ClassID:

119037

C21D8/065 - page 2 - CPC Classification

Classification description:

Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys

Recent Application in this class:
#301
20120064357
2012-03-15

TYRE BEAD WIRE AND PROCESS FOR PRODUCTION THEREOF

#302
20110318219
2011-12-29

Implant and method for producing the same

#303
20110310924
2011-12-22

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

#304
20110284139
2011-11-24

High-carbon steel wire rod of high ductility

#305
20110253262
2011-10-20

Corrosion-resistant austenitic steel alloy

#306
20110206552
2011-08-25

Carbon steel wire with high strength and excellent ductility and fatigue resistance, process for producing the same, and method of evaluating the same

#307
20110200843
2011-08-18

Welding material and welded joint structure

#308
20110168302
2011-07-14

HIGH-STRENGTH ULTRATHIN STEEL WIRE AND METHOD OF MANUFACTURING THE SAME

#309
20110146849
2011-06-23

Method of producing a high tenacity metal wire material

#310
20110114231
2011-05-19

Steel filament patented in bismuth

#311
20110100347
2011-05-05

Wire and methodology for cutting materials with wire

#312
20100287753
2010-11-18

Device for molding bistable magnetic alloy wire

#313
20100263772
2010-10-21

WIRE RODS HAVING SUPERIOR STRENGTH AND DUCTILITY FOR DRAWING AND METHOD FOR MANUFACTURING THE SAME

#314
20100224287
2010-09-09

High-strength spring steel excellent in brittle fracture resistance and method for producing same

#315
20100212786
2010-08-26

High-strength steel wire excellent in ductility and method of manufacturing the same

#316
20100170596
2010-07-08

Process for producing a corrosion-resistant austenitic alloy component

#317
20100136361
2010-06-03

Welding material and welded joint structure

#318
20100126643
2010-05-27

Steel rod and high strength steel wire having superior ductility and methods of production of same

#319
20100119403
2010-05-13

Austenitic Stainless Steel for Cold Working Suitable For Later Machining

#320
20100108197
2010-05-06

High-strength prestressing strand, method for manufacturing the same, and concrete construction using the same

#321
20100068547
2010-03-18

Free-machining powder metallurgy steel articles and method of making same

#322
20100050728
2010-03-04

High strength, high carbon steel wire and method of producing the same

#323
20090277545
2009-11-12

High-strength wire rod excellent in drawing characteristics and method of manufacturing the same

#324
20090277539
2009-11-12

Steel for Warm Working, Warm Working Method Using the Steel, and Steel Material and Steel Component Obtainable Therefrom

#325
20090269578
2009-10-29

Steel wire rod

#326
20090229711
2009-09-17

High strength wire rod excellent in drawability and method of producing same

#327
20090151824
2009-06-18

High strength wire rod excellent in drawability and method of producing same

#328
20090087336
2009-04-02

High-carbon steel wire rod of high ductility

#329
20090044884
2009-02-19

Treatment Process for Bars

#330
20090025832
2009-01-29

Spring wire rod excelling in fatigue characteristics

#331
20090020195
2009-01-22

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

#332
20090007998
2009-01-08

Wire with excellent suitability for drawing and process for producing the same

#333
20080271824
2008-11-06

Spring Steel Wire

#334
20080236237
2008-10-02

Method of making a metallic thin wire for a medical tool

#335
20080202289
2008-08-28

Method for producing high cleanness steel excellent in fatigue strength or cold workability

#336
20080169050
2008-07-17

METHOD FOR MANUFACTURING PRIME HOT ROLLED HIGH TENSILE STRENGTH DEFORMED BARS

#337
20080156403
2008-07-03

STEEL FOR HIGH-SPEED COLD WORKING AND METHOD FOR PRODUCTION THEREOF, AND PART FORMED BY HIGH-SPEED COLD WORKING AND METHOD FOR PRODUCTION THEREOF

#338
20080052887
2008-03-06

Device and method for molding bistable magnetic alloy wire

#339
20080006350
2008-01-10

Method and Device for the Deformation of Semi-Finished Material in Wire and Rod Form, Close to the Final Dimensions, as Well as a Flat Profile Produced Accordingly

#340
20070277913
2007-12-06

WIRE ROD EXCELLENT IN WIRE-DRAWING WORKABILITY AND METHOD FOR PRODUCING SAME

#341
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

#342
20070163680
2007-07-19

Spring steel excellent in sag resistance and fatigue property

#343
20070125455
2007-06-07

SPRING STEEL WIRE ROD EXCELLENT IN PICKLING PERFORMANCE

#344
20070095439
2007-05-03

Spring steel with excellent resistance to hydrogen embrittlement and steel wire and spring obtained from the steel

#345
20070082223
2007-04-12

Stainless steel wire, spring and method of manufacturing the spring

#346
20060179909
2006-08-17

Method of making a metallic thin wire for a medical tool

#347
20060169367
2006-08-03

High strength spring steel having excellent hydrogen embrittlement resistance

#348
20060163231
2006-07-27

Ferritic stainless steel welding wire and manufacturing method thereof

#349
20060156864
2006-07-20

Method for producing high cleanliness steel excellent in fatigue strength or cold workability

#350
20060034724
2006-02-16

High-nitrogen austenitic stainless steel

#351
20050279425
2005-12-22

Ferritic stainless steel which can be used for ferromagnetic parts

#352
20050161131
2005-07-28

Oil tempered wire for cold forming coil springs

#353
20050145308
2005-07-07

Component for use in oil field technology made of a material which comprises a corrosion-resistant austenitic steel alloy

#354
20050028893
2005-02-10

Use of an austenitic stainless steel

#355
20050022572
2005-02-03

Method of making a metallic thin wire and a medical tool into which the metallic thin wire is incorporated