ClassID:

119114

C21D9/5735 - 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 Details

Sub-classes:
Recent Application in this class:
#1
20250369068
2025-12-04

SYSTEM FOR COOLING A STRIP OF STEEL

#2
20250230518
2025-07-17

HEAT TREATMENT APPARATUS

#3
20240093327
2024-03-21

CONTINUOUS ANNEALER FOR WIRE

#4
20230019923
2023-01-19

TEMPERATURE-CONTROL DEVICE FOR PARTIALLY COOLING A COMPONENT

#5
20230017287
2023-01-19

DEVICE AND METHOD FOR HEAT TREATMENT OF STEELS, INCLUDING A WET COOLING

#6
20230014843
2023-01-19

DEVICE AND METHOD FOR HEAT TREATMENT OF STEELS, INCLUDING A WET COOLING

#7
20220251677
2022-08-11

Cooling device for blowing gas onto a surface of a traveling strip

#8
20220119903
2022-04-21

Steel Wire Having Excellent Straightness Quality and Manufacturing Method Thereof

#9
20210164071
2021-06-03

TEMPERATURE-CONTROL DEVICE FOR PARTIALLY COOLING A COMPONENT

#10
20210156018
2021-05-27

Method for producing a steel strip with improved bonding of metallic hot-dip coatings

#11
20210079494
2021-03-18

Method for reducing nitrogen oxides in strip treatment furnaces

#12
20210062291
2021-03-04

Induction heat treating apparatus

#13
20200377978
2020-12-03

High-strength galvanized steel sheet and method for manufacturing same

#14
20200190622
2020-06-18

Cooling apparatus for metal strip and continuous heat treatment facility for metal strip

#15
20190032168
2019-01-31

Continuous annealing apparatus

#16
20180363983
2018-12-20

Cooling apparatus for metal strip

#17
20180127851
2018-05-10

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

#18
20170327926
2017-11-16

Method for manufacturing metal sheet and rapid quenching unit

#19
20170297072
2017-10-19

Material property value estimating method, material property value estimating device, and steel-strip manufacturing method

#20
20170211165
2017-07-27

Method for cooling steel strip and cooling apparatus

#21
20170159152
2017-06-08

Apparatuses and methods for processing a metal ribbon

#22
20160194732
2016-07-07

Apparatuses and methods for processing a metal ribbon

#23
20150361521
2015-12-17

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

#24
20150361520
2015-12-17

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

#25
20150315691
2015-11-05

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

#26
20150047758
2015-02-19

Method and apparatus of manufacturing high strength cold rolled steel sheet

#27
20140350746
2014-11-27

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

#28
20140158234
2014-06-12

Device for blowing gas into a face of traveling strip material

#29
20120235331
2012-09-20

Method and apparatus for removing coolant liquid from moving metal strip

#30
20120205842
2012-08-16

Gas-jet cooling apparatus for continuous annealing furnace

#31
20110266725
2011-11-03

METHOD FOR COOLING A MOVING METAL BELT

#32
20110107776
2011-05-12

METHOD AND APPARATUS FOR CONTROLLED COOLING

#33
20110034203
2011-02-10

Push to talk over cellular (POC) server capable of changing session priority settings when receiving authorized override message

#34
20110030820
2011-02-10

Device for blowing gas onto a face of traveling strip material

#35
20100307646
2010-12-09

Cooling system and cooling method of rolling steel

#36
20100269367
2010-10-28

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

#37
20090115113
2009-05-07

Apparatus for cooling a metal strip

#38
20090065983
2009-03-12

A METHOD AND APPARATUS FOR LIMITING THE VIBRATION OF STEEL OR ALUMINUM STRIPS IN BLOWN-GAS OR -AIR COOLING ZONES

#39
20070251287
2007-11-01

Hot rolled strip cooling device with coolant header

#40
20070241485
2007-10-18

Method and apparatus for limiting the vibration of steel or aluminum strips in a blown-gas or -air cooling zones

#41
20060243357
2006-11-02

Method and device for cooling a steel strip

#42
20060027163
2006-02-09

Apparatus for cooling a strip of sheet metal