ClassID:

118932

C21D1/42 - page 2 - CPC Classification

Classification description:

General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering; Methods of heating Induction heating

Recent Application in this class:
#301
20160100458
2016-04-07

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

#302
20160089766
2016-03-31

INDUCTION HARDENED PROCESSING SHAFT AND METHOD OF MAKING SAME

#303
20160076375
2016-03-17

System and method for repairing blades

#304
20160068922
2016-03-10

Hardened titanium structure for transmission gear applications

#305
20160067753
2016-03-10

Method for producing a metal strip by casting and rolling

#306
20160060725
2016-03-03

Induction Heat-Treating Apparatus and Process

#307
20160010187
2016-01-14

Iron-carbon-manganese austenitic steel sheet

#308
20160010175
2016-01-14

Wire heating system and wire heating method

#309
20160010173
2016-01-14

Process for manufacturing iron-carbon-maganese austenitic steel sheet with excellent resistance to delayed cracking

#310
20160002748
2016-01-07

Method for producing a corrosion-resistant steel sheet

#311
20160001345
2016-01-07

Value stream process for forming vehicle rails from extruded aluminum tubes

#312
20150368735
2015-12-24

Method for induction surface hardening of a ring surface

#313
20150364247
2015-12-17

Planar inductor

#314
20150360444
2015-12-17

METHOD FOR THE PRODUCTION OF AN ALUMINIZED PACKAGING STEEL

#315
20150360282
2015-12-17

Modular micro mill and method of manufacturing a steel long product

#316
20150354020
2015-12-10

Induction hardening apparatus and methods

#317
20150344987
2015-12-03

Method and apparatus for performing a localized post-weld heat treatment on a thin wall metallic cylinder

#318
20150344985
2015-12-03

Induction heating apparatus, carriers, and methods for heat treating parts

#319
20150334784
2015-11-19

Induction heating stand assembly

#320
20150334781
2015-11-19

Induction heating system temperature sensor assembly

#321
20150319810
2015-11-05

Induction heat treatment of an annular workpiece

#322
20150315669
2015-11-05

Heat treatment method and method of manufacturing machine part

#323
20150315668
2015-11-05

Manufacturing method for outer joint member of constant velocity universal joint and outer joint member

#324
20150315666
2015-11-05

INDUCTION ANNEALING AS A METHOD FOR EXPANDED HYDROFORMED TUBE FORMABILITY

#325
20150292052
2015-10-15

High-strength spring steel wire with excellent hydrogen embrittlement resistance, manufacturing process therefor, and high-strength spring

#326
20150273560
2015-10-01

Method for blow molding metal containers

#327
20150258599
2015-09-17

Method for producing a ring-pull top from a steel sheet provided with a protective layer and a ring-pull top produced thereby

#328
20150257207
2015-09-10

Transverse flux strip heating with DC edge saturation

#329
20150257206
2015-09-10

Electric Induction Heating of a Rail Head with Non-Uniform Longitudinal Temperature Distribution

#330
20150240335
2015-08-27

Steel for induction hardening roughly shaped material for induction hardening

#331
20150239028
2015-08-27

High frequency induction heating apparatus and processing apparatus

#332
20150232974
2015-08-20

Ultra high strength alloy for severe oil and gas environments and method of preparation

#333
20150225805
2015-08-13

Single shot inductor for heat treatment of closely spaced multiple eccentric cylindrical components arranged along the longitudinal axis of a workpiece

#334
20150211089
2015-07-30

Rapid heating apparatus of continuous annealing line

#335
20150211087
2015-07-30

STRESS-RELIEF HEAT TREATMENT APPARATUS

#336
20150167815
2015-06-18

Synchronizer hub for vehicles and method for manufacturing the same

#337
20150167109
2015-06-18

Apparatus for induction hardening

#338
20150147111
2015-05-28

Structural component including a tempered transition zone

#339
20150137434
2015-05-21

Apparatus to quench a ring-shaped article

#340
20150137433
2015-05-21

Deformation correcting device

#341
20150122801
2015-05-07

Large scale metal forming

#342
20150122103
2015-05-07

Method for producing cutting blades

#343
20150101713
2015-04-16

Method and apparatus for treating a steel article

#344
20150091225
2015-04-02

Leaf spring and method of manufacture thereof having sections with different levels of through hardness

