ClassID:

118996

C21D8/00 - CPC Classification

Classification description:

Modifying the physical properties by deformation combined with, or followed by, heat treatment

Sub-classes:
Recent Application in this class:
#1
20260124660
2026-05-07

PLATED STEEL SHEET FOR HOT PRESS FORMING, AND METHOD OF MANUFACTURING THE SAME

#2
20260062781
2026-03-05

HIGH-STRENGTH OIL CASING RESISTANT TO CO2 AND MICROBIAL CORROSION AND MANUFACTURING METHOD THEREFOR

#3
20240254581
2024-08-01

HETEROSTRUCTURED ANTIMICROBIAL STAINLESS STEEL AND METHOD FOR SYNTHESIZING THE SAME

#4
20240157204
2024-05-16

Mechanical and Chemical Surface Treatment of a Golf Club Head

#5
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

#6
20220040782
2022-02-10

METHODS AND SYSTEMS FOR CLADDING

#7
20210340666
2021-11-04

Metal plate

#8
20210340643
2021-11-04

Hot-press molding method and hot-press molded product

#9
20210172044
2021-06-10

High strength press quenchable 7XXX alloy

#10
20210164069
2021-06-03

STEEL PLATE MEMBER AND METHOD OF PRODUCING THE SAME

#11
20200270714
2020-08-27

Softening method for high-strength Q and P steel hot roll

#12
20200246877
2020-08-06

METHOD FOR PRODUCING HIGH-SPEED TOOL STEEL MATERIAL, METHOD FOR PRODUCING HIGH-SPEED TOOL STEEL PRODUCT, AND HIGH-SPEED TOOL STEEL PRODUCT

#13
20200212762
2020-07-02

Flywheel device used for energy storage including a hermetically sealed cylinder section and disc-shaped rotor arranged within cylinder section

#14
20190344522
2019-11-14

Rework press assembly for component rework systems and methods of using the same

#15
20190309385
2019-10-10

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

#16
20190284655
2019-09-19

Reduction at elevated temperature of coated steels containing metastable austenite

#17
20190264305
2019-08-29

Steel for cold forging and manufacturing method thereof

#18
20190176436
2019-06-13

Chassis component having high durability

#19
20190127817
2019-05-02

Hot forged product

#20
20190078188
2019-03-14

HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET AND HIGH-STRENGTH ALLOYED HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT BENDING WORKABILITY AND MINIMAL STRENGTH DIFFERENCE BETWEEN CENTER PART AND END PARTS IN SHEET WIDTH DIRECTION, AND METHOD FOR MANUFACTURING SAME

#21
20190071744
2019-03-07

Steel sheet, plated steel sheet, method of production of hot-rolled steel sheet, method of production of cold-rolled full hard steel sheet, method of production of steel sheet, and method of production of plated steel sheet

#22
20190048435
2019-02-14

Steel H-shape for low temperature service and manufacturing method therefor

#23
20180347003
2018-12-06

Methods for producing titanium and titanium alloy articles

#24
20180305782
2018-10-25

Method for producing roller-formed, partially hardened profiles

#25
20180304583
2018-10-25

Component made of metallic composite material and method for the manufacture of the component by hot forming

#26
20180291485
2018-10-11

Hot-rolled steel and steel component

#27
20180209009
2018-07-26

Stainless steel and stainless steel product for oil well

#28
20180187324
2018-07-05

Steel sheet for containers, and method for producing steel sheet for containers

#29
20180161841
2018-06-14

METHOD FOR MANUFACTURING VEHICLE BODY PARTS

#30
20180147636
2018-05-31

Method for producing high-speed tool steel material, method for producing high-speed tool steel product, and high-speed tool steel product

#31
20180069453
2018-03-08

Method for pre-conditioning a kinetic energy storage system

#32
20180030583
2018-02-01

Method for producing a hot-dip aluminum-coated steel wire

#33
20180030566
2018-02-01

High-strength austenitic stainless steel having excellent hydrogen embrittlement resistance characteristics and method for producing same

#34
20180023160
2018-01-25

High-strength steel sheet and production method therefor

#35
20180010231
2018-01-11

METAL PLATE

#36
20170369975
2017-12-28

Rail

#37
20170369961
2017-12-28

Rail

#38
20170292175
2017-10-12

Two-phase alloy, product using said two-phase alloy, and method for producing said product

#39
20170268083
2017-09-21

High-strength steel for steel forgings, and steel forging

#40
20170107589
2017-04-20

H-section steel and method of producing the same

#41
20160376675
2016-12-29

H-section steel and method of producing the same

#42
20160355910
2016-12-08

Rail vehicle axle

#43
20160265096
2016-09-15

Method for the production of a highly stressable component from an α+γ-titanium aluminide alloy for reciprocating-piston engines and gas turbines, especially aircraft engines

