ClassID:

118919

C21D1/18 - page 2 - CPC Classification

Classification description:

General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering Hardening ; Quenching with or without subsequent tempering

Recent Application in this class:
#301
20230349020
2023-11-02

Steel sheet, member, and methods for manufacturing the same

#302
20230347183
2023-11-02

PROBE FOR ULTRASONIC TREATMENT TOOL, METHOD FOR PRODUCING SAME, AND ULTRASONIC TREATMENT TOOL

#303
20230332658
2023-10-19

System and method of making an enhanced brake rotor with improved wear resistance

#304
20230323499
2023-10-12

HIGHLY CORROSION-RESISTANT STAINLESS STEEL MEMBER AND METHOD FOR MANUFACTURING SAME, HEAT TREATMENT METHOD FOR STAINLESS STEEL MEMBER, AND ROLLING BEARING AND METHOD FOR MANUFACTURING SAME

#305
20230323493
2023-10-12

FORGED PART OF STEEL AND A METHOD OF MANUFACTURING THEREOF

#306
20230311452
2023-10-05

Cladding and method for manufacturing the same

#307
20230304116
2023-09-28

Thermal Treatment of Component

#308
20230290551
2023-09-14

Soft Magnetic Iron Sheet, Method for Producing Soft Magnetic Iron Sheet, and, Iron Core and Dynamo-Electric Machine, Each Using Soft Magnetic Iron Sheet

#309
20230287533
2023-09-14

WORKPIECE HOLDING DEVICE

#310
20230287532
2023-09-14

WORKPIECE HOLDING DEVICE

#311
20230279530
2023-09-07

PARAMAGNETIC HARD STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME

#312
20230265535
2023-08-24

Steel for a mold and mold

#313
20230250500
2023-08-10

Device and Method for Water Spray Quenching

#314
20230243025
2023-08-03

Fuel system components

#315
20230243014
2023-08-03

Galvanized steel sheet, member, and method for producing them

#316
20230235435
2023-07-27

STEEL FOR MINING CHAIN AND MANUFACTURING METHOD THEREOF

#317
20230235425
2023-07-27

High strength steel product and method of manufacturing the same

#318
20230227930
2023-07-20

ULTRAHIGH-STRENGTH DUAL-PHASE STEEL AND MANUFACTURING METHOD THEREFOR

#319
20230221231
2023-07-13

HARDNESS PREDICTION METHOD OF HEAT HARDENED RAIL, THERMAL TREATMENT METHOD, HARDNESS PREDICTION DEVICE, THERMAL TREATMENT DEVICE, MANUFACTURING METHOD, MANUFACTURING FACILITIES, AND GENERATING METHOD OF HARDNESS PREDICTION MODEL

#320
20230220512
2023-07-13

INDUCTION HARDENING SYSTEM AND INDUCTION HARDENING METHOD

#321
20230220507
2023-07-13

Systems and methods for automatic spray quenching

#322
20230220506
2023-07-13

INDUCTION HARDENING SYSTEM

#323
20230220505
2023-07-13

Method of induction-hardening a rolling-element bearing ring

#324
20230219115
2023-07-13

Method for forming coating film on constant velocity universal joint

#325
20230212705
2023-07-06

STAINLESS STEEL SHEET AND METHOD OF MANUFACTURING SAME, EDGED TOOL, AND CUTLERY

#326
20230212425
2023-07-06

Steel Protective Coating Compositions, Methods of Their Manufacture, and Methods of Their Use

#327
20230203630
2023-06-29

A WEAR-RESISTANT STEEL WITH EXCELLENT SURFACE QUALITY AND A PRODUCTION METHOD THEREOF

#328
20230203614
2023-06-29

ABRASION-RESISTANT STEEL PLATE AND METHOD OF PRODUCING ABRASION-RESISTANT STEEL PLATE

#329
20230193443
2023-06-22

Plated steel material

#330
20230183845
2023-06-15

ABRASION-RESISTANT STEEL PLATE AND METHOD OF PRODUCING ABRASION-RESISTANT STEEL PLATE

#331
20230183832
2023-06-15

METHOD FOR PRODUCING HARDENED STEEL COMPONENTS WITH A CONDITIONED ZINC ALLOY ANTI-CORROSIVE LAYER

#332
20230183831
2023-06-15

Multi-thickness welded vehicle structure

#333
20230175091
2023-06-08

ABRASION-RESISTANT STEEL PLATE AND METHOD OF PRODUCING ABRASION-RESISTANT STEEL PLATE

#334
20230175089
2023-06-08

Procedure for hardening slides of a perforating press and the slides obtained

#335
20230167522
2023-06-01

High Strength, High-Temperature Corrosion Resistant Martensitic Stainless Steel and Manufacturing Method Therefor

