ClassID:

119151

C21D2221/00 - page 2 - CPC Classification

Classification description:

Treating localised areas of an article

Recent Application in this class:
#301
20100300584
2010-12-02

METHOD FOR PRODUCING A SHAPED COMPONENT HAVING AT LEAST TWO STRUCTURAL REGIONS OF DIFFERENT DUCTILITY

#302
20100279141
2010-11-04

Low core loss grain-oriented electrical steel plate and method of manufacturing the same

#303
20100252151
2010-10-07

Techniques for controlling precipitate phase domain size in an alloy

#304
20100248003
2010-09-30

Metallic article with improved fatigue performance and corrosion resistance

#305
20100227700
2010-09-09

Clinch nut fastening method

#306
20100218860
2010-09-02

Method for producing a molded sheet metal part from an as-rolled, non-hardenable aluminum alloy

#307
20100200127
2010-08-12

METHOD FOR THE LOCAL HARDENING OF RAILWAY WHEELSETS

#308
20100193171
2010-08-05

Production method of internally ribbed steel tube

#309
20100189997
2010-07-29

Stainless steel member for a fuel cell

#310
20100186857
2010-07-29

INTERNAL HIGH HARDNESS TYPE PEARLITIC RAIL WITH EXCELLENT WEAR RESISTANCE, ROLLING CONTACT FATIGUE RESISTANCE, AND DELAYED FRACTURE PROPERTY AND METHOD FOR PRODUCING SAME

#311
20100181305
2010-07-22

Induction heat treatment of complex-shaped workpieces

#312
20100156143
2010-06-24

Process for producing a locally hardened profile component, locally hardened profile component and use of a locally hardened profile component

#313
20100140230
2010-06-10

METHOD FOR THE MANUFACTURE OF A WELDED ROTOR FOR A GAS-TURBINE ENGINE

#314
20100122753
2010-05-20

CONCRETE SLURRY TRANSPORTING PIPE FOR CONCRETE PUMP-CAR

#315
20100101296
2010-04-29

Method of reheating steel part

#316
20100098967
2010-04-22

Method for imprinting and erasing amorphous metal alloys

#317
20100086803
2010-04-08

Hot-formed profile

#318
20100084892
2010-04-08

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

#319
20100084059
2010-04-08

Method of producing locally austempered ductile iron

#320
20100075122
2010-03-25

High energy treatment of cutter substrates having a wear resistant layer

#321
20100034974
2010-02-11

Method for coating or heat treatment of blisks for aircraft gas turbines

#322
20090321144
2009-12-31

PROTECTING AN ELEMENT FROM EXCESSIVE SURFACE WEAR BY LOCALIZED HARDENING

#323
20090320968
2009-12-31

DIFFERENTIAL HEAT SHAPING AND HARDENING USING INFRARED LIGHT

#324
20090313823
2009-12-24

IMPARTING DEEP COMPRESSIVE RESIDUAL STRESSES INTO A GAS TURBINE ENGINE AIRFOIL PERIPHERAL REPAIR WELDMENT

#325
20090308501
2009-12-17

Undercut crankshaft hardening coil

#326
20090294424
2009-12-03

Self-seeded single-frequency laser peening method

#327
20090263758
2009-10-22

Method and continuous furnace for heating workpieces

#328
20090255609
2009-10-15

Triple phase titanium fan and compressor blade and methods therefor

#329
20090255113
2009-10-15

Process for hardening an annular groove of a piston head by means of laser beams and a piston produced by the process

#330
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

#331
20090189436
2009-07-30

Bearing device for wheel

#332
20090188910
2009-07-30

Heat treatment system and method using active feedback

#333
20090178740
2009-07-16

Device and method for the forming of blanks from high and very high strength steels

#334
20090148721
2009-06-11

Aluminum alloy sheet for cold press forming, method of manufacturing the same, and cold press forming method for aluminum alloy sheet

