ClassID:

118987

C21D7/00 - CPC Classification

Classification description:

Modifying the physical properties of iron or steel by deformation

Sub-classes:
Recent Application in this class:
#1
20260117334
2026-04-30

HOLLOW WIND TURBINE MAIN SHAFT AND PROFILING FORGING PROCESS AND USE THEREOF

#2
20260110069
2026-04-23

NEW IRON-BASED ALLOY STRUCTURE

#3
20260022444
2026-01-22

METHOD FOR MANUFACTURING A METAL SHEET WITH A ZNAL COATING AND WITH OPTIMIZED WIPING, CORRESPONDING METAL SHEET, PART AND VEHICLE

#4
20250188677
2025-06-12

STEEL CORD, PRODUCTION METHOD THEREOF, AND TIRE

#5
20250084499
2025-03-13

METAL PLATE AND METHOD FOR MANUFACTURING THE SAME, AND METHOD FOR MANUFACTURING METAL MASK

#6
20240418201
2024-12-19

TELESCOPE SYSTEM AND METHOD

#7
20240418200
2024-12-19

TELESCOPE SYSTEM AND METHOD

#8
20230160843
2023-05-25

METHOD FOR MANUFACTURING REFERENCE PIECE FOR X-RAY MEASUREMENT OF RESIDUAL STRESS AND REFERENCE PIECE FOR X-RAY MEASUREMENT OF RESIDUAL STRESS

#9
20230119030
2023-04-20

METHOD FOR MANUFACTURING A METAL SHEET WITH A ZnAl COATING AND WITH OPTIMIZED WIPING, CORRESPONDING METAL SHEET, PART AND VEHICLE

#10
20230060471
2023-03-02

Thermally stabilized fastener system and method

#11
20200270732
2020-08-27

Method for manufacturing a metal sheet with a ZnAl coating and with optimized wiping, corresponding metal sheet, part and vehicle

#12
20200269358
2020-08-27

Method of peening lap fillet welded joint and welded structures

#13
20200255916
2020-08-13

Flat steel product with an AI-coating, method for producing the same, steel component and method for producing the same

#14
20200023425
2020-01-23

Method for production of performance enhanced metallic materials

#15
20190274851
2019-09-12

Thin, narrow tube and drawing apparatus and drawing method for manufacturing the same

#16
20190176436
2019-06-13

Chassis component having high durability

#17
20190039110
2019-02-07

MANUFACTURING ULTRA-HIGH STRENGTH LOAD BEARING PARTS USING HIGH STRENGTH/LOW INITIAL YIELD STEELS THROUGH TUBULAR HYDROFORMING PROCESS

#18
20180043474
2018-02-15

Grain-oriented electrical steel sheet

#19
20170333986
2017-11-23

Steel plate for producing light structures and method for producing said plate

#20
20170314089
2017-11-02

Zinc-coated hot formed high strength steel part with through-thickness gradient microstructure

#21
20170297081
2017-10-19

Method for production of performance enhanced metallic materials

#22
20170216950
2017-08-03

Machine component and method for producing the same

#23
20160032415
2016-02-04

Heat treat production fixture

#24
20150298194
2015-10-22

Structures and methods of manufacture of microstructures within a structure to selectively adjust a response or responses of resulting structures or portions of structures to shock induced deformation or force loading

#25
20150297370
2015-10-22

Thin, narrow tube and drawing apparatus and drawing method for manufacturing the same

#26
20150292053
2015-10-15

METHOD FOR TREATING A CAST IRON WORKPIECE AND WORKPIECE FORMED THEREBY

#27
20150290696
2015-10-15

Apparatus and a method for surface processing a metallic structure

#28
20150158131
2015-06-11

Nitrided component surface repair with autofrettage

#29
20150152515
2015-06-04

Methods And Apparatus For Stress Relief Using Multiple Energy Sources

#30
20150104669
2015-04-16

Magnesium alloy member and production method therefor

#31
20150030882
2015-01-29

Steel plate for producing light structures and method for producing said plate

#32
20140325841
2014-11-06

Method for reshaping a turbomachine blade that has at least one zone that has become deformed using peening

#33
20140255242
2014-09-11

COMPOSITE STEEL PLATE

#34
20130273811
2013-10-17

Grind hardening method

#35
20130204163
2013-08-08

Guide wire core wire made from a substantially titanium-free alloy for enhanced guide wire steering response

#36
20130174947
2013-07-11

High-toughness cold-drawn non-heat-treated wire rod, and method for manufacturing same

#37
20130174942
2013-07-11

Steel plate for producing light structures and method for producing said plate

#38
20130160743
2013-06-27

Method of producing common rail and locally reinforced common rail

#39
20120291510
2012-11-22

HOT PRESS FORMING PROCESS OF PLATED STEEL AND HOT PRESS FORMED ARTICLES USING THE SAME

#40
20120144890
2012-06-14

Instantaneous heat treatment method for metal product

#41
20120034490
2012-02-09

Article for improved adhesion of fatigue-prone components

#42
20110253262
2011-10-20

Corrosion-resistant austenitic steel alloy

#43
20110135414
2011-06-09

Method of increasing the fracture toughness of the outer layer of a carbide cutting bit of a drill

#44
20110114227
2011-05-19

GRAIN REFINEMENT OF METALLIC COMPONENTS BY CONTROLLED STRAIN PATH CHANGE

#45
20100301036
2010-12-02

METHODS AND APPARATUS FOR STRESS RELIEF USING MULTIPLE ENERGY SOURCES

#46
20100227192
2010-09-09

Method of making a composite steel plate

#47
20100170596
2010-07-08

Process for producing a corrosion-resistant austenitic alloy component

#48
20100055490
2010-03-04

Method of producing common rail and locally reinforced common rail

#49
20100052367
2010-03-04

Formed article for vehicle body structural member

#50
20100028713
2010-02-04

Method and article for improved adhesion of fatigue-prone components

#51
20090119920
2009-05-14

METHOD OF PRODUCING A COMPONENT

#52
20090102104
2009-04-23

Method for processing metal body and apparatus for processing metal body

#53
20090101239
2009-04-23

Method for processing metal body and apparatus for processing metal body

#54
20090098007
2009-04-16

Duplex stainless steel

#55
20090095043
2009-04-16

CONFORMABLE TOOLING FOR LOCALIZED SHOT PEENING

#56
20080229798
2008-09-25

Manufacturing process for extending a length of service of component parts

#57
20080196798
2008-08-21

Surface modification method for conductive metal material

#58
20080127476
2008-06-05

Method of mitigating the effects of damage in an article

#59
20080110227
2008-05-15

Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method

#60
20080110226
2008-05-15

Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method

#61
20080105339
2008-05-08

Methods and apparatus for stress relief using multiple energy sources

#62
20070017608
2007-01-25

Laser rounding and flattening of cylindrical parts

#63
20060260378
2006-11-23

Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method

#64
20060222883
2006-10-05

Surface modification method for conductive metal material

#65
20060185443
2006-08-24

Ultrasonic apparatus and method for measuring the concentration and flow rate of gas

#66
20060157168
2006-07-20

Method for processing metal body and apparatus for processing metal body

#67
20050274439
2005-12-15

Intermetallic articles of manufacture having high room temperature ductility

#68
20050145308
2005-07-07

Component for use in oil field technology made of a material which comprises a corrosion-resistant austenitic steel alloy

#69
20050092402
2005-05-05

Methods and apparatus for stress relief using multiple energy sources

#70
20050034500
2005-02-17

Device for processing a metal slab, plate or strip, and product produced using this device

#71
20050028574
2005-02-10

Flat metal, production device and production method