ClassID:

119107

C21D9/562 - 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 Details

Sub-classes:
Recent Application in this class:
#1
20250388991
2025-12-25

HIGH-SPEED JET AND RADIATION COMBINED HEATING DEVICE AND RAPID HEATING METHOD THEREOF

#2
20250171872
2025-05-29

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

#3
20250163534
2025-05-22

HIGH PERFORMANCE THERMAL INSULATION OF A HEAT TREATMENT FURNACE FOR ANNEALING A CONTINUOUSLY MOVING STRIP

#4
20240344164
2024-10-17

ADVANCED HIGH STRENGTH ZINC PLATED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND ELECTRICAL RESISTANCE SPOT WELDABILITY AND MANUFACTURING METHOD THEREOF

#5
20240295004
2024-09-05

FURNACE HUMIDIFICATION SYSTEM

#6
20240102124
2024-03-28

High-resistance steel strip comprising a temperature homogenisation chamber

#7
20230323501
2023-10-12

Continuous hot-dip galvanizing apparatus

#8
20230287552
2023-09-14

METHOD FOR DIP-COATING A METAL STRIP

#9
20230265539
2023-08-24

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

#10
20230220990
2023-07-13

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

#11
20230046285
2023-02-16

Radiant tube apparatus and method for manufacturing same

#12
20230024115
2023-01-26

Advanced high strength zinc plated steel sheet having excellent surface quality and electrical resistance spot weldability

#13
20220090226
2022-03-24

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#14
20220001429
2022-01-06

Bridle device, method for controlling snaking of steel strip, and method for producing steel strip

#15
20210164957
2021-06-03

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

#16
20210164078
2021-06-03

SPRING STEEL HAVING SUPERIOR FATIGUE LIFE, AND MANUFACTURING METHOD FOR SAME

#17
20210147958
2021-05-20

Support device for radiant tubes

#18
20210080102
2021-03-18

Method for reducing nitrogen oxides in strip heat treatment furnaces

#19
20210062291
2021-03-04

Induction heat treating apparatus

#20
20200399749
2020-12-24

Method for dip-coating a metal strip

#21
20200377978
2020-12-03

High-strength galvanized steel sheet and method for manufacturing same

#22
20200377964
2020-12-03

Method for producing hot-dip galvanized steel sheet and continuous hot-dip galvanizing apparatus

#23
20200232706
2020-07-23

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

#24
20200232063
2020-07-23

METHOD AND FURNACE FOR THERMALLY TREATING A HIGH-RESISTANCE STEEL STRIP COMPRISING A TEMPERATURE HOMOGENISATION CHAMBER

#25
20200131599
2020-04-30

Method for operating an annealing furnace

#26
20190366471
2019-12-05

Method for producing a continuous strip-shaped composite material

#27
20190329307
2019-10-31

Method and device for producing a continuous strip-shaped composite material

#28
20190292624
2019-09-26

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

#29
20190270160
2019-09-05

Method and device for producing a continuous strip-shaped composite material

#30
20190071750
2019-03-07

Method for rolling and/or heat treating a metal strip

#31
20190032168
2019-01-31

Continuous annealing apparatus

#32
20180363094
2018-12-20

Method and device for reaction control

#33
20180347018
2018-12-06

High-strength air-hardening multiphase steel having excellent processing properties, and method for manufacturing a strip of said steel

#34
20180245222
2018-08-30

Continuous annealing equipment

#35
20170327926
2017-11-16

Method for manufacturing metal sheet and rapid quenching unit

#36
20170218476
2017-08-03

Steel-strip production apparatus

#37
20170175222
2017-06-22

Production line and tool arrangement for producing a hot formed component from a blank

#38
20160377345
2016-12-29

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

#39
20160265079
2016-09-15

Continuous annealing system and continuous annealing method

#40
20160076119
2016-03-17

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

#41
20150337407
2015-11-26

Support device for radiant tubes

#42
20150076751
2015-03-19

Method of reducing dew point of atmosphere gas in annealing furnace, apparatus for the same and method of producing cold-rolled and annealed steel sheet

#43
20150013851
2015-01-15

Continuous annealing furnace and continuous annealing method for steel strips

#44
20140084523
2014-03-27

Apparatus for the continuous thermal treatment of electrically conductive continually cast material and arrangement of a sliding contact element

#45
20130310238
2013-11-21

Composite material roller for high-temperature annealing

#46
20130277897
2013-10-24

Steel wire tempering liquid wiping device

#47
20130213298
2013-08-22

Production facility and production process for hot dip galvannealed steel plate

#48
20120264073
2012-10-18

Equipment and method for preheating a continuously moving steel strip

#49
20120006579
2012-01-12

Method of fabricating an electric wire having a PTFE-based sheath, said electric wire, and a corresponding lubricant evaporation and sintering line

#50
20100319821
2010-12-23

Annealing of cold rolled metal strip

#51
20100264129
2010-10-21

Electrode support structure and electric heating device having same

#52
20100219567
2010-09-02

PROCESS LINE CONTROL APPARATUS AND METHOD FOR CONTROLLING PROCESS LINE

#53
20100200126
2010-08-12

Production facility and production process for hot dip galvannealed steel plate

#54
20100183992
2010-07-22

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

#55
20070113610
2007-05-24

Method and apparatus for manufacturing metal strips

#56
20060124696
2006-06-15

Method for managing a continuous in-line metal strip processing installation, and installation for implementing this method