ClassID:

119105

C21D9/56 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length; Furnaces for treating strips or wire Continuous furnaces for strip or wire

Sub-classes:
Recent Application in this class:
#1
20250333810
2025-10-30

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

#2
20250257417
2025-08-14

HEARTH ROLL FOR CONTINUOUS ANNEALING FURNACE

#3
20250179604
2025-06-05

ANNEALING FURNACE, METHOD OF CONSTRUCTING ANNEALING FURNACE, AND STRUCTURE FOR PREFABRICATION

#4
20240425959
2024-12-26

CONTINUOUS ANNEALING LINE, CONTINUOUS HOT-DIP GALVANIZING LINE, AND STEEL SHEET PRODUCTION METHOD

#5
20240278298
2024-08-22

System and method for the continuous casting and subsequent flat rolling of a steel strip

#6
20240102124
2024-03-28

High-resistance steel strip comprising a temperature homogenisation chamber

#7
20220380864
2022-12-01

ANNEALING FURNACE, METHOD OF CONSTRUCTING ANNEALING FURNACE, AND STRUCTURE FOR PREFABRICATION

#8
20220380862
2022-12-01

Hearth roll for continuous annealing furnace

#9
20210210260
2021-07-08

ALLOY, MAGNETIC CORE & PROCESS FOR THE PRODUCTION OF A TAPE FROM AN ALLOY

#10
20210198765
2021-07-01

Steel sheet temperature control device and temperature control method

#11
20210121924
2021-04-29

CASTING-ROLLING SYSTEM FOR BATCH AND CONTINUOUS OPERATION

#12
20210062290
2021-03-04

Metal strip, method for producing an amorphous metal strip and method for producing a nanocrystalline metal strip

#13
20210032720
2021-02-04

METHOD OF HEATING STEEL SHEET IN CONTINUOUS ANNEALING AND CONTINUOUS ANNEALING FACILITY

#14
20200248294
2020-08-06

Production method of hot-dip galvanized steel sheet

#15
20200232706
2020-07-23

Fast response heaters and associated control systems used in combination with metal treatment furnaces

#16
20200165696
2020-05-28

METHOD FOR OPERATING A CONTINUOUS PROCESSING LINE

#17
20200149126
2020-05-14

Conveyance system for tensioning in order to post-treat a rapidly-solidified metal strip, and post-treatment method

#18
20200141649
2020-05-07

OVEN SYSTEM HAVING A HOT AIR HEATING

#19
20200102632
2020-04-02

STEEL SHEET AND METHOD OF PRODUCING THE SAME

#20
20200071793
2020-03-05

Combined continuous casting and metal strip hot-rolling plant

#21
20200024747
2020-01-23

Method of colorizing stainless steel using strip anneal processing

#22
20190292624
2019-09-26

Device and method for determining the microstructure of a metal product, and metallurgical installation

#23
20190276913
2019-09-12

Method of continuously annealing a strip

#24
20190249271
2019-08-15

Pre-conditioned AlSiFe coating of boron steel used in hot stamping

#25
20190201954
2019-07-04

Coil width control method and apparatus

#26
20190169776
2019-06-06

Heat distribution management device for yarn treatment

#27
20190112684
2019-04-18

STEEL SHEET SUITABLE FOR ENAMELLING AND METHOD FOR PRODUCING SUCH A SHEET

#28
20190112683
2019-04-18

STEEL SHEET SUITABLE FOR ENAMELLING AND METHOD FOR PRODUCING SUCH A SHEET

#29
20190032167
2019-01-31

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

#30
20190010575
2019-01-10

Device and method for carrying out controlled oxidation of metal strips in a continuous furnace

#31
20180363094
2018-12-20

Method and device for reaction control

#32
20180340246
2018-11-29

Method for controlling the coiling temperature of a metal strip

#33
20180298503
2018-10-18

METHOD OF PRODUCING COLD ROLLED STEEL STRIP AND PRODUCTION SYSTEM FOR COLD ROLLED STEEL STRIP

#34
20180245222
2018-08-30

Continuous annealing equipment

#35
20180245196
2018-08-30

Method for manufacturing high-silicon steel strip by continuous siliconizing

#36
20180195145
2018-07-12

Method of producing martensitic stainless steel strip

#37
20180142339
2018-05-24

Method and device for reaction control

#38
20180127851
2018-05-10

Apparatus for annealing alloy ribbon and method of producing annealed alloy ribbon

#39
20180105916
2018-04-19

CONTINUOUS HOT-DIP METAL COATING METHOD AND CONTINUOUS HOT-DIP METAL COATING LINE

#40
20180044758
2018-02-15

DEVICE FOR HEATING IRON AND STEEL PRODUCTS, AND METHOD FOR HEATING IRON AND STEEL PRODUCTS

#41
20170314096
2017-11-02

Method for orienting steel sheet grains, corresponding device, and facility implementing said method or device

