ClassID:

118979

C21D6/001 - page 2 - CPC Classification

Classification description:

Heat treatment of ferrous alloys containing Ni

Recent Application in this class:
#301
20170327919
2017-11-16

High-strength steel sheet, high-strength hot-dip galvanized steel sheet, high-strength hot-dip aluminum-coated steel sheet, and high-strength electrogalvanized steel sheet, and methods for manufacturing same

#302
20170323712
2017-11-09

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

#303
20170321297
2017-11-09

High-strength cold-rolled steel sheet and method for manufacturing the same

#304
20170314091
2017-11-02

High-strength steel sheet and method for manufacturing same

#305
20170307111
2017-10-26

STEEL STRIP FOR ELECTRIC-RESISTANCE-WELDED STEEL PIPE OR TUBE, ELECTRIC-RESISTANCE-WELDED STEEL PIPE OR TUBE, AND PROCESS FOR PRODUCING STEEL STRIP FOR ELECTRIC-RESISTANCE-WELDED STEEL PIPE OR TUBE

#306
20170306462
2017-10-26

High-strength steel material for oil well and oil country tubular goods

#307
20170306437
2017-10-26

High-strength hot-pressed part and method for manufacturing the same

#308
20170299343
2017-10-19

HIGH HARDNESS, HIGH TOUGHNESS IRON-BASE ALLOYS AND METHODS FOR MAKING SAME

#309
20170292515
2017-10-12

Precipitation hardened martensitic stainless steel and reciprocating pump manufactured therewith

#310
20170283919
2017-10-05

Method of manufacturing a cold-rolled steel plate

#311
20170275716
2017-09-28

Nanocrystalline bainitic steels, shafts, gas turbine engines, and methods of manufacturing nanocrystalline bainitic steels

#312
20170130317
2017-05-11

Concurrent flow of activating gas in low temperature carburization

#313
20170121783
2017-05-04

Cobalt-Lean alnico alloy

#314
20170029918
2017-02-02

Method for manufacturing a strip having a variable thickness and associated strip

#315
20160336030
2016-11-17

Method for AFC shields for multiple sensor magnetic transducers and magnetic transducers having multiple sensors and AFC shields

#316
20160237546
2016-08-18

Metal plate, method of manufacturing metal plate, and method of manufacturing deposition mask by use of metal plate

#317
20160215361
2016-07-28

Steel for resistance to complex corrosion from hydrochloric acid and sulfuric acid, having excellent wear resistance and surface qualities

#318
20160145704
2016-05-26

Hot-stamped part and method of manufacturing the same

#319
20160145701
2016-05-26

STAINLESS STEEL RESISTANT TO DELAYED CRACKING AND A METHOD FOR ITS PRODUCTION

#320
20160144456
2016-05-26

Method of manufacturing tailor welded blanks

#321
20160122844
2016-05-05

HT550 steel plate with ultrahigh toughness and excellent weldability and manufacturing method of the same

#322
20160102378
2016-04-14

GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

#323
20160097111
2016-04-07

Steel plate resistant to zinc-induced crack and manufacturing method therefor

#324
20160083820
2016-03-24

Pearlitic rail and method for manufacturing pearlitic rail

#325
20160060738
2016-03-03

STEEL STRUCTURE FOR HYDROGEN GAS, MEHTOD FOR PRODUCING HYDROGEN STORAGE TANK, AND METHOD FOR PRODUCING HYDROGEN LINE PIPE (AS AMENDED)

#326
20160053355
2016-02-25

Steel material, hydrogen container, method for producing the steel material, and method for producing the hydrogen container

#327
20160053354
2016-02-25

Steel plate for thick-walled steel pipe, method for manufacturing the same, and thick-walled high-strength steel pipe

#328
20160040275
2016-02-11

High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and method for manufacturing the same

#329
20160040274
2016-02-11

Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheet

#330
20160032432
2016-02-04

High-performance low-alloy wear-resistant steel plate and method of manufacturing the same

#331
20160027566
2016-01-28

PRIMARY ULTRAFINE-CRYSTALLINE ALLOY, NANO-CRYSTALLINE, SOFT MAGNETIC ALLOY AND ITS PRODUCTION METHOD, AND MAGNETIC DEVICE FORMED BY NANO-CRYSTALLINE, SOFT MAGNETIC ALLOY

