ClassID:

119104

C21D9/54 - 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

Sub-classes:
Recent Application in this class:
#1
20220340995
2022-10-27

INTERMEDIATE HEATING STATION

#2
20220290283
2022-09-15

MOVEABLE OVERFLOW

#3
20210285067
2021-09-16

MICROTREATMENT OF IRON-BASED ALLOY, APPARATUS AND METHOD THEREFOR AND ARTICLES RESULTING THEREFROM

#4
20210180171
2021-06-17

Apparatus for dip-coating a metal strip using a movable overflow

#5
20200291500
2020-09-17

Portable carrier device for a furnace charge and handling system for the carrier device

#6
20190256937
2019-08-22

Apparatus for microtreatment of iron-based alloy

#7
20180044746
2018-02-15

Batch furnace for annealing material and method for heat treatment

#8
20160102381
2016-04-14

Production method for plated steel sheet using a steel sheet annealing device

#9
20160076119
2016-03-17

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

#10
20160010175
2016-01-14

Wire heating system and wire heating method

#11
20150337406
2015-11-26

Manufacturing a hardened formed part

#12
20140159286
2014-06-12

Rod or wire manufacturing system, related methods, and related products

#13
20140110890
2014-04-24

Method and apparatus for continuously treating metal strip

#14
20130277896
2013-10-24

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

#15
20130146350
2013-06-13

Method for manufacturing high-nitrogen steel wire and overhead power line using same

#16
20120128524
2012-05-24

STEEL WIRE ROD HAVING EXCELLENT COLD HEADING QUALITY AND HYDROGEN DELAYED FRACTURE RESISTANCE, METHOD OF MANUFACTURING THE SAME, AND MEHOD OF MANUFACTURING BOLT USING THE SAME

#17
20120028069
2012-02-02

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCING METHOD THEREFOR

#18
20110252849
2011-10-20

STEEL SHEET ANNEALING DEVICE, DEVICE FOR PRODUCING PLATED STEEL SHEET COMPRISING THE SAME, AND PRODUCTION METHOD FOR PLATED STEEL SHEET USING THE SAME

#19
20110247383
2011-10-13

Manufacture of coil springs

#20
20110017368
2011-01-27

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

#21
20100237066
2010-09-23

COMB-LIKE SLIT LAMINATED YOKE FOR A TRAVELLING-MAGNETIC-FIELD INDUCTOR FOR REHEATING METAL STRIP

#22
20100213647
2010-08-26

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

#23
20100132854
2010-06-03

Microtreatment of iron-based alloy, apparatus and method therefor, and articles resulting therefrom

#24
20090308503
2009-12-17

Rod or wire manufacturing system, related methods, and related products

#25
20090223604
2009-09-10

Apparatus for and method of conditioning shape memory alloy wire

#26
20090178738
2009-07-16

Self-annealing enclosure

#27
20090007997
2009-01-08

Methods and Systems for Preventing Iron Oxide Formulation and Decarburization During Steel Tempering

#28
20080011394
2008-01-17

Thermodynamic metal treating apparatus and method

#29
20060043653
2006-03-02

Self-annealing enclosure