ClassID:

119059

C21D9/00 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor

Sub-classes:
Recent Application in this class:
#1
20250230533
2025-07-17

LOW TEMPERATURE HARDENABLE STEELS WITH EXCELLENT MACHINABILITY

#2
20250168941
2025-05-22

HEATING COIL FOR HIGH-FREQUENCY HEATER

#3
20250108422
2025-04-03

STEEL SHEET FOR HOT PRESS FORMING, METHOD OF PRODUCING STEEL SHEET FOR HOT PRESS FORMING, HOT PRESSED MEMBER, AND METHOD OF PRODUCING HOT PRESSED MEMBER

#4
20240410041
2024-12-12

Alloy for Mud Motor Shaft Applications with High Strength, High Impact Toughness and Excellent Fatigue Life

#5
20240344162
2024-10-17

MAKING AN ALLOWANCE FOR STATE-DEPENDENT DENSITY WHEN SOLVING A HEAT CONDUCTION EQUATION

#6
20240076762
2024-03-07

METHOD FOR GRAIN REFINEMENT OF A BERYLLIUM ARTICLE

#7
20240026502
2024-01-25

Alloy and fabrication thereof

#8
20230395290
2023-12-07

SEMI-HARD MAGNETIC POWDER HAVING A HIGH VALUE AND METHOD FOR SYNTHESIZING SAME

#9
20230347183
2023-11-02

PROBE FOR ULTRASONIC TREATMENT TOOL, METHOD FOR PRODUCING SAME, AND ULTRASONIC TREATMENT TOOL

#10
20230311452
2023-10-05

Cladding and method for manufacturing the same

#11
20230304135
2023-09-28

HOT WORK TOOL STEEL AND HOT WORK TOOL

#12
20230265535
2023-08-24

Steel for a mold and mold

#13
20230193443
2023-06-22

Plated steel material

#14
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

#15
20230101304
2023-03-30

Low temperature hardenable steels with excellent machinability

#16
20230059069
2023-02-23

High strength stainless steel material

#17
20220314377
2022-10-06

HIGH-STRENGTH STEEL SHEET BLANK HAVING DECARBURIZED OUTER LAYERS

#18
20220308705
2022-09-29

Copper-alloy capping layers for metallization in touch-panel displays

#19
20220259711
2022-08-18

Free-cutting copper alloy and method for producing free-cutting copper alloy

#20
20220186352
2022-06-16

Free-cutting copper alloy, and manufacturing method of free-cutting copper alloy

#21
20220090249
2022-03-24

Free-cutting copper alloy and method for manufacturing free-cutting copper alloy

#22
20220056545
2022-02-24

STEEL, PRODUCT MADE OF SAID STEEL, AND MANUFACTURING METHOD THEREOF

#23
20220042141
2022-02-10

Free-cutting copper alloy and method for producing free-cutting copper alloy

#24
20220025487
2022-01-27

AN ALPHA TITANIUM ALLOY FOR ADDITIVE MANUFACTURING

#25
20210381088
2021-12-09

Steel for nitrocarburizing and nitrocarburized component, and methods of producing same

#26
20210340643
2021-11-04

Hot-press molding method and hot-press molded product

#27
20210332462
2021-10-28

ALUMINUM ALLOY AND MANUFACTURING METHOD THEREOF

#28
20210269898
2021-09-02

FORGED ALUMINUM ALLOY AND MANUFACTURING METHOD FOR THE SAME

#29
20210262071
2021-08-26

Hot work tool steel and hot work tool

#30
20210222264
2021-07-22

Cooling method for workpiece

#31
20210214824
2021-07-15

Alloy for Mud Motor Shaft Applications with High Strength, High Impact Toughness and Excellent Fatigue Life

#32
20210208738
2021-07-08

Copper-alloy capping layers for metallization in touch-panel displays

#33
20210156015
2021-05-27

3D printable stainless steel alloy with antibacterial properties for orthopedic implants

#34
20200385845
2020-12-10

Al—Mg—Si alloys for applications such as additive manufacturing

#35
20200385832
2020-12-10

Method for manufacturing alloy ribbon piece

#36
20200377976
2020-12-03

Ultra-high strength aluminum alloy products and methods of making the same

#37
20200370149
2020-11-26

Multicomponent aluminum alloys for applications such as additive manufacturing

#38
20200263282
2020-08-20

Piercer plug and method of manufacturing the same

#39
20200263268
2020-08-20

High manganese steel for low temperature applications having excellent surface quality and a manufacturing method thereof