#336
20230158559
2023-05-25

Method of manufacturing hot press-formed member having excellent productivity, weldability and formability

#337
20230129247
2023-04-27

HIGH-BORON CAST STEEL MATERIAL RESISTING HIGH-TEMPERATURE MOLTEN ALUMINUM CORROSION-ABRASION AND PREPARATION METHOD THEREOF

#338
20230108470
2023-04-06

LOW THERMAL EXPANSION CAST STEEL AND METHOD OF PRODUCTION OF SAME

#339
20230107193
2023-04-06

HIGHLY ANTICORROSIVE MARTENSITIC STAINLESS STEEL, AND MANUFACTURING METHOD THEREFOR

#340
20230103684
2023-04-06

NICKEL-FREE LPG MARINE STEEL PLATE AND MANUFACTURING METHOD THEREFOR

#341
20230099300
2023-03-30

STEEL FOR HOT WORKING DIE, DIE FOR HOT WORKING, AND MANUFACTURING METHOD FOR SAME

#342
20230093813
2023-03-30

Heat treatment method for tubular shaft for drive shaft having ball spline structure and tubular shaft manufactured thereby

#343
20230080412
2023-03-16

Method for Inductive Surface Layer Hardening

#344
20230072974
2023-03-09

METHOD OF MANUFACTURING CAST IRON COMPONENTS FOR INDUSTRIAL EQUIPMENT

#345
20230072654
2023-03-09

Ultrahigh-strength maraging stainless steel with multiphase strengthening and preparation method thereof

#346
20230071728
2023-03-09

FORGED GRINDING BALLS FOR SEMI-AUTOGENOUS GRINDER

#347
20230063455
2023-03-02

3D PRINTABLE HARD FERROUS METALLIC ALLOYS FOR POWDER BED FUSION

#348
20230027056
2023-01-26

Steel wire rod having excellent spheroidizing heat treatment properties and method of manufacturing same

#349
20230026647
2023-01-26

PROCESS AND PRODUCTION LINE FOR FORMING OBJECTS

#350
20230001466
2023-01-05

HOT-STAMPING FORMED BODY

#351
20220411891
2022-12-29

ROLLING BEARING

#352
20220389551
2022-12-08

SLOW-TRANSFORMING STEEL ALLOY, METHOD FOR PRODUCING THE SLOW-TRANSFORMING STEEL ALLOY AND HYDROGEN STORE HAVING A COMPONENT MADE FROM SAID SLOW-TRANSFORMING STEEL ALLOY