#335
20090139610
2009-06-04

Method for hardening groove walls of the ring groove of a steel piston

#336
20090107968
2009-04-30

Method for heating components

#337
20090106980
2009-04-30

Process for producing bearing device for wheel

#338
20090071580
2009-03-19

Method of heat treating a superalloy component and an alloy component

#339
20090065501
2009-03-12

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

#340
20090020523
2009-01-22

Systems and methods for providing localized heat treatment of metal components

#341
20080264530
2008-10-30

Hot forged product with excellent fatigue strength, method for making the same, and machine structural part made from the same

#342
20080257458
2008-10-23

Method for case hardening a component by means of oil jets and device for carrying out said method

#343
20080229877
2008-09-25

CRANKSHAFT, INTERNAL COMBUSTION ENGINE, TRANSPORTATION APPARATUS, AND PRODUCTION METHOD FOR CRANKSHAFT

#344
20080211264
2008-09-04

Reinforcement Plate For A B Column Of A Vehicle Body

#345
20080196800
2008-08-21

Method for producing a metallic component comprising adjacent sections having different material properties by means of press hardening

#346
20080110227
2008-05-15

Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method

#347
20080110226
2008-05-15

Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method

#348
20080105341
2008-05-08

HEAT TREATMENT OF INLAID PRESSURE VESSELS

#349
20080105340
2008-05-08

Heat Treatment Method of Inlaid Pressure Vessels

#350
20080060726
2008-03-13

METHOD AND APPARATUS FOR HEAT TREATMENT OF STEEL RAIL

#351
20080041505
2008-02-21

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

#352
20080008595
2008-01-10

Compressor wheel

#353
20080003109
2008-01-03

Component of variable thickness having residual compressive stresses therein, and method therefor

#354
20070271978
2007-11-29

Method for producing a hardened profile part

#355
20070266754
2007-11-22

Metallic article with improved fatigue performance and corrosion resistance and method for making the same

#356
20070261769
2007-11-15

Method of hot stamping and hardening a metal sheet

#357
20070256808
2007-11-08

Method for producing a hardened steel part

#358
20070234772
2007-10-11

Surface treatment apparatus and method

#359
20070224017
2007-09-27

Clinch nut

#360
20070143997
2007-06-28

Crankshaft comprising a combined gear wheel and method for the production and use of said crankshaft

#361
20070119525
2007-05-31

Structural component

#362
20070062620
2007-03-22

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

#363
20070051336
2007-03-08

Method for hardening and tempering cylinder heads, and cylinder heads for internal combustion engines

#364
20070018356
2007-01-25

Hydraulic pressure molding device and hydraulic pressure molding method

#365
20070000117
2007-01-04

Method for producing hardened parts from sheet steel

#366
20060260378
2006-11-23

Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method

#367
20060185768
2006-08-24

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

#368
20060089208
2006-04-27

Golf club head composed of damascene patterned metal

#369
20060043079
2006-03-02

Self-seeded single-frequency laser peening method

#370
20060042837
2006-03-02

Maintaining carburized case during neutral to the core heat treatment processes

#371
20060021225
2006-02-02

Forming method of tooth trace of gear

#372
20060005595
2006-01-12

Clutch housing and method for manufacturing the same

#373
20050274718
2005-12-15

Method and device for thin plate article induction heating, and thin plate article

#374
20050271512
2005-12-08

Method and apparatus for coating or heat treatment of blisks for aircraft gas turbines

#375
20050145305
2005-07-07

Method of determining a heat treatment and member so treated

#376
20050132557
2005-06-23

Golf club head composed of damascene patterned metal

#377
20050101392
2005-05-12

Power transmission shaft

#378
20050081378
2005-04-21

Arrangement for crankshaft straightening

#379
20050077289
2005-04-14

Induction heat treatment method and coil and article treated thereby

#380
20050029836
2005-02-10

METHOD OF IMPROVING IMPACT ABSORBING AND DEFORMATION CONTROL CHARACTERISTICS OF VEHICLE COMPONENTS

#381
20050016245
2005-01-27

Method for manufacturing improved fatigue life structures, and structures made via the method

#382
20050006828
2005-01-13

Apparatus for heat treatment of structural body parts in the automobile industry