#40
20200212762
2020-07-02

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

#41
20200199725
2020-06-25

Method of case hardening a group IV metal

#42
20200156156
2020-05-21

Powder metal material for wear and temperature resistance applications

#43
20200115782
2020-04-16

Steel plate and method of producing same

#44
20190316217
2019-10-17

Vacuum heat treatment apparatus

#45
20190291246
2019-09-26

Screwdriver head and method for manufacturing the same

#46
20190233911
2019-08-01

Heat treatment equipment and heat treatment method

#47
20190218648
2019-07-18

Alloy for Mud Motor Shaft Applications with High Strength, High Impact Toughness and Excellent Fatigue Life

#48
20190184443
2019-06-20

Method for spin forming lipskins

#49
20190161821
2019-05-30

STEEL SHEET FOR HOT PRESSING, AND METHOD OF MANUFACTURING THE HOT-PRESSED STEEL SHEET MEMBER

#50
20190120060
2019-04-25

Turbine blade designing method, turbine blade manufacturing method, and turbine blade

#51
20190112686
2019-04-18

Manufacturing method of mechanical component using martensitic stainless steel, rotating device, rolling bearing and rolling bearing unit

#52
20190100817
2019-04-04

Dehydrogenation processing method for turbine blades

#53
20190100816
2019-04-04

Mold, mold apparatus, and cooling method for workpiece

#54
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

#55
20190062861
2019-02-28

Steel, product created from said steel, and manufacturing method thereof

#56
20190048590
2019-02-14

Deformed reinforcing bar

#57
20190010587
2019-01-10

Steel sheet for hot pressing and hot pressed article using the same

#58
20190003000
2019-01-03

Bolt

#59
20180355449
2018-12-13

High toughness martensitic stainless steel and reciprocating pump manufactured therewith

#60
20180354008
2018-12-13

Piercer plug and method of manufacturing the same

#61
20180313608
2018-11-01

Heating device

#62
20180281044
2018-10-04

Method for producing a shaped sheet metal part produced by UO forming, and shaped sheet metal part

#63
20180251883
2018-09-06

Nitrided steel part and method of production of same

#64
20180245195
2018-08-30

Nitrided steel part and method of production of same

#65
20180175075
2018-06-21

Thin-film transistor and method of forming an electrode of a thin-film transistor

#66
20180135144
2018-05-17

Cold working tool material and cold working tool manufacturing method

#67
20180099330
2018-04-12

Tool steel composition for component of die-casting apparatus or of extrusion press

#68
20180087123
2018-03-29

Steel, product made of said steel, and manufacturing method thereof

#69
20180069453
2018-03-08

Method for pre-conditioning a kinetic energy storage system

#70
20180030583
2018-02-01

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

#71
20180030568
2018-02-01

Hot-pressed member and manufacturing method therefor

#72
20180030561
2018-02-01

Hollow element manufacturing method and rotary machine manufacturing method

#73
20180030560
2018-02-01

ARTICLE PROCESSING FIXTURE

#74
20180001387
2018-01-04

Method for producing powder metal compositions for wear and temperature resistance applications

#75
20170362673
2017-12-21

Processes for reducing flatness deviations in alloy articles

#76
20170349961
2017-12-07

Production method for stabilizers

#77
20170298470
2017-10-19

Method of production of brazed joint and such a brazed joint

#78
20170283893
2017-10-05

Solid state grain alignment of permanent magnets in near-final shape

#79
20170183764
2017-06-29

Dual phase magnetic material component and method of forming

#80
20170175218
2017-06-22

Far-infrared radiation heating furnace for steel sheet for hot stamping

#81
20170159150
2017-06-08

Far-infrared radiation multi-stage type heating furnace for steel sheets for hot stamping

#82
20170145533
2017-05-25

Hot-stamped steel

#83
20170122562
2017-05-04

Cooling patch for hot gas path components

#84
20170098496
2017-04-06

High-performance NdFeB permanent magnet comprising nitride phase and production method thereof

#85
20170096722
2017-04-06

High-strength seamless stainless steel pipe for oil country tubular goods and method for manufacturing the same

#86
20170088924
2017-03-30

Alloy for mud motor shaft applications with high strength, high impact toughness and excellent fatigue life

