ClassID:

118914

C21D1/04 - CPC Classification

Classification description:

General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering with simultaneous application of supersonic waves, magnetic or electric fields

Recent Application in this class:
#1
20250027180
2025-01-23

METHOD AND FURNACE FOR TREATING AN IRON-COBALT COMPONENT

#2
20240425959
2024-12-26

CONTINUOUS ANNEALING LINE, CONTINUOUS HOT-DIP GALVANIZING LINE, AND STEEL SHEET PRODUCTION METHOD

#3
20240417831
2024-12-19

ALLOYED STEEL

#4
20240270042
2024-08-15

TUBULAR STABILIZER BAR FOR A VEHICLE CHASSIS, AND VEHICLE CHASSIS COMPRISING THE TUBULAR STABILIZER BAR

#5
20240258001
2024-08-01

NANOCRYSTALLINE SOFT MAGNETIC ALLOY WITH HIGH MAGNETIC INDUCTION AND HIGH FREQUENCY AND PREPARATION METHOD THEREOF

#6
20230392220
2023-12-07

METHOD AND APPARATUS UTILIZING MULTIPLE FORCES TO CREATE INCREASED TENSILE STRENGTH, INCREASED STRUCTURAL COHERENCE, AND REDUCED CORROSION OF METALLICS

#7
20230307160
2023-09-28

METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#8
20230265539
2023-08-24

CONTINUOUS ANNEALING LINE, CONTINUOUS HOT-DIP GALVANIZING LINE, AND STEEL SHEET PRODUCTION METHOD

#9
20230026647
2023-01-26

PROCESS AND PRODUCTION LINE FOR FORMING OBJECTS

#10
20230002876
2023-01-05

PRE-AGEING SYSTEMS AND METHODS USING MAGNETIC HEATING

#11
20220056568
2022-02-24

Method of producing a CoFe alloy strip

#12
20210310107
2021-10-07

Systems and methods for non-contact tensioning of a metal strip

#13
20210292860
2021-09-23

Method and system for cooling hot components

#14
20210277493
2021-09-09

Method and system for cooling hot objects

#15
20210214826
2021-07-15

Systems and methods for altering microstructures of materials

#16
20210115526
2021-04-22

ELECTROPULSING METHODS FOR ADDITIVELY MANUFACTURED MATERIALS

#17
20200270712
2020-08-27

Method and device for reducing and homogenizing residual stress of a component

#18
20190385789
2019-12-19

Permanent magnet and method of making permanent magnet

#19
20190382859
2019-12-19

HEAT TREATMENT METHOD FOR ACCELERATING PRECIPITATION OF NANOSCALE CARBIDES IN W-CONTAINING ALLOY STEEL

#20
20190368018
2019-12-05

IRON-BASED AMORPHOUS ALLOY

#21
20190330725
2019-10-31

Systems and methods for threading a hot coil on a mill

#22
20190330722
2019-10-31

Steel material for soft magnetic part, soft magnetic part, and method for producing soft magnetic part

#23
20190309404
2019-10-10

Systems and methods for threading a hot coil on a mill

#24
20190309403
2019-10-10

Systems and methods for threading a hot coil on a mill

#25
20190296619
2019-09-26

Localized induction heat treatment of electric motor components

#26
20190062893
2019-02-28

Method for producing at least one component for a hydraulic displacement unit

#27
20190062855
2019-02-28

Method for heat treating an iron-carbon alloy

#28
20180092164
2018-03-29

Magnetic levitation heating of metal with controlled surface quality

#29
20180087138
2018-03-29

Compact continuous annealing solution heat treatment

#30
20180087122
2018-03-29

Pre-ageing systems and methods using magnetic heating

#31
20180085810
2018-03-29

Rapid heating of sheet metal blanks for stamping

#32
20180085805
2018-03-29

Systems and methods for non-contact tensioning of a metal strip

#33
20180085803
2018-03-29

Systems and methods for threading a hot coil on a mill

#34
20180051751
2018-02-22

Manufacturing method of precision machine tool bearing with high precision stability

#35
20170323712
2017-11-09

Fe-based soft magnetic alloy ribbon and magnetic core comprising same

#36
20170298462
2017-10-19

Method For Producing A Structural Component Including A Thermomagnetic Tempering Process Yielding Localized Soft Zones

#37
20170121783
2017-05-04

Cobalt-Lean alnico alloy

#38
20160196908
2016-07-07

Magnetic core based on a nanocrystalline magnetic alloy

#39
20160151178
2016-06-02

Method and device for remelting and/or remelt-alloying metallic materials, in particular Nitinol

#40
20160108484
2016-04-21

Method and apparatus for supercooling of metal/alloy melts and for the formation of amorphous metals therefrom

