ClassID:

119112

C21D9/573 - 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 with cooling

Sub-classes:
Recent Application in this class:
#1
20260085375
2026-03-26

METAL-STRIP WARPED-SHAPE ESTIMATION METHOD, METAL-STRIP ACCEPTABILITY DETERMINATION METHOD, METAL-STRIP MANUFACTURING METHOD, AND METAL-STRIP WARPED-SHAPE ESTIMATION EQUIPMENT

#2
20260035762
2026-02-05

ANNEALING FACILITY, AND METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET

#3
20250369067
2025-12-04

METHOD FOR COOLING A STRIP OF STEEL

#4
20250340966
2025-11-06

Heat treatment line for a hot strip

#5
20250034673
2025-01-30

APPARATUS FOR MANUFACTURING STEEL STRIP, CONTINUOUS ANNEALING FACILITY, AND MANUFACTURING METHOD

#6
20240278298
2024-08-22

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

#7
20240269734
2024-08-15

METHOD FOR PRODUCING A MICROALLOYED STEEL, A MICROALLOYED STEEL PRODUCED USING THE METHOD, AND A COMBINED CASTING/ROLLING INSTALLATION

#8
20240229185
2024-07-11

Device and Method for Thermal Treatment of a Metal Strip

#9
20240182999
2024-06-06

Heat treatment line with a method of dynamical adjustment for manufacturing a thermally treated steel sheet

#10
20240110257
2024-04-04

GALVANNEALED STEEL SHEET

#11
20240102125
2024-03-28

COOLING WATER TEMPERATURE CONTROL METHOD AND COOLING WATER TEMPERATURE CONTROL DEVICE FOR STEEL SHEET

#12
20240026490
2024-01-25

RAPID COOLING OF HIGH YIELD STRENGTH SHEET STEEL

#13
20230220990
2023-07-13

DIRECT FLAME BURNER UNIT FOR FURNACES FOR THE THERMO-CHEMICAL TREATMENT OF STEEL STRIPS IN CONTINUOUS HOT-DIP GALVANIZING PLANTS

#14
20230158774
2023-05-25

Hot-dip coated steel sheet

#15
20230107544
2023-04-06

Cold rolled flat steel product for packaging and method for producing a steel flat product

#16
20220299267
2022-09-22

Metal sheet with tailored properties

#17
20220213574
2022-07-07

PROCESSING LINE FOR THE CONTINUOUS PROCESSING OF METAL STRIPS HAVING A DUAL PURPOSE OF PRODUCING STRIPS THAT ARE ANNEALED AND DIP-COATED OR NOT COATED, AND CORRESPONDING COOLING TOWER AND METHOD FOR SWITCHING FROM ONE CONFIGURATION TO THE OTHER

#18
20210292868
2021-09-23

Martensitic stainless steel strip and method for producing same

#19
20210164957
2021-06-03

Device for the in-line measurement of the percentage of austenite in steels

#20
20210078061
2021-03-18

Side spray method for cooling the steel strip after hot rolling

#21
20210031252
2021-02-04

Steel strip coiling temperature control method, device for the same and steel strip processing system

#22
20200377978
2020-12-03

High-strength galvanized steel sheet and method for manufacturing same

#23
20200376527
2020-12-03

Control of the water economy of a cooling path

#24
20200354807
2020-11-12

Galvannealed steel sheet

#25
20200338857
2020-10-29

Hot-dip coated steel sheet

#26
20200102632
2020-04-02

STEEL SHEET AND METHOD OF PRODUCING THE SAME

#27
20200095652
2020-03-26

Section and method for cooling a continuous line combining dry cooling and wet cooling

#28
20200056254
2020-02-20

Method for manufacturing thin-specification high-Ti wear-resistant steel NM450

#29
20200017934
2020-01-16

Method and device for cooling a steel strip travelling in a continuous line cooling section

#30
20190352738
2019-11-21

Method of dynamical adjustment for manufacturing a thermally treated steel sheet

#31
20190276913
2019-09-12

Method of continuously annealing a strip

#32
20190242002
2019-08-08

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

#33
20190119776
2019-04-25

Method for producing a metallic coated steel sheet

#34
20190071750
2019-03-07

Method for rolling and/or heat treating a metal strip

#35
20190010564
2019-01-10

Rapid-cooling quenching apparatus and rapid-cooling quenching method

#36
20180355456
2018-12-13

Process and device for cooling a metal substrate

#37
20180327876
2018-11-15

Continuous-flow cooling apparatus and method of cooling strip therewith

#38
20180312938
2018-11-01

Method and apparatus for continuous thermal treatment of a steel strip

#39
20180298476
2018-10-18

Micro-alloyed high-strength multi-phase steel containing silicon and having a minimum tensile strength of 750 MPA and improved properties and method for producing a strip from said steel