#353
20220380861
2022-12-01

Press hardening method

#354
20220372590
2022-11-24

STEEL SHEET, MEMBER, AND METHODS FOR PRODUCING THE SAME

#355
20220371662
2022-11-24

Pillar having variable strength

#356
20220356540
2022-11-10

PRESS HARDENING STEEL WITH COMBINATION OF SUPERIOR CORROSION RESISTANCE AND ULTRA-HIGH STRENGTH

#357
20220341321
2022-10-27

Wear-resistant armored cutting tool

#358
20220333221
2022-10-20

COLD-ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME

#359
20220298598
2022-09-22

METHOD FOR PRODUCING A HIGH STRENGTH STEEL SHEET HAVING IMPROVED STRENGTH AND FORMABILITY AND OBTAINED SHEET

#360
20220298597
2022-09-22

METHOD FOR PRODUCING A STEEL COMPONENT PROVIDED WITH A COATING, AND STEEL COMPONENT

#361
20220298594
2022-09-22

STEEL SHEET, MEMBER, AND METHODS FOR PRODUCING THE SAME

#362
20220290265
2022-09-15

RESISTANCE SPOT WELDED JOINT AND A PROCESS FOR PRODUCING A RESISTANCE SPOT WELDED JOINT

#363
20220282362
2022-09-08

Nickel-containing steel for low temperature

#364
20220282348
2022-09-08

METHOD FOR MANUFACTURING A HIGH STRENGTH STEEL PRODUCT AND STEEL PRODUCT THEREBY OBTAINED

#365
20220275481
2022-09-01

HOT STAMPED STEEL

#366
20220251673
2022-08-11

Method of heat treating a high strength steel and a product obtained therefrom

#367
20220250266
2022-08-11

Razor blade and composition for a razor blade

#368
20220235429
2022-07-28

COLD-ROLLING STRIP STEEL WITH STRENGTH AND HARDNESS THEREOF VARYING IN THICKNESS DIRECTION AND MANUFACTURING METHOD THEREFOR

#369
20220228234
2022-07-21

METHOD FOR PRODUCING LIGHT GAUGE STEEL

#370
20220213941
2022-07-07

Friction brake body for a friction brake of a motor vehicle, method for producing a friction brake

#371
20220213569
2022-07-07

ULTRA-HIGH STRENGTH STEEL AND FORMING METHODS AND APPLICATIONS OF SAME

#372
20220212289
2022-07-07

Grain-oriented electrical steel sheet and magnetic domain refinement method therefor

#373
20220205059
2022-06-30

COLD ROLLED STEEL SHEET WITH ULTRA-HIGH STRENGTH, AND MANUFACTURING METHOD THEREFOR

#374
20220195571
2022-06-23

STEEL, STEEL BAR AND MANUFACTURING METHOD THEREOF

#375
20220195557
2022-06-23

Hot-stamping formed body

#376
20220195551
2022-06-23

High strength steel tube and method of manufacturing a high strength steel tube

#377
20220193843
2022-06-23

Material processing system and method for utilizing the same

#378
20220162966
2022-05-26

FASTENING MEANS FOR A TURBINE- OR VALVE HOUSING

#379
20220161857
2022-05-26

Frame member and vehicle body structure

#380
20220145414
2022-05-12

Method for Producing Conventionally Hot-Rolled Profiled Strip Products

#381
20220135156
2022-05-05

Track pad with uniform hardened region

#382
20220127694
2022-04-28

METHOD OF COOLING CONTROL FOR STEEL PLATE, COOLING CONTROL DEVICE, AND METHOD OF MANUFACTURING STEEL PLATE

#383
20220106660
2022-04-07

Method for manufacturing a trunnion for a constant velocity joint, a trunnion manufactured thereby, and a heat treatment device of the trunnion

#384
20220106653
2022-04-07

QUENCHING METHOD

#385
20220090243
2022-03-24

Hot-work die steel with high toughness at low temperatures and high strength at high temperatures and high hardenability and preparation method thereof

#386
20220090222
2022-03-24

Drill tool and method for producing same

#387
20220088654
2022-03-24

Combined casting and rolling installation and method for operating the combined casting and rolling installation

#388
20220074015
2022-03-10

Steel sheet and manufacturing method thereof

#389
20220074014
2022-03-10

High strength steel with improved mechanical properties

#390
20220074009
2022-03-10

Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same

#391
20220074008
2022-03-10

METHOD AND SYSTEM OF MANUFACTURING COILED TUBING

#392
20220056546
2022-02-24

Manufacturing method of cage and the cage manufactured by the method

#393
20220049324
2022-02-17

METHOD FOR MANUFACTURING STEEL SHEET FOR COLD PRESS AND METHOD FOR MANUFACTURING PRESS COMPONENT

#394
20220048089
2022-02-17

Systems and methods for improving backward flow forming of shafts

#395
20220042127
2022-02-10

Stud-weldable rebar

#396
20220033923
2022-02-03

HEAT TREATMENT METHOD

#397
20220025491
2022-01-27

ULTRA-THICK STEEL EXCELLENT IN BRITTLE CRACK ARRESTABILITY AND MANUFACTURING METHOD THEREFOR

#398
20220025475
2022-01-27

IMPACT AND WEAR RESISTANT COMPONENT, AND METHOD FOR PRODUCING THE SAME

#399
20220018394
2022-01-20

Bearing assembly

#400
20220017985
2022-01-20

COLD ROLLED AND HEAT-TREATED STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

#401
20220009569
2022-01-13

Scallop-resistant track link and method of making same

#402
20220008978
2022-01-13

Method of manufacturing hot press-formed member having excellent productivity, weldability and formability