#345
20150079419
2015-03-19

Process for manufacturing a recovery annealed coated steel substrate for packaging applications and a packaging steel product produced thereby

#346
20150075679
2015-03-19

Induction Heat-Treating Apparatus and Process

#347
20150068650
2015-03-12

Production method and production facility of metal pipe

#348
20150060422
2015-03-05

Apparatus for laser materials processing

#349
20150053670
2015-02-26

TEMPERATURE-CONTROL STATION WITH HEATING BY INDUCTION

#350
20150047753
2015-02-19

Method for producing a component from steel by hot forming

#351
20150044500
2015-02-12

Process for manufacturing a recovery annealed coated steel substrate for packaging applications and a packaging steel product produced thereby

#352
20150034628
2015-02-05

Induction hardening control system

#353
20150028023
2015-01-29

Heating coil, heat treatment apparatus, and heat treatment method for elongated workpiece

#354
20150017469
2015-01-15

SHEET STEEL FOR USE AS PACKAGING STEEL AND METHOD FOR PRODUCING PACKAGING STEEL

#355
20150010779
2015-01-08

Method for producing packaging steel

#356
20140367374
2014-12-18

Induction heating of springs

#357
20140348456
2014-11-27

Rolling bearing arrangement with inclined hardness zones

#358
20140346164
2014-11-27

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

#359
20140339885
2014-11-20

Wheel bearing apparatus

#360
20140338800
2014-11-20

Austenitic stainless steel product and a method for manufacturing same

#361
20140318351
2014-10-30

Annealing system for cartridge casings

#362
20140311632
2014-10-23

METHOD FOR PRODUCING STEEL TUBE FOR AIR BAG

#363
20140305552
2014-10-16

Method for heat-treating ring-shaped member and method for producing ring-shaped member

#364
20140261921
2014-09-18

Process to improve fatigue strength of micro alloy steels, forged parts made from the process and an apparatus to execute the process

#365
20140261913
2014-09-18

High magnetic hardening assembly and method

#366
20140261902
2014-09-18

Method and apparatus for treating a steel article

#367
20140246423
2014-09-04

Method of producing a high-frequency heat treatment coil

#368
20140203011
2014-07-24

System and method for induction heating a helical rotor using a coil

#369
20140144903
2014-05-29

Cartridge case induction annealing apparatus

#370
20140124503
2014-05-08

Method and apparatus for heating steel sheet

#371
20140124104
2014-05-08

Hot forming line and method for producing a hot formed and press hardened motor vehicle part

#372
20140101938
2014-04-17

Method of working a gas turbine engine airfoil

#373
20140091063
2014-04-03

SYSTEM FOR HARDENING A CYLINDRICAL METAL COMPONENT

#374
20140083571
2014-03-27

Induction hardening apparatus and methods

#375
20140069556
2014-03-13

High carbon thin steel sheet and method for producing same

#376
20140041766
2014-02-13

Method for manufacturing and utilizing ferritic-austenitic stainless steel

#377
20140008937
2014-01-09

Strength member for an automobile body, front side member, and side structure for an automobile body

#378
20140007725
2014-01-09

Method for treating a component such as a gearwheel

#379
20140007428
2014-01-09

Heating device

#380
20130333811
2013-12-19

Method and apparatus for treating a steel article

#381
20130248519
2013-09-26

Device for the localized heating of parts of coated metal pipes and of parts of their protective coating