#332
20160017466
2016-01-21

Hot-rolled steel sheet and method for producing the same

#333
20160012947
2016-01-14

Steel material having excellent corrosion resistance and excellent magnetic properties and production method therefor

#334
20160010191
2016-01-14

High-hardness low-alloy wear-resistant steel sheet and method of manufacturing the same

#335
20160010187
2016-01-14

Iron-carbon-manganese austenitic steel sheet

#336
20160010173
2016-01-14

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

#337
20160002762
2016-01-07

High-strength steel sheet and production method therefor and high-strength galvanized steel sheet and production method therefor (as amended)

#338
20160002757
2016-01-07

High strength, high toughness steel alloy

#339
20150376730
2015-12-31

Hot-rolled steel sheet

#340
20150361664
2015-12-17

H-SECTION STEEL AND METHOD OF PRODUCING THE SAME

#341
20150361530
2015-12-17

Cold-rolled steel plate and method of manufacturing the same

#342
20150354035
2015-12-10

Manufacturing method for hot press formed steel member

#343
20150340137
2015-11-26

Grain oriented electrical steel sheet having excellent core loss, and method for manufacturing same

#344
20150322552
2015-11-12

High strength cold rolled steel sheet with low yield ratio and method of manufacturing the same

#345
20150315683
2015-11-05

Hot-rolled steel sheet and method for producing same

#346
20150315682
2015-11-05

High strength steel sheet having excellent cryogenic temperature toughness and low yield ratio properties, and method for manufacturing same

#347
20150299834
2015-10-22

High-strength steel sheet and method for producing the same

#348
20150299819
2015-10-22

Production method for grain-oriented electrical steel sheet

#349
20150292052
2015-10-15

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

#350
20150284861
2015-10-08

Steel sheet provided with a coating offering sacrificial cathodic protection, method for the production of a part using such a sheet, and resulting part

#351
20150284819
2015-10-08

Steel sheet for hot stamping, method of manufacturing the same, and hot stamped steel sheet member

#352
20150275345
2015-10-01

Alloyed hot-dip galvanized steel sheet and method of manufacturing the same

#353
20150255203
2015-09-10

MAGNET CORE, IN PARTICULAR FOR A CURRENT TRANSFORMER, AND METHOD FOR PRODUCING SAME

#354
20150251268
2015-09-10

Electric resistance welded steel pipe or steel tube having excellent HIC resistance and low-temperature toughness in electric resistance welded part, and method for manufacturing the same

#355
20150247227
2015-09-03

Method for manufacturing heavy wall steel pipe

#356
20150247224
2015-09-03

TiC-PARTICLE-REINFORCED HIGH STRENGTH AND LOW DENSITY STEEL PRODUCTS WITH IMPROVED E-MODULUS AND METHOD FOR PRODUCING SAID PRODUCT

#357
20150243419
2015-08-27

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#358
20150240324
2015-08-27

SILICON ALLOYED STEEL FOR HOT ROLLING

#359
20150232977
2015-08-20

Method for producing a galvannealed steel sheet

#360
20150225829
2015-08-13

Hot-dip galvanized steel sheet and manufacturing method of the same

#361
20150218708
2015-08-06

Hot rolled steel sheet and method for manufacturing the same

#362
20150204142
2015-07-23

Rotary drill bits comprising maraging steel and methods of forming such drill bits

#363
20150204071
2015-07-23

H-Section steel

#364
20150203949
2015-07-23

Dual phase steel sheet and manufacturing method thereof

#365
20150203947
2015-07-23

HIGH-STRENGTH GALVANIZED STEEL SHEET WITH EXCELLENT FORMABILITY AND SHAPE FIXABILITY AND METHOD FOR MANUFACTURING THE SAME

#366
20150203945
2015-07-23

Thick-walled, high tensile strength steel with excellent CTOD characteristics of the weld heat-affected zone, and manufacturing method thereof

#367
20150203933
2015-07-23

High-strength electric-resistance-welded steel pipe of excellent long-term softening resistance in intermediate temperature ranges

