ClassID:

119067

C21D9/005 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor Furnaces in which the charge is moving up or down

Recent Application in this class:
#1
20240392402
2024-11-28

HEAT TREATMENT METHOD AND HEAT TREATMENT FURNACE

#2
20230220990
2023-07-13

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

#3
20220403480
2022-12-22

Continuous hot dip galvanizing apparatus

#4
20220136077
2022-05-05

Heat treatment method and heat treatment furnace

#5
20200299799
2020-09-24

Method for producing galvannealed steel sheet, and continuous hot dip galvanizing apparatus

#6
20180363094
2018-12-20

Method and device for reaction control

#7
20180231312
2018-08-16

METHODS OF THERMAL PROCESSING

#8
20180056550
2018-03-01

Oven for cleaning molds, die nozzles and components for apparatuses for processing plastic materials in general

#9
20170183754
2017-06-29

Heat treatment furnace and method for heat treatment of a pre-coated steel sheet blank and method for production of a motor vehicle part

#10
20170127482
2017-05-04

Transverse flux induction heating device

#11
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

#12
20160102381
2016-04-14

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

#13
20150361521
2015-12-17

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

#14
20150361520
2015-12-17

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

#15
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

#16
20140144198
2014-05-29

Hot stamping system and method

#17
20120312805
2012-12-13

Transverse flux induction heating device

#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
20110068518
2011-03-24

Heating furnace for press hardening process

#20
20080236779
2008-10-02

VERTICAL HEAT TREATMENT SYSTEM