#40
20180237896
2018-08-23

METHOD OF PRODUCING HOT-DIP GALVANIZED STEEL SHEET

#41
20180105917
2018-04-19

Pre-cooling system having controlled internal adjustment

#42
20170327926
2017-11-16

Method for manufacturing metal sheet and rapid quenching unit

#43
20170211165
2017-07-27

Method for cooling steel strip and cooling apparatus

#44
20170159152
2017-06-08

Apparatuses and methods for processing a metal ribbon

#45
20170152581
2017-06-01

Multipurpose processing line for heat treating and hot dip coating a steel strip

#46
20170130291
2017-05-11

Method for producing a high strength steel piece

#47
20170096721
2017-04-06

SYSTEM AND METHOD FOR TREATING AN AMORPHOUS ALLOY RIBBON

#48
20170044643
2017-02-16

METHOD AND APPARATUS FOR PRODUCING A STEEL STRIP

#49
20160355903
2016-12-08

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

#50
20160326609
2016-11-10

Annealing furnace and method for annealing a steel strand

#51
20160304984
2016-10-20

Method for continuous thermal treatment of a steel strip

#52
20160186298
2016-06-30

MICRO-ALLOYED HIGH-STRENGTH MULTI-PHASE STEEL CONTAINING SILICON AND HAVING A MINIMUM TENSILE STRENGTH OF 750 MPA AND IMPROVED PROPERTIES AND METHOD FOR PRODUCING A STRIP FROM SAID STEEL

#53
20160151814
2016-06-02

Production lines and methods for hot rolling steel strip

#54
20160086712
2016-03-24

Electrical transformer assembly

#55
20150361536
2015-12-17

Forced water cooling of thick steel wires

#56
20150361521
2015-12-17

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

#57
20150361520
2015-12-17

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

#58
20150315691
2015-11-05

Facility having a continuous annealing furnace and a galvanization bath and method for continuously manufacturing hot-dip galvanized steel sheet

#59
20150178415
2015-06-25

Material structure prediction apparatus, product manufacturing method and material structure prediction method

#60
20150047758
2015-02-19

Method and apparatus of manufacturing high strength cold rolled steel sheet

#61
20150047746
2015-02-19

Method for manufacturing steel sheet for rotor core for IPM motor

#62
20150013851
2015-01-15

Continuous annealing furnace and continuous annealing method for steel strips

#63
20140350746
2014-11-27

Method and apparatus for controlling the strip temperature of the rapid cooling section of a continuous annealing line

#64
20140230973
2014-08-21

Steel sheet and method of producing the same

#65
20140047729
2014-02-20

Method and device for blowing gas on a running strip

#66
20130213298
2013-08-22

Production facility and production process for hot dip galvannealed steel plate

#67
20130139929
2013-06-06

System and method for treating an amorphous metallic ribbon

#68
20130127095
2013-05-23

ANNEALING INSTALLATION WITH M-SHAPED STRIP TREATMENT TUNNEL

#69
20130088314
2013-04-11

Electrical transformer assembly

#70
20120235331
2012-09-20

Method and apparatus for removing coolant liquid from moving metal strip

#71
20120024435
2012-02-02

METHOD AND DEVICE FOR CONTROLLED STRAIGHTENING AND COOLING OF A WIDE METAL STRIP, ESPECIALLY A STEEL STRIP OR SHEET METAL, RUNNING OUT OF A HOT ROLLED STRIP ROLLING MILL

#72
20110315280
2011-12-29

Method and Device for Annealing and Descaling Strips of Stainless Steel

#73
20110308672
2011-12-22

Furnace configured for use in both the galvannealing and galvanizing of a metal strip

#74
20110270433
2011-11-03

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

#75
20110266725
2011-11-03

METHOD FOR COOLING A MOVING METAL BELT

#76
20110198786
2011-08-18

Method and device for the continuous creation of a bainite structure in a carbon steel, particularly in a strip steel