#87
20170081742
2017-03-23

Heat-treated steel material and method of manufacturing the same

#88
20170081741
2017-03-23

Heat-treated steel material and method of manufacturing the same

#89
20170029915
2017-02-02

Hot-pressed steel sheet member

#90
20170029910
2017-02-02

Workpiece for induction hardening

#91
20170016082
2017-01-19

Heat treatment system and heat treatment method

#92
20160339507
2016-11-24

Turbine blade manufacturing method

#93
20160305191
2016-10-20

Insulation enclosure with compliant independent members

#94
20160289785
2016-10-06

Manufacturing method of mechanical component using martensitic stainless steel, rotating device, rolling bearing and rolling bearing unit

#95
20160284452
2016-09-29

R-T-B-BASED RARE EARTH SINTERED MAGNET AND METHOD OF MANUFACTURING SAME

#96
20160237517
2016-08-18

Method for heat treatment of stainless member, and method for producing forged stainless product

#97
20160201171
2016-07-14

Cu—Sn coexisting steel and method for manufacturing the same

#98
20160193646
2016-07-07

Tool for hot forming a workpiece and methods for selectively hot forming certain regions of a workpiece

#99
20160177412
2016-06-23

High rate magnetic annealing system and method of operating

#100
20160177410
2016-06-23

Method of hot forming hybrid parts

#101
20160010166
2016-01-14

Roughly shaped material for induction hardened components and method for producing same

#102
20160001369
2016-01-07

Method for producing powder metal compositions for wear and temperature resistance applications and method of producing same

#103
20150376763
2015-12-31

Non-thermal refined soft-nitrided component

#104
20150361534
2015-12-17

Steel for tracked undercarriage component, and track link

#105
20150345868
2015-12-03

Thermal shielding system

#106
20150337415
2015-11-26

Steel sheet for hot press-forming, hot press-formed part, and method of producing hot press-formed part

#107
20150292075
2015-10-15

Automotive components formed of sheet metal coated with a non-metallic coating

#108
20150239028
2015-08-27

High frequency induction heating apparatus and processing apparatus

#109
20150176107
2015-06-25

Tool for piercing mill

#110
20150118098
2015-04-30

Low temperature hardenable steels with excellent machinability

#111
20150115749
2015-04-30

Dual phase magnetic material component and method of forming

#112
20150108703
2015-04-23

Article processing fixture

#113
20150050611
2015-02-19

Walking-beam type heating furnace

#114
20150047750
2015-02-19

Bearing steel excellent in rolling-contact fatigue properties and method for producing same

#115
20150034850
2015-02-05

Method for producing a valve body for an electromechanically operable valve, a valve body, and an electromechanically operable valve comprising the valve body

#116
20150017593
2015-01-15

Heat treatment method

#117
20150013148
2015-01-15

Method for producing a kinetic energy storage system

#118
20150008778
2015-01-08

Method for producing a kinetic energy storage system

#119
20150007686
2015-01-08

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

#120
20140362307
2014-12-11

Copper-alloy capping layers for metallization in touch-panel displays

#121
20140345757
2014-11-27

Method and device for partially hardening sheet metal components

#122
20140234660
2014-08-21

High-strength hot-dip galvanized steel sheet, high-strength alloyed hot-dip galvanized steel sheet excellent in bake hardenability, and manufacturing method thereof

#123
20140216124
2014-08-07

Method for producing a motor vehicle axle component

#124
20140205487
2014-07-24

Oil-well steel pipe having excellent sulfide stress cracking resistance

#125
20140153685
2014-06-05

System and method for annealing nuclear fission reactor materials

#126
20140126894
2014-05-08

Method of annealing metal member

#127
20130335071
2013-12-19

Method of scale substrate manufacture

#128
20130263980
2013-10-10

Method for improving fatigue strength of cast iron material

#129
20130252017
2013-09-26

Steel sheet for hot pressing and method for manufacturing hot-pressed member using the same

#130
20130189146
2013-07-25

Low-alloyed steel and components made thereof

#131
20130174945
2013-07-11

Bearing steel and ingot material for bearing having excellent rolling contact fatigue life characteristics and method for manufacturing the same