#403
20220000091
2022-01-06

HORSESHOE NAIL AND METHOD FOR MANUFACTURING SUCH HORSESHOE NAIL

#404
20210404029
2021-12-30

HEAT TREATMENT INSTALLATION FOR PRODUCING SHAPED COMPONENTS

#405
20210404027
2021-12-30

Machine component

#406
20210402452
2021-12-30

Method and apparatus for forming varied strength zones of a vehicle component

#407
20210388457
2021-12-16

Steel plate for pressure vessel with excellent cryogenic toughness and excellent ductility and manufacturing method thereof

#408
20210387260
2021-12-16

Method for finishing a workpiece made by additive manufacturing

#409
20210371944
2021-12-02

HIGH-CARBON BEARING STEEL AND PREPARATION METHOD THEREOF

#410
20210348251
2021-11-11

Cooling device and production method for rail

#411
20210340648
2021-11-04

ALUMINIUM ALLOY, SEMI-FINISHED PRODUCT, CAN, METHOD OF PRODUCING A SLUG, METHOD OF PRODUCING A CAN, AND USE OF AN ALUMINIUM ALLOY

#412
20210331244
2021-10-28

Process for manufacturing an aluminum alloy part

#413
20210317544
2021-10-14

Method of producing ultrahigh-strength steel sheets and steel sheets therefor

#414
20210310106
2021-10-07

Liner alloy, steel element and method

#415
20210310095
2021-10-07

HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#416
20210301362
2021-09-30

3D printable hard ferrous metallic alloys for powder bed fusion

#417
20210292868
2021-09-23

Martensitic stainless steel strip and method for producing same

#418
20210285067
2021-09-16

MICROTREATMENT OF IRON-BASED ALLOY, APPARATUS AND METHOD THEREFOR AND ARTICLES RESULTING THEREFROM

#419
20210260862
2021-08-26

Low-density clad steel sheet having excellent formability and fatigue property

#420
20210246525
2021-08-12

Furnace for partially heating metal components

#421
20210238705
2021-08-05

Martensitic stainless steel material

#422
20210238701
2021-08-05

Method for heat treating a horological component

#423
20210230716
2021-07-29

PROCESS FOR MANUFACTURING AN ALUMINIUM ALLOY PART

#424
20210222267
2021-07-22

Method for producing a ultra high strength coated or not coated steel sheet and obtained sheet

#425
20210222265
2021-07-22

PRESS HARDENING STEEL WITH HIGH OXIDATION RESISTANCE

#426
20210222264
2021-07-22

Cooling method for workpiece

#427
20210214825
2021-07-15

AUSTENITIC STAINLESS ALLOY WITH SUPERIOR CORROSION RESISTANCE

#428
20210214824
2021-07-15

Alloy for Mud Motor Shaft Applications with High Strength, High Impact Toughness and Excellent Fatigue Life

#429
20210214817
2021-07-15

STEEL ALLOY AND METHOD FOR HEAT TREATING A STEEL ALLOY ARTICLE

#430
20210214816
2021-07-15

METHOD FOR FABRICATING STEEL SHEET FOR PRESS HARDENING, AND PARTS OBTAINED BY THIS METHOD

#431
20210214814
2021-07-15

Method and system for heat treating a workpiece

#432
20210207237
2021-07-08

Cu-CONTAINING LOW ALLOY STEEL EXCELLENT IN TOUGHNESS OF WELD HEAT AFFECTED ZONE, AND METHOD FOR MANUFACTURING THE SAME

#433
20210207233
2021-07-08

Method for producing a highly heat-resistant weapon barrel provided with a twist profile

#434
20210207232
2021-07-08

Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same

#435
20210198764
2021-07-01

Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same

#436
20210189531
2021-06-24

HIGH PERFORMANCE PRESS-HARDENED STEEL

#437
20210189516
2021-06-24

Tube product, hollow carrier of perforating gun and method of manufacturing the tube product

#438
20210188209
2021-06-24

GAS GENERATOR PIPE FOR AIRBAG MODULE, AND METHOD FOR MANUFACTURING THE GAS GENERATOR PIPE

#439
20210164761
2021-06-03

SAFETY STEEL OR WEAR-RESISTANT STEEL, AND USE

#440
20210164079
2021-06-03

Wear-resistant steel having excellent hardness and impact toughness, and method for producing same