#382
20130240506
2013-09-19

Induction hardening system and method

#383
20130224516
2013-08-29

Coating compositions, applications thereof, and methods of forming

#384
20130193134
2013-08-01

Turbine induction temper system

#385
20130186262
2013-07-25

Case annealer

#386
20130180629
2013-07-18

Automobile part, manufacturing method for same and manufacturing device of same

#387
20130175260
2013-07-11

High frequency heating coil

#388
20130156630
2013-06-20

Steel for induction hardening and crankshaft manufactured using the same

#389
20130153092
2013-06-20

Method of production of welded joint

#390
20130152394
2013-06-20

Method for inductive hardening of teeth of gearwheels

#391
20130140299
2013-06-06

Heating coil

#392
20130133784
2013-05-30

Method and apparatus for treatment of a rail weld

#393
20130101457
2013-04-25

Steel for machine structure exhibiting excellent machinability

#394
20130098512
2013-04-25

MECHANICAL COMPONENT AND METHOD OF SURFACE HARDENING

#395
20130087256
2013-04-11

Steel wire with high strength for cold forging to improve service life of mold and method of manufacturing the same

#396
20130042950
2013-02-21

Method for hot rolling a metal slab, strip or sheet

#397
20130037530
2013-02-14

Machine for joining the ends of steel strips which machine is suited to the induction heat treatment of joining welds

#398
20130025747
2013-01-31

Steel for induction hardening, roughly shaped material for induction hardening, producing method thereof, and induction hardening steel part

#399
20130000795
2013-01-03

Amorphous Core Annealing Method

#400
20130000375
2013-01-03

Method and apparatus for manufacturing a bent member

#401
20120325806
2012-12-27

Induction heating coil, and an apparatus and method for manufacturing a worked member

#402
20120312805
2012-12-13

Transverse flux induction heating device

#403
20120305548
2012-12-06

Transverse flux induction heating device

#404
20120305547
2012-12-06

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

#405
20120279619
2012-11-08

TREATMENT FOR PREVENTING STRESS CORROSION CRACKING

#406
20120267919
2012-10-25

Strength member for an automobile body, front side member, and side structure for an automobile body

#407
20120234824
2012-09-20

Heating apparatus, heat treatment apparatus, and heating method

#408
20120211127
2012-08-23

Hollow drilling steel rod and method of manufacturing the same

#409
20120211126
2012-08-23

METHOD OF INDUCTION HEATING AND QUENCHING

#410
20120205364
2012-08-16

METHOD FOR HEATING A WORKPIECE AND A CORRESPONDING TOOL

#411
20120205016
2012-08-16

Steel tube for airbags and a process for manufacturing same

#412
20120200205
2012-08-09

CONDUCTIVE COMPONENT AND METHOD FOR TREATING THE CONDUCTIVE COMPONENT

#413
20120193000
2012-08-02

Steel for induction hardening and induction hardened steel part

#414
20120145288
2012-06-14

Induction heating systems and methods for producing an object having a varying hardness along the length of the object

#415
20120125919
2012-05-24

Induction hardening apparatus, induction hardening method, induction heating coil, heat treatment apparatus, and heat treatment method

#416
20120121420
2012-05-17

METHOD FOR HEAT-TREATING A RING-SHAPED MEMBER, METHOD FOR PRODUCING A RING-SHAPED MEMBER, RING-SHAPED MEMBER, BEARING RING, ROLLING BEARING, AND METHOD FOR PRODUCING A BEARING RING

#417
20120118441
2012-05-17

Method of manufacturing heavy-wall seamless steel pipe

#418
20120118440
2012-05-17

High-strength and high-ductility die-quenched parts and method of manufacturing the same