#77
20110186282
2011-08-04

Method and device for adjusting the cooling and energy recovery of a steel strip in an annealing or galvanization phase

#78
20110114231
2011-05-19

Steel filament patented in bismuth

#79
20110094636
2011-04-28

Production equipment and production method for precipitation hardened alloy strip

#80
20110018178
2011-01-27

Method and device for blowing gas on a running strip

#81
20100312399
2010-12-09

Operating method for a cooling section having centralized detection of valve characteristics and objects corresponding thereto

#82
20100269367
2010-10-28

DEVICE FOR BLOWING GAS ONTO A FACE OF A TRAVELING STRIP OF MATERIAL

#83
20100258216
2010-10-14

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

#84
20100237548
2010-09-23

Steel-sheet continuous annealing equipment and method for operating steel-sheet continuous annealing equipment

#85
20100219567
2010-09-02

PROCESS LINE CONTROL APPARATUS AND METHOD FOR CONTROLLING PROCESS LINE

#86
20100218516
2010-09-02

Method of cooling a metal strip traveling through a cooling section of a continuous heat treatment line, and an installation for implementing said method

#87
20100200126
2010-08-12

Production facility and production process for hot dip galvannealed steel plate

#88
20100192658
2010-08-05

Method for cooling hot strip

#89
20100044932
2010-02-25

Continuous annealing equipment

#90
20090315228
2009-12-24

METHOD AND DEVICE FOR COOLING AND STABILIZING STRIP IN A CONTINUOUS LINE

#91
20090308498
2009-12-17

Method of production and production facility of high strength cold rolled steel sheet excellent in chemical convertibility

#92
20090229712
2009-09-17

Method for controlling a metal strip in a heat treatment furnace

#93
20090211670
2009-08-27

Cooling apparatus for a hot rolled steel strip and methods for cooling a hot rolled steel strip

#94
20090205755
2009-08-20

Facility for production of high strength steel sheet or hot dip zinc coated high strength steel sheet excellent in elongation and hole expandability

#95
20090158975
2009-06-25

DEVICE FOR SECURING A FURNACE PROVIDED WITH A RAPID COOLING AND HEATING SYSTEM OPERATING UNDER CONTROLLED ATMOSPHERE

#96
20090139616
2009-06-04

Method and device for the continuous creation of a bainite structure in a carbon steel, particularly in a strip steel

#97
20090123651
2009-05-14

Continuous Annealing and Hot Dip Plating Method and Continuous Annealing and Hot Dip Plating System of Steel sheet Containing Si

#98
20090115113
2009-05-07

Apparatus for cooling a metal strip

#99
20090065103
2009-03-12

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

#100
20090031950
2009-02-05

Furnace configured for use in both the galvannealing and galvanizing of a metal strip

#101
20080277035
2008-11-13

Method and Device for Quenching Flat Steel Products

#102
20080135137
2008-06-12

Method for controlling cooling of steel sheet

#103
20080019805
2008-01-24

METHOD OF TRANSPORTING AND HEAT TREATING COILS OF HOT ROLLED PRODUCTS IN A ROLLING MILL

#104
20070261770
2007-11-15

Method and apparatus for micro-treating iron-based alloy, and the material resulting therefrom

#105
20070251287
2007-11-01

Hot rolled strip cooling device with coolant header

#106
20070198122
2007-08-23

Method for producing a metal

#107
20070074794
2007-04-05

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

#108
20060254682
2006-11-16

Method and plant for cooling a moving metal strip

#109
20060243357
2006-11-02

Method and device for cooling a steel strip

#110
20060163780
2006-07-27

Method and apparatus for cooling strip and wire material

#111
20060113013
2006-06-01

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

#112
20060060271
2006-03-23

Cooling device, manufacturing method, and manufacturing line for hot rolled steel band

#113
20060037679
2006-02-23

Atmosphere control during continuous heat treatment of metal strips

#114
20060027163
2006-02-09

Apparatus for cooling a strip of sheet metal

#115
20050262723
2005-12-01

Gas jet cooling device

#116
20050173848
2005-08-11

Device for cooling and/or rinsing steel wires and/or tapes

#117
20050016643
2005-01-27

Method and device for controlled straightening and cooling of a wide metal strip, especially a steel strip or sheet metal, running out of a hot rolled strip rolling mill