ClassID:

119069

C21D9/0062 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor Heat-treating apparatus with a cooling or quenching zone

Recent Application in this class:
#1
20260022435
2026-01-22

Process for operating a thermal treatment line for the flexible thermal treatment of metal pre-products

#2
20260001117
2026-01-01

FORMING SYSTEM, FORMING DEVICE, AND FORMING METHOD

#3
20250333810
2025-10-30

COOLING APPARATUS FOR METAL STRIP, HEAT TREATMENT FACILITY FOR METAL STRIP, AND COOLING METHOD FOR METAL STRIP

#4
20250283188
2025-09-11

METHOD FOR QUENCHING A RACK USING A GAS FLOW

#5
20250206063
2025-06-26

QUENCHING A WHEEL COMPRISING A HUB

#6
20250163535
2025-05-22

METHOD AND SYSTEM FOR HEATING A PART WITH INFRARED ENERGY

#7
20250019783
2025-01-16

PROCESS AND SYSTEM FOR AUSTEMPERING METAL WORKPIECES

#8
20240410029
2024-12-12

ANNEALING FACILITY FOR ELECTRICAL STEEL SHEET, FINISH ANNEALING METHOD AND PRODUCTION METHOD OF ELECTRICAL STEEL SHEET, AND NON-ORIENTED ELECTRICAL STEEL SHEET

#9
20240360530
2024-10-31

QUENCHING APPARATUS, QUENCHING METHOD, AND METHOD OF MANUFACTURING METAL SHEET

#10
20240344158
2024-10-17

QUENCHING APPARATUS FOR METAL SHEET, CONTINUOUS ANNEALING EQUIPMENT, METHOD FOR QUENCHING METAL SHEET, METHOD FOR MANUFACTURING COLD ROLLED STEEL SHEET, AND METHOD FOR MANUFACTURING COATED STEEL SHEET

#11
20240301524
2024-09-12

QUENCHING APPARATUS AND QUENCHING METHOD FOR METAL SHEET, AND METHOD FOR MANUFACTURING STEEL SHEET

#12
20240253099
2024-08-01

METHOD FOR ROLLING HIGH-TOUGHNESS HIGH-STRENGTH LOW-ALLOY STEEL

#13
20240218477
2024-07-04

COOLING DEVICE FOR HEAT TREATMENT

#14
20240213863
2024-06-27

HEAT TREATMENT FURNACE AND HEAT TREATMENT METHOD

#15
20240213862
2024-06-27

HEAT TREATMENT FURNACE AND HEAT TREATMENT METHOD

#16
20240167115
2024-05-23

FORMING METHOD, HEAT TREATMENT SYSTEM, AND FORMED PRODUCT

#17
20240110257
2024-04-04

GALVANNEALED STEEL SHEET

#18
20240093321
2024-03-21

METHODS AND SYSTEMS FOR VACUUM AND OIL AUSTEMPERING IN PRODUCING BAINITE

#19
20240076758
2024-03-07

Method and system for heating a part with infrared energy

#20
20240043957
2024-02-08

FORMING METHOD, HEAT TREATMENT SYSTEM, AND FORMED PRODUCT

#21
20240033817
2024-02-01

Die molding apparatus

#22
20240026490
2024-01-25

RAPID COOLING OF HIGH YIELD STRENGTH SHEET STEEL

#23
20230407426
2023-12-21

HEAT TREATMENT APPARATUS

#24
20230304116
2023-09-28

Thermal Treatment of Component

#25
20230235422
2023-07-27

MOTOR CORE PRODUCTION METHOD AND HEAT TREATMENT DEVICE USED THEREFOR

#26
20230220505
2023-07-13

Method of induction-hardening a rolling-element bearing ring

#27
20230213282
2023-07-06

Method and apparatus for hardening mold grids using clamp quenching

#28
20230158774
2023-05-25

Hot-dip coated steel sheet

#29
20220403480
2022-12-22

Continuous hot dip galvanizing apparatus

#30
20220307102
2022-09-29

HIGH PRODUCTIVITY PLANT FOR THE QUENCHING OF STEEL BARS, QUENCHING MACHINE AND CORRESPONDING METHOD FOR QUENCHING STEEL BARS

#31
20220185012
2022-06-16

Quenching a wheel comprising a hub

#32
20220106660
2022-04-07

Method for manufacturing a trunnion for a constant velocity joint, a trunnion manufactured thereby, and a heat treatment device of the trunnion

