ClassID:

119062

C21D9/0018 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor; Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge

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
20240003628
2024-01-04

CENTERING DEVICE FOR METAL BLANKS

#3
20230407424
2023-12-21

VACUUM HEAT TREATMENT APPARATUS

#4
20230213282
2023-07-06

Method and apparatus for hardening mold grids using clamp quenching

#5
20220316801
2022-10-06

Layout of slab storerooms and furnaces for separate charging of cold blanks and hot blanks of thick plate, and furnace charging method

#6
20220307102
2022-09-29

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

#7
20220195558
2022-06-23

Method for the heat treatment of a metal based on a predicted austenite content to achieve austenite content within a quality window

#8
20210277493
2021-09-09

Method and system for cooling hot objects

#9
20210140004
2021-05-13

SYSTEMS AND METHODS FOR ANNEALING SHEET METAL COILS

#10
20210086384
2021-03-25

Helicoidal blade manufacturing system and method

#11
20200263269
2020-08-20

CONTINUOUS WORKING SYSTEM WITH HANGING CONVEYER

#12
20200032367
2020-01-30

Cold rolled steel wire, method and reinforcement of flexible conduits

#13
20190301803
2019-10-03

Apparatus for stirring and methods of stirring

#14
20190185956
2019-06-20

CHARGING APPARATUS FOR THE DIMENSIONALLY STABLE HEAT TREATMENT OF WORKPIECES

#15
20190049183
2019-02-14

Heat treatment apparatus

#16
20190010568
2019-01-10

Thermal treatment furnace

#17
20180304476
2018-10-25

Apparatus for loading/unloading workpieces into/from furnace

#18
20180002774
2018-01-04

METHOD, FURNACE INSTALLATION AND SYSTEM FOR THE HOT STAMPING OF WORKPIECES

#19
20170370648
2017-12-28

Heat treatment system

#20
20170307296
2017-10-26

Multi-chamber heat treatment device

#21
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

#22
20170013682
2017-01-12

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

#23
20170008060
2017-01-12

Aluminum warm forming multi-opening oven and production line

#24
20160339507
2016-11-24

Turbine blade manufacturing method

#25
20160319392
2016-11-03

Cold rolled steel wire, method and reinforcement of flexible conduits

#26
20160258034
2016-09-08

Heat-treatment apparatus and heat-treatment method

#27
20160230243
2016-08-11

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

#28
20160195332
2016-07-07

Apparatus for the heat treatment of coated semi-finished steel products

#29
20160193639
2016-07-07

Transporting apparatus for rolling ingots, use of such a transporting apparatus, and method for transporting rolling ingots

#30
20160138124
2016-05-19

Jig and heating apparatus with a jig

#31
20160138121
2016-05-19

Heating apparatus, heat treatment apparatus, and heating method

#32
20160108489
2016-04-21

TRANSPORT DEVICE AND METHOD FOR TRANSPORTING HOT AND THIN-WALLED STEEL PARTS

#33
20160076116
2016-03-17

Apparatus for the press hardening of components

#34
20150337407
2015-11-26

Support device for radiant tubes

#35
20150275325
2015-10-01

Continuous furnace system

#36
20150225189
2015-08-13

Handling device

#37
20150192363
2015-07-09

Mobile removable hearth for furnace and transporter

#38
20150176098
2015-06-25

FURNACE FOR HEATING METAL GOODS

#39
20150050611
2015-02-19

Walking-beam type heating furnace

#40
20140353887
2014-12-04

METALLURGICAL HEAT TREATING SYSTEM WITH HEAT RECOVERY

#41
20140345351
2014-11-27

Apparatus for electrical-assisted incremental forming and process thereof

#42
20130209947
2013-08-15

Work load lifting system for a vertical vacuum furnace

#43
20130175741
2013-07-11

Load transport mechanism for a multi-station heat treating system

#44
20130160903
2013-06-27

Method for quenching steel pipe and method for producing steel pipe using the same

#45
20130112141
2013-05-09

Treatment device

#46
20130074561
2013-03-28

Method and apparatus for surface enhancement

#47
20130043108
2013-02-21

CONVEYOR-BELT COOLING APPARATUS OF METALLURGICAL FURNACE

#48
20120285577
2012-11-15

Method for heat-treating metal tubes or pipes for nuclear power plant

#49
20120234824
2012-09-20

Heating apparatus, heat treatment apparatus, and heating method

#50
20120168043
2012-07-05

System and method for hardening rails

#51
20120133089
2012-05-31

Heat treatment furnace

#52
20120055217
2012-03-08

Electrical-assisted double side incremental forming and processes thereof

#53
20120000265
2012-01-05

Automatic heat treatment method for metal ring

#54
20110290385
2011-12-01

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

#55
20110272867
2011-11-10

Handling machine for handling rails and handling process thereof

#56
20110269086
2011-11-03

Chamber furnace with overtemperature

#57
20110108165
2011-05-12

Rapid thermal treatment for coloring surgical needles

#58
20110006465
2011-01-13

Method and plant for heat treatment of metallic elements

#59
20100300586
2010-12-02

Process of thermal treatment of rails

#60
20100236669
2010-09-23

Method for the heat treatment of castings using an air quench and system for implementing the method

#61
20100143080
2010-06-10

Device and method for loading and unloading a heat treatment furnace

#62
20100012230
2010-01-21

APPARATUS AND METHOD FOR THE HEAT TREATMENT OF INTEGRAL ROTORS OF GAS TURBINES

#63
20090218738
2009-09-03

Installation for the dry transformation of a material microstructure of semi-finished products

#64
20090200713
2009-08-13

System and method for hardening rails

#65
20090178738
2009-07-16

Self-annealing enclosure

#66
20090170047
2009-07-02

Method and system for thermal processing of objects in chambers

#67
20090157116
2009-06-18

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

#68
20090151823
2009-06-18

Rapid thermal treatment for coloring surgical needles

#69
20080314203
2008-12-25

Process of drill bit manufacture

#70
20080258360
2008-10-23

Continuous carburizing furnace

#71
20080128056
2008-06-05

Method and plant for heat treatment of metallic elements

#72
20070267788
2007-11-22

Annealing rack

#73
20060043653
2006-03-02

Self-annealing enclosure

#74
20060016524
2006-01-26

Annealing system for ammunition casings using induction heating

#75
20050236401
2005-10-27

Method and apparatus for controlling part movement

#76
20050205562
2005-09-22

Heating device

#77
20050161869
2005-07-28

Installation for the heat-treatment of parts

#78
15589613
2018-06-19

Vertical multi-batch magnetic annealing systems for reduced footprint manufacturing environments