#419
20120107644
2012-05-03

Localized Induction Heating For Residual Stress Optimization

#420
20120104203
2012-05-03

Wall Mountable Holder

#421
20120103974
2012-05-03

TOOL AND METHOD FOR HEAT TREATING AT LEAST PART OF A METALLIC STRUCTURAL PART

#422
20120097663
2012-04-26

INDUCTION HARDENING CONTROL SYSTEM

#423
20120091122
2012-04-19

SELECTIVE CASE DEPTH THERMO-MAGNETIC PROCESSING AND APPARATUS

#424
20120085753
2012-04-12

Apparatus for induction hardening

#425
20120085467
2012-04-12

Fabrication process of coated stamped parts

#426
20120082587
2012-04-05

High strength low alloyed sintered steel

#427
20120080125
2012-04-05

LINK CHAIN SUPERIOR IN LOW TEMPERATURE TOUGHNESS AND HEAT TREATMENT METHOD OF THE SAME

#428
20120067100
2012-03-22

Elevated Temperature Forming Methods for Metallic Materials

#429
20120055284
2012-03-08

PROCESS FOR PRODUCING SEMI-SOLIDIFIED SLURRY OF IRON ALLOY

#430
20120042994
2012-02-23

MANUFACTURING METHOD OF HIGH-STRENGTH AND HIGH-TOUGHNESS THIN STEEL AND HEAT TREATMENT APPARATUS

#431
20120037279
2012-02-16

Structural material

#432
20120031160
2012-02-09

LOW CARBON WELDED TUBE AND PROCESS OF MANUFACTURE THEREOF

#433
20120024839
2012-02-02

High frequency induction heating treatment equipment and method and induction heated and thus treated product

#434
20120024817
2012-02-02

APPARATUS AND METHOD FOR PLASMA SURFACE TREATMENT

#435
20120021916
2012-01-26

METHOD AND APPARATUS FOR HEATING SHEET MATERIAL

#436
20110310924
2011-12-22

High strength spring steel wire and high strength spring and methods of production of the same

#437
20110284526
2011-11-24

CLAMPING APPARATUS AND METHOD OF HEAT-TREATING A LONG MATERIAL

#438
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

#439
20110248072
2011-10-13

METHOD AND APPARATUS FOR COATING PIPES AND PIPE SECTIONS

#440
20110248023
2011-10-13

Induction heat treatment of an annular workpiece

#441
20110247732
2011-10-13

Induction hardening system and method

#442
20110240177
2011-10-06

DEVICE AND METHOD FOR HARDENING METALLIC WORK PIECES

#443
20110226757
2011-09-22

Bearing heater

#444
20110220249
2011-09-15

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

#445
20110206307
2011-08-25

Wheel bearing apparatus for a vehicle

#446
20110186566
2011-08-04

System and method for induction heating a helical rotor using a coil

#447
20110174419
2011-07-21

System and method for annealing alloy steel components

#448
20110171590
2011-07-14

DEVICE FOR HEATING ROD-TYPE WORK PIECES

#449
20110126791
2011-06-02

Exhaust poppet valve and solution heat treatment method of the same

#450
20110089167
2011-04-21

Arrangement Structure of Guide Chip for High-Frequency Induction Heating Coil

#451
20110073590
2011-03-31

Inductor and use of such an inductor

#452
20110036831
2011-02-17

Inductor assembly for transverse flux electric induction heat treatment of electrically conductive thin strip material with low electrical resistivity

#453
20110016719
2011-01-27

Method for fabricating a member of a vehicle

#454
20110011500
2011-01-20

Ultra high strength alloy for severe oil and gas environments and method of preparation

#455
20110011499
2011-01-20

Method and device for hardening profiles

#456
20110002807
2011-01-06

STEEL FOR INDUCTION HARDENING

#457
20110000584
2011-01-06

Process for forming steel

#458
20100326984
2010-12-30

Induction heating apparatus and induction heating method

#459
20100319642
2010-12-23

Roller follower, valve train, induction hardening apparatus, method of heat treatment of shaft member, method of manufacturing shaft, and shaft

#460
20100301036
2010-12-02

METHODS AND APPARATUS FOR STRESS RELIEF USING MULTIPLE ENERGY SOURCES

#461
20100288009
2010-11-18

Hot press forming apparatus and hot press forming method

#462
20100258553
2010-10-14

Induction hardening monitoring apparatus

#463
20100258216
2010-10-14

Method for annealing a strip of steel having a variable thickness in length direction

#464
20100252150
2010-10-07

Heat treatment method of pin for endless track

#465
20100243644
2010-09-30

Insulated structure of induction heating coil

#466
20100239452
2010-09-23

Strip of hot rolled micro-alloyed steel for obtaining finished pieces by cold pressing and shearing