#33
20220097132
2022-03-31

Additive Manufactured Powder Processing System

#34
20220033928
2022-02-03

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

#35
20220033922
2022-02-03

Heat treatment apparatus for vehicle body component

#36
20210404029
2021-12-30

HEAT TREATMENT INSTALLATION FOR PRODUCING SHAPED COMPONENTS

#37
20210348251
2021-11-11

Cooling device and production method for rail

#38
20210277493
2021-09-09

Method and system for cooling hot objects

#39
20210230711
2021-07-29

Heat treatment method and heat treatment apparatus

#40
20210189513
2021-06-24

METHOD AND DEVICE FOR PRODUCING HARDENED STEEL COMPONENTS

#41
20210155996
2021-05-27

Method for heating a metal component to a target temperature and corresponding roller hearth furnace

#42
20210147954
2021-05-20

Resettable alloys and manufacturing method for the same

#43
20210142944
2021-05-13

Device and method for continuously performing grain boundary diffusion and heat treatment

#44
20210142943
2021-05-13

Continous heat treatment device and method for alloy workpiece or metal workpiece

#45
20210140004
2021-05-13

SYSTEMS AND METHODS FOR ANNEALING SHEET METAL COILS

#46
20200370833
2020-11-26

Temperature-control unit for a furnace device for heat treating a plate

#47
20200362434
2020-11-19

Method for heating a metal casting using infrared energy

#48
20200354807
2020-11-12

Galvannealed steel sheet

#49
20200338857
2020-10-29

Hot-dip coated steel sheet

#50
20200325562
2020-10-15

HIGH-STRENGTH STEEL WITH EXCELLENT TOUGHNESS OF HEAT-AFFECTED ZONE AND MANUFACTURING METHOD THEREOF

#51
20200299799
2020-09-24

Method for producing galvannealed steel sheet, and continuous hot dip galvanizing apparatus

#52
20200263269
2020-08-20

CONTINUOUS WORKING SYSTEM WITH HANGING CONVEYER

#53
20200232053
2020-07-23

Temperature control station for partially thermally treating a metal component

#54
20200190648
2020-06-18

System and method for heat treating aluminum alloy castings

#55
20200190613
2020-06-18

Plant and method for the thermal treatment of solids

#56
20200140981
2020-05-07

Austenitic steel material having excellent abrasion resistance and toughness and manufacturing method the same

#57
20200140970
2020-05-07

AN APPARTUS AND A METHOD FOR PROCESSING STAINLESS STEEL AND AN IMPROVED STAINLESS STEEL FOR BIOIMPLANTS THEREOF

#58
20200115784
2020-04-16

Austenitic alloys for turbochargers

#59
20200115769
2020-04-16

Low-cost and high-formability 1180 MPa grade cold-rolled annealed dual-phase steel plate and manufacturing method thereof

#60
20200094524
2020-03-26

Method for producing steel composite materials

#61
20200040415
2020-02-06

Temperature control station for partially thermally treating a metal component

#62
20190352729
2019-11-21

INDUCTION-HARDENING SYSTEM FOR INDUCTION HARDENING OF A LARGE ROLLING-ELEMENT BEARING RING

#63
20190323109
2019-10-24

High strength, high toughness, heat-cracking resistant bainite steel wheel for rail transportation and manufacturing method thereof

#64
20190242002
2019-08-08

Manufacture of a stress relieved length of steel having an oxidised surface layer

#65
20190233911
2019-08-01

Heat treatment equipment and heat treatment method

#66
20190100820
2019-04-04

3-D printed cooling channels to produce PHS parts with tailored properties

#67
20190040507
2019-02-07

Method for producing a motor vehicle component from a 6000 series aluminum alloy

#68
20190032164
2019-01-31

HEAT TREATMENT METHOD AND HEAT TREATMENT DEVICE

#69
20190032163
2019-01-31

Heat treatment method and heat treatment device

#70
20190032162
2019-01-31

Method and device for the heat treatment of a metal component

#71
20190024203
2019-01-24

METHOD FOR HEAT TREATMENT OF A METAL COMPONENT

#72
20190024199
2019-01-24

Heat treatment method and heat treatment device

#73
20180363123
2018-12-20

Method and facility for carbonitriding one or more steel parts under low pressure and at a high temperature

#74
20180282831
2018-10-04

Heat treatment apparatus

#75
20180245173
2018-08-30

Method for Contactlessly Cooling Steel Sheets and Device Therefor

#76
20180193916
2018-07-12

ADDITIVE MANUFACTURING METHOD AND MATERIALS

#77
20180155803
2018-06-07

Method for the homogeneous non-contact temperature control of non-endless surfaces which are to be temperature-controlled, and device therefor

#78
20180130680
2018-05-10

Thermal process device

#79
20180010854
2018-01-11

Heat treatment device

#80
20170370648
2017-12-28

Heat treatment system

#81
20170327925
2017-11-16

CROSS-STRIP TEMPERATURE VARIATION CONTROL

#82
20170320135
2017-11-09

Additive manufactured powder processing system

#83
20170307296
2017-10-26

Multi-chamber heat treatment device

#84
20170275729
2017-09-28

METHOD OF AND FOR PRODUCING HEAVY PLATES

#85
20170253953
2017-09-07

Method of annealing aluminium alloy sheet material

#86
20170252791
2017-09-07

Forming tool and method for hot forming and partially press hardening a workpiece made of sheet steel