#441
20210156006
2021-05-27

Method for processing highly alloyed aluminum alloy sheet with high rolling yield

#442
20210155997
2021-05-27

Method for producing a steel component provided with a coating, and steel component

#443
20210147956
2021-05-20

Method for producing steel plate member

#444
20210130941
2021-05-06

High-strength high-toughness low-temperature thick-plate structural steel and heat treatment method thereof

#445
20210130919
2021-05-06

Hot-pressed steel sheet member and method for producing same

#446
20210115528
2021-04-22

High strength and high formability steel sheet and manufacturing method

#447
20210108279
2021-04-15

Ultrahigh-strength ultrahigh-toughness and low-density dual-phase lamellar steel plate and preparation method therefor

#448
20210087645
2021-03-25

Crankshaft and method of manufacture

#449
20210079490
2021-03-18

Process for local hardening

#450
20210071276
2021-03-11

METHOD FOR QUENCH SEASONING OF IRON/STEEL COOKWARE

#451
20210047714
2021-02-18

Steel material suitable for use in sour environment

#452
20210047703
2021-02-18

Method of thermomechanical treatment of semi-finished products of high-alloy steel

#453
20210040578
2021-02-11

HIGH DUCTILITY ZINC-COATED STEEL SHEET PRODUCTS

#454
20210039355
2021-02-11

Hot-stamped body

#455
20210039354
2021-02-11

Hot-stamped body

#456
20210025452
2021-01-28

BEARING PART

#457
20210010118
2021-01-14

Hot stamped article

#458
20210010114
2021-01-14

Low-temperature steel material having excellent toughness in welding portion thereof and manufacturing method therefor

#459
20210008610
2021-01-14

Hot press processing method and processing device

#460
20210002746
2021-01-07

Press hardened steel with surface layered homogenous oxide after hot forming

#461
20200407833
2020-12-31

Zinc-plated steel sheet for hot stamping and production method therefor

#462
20200392599
2020-12-17

METHOD FOR HEATING STEEL PLATE AND METHOD FOR MANUFACTURING HOT-PRESSED PRODUCT

#463
20200391275
2020-12-17

Process of manufacturing of segments for carbon thrust bearing

#464
20200370141
2020-11-26

Cold rolled and annealed steel sheet and method of manufacturing the same

#465
20200370140
2020-11-26

Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing same

#466
20200362427
2020-11-19

Method for cooling a metallic item and cooling bar

#467
20200354806
2020-11-12

Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing same

#468
20200353991
2020-11-12

Center pillar manufacturing method

#469
20200353527
2020-11-12

Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing same

#470
20200348081
2020-11-05

Device for supporting and guiding a flow for metallic workpieces, and method for thermochemical treatment

#471
20200347487
2020-11-05

Cryogenic steel plate and method for manufacturing same

#472
20200347477
2020-11-05

Method for producing a high strength coated steel sheet having improved strength, ductility and formability

#473
20200332402
2020-10-22

Weldable component of structural steel and method of manufacture

#474
20200318686
2020-10-08

METHOD FOR MANUFACTURING A BEARING WASHER

#475
20200308678
2020-10-01

Nickel-containing steel for low temperature

#476
20200300348
2020-09-24

DIFFERENTIAL OVERMOLDED RING GEAR

#477
20200299793
2020-09-24

POST-FABRICATION FORGING TREATMENT

#478
20200291999
2020-09-17

METHOD OF MANUFACTURING ROLLING BEARING RING

#479
20200291495
2020-09-17

Use of a Q and P steel for producing a shaped component for high-wear applications

#480
20200283865
2020-09-10

Method for preventing cracking along the surface at the inner hole of a hollow shaft during horizontal water quenching

#481
20200283864
2020-09-10

Stud-weldable rebar

#482
20200269632
2020-08-27

Railway wheel

#483
20200263575
2020-08-20

High performance iron-based alloys for engine valvetrain applications and methods of making and use thereof

#484
20200246877
2020-08-06

METHOD FOR PRODUCING HIGH-SPEED TOOL STEEL MATERIAL, METHOD FOR PRODUCING HIGH-SPEED TOOL STEEL PRODUCT, AND HIGH-SPEED TOOL STEEL PRODUCT