#44
20160265077
2016-09-15

Method of producing roughly shaped material for rolling bearing

#45
20160237546
2016-08-18

Metal plate, method of manufacturing metal plate, and method of manufacturing deposition mask by use of metal plate

#46
20160230239
2016-08-11

Methods for producing titanium and titanium alloy articles

#47
20160195346
2016-07-07

HIGH STRENGTH ALUMINUM ALLOY FIN STOCK FOR HEAT EXCHANGER

#48
20160160321
2016-06-09

Copper alloy for electronic and electrical equipment, plastically worked copper alloy material for electronic and electrical equipment, and component and terminal for electronic and electrical equipment

#49
20160145703
2016-05-26

Hot-forged TiAl-based alloy and method for producing the same

#50
20160144946
2016-05-26

Extrados structural element made from an aluminium copper lithium alloy

#51
20160083820
2016-03-24

Pearlitic rail and method for manufacturing pearlitic rail

#52
20160047123
2016-02-18

H-section steel and method of producing the same

#53
20160030993
2016-02-04

Mold for hot stamping and method of manufacturing the same

#54
20160017449
2016-01-21

700Mpa-level high-strength hot rolling Q and P steel and manufacturing method thereof

#55
20150361532
2015-12-17

Hot stamping product with enhanced toughness and method for manufacturing the same

#56
20150345361
2015-12-03

Ferritic stainless steel for automotive exhaust system, which have excellent corrosion resistance against condensate, moldability, and high-temperature oxidation resistance, and method for manufacturing same

#57
20150314345
2015-11-05

Steel sheet pile and method for manufacturing the same

#58
20150218668
2015-08-06

Ferritic lightweight high-strength steel sheet having excellent stiffness and ductility, and method of manufacturing the same

#59
20150204071
2015-07-23

H-Section steel

#60
20150203934
2015-07-23

Strip material with excellent corrosion resistance after brazing

#61
20150072804
2015-03-12

Iron golf club head and iron golf club

#62
20150013148
2015-01-15

Method for producing a kinetic energy storage system

#63
20150008778
2015-01-08

Method for producing a kinetic energy storage system

#64
20150007913
2015-01-08

Manufacturing method for strip casting 550 MPa-grade high strength atmospheric corrosion-resistant steel strip

#65
20150007686
2015-01-08

Energy storage flywheel device and system for producing kinetic energy within the storage system

#66
20140366602
2014-12-18

Method for manufacturing thin strip continuously cast 700MPa-grade high strength weather-resistant steel

#67
20140301889
2014-10-09

High-strength ultra-thick H-beam steel

#68
20140301888
2014-10-09

High-strength H-beam steel exhibiting excellent low-temperature toughness and method of manufacturing same

#69
20140294651
2014-10-02

Thermo-mechanical treatment of materials

#70
20140290811
2014-10-02

Method for the thermomechanical treatment of a titanium alloy, and resulting alloy and prosthesis

#71
20140124104
2014-05-08

Hot forming line and method for producing a hot formed and press hardened motor vehicle part

#72
20140048185
2014-02-20

Method of heat treating a cast iron, in particular a nodular cast iron

#73
20130240096
2013-09-19

PHASE CHANGE GRADED SMA ACTUATORS

#74
20130233451
2013-09-12

SHOT PEENING IN COMBINATION WITH AN HEAT TREATMENT AND A COMPONENT

#75
20130145809
2013-06-13

Mold for hot stamping and method of manufacturing the same

#76
20130136945
2013-05-30

Tailored Properties By Post Hot Forming Processing

#77
20130039803
2013-02-14

High-strength steel plate excellent in drop weight properties

#78
20130025746
2013-01-31

TWIN ROLL SHEET CASTING OF BULK METALLIC GLASSES AND COMPOSITES IN AN INERT ENVIRONMENT

#79
20120305144
2012-12-06

Steel sheet and method of manufacturing steel sheet

#80
20120285584
2012-11-15

Manufacture Process Of Non-Oriented Silicon Steel With High Magnetic Induction

#81
20120138199
2012-06-07

Process for producing a threaded spindle having a large bearing seat

#82
20120094103
2012-04-19

MANGANESE-RICH AND MAGNESIUM-RICH ALUMINIUM STRIP

#83
20120087825
2012-04-12

Pearlite-based high carbon steel rail having excellent ductility and process for production thereof