#467
20100237066
2010-09-23

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

#468
20100236317
2010-09-23

METHOD FOR FORMING ARTICLES AT AN ELEVATED TEMPERATURE

#469
20100230014
2010-09-16

Method of quenching a ring-shaped article and apparatus therefor

#470
20100218911
2010-09-02

Method and system for producing wide steel strip

#471
20100200123
2010-08-12

Hardened titanium structure for transmission gear applications

#472
20100193091
2010-08-05

Heat treatment method

#473
20100163140
2010-07-01

Microtreatment of Iron-Based Alloy, Apparatus and Method Therefor, and Microstructure Resulting Therefrom

#474
20100139811
2010-06-10

Carbonitrided induction hardened steel part superior in surface fatigue strength at high temperature and method of production of same

#475
20100132854
2010-06-03

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

#476
20100108665
2010-05-06

Induction heating system and induction heating method of metal plate

#477
20100086002
2010-04-08

Heating furnace system for hot stamping

#478
20100084892
2010-04-08

Strength member for an automobile body, front side member, and side structure for an automobile body

#479
20100084051
2010-04-08

Method for manufacturing carburized part, and steel part

#480
20100072193
2010-03-25

METHOD AND APPARATUS FOR THE HEAT TREATMENT OF WELDS

#481
20100051611
2010-03-04

METHOD AND DEVICE FOR INDUCTION HEATING AND HARDENING APPARATUS

#482
20100044932
2010-02-25

Continuous annealing equipment

#483
20100032059
2010-02-11

PROCESS TO MANUFACTURE SHAFT AND GUIDE PINS AS USED FOR PLANETARY SYSTEMS

#484
20100012648
2010-01-21

Method of treating a crankshaft

#485
20100012230
2010-01-21

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

#486
20090320546
2009-12-31

Method and finishing train for hot-rolling starting material

#487
20090308499
2009-12-17

Process for manufacturing iron-carbon-manganese austenitic steel sheet with excellent resistance to delayed cracking, and sheet thus produced

#488
20090275435
2009-11-05

Link Chain Superior in Low Temperature Toughness and Heat Treatment Method of Same

#489
20090255609
2009-10-15

Triple phase titanium fan and compressor blade and methods therefor

#490
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

#491
20090229713
2009-09-17

Wall mountable holder

#492
20090194258
2009-08-06

THERMAL ISOLATION SCREEN FOR ISOLATING AN ELECTROMAGNETIC INDUCTOR, AND HEAT TREATMENT INSTALLATION COMPRISING SUCH A SCREEN

#493
20090183804
2009-07-23

Localized induction heating for residual stress optimization

#494
20090159157
2009-06-25

Heat treating device and heat treating method

#495
20090158587
2009-06-25

HEAT-BASED REDIMENSIONING FOR REMANUFACTURE OF FERROUS COMPONENTS

#496
20090133785
2009-05-28

LEAF SPRING MATERIAL AND MANUFACTURING METHOD THEREOF

#497
20090101636
2009-04-23

Transverse Flux Electric Inductors

#498
20090084830
2009-04-02

Tool assembly heat treatment method

#499
20090072452
2009-03-19

Structure for Casehardening a Fixture of a Guide Plate of a Chain Saw

#500
20090071954
2009-03-19

Induction Tempering Method, Induction Tempering Apparatus, and Induction Tempered Product

#501
20090065501
2009-03-12

Electric induction heating of a rail head with non-uniform longitudinal temperature distribution

#502
20090050622
2009-02-26

Heat treatment of flexibly rolled strip

#503
20090045556
2009-02-19

Equipment and method for hardening treatment of metallic parts

#504
20090033008
2009-02-05

QUALITY WARRANTY SYSTEM IN INDUCTION HEAT TREATMENT FACILITIES

#505
20090025831
2009-01-29

HOT-DIP GALVANIZED STEEL SHEET AND GALVANNEALED STEEL SHEET

#506
20090023506
2009-01-22

Induction hardened hollow driving shaft

#507
20090020525
2009-01-22

Electric induction heat treatment

#508
20090020195
2009-01-22

High Strength Spring Steel Wire and High Strength Spring and Methods of Production of the Same