#485
20200232061
2020-07-23

Method and device for heat treatment of a metal component

#486
20200232053
2020-07-23

Temperature control station for partially thermally treating a metal component

#487
20200224287
2020-07-16

Method for producing a high strength coated steel sheet having improved strength, formability and obtained sheet

#488
20200216922
2020-07-09

METHODS TO AVOID OVER-DEVELOPED ALUMINIZED COATINGS DURING HOT STAMPING LINE STOPPAGES

#489
20200215595
2020-07-09

Method for monitoring quality of hot stamped components

#490
20200206850
2020-07-02

Heat treatment method and assembly method for fitted component

#491
20200199704
2020-06-25

METHOD FOR HEAT TREATING WITH A GRADUAL TEMPERATURE PROFILE

#492
20200197766
2020-06-25

Golf putter head and method for manufacturing the same, and golf putter

#493
20200181724
2020-06-11

Hot-work mold steel for die casting and method of manufacturing the same

#494
20200173008
2020-06-04

Method and arrangement for processing articles

#495
20200172991
2020-06-04

Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing same

#496
20200172990
2020-06-04

Martensite-based stainless steel component and method for manufacturing the same

#497
20200170813
2020-06-04

Vascular prosthetic assemblies

#498
20200165711
2020-05-28

STEEL

#499
20200165694
2020-05-28

HIGH ELONGATION PRESS HARDENED STEEL AND MANUFACTURE OF THE SAME

#500
20200157649
2020-05-21

Hot rolled steel sheet having excellent strength and elongation

#501
20200149125
2020-05-14

Producing a partially hardened formed part

#502
20200131596
2020-04-30

Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing same

#503
20200109459
2020-04-09

VEHICLE UNDERBODY PART MATERIAL, METHOD FOR MANUFACTURING VEHICLE UNDERBODY PART MATERIAL, AND METHOD FOR MANUFACTURING VEHICLE UNDERBODY PART

#504
20200102622
2020-04-02

Tool steel having strength and high impact toughness

#505
20200095660
2020-03-26

Steel plate for hot forming and manufacturing method of hot press formed steel member

#506
20200087773
2020-03-19

Metal carburization process to produce a uniform, concentrated solid solution of interstitial carbon workpiece and articles made from same

#507
20200087752
2020-03-19

Austenitic stainless steel having excellent processability and surface characteristics, and manufacturing method therefor

#508
20200080179
2020-03-12

High-strength steel having excellent fracture initiation resistance and fracture propagation arrestability at low temperature and method of manufacturing the same

#509
20200071782
2020-03-05

Ultra-high strength maraging stainless steel with salt-water corrosion resistance

#510
20200063247
2020-02-27

Quench and temper corrosion resistant steel alloy and method for producing the alloy

#511
20200063235
2020-02-27

Thermal cycling for austenite grain refinement

#512
20200062322
2020-02-27

Scallop-resistant track link and method of making same

#513
20200056254
2020-02-20

Method for manufacturing thin-specification high-Ti wear-resistant steel NM450

#514
20200048727
2020-02-13

Crankshaft and method of manufacture

#515
20200040436
2020-02-06

Steel material, oil-well steel pipe, and method for producing steel material

#516
20200040415
2020-02-06

Temperature control station for partially thermally treating a metal component

#517
20200032367
2020-01-30

Cold rolled steel wire, method and reinforcement of flexible conduits

#518
20200032360
2020-01-30

HOT STAMPED BODY

#519
20200024707
2020-01-23

Thin gauge wear-resistant steel sheet and method of manufacturing the same

#520
20200023436
2020-01-23

Method for producing three-dimensional molded object

#521
20200023420
2020-01-23

METHOD FOR PRODUCING A STRIP STEEL KNIFE, AND STRIP STEEL KNIFE FOR TOOLS

#522
20200009629
2020-01-09

Method of manufacturing a coiled tubing string

#523
20190390727
2019-12-26

Spring and manufacture method thereof

#524
20190390295
2019-12-26

Hot pressed part and method of manufacturing same

#525
20190390291
2019-12-26

ANNEALING PROCESSES FOR MAKING HIGH STRENGTH STEEL PRODUCTS

#526
20190382864
2019-12-19

TEMPERED MARTENSITIC STEEL HAVING LOW YIELD RATIO AND EXCELLLENT UNIFORM ELONGATION, AND MANUFACTURING METHOD THEREFOR

#527
20190368014
2019-12-05

QUENCH HARDENED STEEL

#528
20190366407
2019-12-05

METHOD OF PRODUCING A MOTOR VEHICLE COMPONENT FROM A HIGH-STRENGTH STEEL ALLOY HAVING DUCTILE PROPERTIES AND MOTOR VEHICLE COMPONENT