#132
20130160906
2013-06-27

METHOD FOR PRODUCING A MOTOR VEHICLE COMPONENT AND MOTOR VEHICLE COMPONENT

#133
20130129446
2013-05-23

Ultra high strength screw having a high yield ratio

#134
20130089282
2013-04-11

Sliding member and manufacturing method thereof

#135
20130068449
2013-03-21

Laser cladding Fe—Cr alloy on downhole tools

#136
20130043108
2013-02-21

CONVEYOR-BELT COOLING APPARATUS OF METALLURGICAL FURNACE

#137
20130037182
2013-02-14

MECHANICAL PART MADE OF STEEL HAVING HIGH PROPERTIES AND PROCESS FOR MANUFACTURING SAME

#138
20120318634
2012-12-20

Roller for in-furnace conveyance

#139
20120291923
2012-11-22

Method of manufacturing a laminar ring

#140
20120279619
2012-11-08

TREATMENT FOR PREVENTING STRESS CORROSION CRACKING

#141
20120263622
2012-10-18

Hot-rolled steel bar or wire rod

#142
20120211191
2012-08-23

High pressure heat treatment system

#143
20120174406
2012-07-12

METHOD AND PRODUCTION PLANT FOR MAKING COMPONENTS FOR A MOTOR VEHICLE

#144
20120138199
2012-06-07

Process for producing a threaded spindle having a large bearing seat

#145
20120118440
2012-05-17

High-strength and high-ductility die-quenched parts and method of manufacturing the same

#146
20120093678
2012-04-19

Steel material for automobile chassis parts superior in fatigue characteristics and method of production of automobile chassis parts using the same

#147
20120091122
2012-04-19

SELECTIVE CASE DEPTH THERMO-MAGNETIC PROCESSING AND APPARATUS

#148
20120080125
2012-04-05

LINK CHAIN SUPERIOR IN LOW TEMPERATURE TOUGHNESS AND HEAT TREATMENT METHOD OF THE SAME

#149
20120047981
2012-03-01

Method for producing seamless tubes

#150
20120042993
2012-02-23

Control of microstructure in soldered, brazed, welded, plated, cast or vapor deposited manufactured components

#151
20120031211
2012-02-09

Shaft part formed with a rolling groove

#152
20120014626
2012-01-19

Martensitic-steel casting material and process for producing martensitic cast steel product

#153
20110308780
2011-12-22

HEAT EXCHANGER FOR AN ANNEALING FURNACE FOR EXCHANGING HEAT BETWEEN TWO FLUIDS

#154
20110126791
2011-06-02

Exhaust poppet valve and solution heat treatment method of the same

#155
20110088412
2011-04-21

Cryogenic treatment of mixed loads

#156
20110067788
2011-03-24

Processes for reducing flatness deviations in alloy articles

#157
20110031779
2011-02-10

Vehicle body reinforcing member

#158
20110006465
2011-01-13

Method and plant for heat treatment of metallic elements

#159
20110005645
2011-01-13

AUSTENITIC STAINLESS STEEL, AND METHOD FOR REMOVING HYDROGEN THEREFROM

#160
20100323803
2010-12-23

Constant velocity universal joint component and manufacturing method thereof

#161
20100276040
2010-11-04

METHOD OF PRODUCING STRENGTHENED ALLOY

#162
20100276038
2010-11-04

MARTENSITIC STAINLESS STEEL, METHOD FOR MAKING PARTS FROM SAID STEEL AND PARTS THUS MADE

#163
20100239389
2010-09-23

Method for coating washers for locking and coated washer for locking

#164
20100236477
2010-09-23

Heat treatment apparatus, heat treatment method, and recording medium storing computer program carrying out the same

#165
20100154938
2010-06-24

Layered fe-based alloy and process for production thereof

#166
20100135844
2010-06-03

COLD-WORK DIE STEEL AND DIE

#167
20100111662
2010-05-06

Method for manufacturing at least part of a device for an earthmoving or materials-handling machine using austempered ductile iron and its named product

#168
20100088882
2010-04-15

Method of manufacturing a bent product and an apparatus and a continuous line for manufacturing the same

#169
20100065164
2010-03-18

System and method for annealing nuclear fission reactor materials

#170
20100059908
2010-03-11

Thermal energy machine with interchangeable components for processing different sized parts

#171
20100043926
2010-02-25

METHOD FOR PREVENTING CARBON STEEL FROM INTERGRANULAR CRACKING

#172
20100043924
2010-02-25

Local heat treatment for improved fatigue resistance in turbine components

#173
20100018610
2010-01-28

Method for producing nanocrystalline magnet cores, and device for carrying out said method

#174
20100006189
2010-01-14

Austempered ductile iron, method for producing this and component comprising this iron

#175
20100001442
2010-01-07

Method and installation for the dry transformation of a material structure of semifinished products

#176
20090320966
2009-12-31

Weld repair of superalloy materials

#177
20090277542
2009-11-12

Steel material for automobile chassis parts superior in fatigue characteristics and method of production of automobile chassis parts using the same