#509
20090020194
2009-01-22

Method of Induction Hardening

#510
20090000708
2009-01-01

Method for manufacture of complex heat treated tubular structure

#511
20080308978
2008-12-18

Heat-Treating of Rolling Elements for Bearings, and Furnace for Implementing Such Treatment

#512
20080268991
2008-10-30

Method for producing a conical pulley, a conical pulley, and a belt-driven conical-pulley transmission

#513
20080264529
2008-10-30

Apparatus and Method for Continuously Processing Long Bar by Heat Treatment Using Induction Heating

#514
20080242438
2008-10-02

Golf shaft, golf club, and production method for golf shaft

#515
20080236235
2008-10-02

Heat-Treatment Apparatus for Steel Plate and Manufacturing Line of Steel Plate Having the Heat-Treatment Apparatus

#516
20080179377
2008-07-31

RESTOTRATION METHOD FOR DETERIORATED PART AND RESTORATION APPARATUS FOR DETERIORATED PART

#517
20080115863
2008-05-22

Method for improving the performance of seam-welded joints using post-weld heat treatment

#518
20080105339
2008-05-08

Methods and apparatus for stress relief using multiple energy sources

#519
20080105023
2008-05-08

METHOD OF FORMING A PANEL FROM A METAL ALLOY SHEET

#520
20080087358
2008-04-17

Induction Heat Treatment Apparatus, Induction Heat Treatment Method, And Worked Product Produced By Method Thereof

#521
20080073003
2008-03-27

High frequency induction heating treatment equipment and method and induction heated and thus treated product

#522
20080060726
2008-03-13

METHOD AND APPARATUS FOR HEAT TREATMENT OF STEEL RAIL

#523
20080042327
2008-02-21

System for Extending the Life of Thin Walled Tubing and Austempered Weld Stress Relieved Thin Walled Tubing

#524
20080040924
2008-02-21

Method for the repair of a compressor rotor designed in blisk technology

#525
20080034829
2008-02-14

Apparatus for removing dent in sheet metal and method thereof

#526
20070267407
2007-11-22

Multi-frequency heat treatment of a workpiece by induction heating

#527
20070210076
2007-09-13

Low frequency heating device and article made therefrom

#528
20070204939
2007-09-06

Method and Device for Induction Heating and Hardening Apparatus

#529
20070199977
2007-08-30

Turbocharger turbine and shaft assembly

#530
20070194010
2007-08-23

Transverse flux electric inductors

#531
20070138169
2007-06-21

Heat treatment apparatus and heat treatment method

#532
20070131218
2007-06-14

Method and apparatus utilizing first and second heating devices for heat treating a fuel assembly channel with induction heating

#533
20070116591
2007-05-24

Continuous method of rolling a powder metallurgical metallic workpiece

#534
20070062620
2007-03-22

Fixing element comprising a low-alloyed steel and process for the production thereof

#535
20070001483
2007-01-04

Metal tube for reinforcing car body and car body reinforcement therewith

#536
20070000916
2007-01-04

Induction heating coil for shaft member having multiple steps and heating method

#537
20060231175
2006-10-19

Method for thermomechanical treatment of steel

#538
20060197638
2006-09-07

Induction heating stress improvement

#539
20060196870
2006-09-07

Transversal field heating installation for inductively heating flat objects

#540
20060185768
2006-08-24

Fixing element comprising a low-alloyed steel and process for the production thereof

#541
20060175742
2006-08-10

Track bushing and method and apparatus for producing the same

#542
20060144481
2006-07-06

Track bushing and method and apparatus for producing the same

#543
20060144480
2006-07-06

Track bushing and method and apparatus for producing the same

#544
20060113010
2006-06-01

Heat treatment method and device for piping

#545
20060102620
2006-05-18

Heat treat process

#546
20060102257
2006-05-18

Steel composition and parts forged by a forging die

#547
20060082040
2006-04-20

Clamp device and clamp method for heat-treated article

#548
20060060267
2006-03-23

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