#84
20120076685
2012-03-29

High-strength pearlitic steel rail having excellent delayed fracture properties

#85
20120073711
2012-03-29

MANGANESE-RICH AND HIGHLY MAGNESIUM-RICH ALUMINIUM STRIP

#86
20120047981
2012-03-01

Method for producing seamless tubes

#87
20110315281
2011-12-29

Tailored Properties By Post Hot Forming Processing

#88
20110129381
2011-06-02

High-tensile steel with excellent weldability and toughness and with tensile strength of 550 MPa class or more and method of production of the same

#89
20110094282
2011-04-28

Method and hot forming system for producing a hardened, hot formed workpiece

#90
20110088819
2011-04-21

AUSTENITIC HEAT RESISTANT ALLOY, HEAT RESISTANT PRESSURE MEMBER COMPRISING THE ALLOY, AND METHOD FOR MANUFACTURING THE SAME MEMBER

#91
20110083775
2011-04-14

HEAVY WALL STEEL MATERIAL HAVING SUPERIOR WELDABILITY AND METHOD FOR PRODUCING THE SAME

#92
20110041964
2011-02-24

Thermo-mechanical process to enhance the quality of grain boundary networks

#93
20100242774
2010-09-30

Manufacturing method and steel for heavy munition casings

#94
20100122754
2010-05-20

High-strength martensite heat resisting cast steel, method of producing the steel, and applications of the steel

#95
20100116381
2010-05-13

Internal high hardness type pearlitic rail with excellent wear resistance and rolling contact fatigue resistance and method for producing same

#96
20100108201
2010-05-06

High-strength hot rolled steel sheet being free from peeling and excellent in surface properties and burring properties, and method for manufacturing the same

#97
20100024929
2010-02-04

Method for the thermomechanical treatment of seamless rings produced on radial-axial ring rolling machines

#98
20100021339
2010-01-28

Components made of steels with an ultrahigh carbon content and with a reduced density and high scaling resistance

#99
20090283941
2009-11-19

Method for boltless heat treatment of thin flanges

#100
20090274572
2009-11-05

High-strength pearlitic steel rail having excellent delayed fracture properties

#101
20090137326
2009-05-28

Constant velocity joint

#102
20090101242
2009-04-23

LOW CARBON ALLOY STEEL TUBE HAVING ULTRA HIGH STRENGTH AND EXCELLENT TOUGHNESS AT LOW TEMPERATURE AND METHOD OF MANUFACTURING THE SAME

#103
20090020190
2009-01-22

Fire Resistant High Strength Rolled Steel Material and Method of Production of The Same

#104
20080302775
2008-12-11

Metal forming apparatus and process with resistance heating

#105
20080277030
2008-11-13

Composition and Process for Enhanced Properties of Ferrous Components

#106
20080145264
2008-06-19

Mo-V-Ni high temperature steels, articles made therefrom and method of making

#107
20080143026
2008-06-19

Material for Coating Iron Ore Pelletizing Disks and Drums and a Constructive Arrangement for Pelletizing Disks and Drums

#108
20080011393
2008-01-17

Pearlitic steel rail excellent in wear resistance and ductility and method for producing same

#109
20070246135
2007-10-25

Method of Manufacturing a Hardened Forged Steel Component

#110
20070119527
2007-05-31

Heavy wall steel material having superior weldability and method for producing the same

#111
20070119526
2007-05-31

Method and apparatus for boltless heat treatment of thin flanges

#112
20070074794
2007-04-05

Method for cooling hot roller steel strip, and method for manufacturing hot rolled steel strip

#113
20070068607
2007-03-29

Method for heat treating thick-walled forgings

#114
20070051439
2007-03-08

Method for processing a steel product produced using said method

#115
20060283530
2006-12-21

Hot-shaping and hardening a workpiece

#116
20060283529
2006-12-21

Apparatus and Method of Producing Net-Shaped Components from Alloy Sheets

#117
20060174983
2006-08-10

Process for producing steel components with highest stability and plasticity

#118
20060169368
2006-08-03

Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same

#119
20060113013
2006-06-01

Method and apparatus for cooling hot rolled steel strip, and method for manufacturing hot rolled steel strip

#120
20060060570
2006-03-23

Metal forming apparatus and process with resistance heating

#121
20060060269
2006-03-23

Method for manufacturing high-strength spring

#122
20060016526
2006-01-26

High-strength steel for welded structures excellent in high temperature strength and method of production of the same

#123
20050257862
2005-11-24

Production method of warm- or hot-formed product

#124
20050247383
2005-11-10

High-strength hot-dip galvanized steel sheet with excellent spot weldability and stability of material properties

#125
20050199320
2005-09-15

Manufacturing process for producing high strength steel product with improved formability

#126
20050178482
2005-08-18

Heavy wall steel material having superior weldability and method for producing the same

#127
20050121118
2005-06-09

Mechanical structural shaft component and method of manufacturing the same