#529
20190360066
2019-11-28

CONTROL METHOD FOR ROLLER QUENCHING PROCESS OF HEAVY-PIECE WEIGHT AND LARGE-SECTION ULTRA-HEAVY PLATE

#530
20190352737
2019-11-21

Systems and methods for producing hot induction pipe bends with homogeneous metallurgical and mechanical properties

#531
20190352734
2019-11-21

Method for producing a sheet metal component

#532
20190352729
2019-11-21

INDUCTION-HARDENING SYSTEM FOR INDUCTION HARDENING OF A LARGE ROLLING-ELEMENT BEARING RING

#533
20190338386
2019-11-07

Method of making high strength steel crane rail

#534
20190338381
2019-11-07

Method for manufacturing quenched molding, method for manufacturing hot press steel material, and hot press steel material

#535
20190329392
2019-10-31

BUSHING FOR HYDRAULIC BREAKER AND METHOD FOR PRODUCING THE SAME

#536
20190323109
2019-10-24

High strength, high toughness, heat-cracking resistant bainite steel wheel for rail transportation and manufacturing method thereof

#537
20190321920
2019-10-24

Grain-oriented electrical steel sheet and magnetic domain refinement method therefor

#538
20190320508
2019-10-17

MICROWAVE HEATING OF BORON STEEL BLANKS PRIOR TO THE HOT-STAMPING PROCESS

#539
20190316220
2019-10-17

Bearing bushing for track, and method for producing the same

#540
20190314927
2019-10-17

Friction stir spot welding method and friction stir spot welding device

#541
20190309386
2019-10-10

Heat treatment method and heat treatment device

#542
20190300977
2019-10-03

METHOD OF STEEL PROCESSING COMBINING THERMAL AND MECHANICAL SURFACE TREATMENT TO CONTROL METALLURGICAL PHASE AND MECHANICAL RESPONSE

#543
20190300976
2019-10-03

Hot-work mold steel for die casting and method of manufacturing the same

#544
20190292625
2019-09-26

METHOD FOR THE MANUFACTURE OF HARD SURFACE LAYER ON THE AUTOMATIC FREIGHT CAR COUPLER PART

#545
20190292618
2019-09-26

High-strength seamless stainless steel pipe for oil country tubular goods, and method for producing the same

#546
20190291167
2019-09-26

Systems and methods for improving backward flow forming of shafts

#547
20190284654
2019-09-19

HIGH-HARDENABILITY, MEDIUM-CARBON, LOW-ALLOY ROUND STEEL FOR FASTENERS AND THE MANUFACTURING METHOD THEREOF

#548
20190264300
2019-08-29

Method for producing a ultra high strength coated or not coated steel sheet and obtained sheet

#549
20190264299
2019-08-29

Method for producing an ultra high strength coated or not coated steel sheet and obtained sheet

#550
20190262944
2019-08-29

3D printable hard ferrous metallic alloys for powder bed fusion

#551
20190256939
2019-08-22

Bearing steel and manufacturing method therefor

#552
20190256937
2019-08-22

Apparatus for microtreatment of iron-based alloy

#553
20190255665
2019-08-22

HEAT TREATMENT METHOD AND ASSEMBLY METHOD FOR FITTED COMPONENT

#554
20190247906
2019-08-15

HOT PRESS FORMING APPARATUS AND HOT PRESS FORMING METHOD

#555
20190241988
2019-08-08

HOT-PRESSING STEEL PLATE, PRESS-MOLDED ARTICLE, AND METHOD FOR MANUFACTURING PRESS-MOLDED ARTICLE

#556
20190241987
2019-08-08

Hybrid quench process for hot stamping of steel parts

#557
20190234144
2019-08-01

7000 series aluminum alloy ladder, multipurpose ladder and method

#558
20190233915
2019-08-01

QUENCHED STEEL SHEET HAVING EXCELLENT STRENGTH AND DUCTILITY AND METHOD FOR MANUFACTURING SAME

#559
20190226064
2019-07-25

MICRO-ALLOYED MANGANESE-BORON STEEL

#560
20190226041
2019-07-25

Method for the in-line manufacturing of steel tube

#561
20190226038
2019-07-25

Cooling device and method for cooling elements passing through said device

#562
20190226037
2019-07-25

Method for producing steel member

#563
20190218648
2019-07-18

Alloy for Mud Motor Shaft Applications with High Strength, High Impact Toughness and Excellent Fatigue Life

