ClassID:

119068

C21D9/0056 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor Furnaces through which the charge is moved in a horizontal straight path

Recent Application in this class:
#1
20260022435
2026-01-22

Process for operating a thermal treatment line for the flexible thermal treatment of metal pre-products

#2
20250230516
2025-07-17

Method and Device for Producing Hardened Sheet-Steel Components

#3
20250163528
2025-05-22

CONTINUOUS STIRRING TRANSMISSION MECHANISM FOR TEMPERING FURNACE WORKPIECE TRANSMISSION AND TRANSMISSION METHOD

#4
20240068062
2024-02-29

DEVICE FOR HEATING STEEL PRODUCTS

#5
20240003628
2024-01-04

CENTERING DEVICE FOR METAL BLANKS

#6
20230243009
2023-08-03

PRODUCTION METHOD FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND PRODUCTION LINE

#7
20230235422
2023-07-27

MOTOR CORE PRODUCTION METHOD AND HEAT TREATMENT DEVICE USED THEREFOR

#8
20220307102
2022-09-29

HIGH PRODUCTIVITY PLANT FOR THE QUENCHING OF STEEL BARS, QUENCHING MACHINE AND CORRESPONDING METHOD FOR QUENCHING STEEL BARS

#9
20220162719
2022-05-26

Strip flotation furnace

#10
20220074008
2022-03-10

METHOD AND SYSTEM OF MANUFACTURING COILED TUBING

#11
20210155996
2021-05-27

Method for heating a metal component to a target temperature and corresponding roller hearth furnace

#12
20210142944
2021-05-13

Device and method for continuously performing grain boundary diffusion and heat treatment

#13
20210142943
2021-05-13

Continous heat treatment device and method for alloy workpiece or metal workpiece

#14
20200190648
2020-06-18

System and method for heat treating aluminum alloy castings

#15
20190360749
2019-11-28

ROLL-TRANSPORT DEVICE

#16
20190323106
2019-10-24

Temperature control device for the temperature control of a component

#17
20190049183
2019-02-14

Heat treatment apparatus

#18
20190010568
2019-01-10

Thermal treatment furnace

#19
20180282831
2018-10-04

Heat treatment apparatus

#20
20180258506
2018-09-13

HEAT TREATMENT SYSTEM

#21
20180231313
2018-08-16

Heating device for hot stamping

#22
20180142954
2018-05-24

Method and plant for the thermal treatment of friction elements, in particular brake pads

#23
20180130680
2018-05-10

Thermal process device

#24
20180056550
2018-03-01

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

#25
20180044747
2018-02-15

Method and system for manufacturing coiled tubing

#26
20170292170
2017-10-12

CONTROLLING AND OPTIMISING FURNACE ATMOSPHERES FOR STAINLESS STEEL HEAT TREATMENT

#27
20170253953
2017-09-07

Method of annealing aluminium alloy sheet material

#28
20170183755
2017-06-29

Hot-forming line for manufacturing hot-formed and press-hardened steel-sheet products, and method for operating said hot-forming line

#29
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

#30
20170175222
2017-06-22

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

#31
20170145539
2017-05-25

Method of Heat Treatment of a Metal Material

#32
20170013682
2017-01-12

HIGH FREQUENCY INDUCTION CONTINUOUS HEATING METHOD AND HIGH FREQUENCY INDUCTION CONTINUOUS HEATING APPARATUS

#33
20160326609
2016-11-10

Annealing furnace and method for annealing a steel strand

#34
20160319411
2016-11-03

SYSTEM AND METHOD FOR HEAT TREATING ALUMINUM ALLOY CASTINGS

#35
20160244869
2016-08-25

Nitriding process method of steel member

#36
20160230243
2016-08-11

HEAT TREATMENT METHOD FOR RING-SHAPED MEMBER AND HEAT TREATMENT EQUIPMENT FOR RING-SHAPED MEMBER

#37
20160076116
2016-03-17

Apparatus for the press hardening of components

#38
20160061524
2016-03-03

Method and plant for carrying out thermal treatments of braking elements, in particular brake pads

#39
20150275325
2015-10-01

Continuous furnace system

#40
20150209862
2015-07-30

Transportation of castings produced in and still encapsulated in its green sand mold producing enhanced casting cooling and processed sand properties with subsequent high velocity controlled air cooling of the castings

#41
20150209840
2015-07-30

Method for the surface treatment of a workpiece

#42
20150176901
2015-06-25

Thermal processing furnace for workpieces

#43
20150176098
2015-06-25

FURNACE FOR HEATING METAL GOODS

#44
20150102538
2015-04-16

METHOD FOR HEAT TREATMENT, HEAT TREATMENT APPARATUS, AND HEAT TREATMENT SYSTEM

#45
20140322660
2014-10-30

Automated heat treatment system for engine valve

#46
20140227651
2014-08-14

Roller hearth furnace and method for heating workpieces

#47
20140224388
2014-08-14

HEAT TREATMENT LINE AND METHOD FOR OPERATING THE HEAT TREATMENT LINE

#48
20140203482
2014-07-24

Apparatus and method for the treatment of a flat steel product, taking place in throughput

#49
20130112141
2013-05-09

Treatment device

#50
20130008567
2013-01-10

Heat treatment method

#51
20120104667
2012-05-03

High temperature and economizing furnace system

#52
20120055592
2012-03-08

Method of metal processing using cryogenic cooling

#53
20120043049
2012-02-23

PROCESS AND APPARATUS FOR THE CONTINUOUS CASTING OF A SLAB

#54
20110290385
2011-12-01

Rapid thermal treatment for enhancing bending stiffness and yield moment of curved needles

#55
20110171590
2011-07-14

DEVICE FOR HEATING ROD-TYPE WORK PIECES

#56
20110108165
2011-05-12

Rapid thermal treatment for coloring surgical needles

#57
20100236477
2010-09-23

Heat treatment apparatus, heat treatment method, and recording medium storing computer program carrying out the same

#58
20100183992
2010-07-22

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

#59
20100068669
2010-03-18

CONTINUOUS HEAT TREATMENT FURNACE

#60
20090263758
2009-10-22

Method and continuous furnace for heating workpieces

#61
20090157116
2009-06-18

Rapid thermal treatment for enhancing bending stiffness and yield moment of curved needles

#62
20090151823
2009-06-18

Rapid thermal treatment for coloring surgical needles

#63
20080314203
2008-12-25

Process of drill bit manufacture

#64
20080258360
2008-10-23

Continuous carburizing furnace

#65
20080237946
2008-10-02

Continuous carburizing furnace

#66
20080237943
2008-10-02

Arrangement and a Method For Heating Metal Objects

#67
20080041505
2008-02-21

Continuous process for production of steel part with regions of different ductility

#68
20080036124
2008-02-14

FURNACE, AND HOT FORMING LINE INCLUDING SUCH A FURNACE

#69
20070251613
2007-11-01

Heat treatment apparatus, heat treatment method, and recording medium storing computer program carrying out the same

#70
20070172786
2007-07-26

Double-chamber type heat-treating furnace

#71
20050158685
2005-07-21

Heat treatment furnace

#72
20050115648
2005-06-02

Method of heat treatment of stainless steel

#73
20050012254
2005-01-20

Annealing apparatus

#74
14972110
2018-11-13

Thermal scavenging system to remove residue from interior surface of seamless tube in a bright annealing furnace