#87
20170247775
2017-08-31

System and method of making a cast part

#88
20170233843
2017-08-17

Head hardened rail manufacturing method and manufacturing apparatus

#89
20170226609
2017-08-10

METHOD FOR PRODUCTION OF A NITRIDED PACKAGING STEEL

#90
20170204489
2017-07-20

METHOD OF FORMING STEEL SHEET, EQUIPMENT FOR FORMING THE SAME, AND FORMED PRODUCT

#91
20170191143
2017-07-06

Method and apparatus for characterization and control of the heat treatment process of a metal alloy part

#92
20170183757
2017-06-29

HOT STAMPING METHOD FOR MANUFACTURING VEHICLE BODY PARTS

#93
20170183754
2017-06-29

Heat treatment furnace and method for heat treatment of a pre-coated steel sheet blank and method for production of a motor vehicle part

#94
20170175214
2017-06-22

Heat treatment device and cooling device

#95
20170145539
2017-05-25

Method of Heat Treatment of a Metal Material

#96
20170081737
2017-03-23

COOLING APPARATUS AND MULTI-CHAMBER HEAT TREATMENT APPARATUS

#97
20170073787
2017-03-16

Cooling device and multi-chamber heat treatment device

#98
20170048931
2017-02-16

Molding apparatus

#99
20170037489
2017-02-09

Furnace system for the controlled heat treatment of sheet metal parts

#100
20170023097
2017-01-26

Pendulum assembly for a crankshaft pendulum having cast-in near net shape hardened inserts

#101
20160369366
2016-12-22

Heat-treatment device and heat-treatment method

#102
20160362765
2016-12-15

Heat chamber furnace for heat treatment with gaseous atmosphere quenching

#103
20160326609
2016-11-10

Annealing furnace and method for annealing a steel strand

#104
20160319411
2016-11-03

SYSTEM AND METHOD FOR HEAT TREATING ALUMINUM ALLOY CASTINGS

#105
20160309596
2016-10-20

METHODS FOR FORMING COBALT INTERCONNECTS

#106
20160230247
2016-08-11

NON QUENCHED AND TEMPERED STEEL AND MANUFACTURING PROCESS THEREOF

#107
20160222499
2016-08-04

Method for the manufacturing of Al—Mg—Si and Al—Mg—Si—Cu extrusion alloys

#108
20160222481
2016-08-04

SYSTEM AND METHOD FOR ANNEALING OF AN ITEM, WHICH COMPRISES HEAT-SENSITIVE PARTS AND ANNEALED ITEM

#109
20160208377
2016-07-21

TANTALUM SPUTTERING TARGET AND METHOD FOR PRODUCING SAME

#110
20160201156
2016-07-14

NOZZLE FOR COOLING VACUUM HEAT TREATMENT FURNACE

#111
20160160326
2016-06-09

Method and device for partially hardening semifinished products

#112
20160068921
2016-03-10

Method and tool for hardening a hollow profile of a steel workpiece

#113
20160060725
2016-03-03

Induction Heat-Treating Apparatus and Process

#114
20160053359
2016-02-25

Process and apparatus for thermochemically hardening workpieces

#115
20160030817
2016-02-04

Metal shaft having longitudinally varying hardness, golf shaft using the metal shaft, golf club using the metal golf shaft, method of manufacturing the metal shaft, and tempering apparatus

#116
20160024608
2016-01-28

Processing of hot stamped parts

#117
20150354898
2015-12-10

Gas quenching cell

#118
20150354020
2015-12-10

Induction hardening apparatus and methods

#119
20150315667
2015-11-05

Method of manufacturing high strength stainless steel tube or pipe

#120
20150275325
2015-10-01

Continuous furnace system

#121
20150224551
2015-08-13

Nozzle header, cooling apparatus, manufacturing apparatus of hot-rolled steel sheet, and method for manufacturing hot-rolled steel sheet

#122
20150218759
2015-08-06

METHOD FOR PRODUCING BAINITIC RAIL STEELS, TRACK ELEMENT AND INSTALLATION FOR CARRYING OUT THE METHOD

#123
20150191811
2015-07-09

Method and apparatus for thermally treating an aluminium workpiece and aluminium workpiece

#124
20150176099
2015-06-25

Furnace and system for heat treating material

#125
20150167109
2015-06-18

Apparatus for induction hardening

#126
20150144232
2015-05-28

Method for producing a formed and at least regionally hardened sheet metal component