#42
20170314095
2017-11-02

Steel sheet for cans and method for manufacturing steel sheet for cans

#43
20170314087
2017-11-02

Method of production of tin containing non grain-oriented silicon steel sheet, steel sheet obtained and use thereof

#44
20170306466
2017-10-26

Method of continuously heat-treating 7000-series aluminium alloy sheet material

#45
20170306438
2017-10-26

Dual-phase steel sheet with excellent formability and manufacturing method therefor

#46
20170275731
2017-09-28

Hearth roll and continuous annealing facility

#47
20170219288
2017-08-03

STEEL-STRIP PRODUCTION METHOD, AND STEEL STRIP

#48
20170218476
2017-08-03

Steel-strip production apparatus

#49
20170130296
2017-05-11

Method of producing galvannealed steel sheet

#50
20170121784
2017-05-04

Method of hardening a clothing wire for processing textile fibres, and apparatus system therefor

#51
20170051375
2017-02-23

Method for the heat treatment of a steel reinforcement element for tires

#52
20160377345
2016-12-29

Fast response heaters and associated control systems used in combination with metal treatment furnaces

#53
20160355903
2016-12-08

Apparatus for continuous annealing of strip and method for continuous annealing of same

#54
20160348971
2016-12-01

Hearth roll and manufacturing method therefor

#55
20160329140
2016-11-10

Alloy, magnetic core and process for the production of a tape from an alloy

#56
20160304980
2016-10-20

Method of annealing steel sheets

#57
20160290721
2016-10-06

Continuous annealing furnace for annealing steel strip, method for continuously annealing steel strip, continuous hot-dip galvanizing facility, and method for manufacturing hot-dip galvanized steel strip

#58
20160289784
2016-10-06

High-strength steel sheet and method for manufacturing the same

#59
20160281191
2016-09-29

Resistance annealing furnace to anneal a metal wire, strand, string, wire rod or strap

#60
20160273068
2016-09-22

Resistance annealing furnace to anneal a metal wire, strand, string, wire rod or strap

#61
20160265079
2016-09-15

Continuous annealing system and continuous annealing method

#62
20160251738
2016-09-01

Conveyance system for tensioning in order to post-treat a rapidly-solidified metal strip, and post-treatment method

#63
20160230259
2016-08-11

Hot-dip galvanized steel sheets and galvannealed steel sheets that have good appearance and adhesion to coating and methods for producing the same (as amended)

#64
20160222500
2016-08-04

Hot-dip galvanized steel sheets and galvannealed steel sheets that have good appearance and adhesion to coating and methods for producing the same

#65
20160201154
2016-07-14

Cold-rolled steel sheet for vitreous enameling and its named enameled product thereof

#66
20160194731
2016-07-07

Grain-oriented electrical steel sheet, and method for manufacturing the same

#67
20160102916
2016-04-14

Device and method for controlling and/or regulating an annealing or heat treatment furnace of a production line processing metal material

#68
20160100459
2016-04-07

Control unit of induction heating unit, induction heating system, and method of controlling induction heating unit

#69
20160100458
2016-04-07

Control unit of induction heating unit, induction heating system, and method of controlling induction heating unit

#70
20160076119
2016-03-17

Determining the ferrite phase fraction after heating or cooling of a steel strip

#71
20150361521
2015-12-17

Continuous annealing device and continuous hot-dip galvanising device for steel strip

#72
20150361520
2015-12-17

Continuous annealing device and continuous hot-dip galvanising device for steel strip

#73
20150337407
2015-11-26

Support device for radiant tubes

#74
20150275326
2015-10-01

PREHEATING AND ANNEALING OF COLD ROLLED METAL STRIP

#75
20150225807
2015-08-13

DEVICE FOR HEAT TRANSFER DURING THE PRODUCTION OF ELONGATED STRAND SHAPED MATERIAL

#76
20150159235
2015-06-11

Method for continuously annealing steel strip and method for manufacturing galvanized steel strip

#77
20150140218
2015-05-21

Continuous annealing furnace for annealing steel strip, method for continuously annealing steel strip, continuous hot-dip galvanizing facility, and method for manufacturing hot-dip galvanized steel strip

#78
20150140217
2015-05-21

Continuous annealing furnace for steel strip, continuous annealing method, continuous galvanizing apparatus and method for manufacturing galvanized steel strip (as amended)

#79
20150034215
2015-02-05

High strength multi-phase steel, and method for producing a strip from said steel

#80
20140242543
2014-08-28

Fatigue-resistant Nitinol instrument

#81
20140230973
2014-08-21

Steel sheet and method of producing the same

#82
20140175713
2014-06-26

Method for operating a continuous annealing line for the processing of a rolled good

#83
20140110890
2014-04-24

Method and apparatus for continuously treating metal strip

#84
20140090595
2014-04-03

Dual-purpose facility of continuous hot-dip coating and continuous annealing

#85
20130334187
2013-12-19

Wire electrode annealing processing method and wire electric discharge machining device