#368
20150194247
2015-07-09

Method for producing grain-oriented electrical steel sheet

#369
20150187474
2015-07-02

Grain-oriented electrical steel sheet for iron core and method of manufacturing the same

#370
20150184270
2015-07-02

Wear resistant steel plate and manufacturing process therefor

#371
20150176727
2015-06-25

THICK, HIGH-STRENGTH, SOUR-RESISTANT LINE PIPE AND METHOD FOR PRODUCING SAME

#372
20150176110
2015-06-25

Thick-walled high-strength hot rolled steel sheet with excellent low-temperature toughness and method of producing same

#373
20150170813
2015-06-18

Method of producing grain-oriented electrical steel sheet

#374
20150167134
2015-06-18

Reduced cost steel for hydrogen technology with high resistance to hydrogen-induced embrittlement

#375
20150164617
2015-06-18

Endodontic instruments and methods of manufacturing thereof

#376
20150152982
2015-06-04

THICK-WALLED HIGH-STRENGTH SOUR-RESISTANT LINE PIPE AND METHOD FOR PRODUCING SAME

#377
20150152534
2015-06-04

Metal steel production by slab casting

#378
20150132547
2015-05-14

Grain-oriented electrical steel sheet and method for improving iron loss properties thereof

#379
20150086808
2015-03-26

HIGH-STRENGTH COLD-ROLLED STEEL SHEET, HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET, AND HIGH-STRENGTH HOT-DIP GALVANNEALED STEEL SHEET EXCELLENT IN FORMABILITY AND SHAPE FIXABILITY, AND METHODS FOR MANUFACTURING THEM

#380
20150075682
2015-03-19

High tensile strength steel plate having excellent weld heat-affected zone low-temperature toughness and method for producing same

#381
20150059912
2015-03-05

High strength steel plate having low yield ratio excellent in terms of strain ageing resistance, method of manufacturing the same and high strength welded steel pipe made of the same

#382
20150047746
2015-02-19

Method for manufacturing steel sheet for rotor core for IPM motor

#383
20150044503
2015-02-12

Method for manufacturing high strength galvanized steel sheet and high strength galvanized steel sheet

#384
20140213375
2014-07-31

Martensitic steel with mixed hardening

#385
20140212324
2014-07-31

FINE CRYSTALLITE HIGH-FUNCTION METAL ALLOY MEMBER AND METHOD FOR MANUFACTURING SAME

#386
20140158258
2014-06-12

Ni-added steel plate and method of manufacturing the same

#387
20130284319
2013-10-31

High Strength, High Toughness Steel Alloy

#388
20130263796
2013-10-10

High-temperature piping product and method for producing same

#389
20130233454
2013-09-12

High hardness, high toughness iron-base alloys and methods for making same

#390
20130233452
2013-09-12

Method of making non-stainless steels with high strength and high ductility

#391
20130206288
2013-08-15

High-strength galvanized steel sheet having excellent formability and crashworthiness and method for manufacturing the same

#392
20130186520
2013-07-25

Concurrent flow of activating gas in low temperature carburization

#393
20130146366
2013-06-13

Methods of forming earth-boring tools

#394
20130133786
2013-05-30

METHOD FOR MANUFACTURING HIGH STRENGTH STEEL SHEET

#395
20130098514
2013-04-25

Ni-added steel plate and method of manufacturing the same

#396
20130053939
2013-02-28

METHOD FOR MANUFACTURING CYLINDRICAL NITINOL OBJECTS FROM SHEET

#397
20130039804
2013-02-14

ELECTRICAL STEEL WITH HIGH STRENGTH AND LOW ELECTRICAL LOSSES

#398
20120321504
2012-12-20

Air hardenable shock-resistant steel alloys, methods of making the alloys, and articles including the alloys

#399
20120318412
2012-12-20

PRIMARY ULTRAFINE-CRYSTALLINE ALLOY, NANO-CRYSTALLINE, SOFT MAGNETIC ALLOY AND ITS PRODUCTION METHOD, AND MAGNETIC DEVICE FORMED BY NANO-CRYSTALLINE, SOFT MAGNETIC ALLOY

