ClassID:

119095

C21D9/40 - page 2 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races

Recent Application in this class:
#301
20100158420
2010-06-24

METHOD OF MANUFACTURING MOTION GUIDE DEVICE AND MOTION GUIDE DEVICE MANUFACTURED BY THE METHOD

#302
20100154937
2010-06-24

Carbonitriding method, machinery component fabrication method, and machinery component

#303
20100150489
2010-06-17

Rolling member, rolling bearing and process for manufacturing rolling member

#304
20100139811
2010-06-10

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

#305
20100107865
2010-05-06

Swash plate type piston pump motor and method for manufacturing the same

#306
20100043582
2010-02-25

Ball screw and a method for manufacturing the same

#307
20100024929
2010-02-04

Method for the thermomechanical treatment of seamless rings produced on radial-axial ring rolling machines

#308
20100012228
2010-01-21

Iron-based composite material and method of manufacturing iron-based composite material

#309
20090301608
2009-12-10

Carburized and induction-hardened component

#310
20090288742
2009-11-26

METHOD FOR INCREASING THE FATIGUE STRENGTH OF A PREDOMINANTLY STEEL MECHANICAL PART OF A WIND TURBINE AND/OR FOR REDUCING THE TENDENCY TO FORM WHAT ARE CALLED "WHITE ETCHING CRACKS" OR "BRITTLE FLAKES" IN SUCH STEEL MECHANICAL PARTS

#311
20090276992
2009-11-12

METHOD FOR MANUFACTURING RACEWAY MEMBER, METHOD FOR MANUFACTURING VALVE TRAIN AND RACEWAY MEMBER

#312
20090263053
2009-10-22

Plain bearing composite material, use thereof and production methods therefor

#313
20090260721
2009-10-22

Method of restrained-quenching of annular member

#314
20090257906
2009-10-15

Cobalt-rich wear resistant alloy and method of making and use thereof

#315
20090232434
2009-09-17

Method of texturing a bearing surface of a roller cone rock bit

#316
20090220180
2009-09-03

Wheel bearing apparatus for a vehicle

#317
20090218458
2009-09-03

Shell type needle roller bearing, support structure for supporting a compressor spindle, and support structure for supporting driving portion of a piston pump

#318
20090205798
2009-08-20

Method for producing antifriction layer of a plain bearing

#319
20090199404
2009-08-13

Manufacturing method of an outer ring for a bearing unit

#320
20090189436
2009-07-30

Bearing device for wheel

#321
20090165896
2009-07-02

Carbonitriding method, machinery component fabrication method, and machinery component

#322
20090126835
2009-05-21

Quenching methods and apparatus

#323
20090106980
2009-04-30

Process for producing bearing device for wheel

#324
20090101240
2009-04-23

Carbonitriding method, machinery component fabrication method, and machinery component

#325
20090084470
2009-04-02

REDUCED-PRESSURE HEAT TREATMENT JIG AND REDUCED-PRESSURE HEAT TREATMENT METHOD

#326
20090078339
2009-03-26

Workpiece designed for rolling stresses and formed of fully hardening steel, and a heat treatment process therefor

#327
20090065494
2009-03-12

Systems and methods for providing localized heat treatment of gas turbine components

#328
20090045586
2009-02-19

Method For Producing Rotary and/or Stationary Seal Rings of a Mechanical Face Seal by Means of Laser Hardening

#329
20090038713
2009-02-12

Rolling apparatus

#330
20090033008
2009-02-05

QUALITY WARRANTY SYSTEM IN INDUCTION HEAT TREATMENT FACILITIES

#331
20080298734
2008-12-04

Shell Type Needle Roller Bearing, Support Structure for Supporting a Compressor Spindle, and Support Structure for Supporting Driving Portion of a Piston Pump

#332
20080210352
2008-09-04

Method for heat-treating steel material

#333
20080202640
2008-08-28

Manufacturing method of rocker arm bearing apparatus

#334
20080141535
2008-06-19

Method for the production of a bearing ring for large-size rolling bearings

#335
20080053578
2008-03-06

Manufacturing method of thin component, bearing ring, thrust needle roller bearing, manufacturing method of rolling bearing ring, rolling bearing ring, and rolling bearing

#336
20080047632
2008-02-28

Method for Thermally Treating a Component Consisting of a Fully Hardenable, Heat-Resistant Steel and a Component Consisting of Said Steel

#337
20070289714
2007-12-20

Ferrous seal sliding parts and producing method thereof

#338
20070289678
2007-12-20

Device for cooling long objects

#339
20070269336
2007-11-22

Ball-and-Roller Bearing

#340
20070204940
2007-09-06

Rolling/sliding member, toroidal continuously variable transmission using the same method of manufacturing rolling/sliding member

#341
20070201783
2007-08-30

Bearing device for wheel

#342
20070196039
2007-08-23

Ball bearing for pinion shaft

#343
20070194504
2007-08-23

Heat Treatment System

#344
20070187004
2007-08-16

Machine element and method for manufacturing thereof

#345
20070187002
2007-08-16

Piston ring having improved scuffing, cracking and fatigue resistances, and its production method, as well as combination of piston ring and cylinder block

#346
20070169850
2007-07-26

Rolling bearing and heat treatment method for steel

#347
20070154127
2007-07-05

Needle roller bearing

#348
20070151634
2007-07-05

Rolling bearing

#349
20070143982
2007-06-28

Method of making a component part of a reclining device

#350
20070127860
2007-06-07

Tapered roller bearing an automotive pinion shaft supporting apparatus utilizing same tapered roller bearing

#351
20060237104
2006-10-26

Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces

#352
20060226584
2006-10-12

Steel-member manufacturing facility, thin bearing-member and thrust bearing

#353
20060204155
2006-09-14

Rolling bearing

#354
20060182379
2006-08-17

Thin-walled antifriction bearings

#355
20060165334
2006-07-27

Bearing washer for thrust bearing and thrust bearing

#356
20060165329
2006-07-27

Rolling bearing in aircraft

#357
20060153485
2006-07-13

Roller bearing with steel plate race

#358
20060070685
2006-04-06

Thin-walled bearing component, produced without material-removing machining

#359
20060061043
2006-03-23

Three piece-combined oil ring

#360
20050205562
2005-09-22

Heating device

#361
20050205163
2005-09-22

Bearing part, heat treatment method thereof, and rolling bearing

#362
20050194071
2005-09-08

Ferrous seal sliding parts and producing method thereof

#363
20050160602
2005-07-28

Method for manufacturing a bearing raceway member

#364
20050141799
2005-06-30

Wheel-support rolling bearing unit

#365
20050092396
2005-05-05

Rolling bearing for belt driven continuously variable transmission

#366
20050081962
2005-04-21

Case hardening bearing steel having excellent toughness and rolling contact fatigue life in intermediate temperature

#367
20050045247
2005-03-03

Bearing's component, heat treatment method thereof, heat treatment apparatus, and rolling bearing

#368
20050039830
2005-02-24

Induction heat treatment method and coil and article treated thereby

#369
20050039825
2005-02-24

Hardened steel components and process of treating the same

#370
20050036723
2005-02-17

Rolling bearing for fan motor