#178
20090275435
2009-11-05

Link Chain Superior in Low Temperature Toughness and Heat Treatment Method of Same

#179
20090269713
2009-10-29

Heat treatment equipment

#180
20090269578
2009-10-29

Steel wire rod

#181
20090261077
2009-10-22

HEAT TREATMENT HOLDER AND HEAT TREATMENT APPARATUS AND METHOD

#182
20090252866
2009-10-08

METHOD OF PRODUCING GLASS FORMING MOLD

#183
20090236016
2009-09-24

METHOD FOR MANUFACTURING GLASS MOLDING DIE

#184
20090206527
2009-08-20

HIGH PRESSURE HEAT TREATMENT SYSTEM

#185
20090205754
2009-08-20

Method for making a slide member

#186
20090173416
2009-07-09

Gas heater

#187
20090159161
2009-06-25

METHOD FOR FABRICATING A THICK Ti64 ALLOY ARTICLE TO HAVE A HIGHER SURFACE YIELD AND TENSILE STRENGTHS AND A LOWER CENTERLINE YIELD AND TENSILE STRENGTHS

#188
20090115113
2009-05-07

Apparatus for cooling a metal strip

#189
20090084155
2009-04-02

Method to Form Pin Having Void Reducing Pin Head and Flattening Head to Perform the Method

#190
20090033008
2009-02-05

QUALITY WARRANTY SYSTEM IN INDUCTION HEAT TREATMENT FACILITIES

#191
20090020194
2009-01-22

Method of Induction Hardening

#192
20080302501
2008-12-11

Steel for Hot Tooling, and Part Produced From Said Steel, Method for the Production Thereof, and Uses of the Same

#193
20080264529
2008-10-30

Apparatus and Method for Continuously Processing Long Bar by Heat Treatment Using Induction Heating

#194
20080246308
2008-10-09

Vehicle body reinforcing member

#195
20080206396
2008-08-28

Hot Runner System with Composite Nozzle Tip

#196
20080206395
2008-08-28

Composite injection molding component

#197
20080206394
2008-08-28

Composite Nozzle Tip Method

#198
20080206391
2008-08-28

Injection Molding Nozzle Assembly with Composite Nozzle Tip

#199
20080202650
2008-08-28

Heat treatment method for monocrystalline or directionally solidified structural components

#200
20080202640
2008-08-28

Manufacturing method of rocker arm bearing apparatus

#201
20080196794
2008-08-21

BULK METALLIC GLASS/METAL COMPOSITES PRODUCED BY CODEFORMATION

#202
20080156399
2008-07-03

High-Concentration Carburized/Low-Strain Quenched Member and Process for Producing the Same

#203
20080145691
2008-06-19

ARTICLES HAVING A CONTINUOUS GRAIN SIZE RADIAL GRADIENT AND METHODS FOR MAKING THE SAME

#204
20080128056
2008-06-05

Method and plant for heat treatment of metallic elements

#205
20080083207
2008-04-10

Mower sickle bar

#206
20080047636
2008-02-28

Method of Manufacturing Metal Gasket

#207
20070284020
2007-12-13

Roll/slide member, toroidal continuously variable transmission utilizing the same, and process for producing roll/slide member

#208
20070261237
2007-11-15

Methods for hardening pump casings

#209
20070256441
2007-11-08

METHOD AND DEVICE FOR COOLING TUBES

#210
20070251613
2007-11-01

Heat treatment apparatus, heat treatment method, and recording medium storing computer program carrying out the same

#211
20070251612
2007-11-01

Method for heat treatment

#212
20070209738
2007-09-13

High strength and high toughness alloy with low density and the method of making

#213
20070169860
2007-07-26

Local heat treatment for improved fatigue resistance in turbine components

#214
20070084528
2007-04-19

Low-density high-toughness alloy and the fabrication method thereof

#215
20060169374
2006-08-03

Process for the production of an articulated structural part having improved wear resistance

#216
20060103059
2006-05-18

High pressure heat treatment system

#217
20060032556
2006-02-16

Case-hardened stainless steel foundry alloy and methods of making the same

#218
20050211349
2005-09-29

Method of manufacturing enhanced teeth of dipper bucket of shovel

#219
20050087272
2005-04-28

Method for fabricating a thick Ti64 alloy article to have a higher surface yield and tensile strengths and a lower centerline yield and tensile strengths