#400
20120282571
2012-11-08

Endodontic instruments and methods of manufacturing thereof

#401
20120199253
2012-08-09

Fe-based shape memory alloy and its production method

#402
20120180912
2012-07-19

High strength and high toughness cast steel material and method for producing the same

#403
20120132326
2012-05-31

Method for producing martensitic steel with mixed hardening

#404
20120003117
2012-01-05

Process for manufacturing steel blanks

#405
20110273054
2011-11-10

ELECTRICAL STEEL, A MOTOR, AND A METHOD FOR MANUFACTURE OF ELECTRICAL STEEL WITH HIGH STRENGTH AND LOW ELECTRICAL LOSSES

#406
20110236721
2011-09-29

Steel compositions, methods of forming the same, and articles formed therefrom

#407
20110126944
2011-06-02

THICK-WALLED HIGH-STRENGTH HOT ROLLED STEEL SHEET WITH EXCELLENT LOW-TEMPERATURE TOUGHNESS AND METHOD FOR PRODUCING SAME

#408
20110126943
2011-06-02

Method for joining and joined connection of two components made of a metal material

#409
20110083325
2011-04-14

Method of Manufacturing a Nickel Titanium Coil Actuator

#410
20110067475
2011-03-24

Process for producing high-alloy seamless tube

#411
20110030857
2011-02-10

High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and method for manufacturing the same

#412
20110024005
2011-02-03

Method for producing two-phase stainless steel pipe

#413
20110017365
2011-01-27

ALLOY AND METHOD FOR PRODUCING ALLOY

#414
20100316523
2010-12-16

Iron-based alloy powder

#415
20100247368
2010-09-30

ALLOY AND A METHOD OF MAKING AN ALLOY

#416
20100193083
2010-08-05

HYDROGEN-RESISTANT HIGH STRENGTH MATERIAL AND METHOD FOR PRODUCING THE SAME

#417
20100170597
2010-07-08

Method of making an embossed metal gasket

#418
20100166594
2010-07-01

Austenitic heat resistant alloy

#419
20100108203
2010-05-06

Ultra-High Strength Stainless Alloy Strip, a Method of Making Same, and a Method of Using Same for Making a Golf Club Head

#420
20100108200
2010-05-06

High yield ratio and high-strength hot-dip galvanized steel sheet excellent in workability and production method thereof

#421
20100102910
2010-04-29

AUSTENITIC IRON-NICKEL-CHROMIUM-COPPER ALLOY

#422
20100047108
2010-02-25

Process for manufacturing steel blanks

#423
20100037994
2010-02-18

METHOD OF PROCESSING MARAGING STEEL

#424
20090308499
2009-12-17

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

#425
20090148337
2009-06-11

Method of manufacturing Ni-based superalloy component for gas turbine using one-step process of hot isostatic pressing and heat treatment and component manufactured thereby

#426
20090120542
2009-05-14

Iron-nickel alloy strip for the manufacture of support grids for the integrated circuits

#427
20090047167
2009-02-19

Iron-nickel alloy

#428
20080308198
2008-12-18

Austenitic stainless steel, manufacturing method for the same, and structure using the same

#429
20080277398
2008-11-13

SEAM-WELDED 36% NI-FE ALLOY STRUCTURES AND METHODS OF MAKING AND USING SAME

#430
20080128052
2008-06-05

Method and process for thermochemical treatment of high-strength, high-toughness alloys

#431
20080105341
2008-05-08

HEAT TREATMENT OF INLAID PRESSURE VESSELS

#432
20080042370
2008-02-21

Metal gasket

#433
20070111023
2007-05-17

Steel compositions, methods of forming the same, and articles formed therefrom

#434
20070089809
2007-04-26

Fe-Ni based permalloy and method of producing the same and cast slab

#435
20070065717
2007-03-22

Material of case for storage cell

#436
20050252577
2005-11-17

Fe-Ni based permalloy and method of producing the same and cast slab

#437
17231362
2023-11-07

Sinter brazing of powdered metal sinter hard matertial component to a wrought steel component

#438
14491637
2016-11-22

High-strength, high-toughness steel articles for ballistic and cryogenic applications, and method of making thereof