB-LIKE SLIT LAMINATED YOKE FOR A TRAVELLING-MAGNETIC-FIELD INDUCTOR FOR REHEATING METAL STRIP

#87

20090272464

2009-11-05

Grain-Oriented Electrical Sheet Superior in Watt Loss

#88

20090181259

2009-07-16

Soft magnetic metal strip laminate and process for production thereof

#89

20080271819

2008-11-06

Ultra-high magnetic flux density grain-oriented electrical steel sheet excellent in iron loss at a high magnetic flux density and film properties and method for producing the same

#90

20080261072

2008-10-23

Clad textured metal substrate for forming epitaxial thin film thereon and method for manufacturing the same

#91

20080261059

2008-10-23

Clad textured metal substrate for forming epitaxial thin film thereon and method for manufacturing the same

#92

20080257255

2008-10-23

Clad textured metal substrate for forming epitaxial thin film thereon and method for manufacturing the same

#93

20070108169

2007-05-17

Rotor using electrical steel sheet with low iron loss, rotor manufacturing method, laser peening method, and laser peening apparatus

#94

20060137167

2006-06-29

Cold rolled steel sheet for gasket material, method for production thereof and gasket material produced by the method

#95

20050247374

2005-11-10

Method for manufacturing high silicon grain-oriented electrical steel sheet with superior core loss property

#96

20050217762

2005-10-06

Coating composition, and method for manufacturing high silicon electrical steel sheet using thereof