#127
20150121986
2015-05-07

Hot forming metal die with improved cooling system

#128
20150068650
2015-03-12

Production method and production facility of metal pipe

#129
20150047758
2015-02-19

Method and apparatus of manufacturing high strength cold rolled steel sheet

#130
20150028023
2015-01-29

Heating coil, heat treatment apparatus, and heat treatment method for elongated workpiece

#131
20150001769
2015-01-01

Batch annealing furnace for coils

#132
20140367376
2014-12-18

Method and arrangement for progressive surface hardening

#133
20140353887
2014-12-04

METALLURGICAL HEAT TREATING SYSTEM WITH HEAT RECOVERY

#134
20140291903
2014-10-02

Vacuum heat treatment device

#135
20140283955
2014-09-25

Method for manufacturing ferritic stainless steel product

#136
20140246414
2014-09-04

WIRE SOFTENING APPARATUS AND WIRE SOFTENING METHOD

#137
20140224388
2014-08-14

HEAT TREATMENT LINE AND METHOD FOR OPERATING THE HEAT TREATMENT LINE

#138
20140124104
2014-05-08

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

#139
20140116576
2014-05-01

System and method of making a cast part

#140
20140083572
2014-03-27

Furnace system for the controlled heat treatment of sheet metal components

#141
20140083571
2014-03-27

Induction hardening apparatus and methods

#142
20140042678
2014-02-13

20 bar super quench vacuum furnace

#143
20130205863
2013-08-15

Forming tool and method for hot forming and partially press hardening a workpiece made of sheet steel

#144
20130199679
2013-08-08

Method for manufacturing ultra high strength member

#145
20130167984
2013-07-04

Method of making an austempered ductile iron article

#146
20130149658
2013-06-13

Fluidised bed treatment

#147
20130149655
2013-06-13

Fluidised bed treatment

#148
20130043108
2013-02-21

CONVEYOR-BELT COOLING APPARATUS OF METALLURGICAL FURNACE

#149
20130032977
2013-02-07

Mist cooling apparatus and heat treatment apparatus

#150
20130032257
2013-02-07

Tailored hardening of boron steel

#151
20130008567
2013-01-10

Heat treatment method

#152
20120279619
2012-11-08

TREATMENT FOR PREVENTING STRESS CORROSION CRACKING

#153
20120247627
2012-10-04

Quenching process and apparatus for practicing said process

#154
20120235331
2012-09-20

Method and apparatus for removing coolant liquid from moving metal strip

#155
20120211191
2012-08-23

High pressure heat treatment system

#156
20120152410
2012-06-21

Method And Device for Energy-Efficient Hot Forming

#157
20120133089
2012-05-31

Heat treatment furnace

#158
20120104667
2012-05-03

High temperature and economizing furnace system

#159
20120085753
2012-04-12

Apparatus for induction hardening

#160
20120055592
2012-03-08

Method of metal processing using cryogenic cooling

#161
20120028202
2012-02-02

HEAT TREATMENT DEVICE AND HEAT TREATMENT METHOD

#162
20110220249
2011-09-15

CONTINUOUS PRODUCTION SYSTEM FOR MAGNETIC PROCESSING OF METALS AND ALLOYS TO TAILOR NEXT GENERATION MATERIALS

#163
20110214786
2011-09-08

Method of making a shaped object with regions of different ductility

#164
20110084062
2011-04-14

Device for inductive heating and use of such a device

#165
20100193091
2010-08-05

Heat treatment method

#166
20100068669
2010-03-18

CONTINUOUS HEAT TREATMENT FURNACE

#167
20090269713
2009-10-29

Heat treatment equipment

#168
20090206527
2009-08-20

HIGH PRESSURE HEAT TREATMENT SYSTEM

#169
20090173416
2009-07-09

Gas heater

#170
20090115113
2009-05-07

Apparatus for cooling a metal strip

#171
20080314203
2008-12-25

Process of drill bit manufacture

#172
20080258360
2008-10-23

Continuous carburizing furnace

#173
20080084011
2008-04-10

Low Pressure Thermochemical Treatment Machine

#174
20070122761
2007-05-31

Gas cooling type vacuum heat treating furnace and cooling gas direction switching device therefor

#175
20060119021
2006-06-08

Method and device for heat treatment of metal workpieces as well as a heat-treated workpiece

#176
20060118209
2006-06-08

Method and device for heat treatment of metal workpieces as well as a heat-treated workpiece

#177
20060103059
2006-05-18

High pressure heat treatment system

#178
20050161869
2005-07-28

Installation for the heat-treatment of parts

#179
20050158685
2005-07-21

Heat treatment furnace

#180
20050000597
2005-01-06

Method and device for quenching steel in pressurized air