#86
20130288073
2013-10-31

Plating method

#87
20130277896
2013-10-24

Process and installation for heating a metallic strip, notably for an annealing

#88
20130273251
2013-10-17

Continuous annealing method and a manufacturing method of hot-dip galvanized steel strips

#89
20130213298
2013-08-22

Production facility and production process for hot dip galvannealed steel plate

#90
20130152650
2013-06-20

METHOD AND DEVICE FOR TREATMENT OF CONTINUOUS OR DISCRETE METAL PRODUCTS

#91
20120312805
2012-12-13

Transverse flux induction heating device

#92
20120305547
2012-12-06

Control unit of induction heating unit, induction heating system, and method of controlling induction heating unit

#93
20120264073
2012-10-18

Equipment and method for preheating a continuously moving steel strip

#94
20120262266
2012-10-18

Alloy, magnetic core and process for the production of a tape from an alloy

#95
20120231414
2012-09-13

Fatigue-resistant Nitinol instrument

#96
20120180721
2012-07-19

Dual-purpose facility of continuous hot-dip coating and continuous annealing

#97
20120067469
2012-03-22

Very thin steel sheet and production method thereof

#98
20110294082
2011-12-01

METAL HEAT TREATING METHODS AND DEVICES

#99
20110270433
2011-11-03

Method and section for cooling a moving metal belt by spraying liquid

#100
20110266725
2011-11-03

METHOD FOR COOLING A MOVING METAL BELT

#101
20110104449
2011-05-05

HEARTH ROLL HAVING EXCELLENT MN BUILD-UP RESISTANCE, THERMAL SHOCK RESISTANCE, AND ABRASION RESISTANCE, AND THERMAL SPRAY MATERIAL THEREFOR

#102
20110017368
2011-01-27

Steel Material, Process of Fabricating Steel Material, and Apparatus of Fabricating Steel Material

#103
20100326984
2010-12-30

Induction heating apparatus and induction heating method

#104
20100258216
2010-10-14

Method for annealing a strip of steel having a variable thickness in length direction

#105
20100243644
2010-09-30

Insulated structure of induction heating coil

#106
20100234200
2010-09-16

Conveying roll, and hearth roll in a continuous annealing furnace

#107
20100219567
2010-09-02

PROCESS LINE CONTROL APPARATUS AND METHOD FOR CONTROLLING PROCESS LINE

#108
20100213647
2010-08-26

PROCESS AND INSTALLATION FOR HEATING A METALLIC STRIP, NOTABLY FOR AN ANNEALING

#109
20100200126
2010-08-12

Production facility and production process for hot dip galvannealed steel plate

#110
20100186940
2010-07-29

Method, Device and System for the Heat Treatment of a Moving Metal Strip

#111
20100183992
2010-07-22

DEVICE FOR LIMITING THE EXHAUSTING OF COMBUSTION FLUE GASES AT THE INLET OF A FURNACE FOR REHEATING STEEL PRODUCTS

#112
20100178527
2010-07-15

Method for hot dip galvanizing of AHSS or UHSS strip material, and such material

#113
20100101690
2010-04-29

METHOD FOR CONTINOUSLY ANNEALING STEEL STRIP HAVING A CURIE POINT AND CONTINOUS ANNEALING FACILITY OF THE SAME

#114
20100062385
2010-03-11

Made to the rapid heating sections of continuous heat-treatment lines

#115
20100044932
2010-02-25

Continuous annealing equipment

#116
20090199935
2009-08-13

Method of production of high flux density grain-oriented silicon steel sheet

#117
20090194258
2009-08-06

THERMAL ISOLATION SCREEN FOR ISOLATING AN ELECTROMAGNETIC INDUCTOR, AND HEAT TREATMENT INSTALLATION COMPRISING SUCH A SCREEN

#118
20090188591
2009-07-30

Process for the heat treatment of steel strips

#119
20090174125
2009-07-09

Method and arrangement for heating extended steel products

#120
20090065103
2009-03-12

METHOD AND APPARATUS FOR IMPROVED FORMABILITY OF GALVANIZED STEEL HAVING HIGH TENSILE STRENGTH

#121
20090025831
2009-01-29

HOT-DIP GALVANIZED STEEL SHEET AND GALVANNEALED STEEL SHEET

#122
20080302281
2008-12-11

Surface treatment of metallic articles in an atmospheric furnace

#123
20080296813
2008-12-04

Hearth roll apparatus for annealing furnace

#124
20080283157
2008-11-20

Method of Production of Hot Dipped Hot Rolled Steel Strip

#125
20080251168
2008-10-16

Bake-Hardenable Cold Rolled Steel Sheet With Superior Strength and Aging Resistance, Gal-Vannealed Steel Sheet Using the Cold Rolled Steel Sheet and Method For Manufacturing the Cold Rolled Steel Sheet

#126
20080036124
2008-02-14

FURNACE, AND HOT FORMING LINE INCLUDING SUCH A FURNACE

#127
20070232471
2007-10-04

Adiabatic Roll