#564
20190218637
2019-07-18

MANUFACTURING METHOD OF STEEL COMPONENT AND STEEL COMPONENT

#565
20190218635
2019-07-18

WELDING METHOD AND WELD STRUCTURE

#566
20190217902
2019-07-18

Vehicle underbody structure comprising a reinforcement element between a longitudinal beam and a lowerside sill part

#567
20190211633
2019-07-11

CORROSION RESISTANT SUCKER ROD

#568
20190211630
2019-07-11

CORROSION RESISTANT SUCKER ROD

#569
20190211418
2019-07-11

Blade material

#570
20190211410
2019-07-11

Method for producing a steel material, and steel material

#571
20190203331
2019-07-04

Method for manufacturing ferritic stainless steel product

#572
20190203317
2019-07-04

Steel sheet and method for producing the same

#573
20190203315
2019-07-04

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

#574
20190201972
2019-07-04

Process for making a component of a turbomachine, a component obtainable thereby and turbomachine comprising the same

#575
20190193134
2019-06-27

Centering and selective heating

#576
20190186036
2019-06-20

Anti-coking nanomaterial based on stainless steel surface, and preparation method therefor

#577
20190185981
2019-06-20

Temporary corrosion protection layer

#578
20190185958
2019-06-20

HIGH-STRENGTH STEEL PLATE AND MANUFACTURING METHOD THEREOF

#579
20190185953
2019-06-20

1900 MPa grade press hardening steel by thin slab casting and directly rolling and method for producing the same

#580
20190185952
2019-06-20

1500 MPa grade press hardening steel by thin slab casting and direct rolling and method for producing the same

#581
20190177811
2019-06-13

1500 MPa grade press hardening steel by medium thin slab casting and direct rolling and method for producing the same

#582
20190177809
2019-06-13

High strength and high toughness stainless steel and processing method thereof

#583
20190169707
2019-06-06

Hot-pressed steel sheet member, method of manufacturing the same, and steel sheet for hot pressing

#584
20190169706
2019-06-06

Sucker rod steel and manufacturing method therefor

#585
20190161821
2019-05-30

STEEL SHEET FOR HOT PRESSING, AND METHOD OF MANUFACTURING THE HOT-PRESSED STEEL SHEET MEMBER

#586
20190161818
2019-05-30

COLLET CHUCK FOR CLAMPING A DENTAL TOOL AND METHOD FOR MANUFACTURING SUCH A COLLET CHUCK

#587
20190160603
2019-05-30

Chromium free and low-chromium wear resistant alloys

#588
20190160521
2019-05-30

Manufacturing method of a cutting member

#589
20190151917
2019-05-23

Method of manufacturing piercer plug

#590
20190144979
2019-05-16

Low cost lean production bainitic steel wheel for rail transit, and manufacturing method therefor

#591
20190134948
2019-05-09

Protective composite steel plate and method for manufacturing same

#592
20190134947
2019-05-09

Protective steel plate with excellent cold-bend processing performance and method for manufacturing same

#593
20190127815
2019-05-02

Precipitation hardening steel and its manufacture

#594
20190127814
2019-05-02

Precipitation hardening stainless steel and its manufacture

#595
20190119767
2019-04-25

Process of manufacturing a steel alloy for railway components

#596
20190112686
2019-04-18

Manufacturing method of mechanical component using martensitic stainless steel, rotating device, rolling bearing and rolling bearing unit

#597
20190112680
2019-04-18

METHOD OF TREATING A STEEL

#598
20190107152
2019-04-11

Bearing ring for roller bearing, method for manufacturing the same, and roller bearing

#599
20190106762
2019-04-11

Rail manufacturing method and manufacturing equipment

#600
20190101176
2019-04-04

Steel wire for spring