#41
20160100459
2016-04-07

Control unit of induction heating unit, induction heating system, and method of controlling induction heating unit

#42
20160100458
2016-04-07

Control unit of induction heating unit, induction heating system, and method of controlling induction heating unit

#43
20160083821
2016-03-24

Steel material, material processing method, and material processing apparatus

#44
20150369879
2015-12-24

Magnetic sensor annealing using a rocking field

#45
20150344984
2015-12-03

Ultrasound-assisting quenching process and device for performing the same

#46
20150071702
2015-03-12

STRUCTURAL BODY AND PRODUCTION METHOD FOR THE SAME

#47
20140287926
2014-09-25

Magnetic annealing apparatus

#48
20140226959
2014-08-14

Device and method for heating an object in an intense magnetic field

#49
20140202833
2014-07-24

Mitigated-force carriage for high magnetic field environments

#50
20140027082
2014-01-30

Stress free steel and rapid production of same

#51
20130089401
2013-04-11

Mitigated-force carriage for high magnetic field environments

#52
20130022339
2013-01-24

Local heat treatment of IBR blade using infrared heating

#53
20130014863
2013-01-17

METHOD OF MAGNETICALLY PROCESSING AN IRON-CARBON ALLOY

#54
20120305547
2012-12-06

Control unit of induction heating unit, induction heating system, and method of controlling induction heating unit

#55
20120125486
2012-05-24

Method and device for treating a material exposed to a magnetic field

#56
20120111458
2012-05-10

METHOD OF INCREASING HEAT EXCHANGE SURFACES AND ACTIVE SURFACES OF METAL ELEMENTS INCLUDING, IN PARTICULAR, HEAT EXCHANGE SURFACES

#57
20120006085
2012-01-12

Electromagnetic forming of metallic glasses using a capacitive discharge and magnetic field

#58
20110220249
2011-09-15

CONTINUOUS PRODUCTION SYSTEM FOR MAGNETIC PROCESSING OF METALS AND ALLOYS TO TAILOR NEXT GENERATION MATERIALS

#59
20110036467
2011-02-17

Stress free steel and rapid production of same

#60
20110000588
2011-01-06

Continuous production system for magnetic processing of metals and alloys to tailor next generation materials

#61
20100301036
2010-12-02

METHODS AND APPARATUS FOR STRESS RELIEF USING MULTIPLE ENERGY SOURCES

#62
20100230010
2010-09-16

Thin strip of amorphous alloy, nanocrystal soft magnetic alloy, and magnetic core

#63
20100018610
2010-01-28

Method for producing nanocrystalline magnet cores, and device for carrying out said method

#64
20090235715
2009-09-24

Method for selectively forming (plastic working) at least one region of a sheet metal layer made from a sheet of spring steel, and a device for carrying out this method

#65
20090165894
2009-07-02

Methods of fabricating exchange-coupling film, magnetoresistive element, and thin-film magnetic head

#66
20090020523
2009-01-22

Systems and methods for providing localized heat treatment of metal components

#67
20090011291
2009-01-08

Method of generating hydrocarbon reagents from diesel, natural gas and other logistical fuels

#68
20090007996
2009-01-08

Method for Vibrating a Substrate During Material Formation

#69
20080178971
2008-07-31

Method of improving mechanical properties of gray iron

#70
20080121313
2008-05-29

Amorphous alloys for magneto-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same

#71
20080105339
2008-05-08

Methods and apparatus for stress relief using multiple energy sources

#72
20080078481
2008-04-03

Controlled phase transition of metals

#73
20070256764
2007-11-08

Method of producing nanostructured metals using high-intensity ultrasonic vibration

#74
20070171572
2007-07-26

Side reading reduced GMR for high track density

#75
20070171571
2007-07-26

Side reading reduced GMR for high track density

#76
20060289491
2006-12-28

Thermal and high magnetic field treatment of materials and associated apparatus

#77
20060231549
2006-10-19

Thermal and high magnetic field treatment of materials and associated apparatus

#78
20060170554
2006-08-03

Method of annealing amorphous ribbons and marker for electronic article surveillance

#79
20060061918
2006-03-23

Synthetic pattern exchange configuration for side reading reduction

#80
20060022387
2006-02-02

Heat treatment apparatus

#81
20060016517
2006-01-26

Grain refinement of alloys using magnetic field processing

#82
20050115646
2005-06-02

Stress free steel and rapid production of same

#83
20050092402
2005-05-05

Methods and apparatus for stress relief using multiple energy sources

#84
20050024792
2005-02-03

CPP GMR read head

#85
14292414
2015-09-29

Magnetic sensor annealing using a rocking field