ClassID:

118919

C21D1/18 - page 4 - 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:
#901
20160160322
2016-06-09

Steel component provided with a metallic coating giving protection against corrosion

#902
20160153525
2016-06-02

Sliding member, chain link, and chain comprising said link

#903
20160151902
2016-06-02

Method of manufacturing hydraulic hammer using male and female gauges

#904
20160151822
2016-06-02

Method of manufacturing hot-pressed member

#905
20160146281
2016-05-26

Changes enabling the elimination of processes for a torsion bar

#906
20160145724
2016-05-26

Bearing steel having improved fatigue durability and method of manufacturing the same

#907
20160138717
2016-05-19

Gasket

#908
20160138122
2016-05-19

PRECIPITATION HARDENING STEEL WITH IMPROVED TOUGHNESS AND METHOD

#909
20160122841
2016-05-05

Soft nitrided induction hardened steel part

#910
20160116227
2016-04-28

Heat receiving tile formed of carbon fiber composite material and method of manufacturing the same

#911
20160108485
2016-04-21

Method and apparatus for hardening a component or semi-finished product

#912
20160097110
2016-04-07

METHOD FOR MANUFACTURING RARE-EARTH MAGNETS

#913
20160090642
2016-03-31

METHOD AND SYSTEM FOR VICTOR NOISE REDUCTION

#914
20160083826
2016-03-24

Method for manufacturing copper alloy and copper alloy

#915
20160076117
2016-03-17

Welding method and weld structure

#916
20160076116
2016-03-17

Apparatus for the press hardening of components

#917
20160068921
2016-03-10

Method and tool for hardening a hollow profile of a steel workpiece

#918
20160067766
2016-03-10

3D PRINTED INVESTMENT MOLDS FOR CASTING OF AMORPHOUS ALLOYS AND METHOD OF USING SAME

#919
20160067760
2016-03-10

SURFACE LAYER GRAIN REFINING HOT-SHEARING METHOD AND WORKPIECE OBTAINED BY SURFACE LAYER GRAIN REFINING HOT-SHEARING

#920
20160060725
2016-03-03

Induction Heat-Treating Apparatus and Process

#921
20160047010
2016-02-18

Hot-forming apparatus and method for producing press-hardened shaped components from steel sheet

#922
20160046328
2016-02-18

Structural component

#923
20160040263
2016-02-11

Rail manufacturing method and manufacturing equipment

#924
20160039180
2016-02-11

Press-formed article and method for manufacturing same

#925
20160030817
2016-02-04

Metal shaft having longitudinally varying hardness, golf shaft using the metal shaft, golf club using the metal golf shaft, method of manufacturing the metal shaft, and tempering apparatus

#926
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

#927
20160024622
2016-01-28

Process for producing a component made of heat-treated cast iron

#928
20160024610
2016-01-28

High strength steel sheet excellent in delayed fracture resistance and low temperature toughness, and high strength member manufactured using the same

#929
20160024605
2016-01-28

Method for producing a profile and a manufacturing system for producing a profile

#930
20160017455
2016-01-21

Method of making a dual hardness steel article

#931
20160017454
2016-01-21

Hardfacing process and parts produced thereby

#932
20160017450
2016-01-21

Localized hardening of metallic surfaces

#933
20160010189
2016-01-14

Die steel and method for producing same

#934
20160010169
2016-01-14

Method for hot forming, in particular for press hardening

#935
20160002757
2016-01-07

High strength, high toughness steel alloy

#936
20160002747
2016-01-07

Process for treating steel alloys for gears

#937
20150380136
2015-12-31

IRON-BASED SOFT MAGNETIC MATERIAL AND IRON-BASED SOFT MAGNETIC CORE

#938
20150377556
2015-12-31

INFRARED FURNACE, INFRARED HEATING METHOD AND STEEL PLATE MANUFACTURED BY USING THE SAME

#939
20150377555
2015-12-31

Infrared furnace and method for infrared heating

#940
20150376750
2015-12-31

AIR-HARDENABLE BAINITIC STEEL WITH ENHANCED MATERIAL CHARACTERISTICS

#941
20150376731
2015-12-31

Steel wire for spring and method for manufacturing same

#942
20150376728
2015-12-31

Infrared heating method, infrared heating and forming method of steel sheet and automobile component obtained thereby, and infrared heating furnace

#943
20150376727
2015-12-31

METHOD FOR THE MANUFACTURING OF ELEMENTS OF NON-FERROUS METAL ALLOYS, ADVANTAGEOUSLY ALUMINIUM ALLOYS

#944
20150368742
2015-12-24

High-strength cold-rolled steel sheet having excellent bendability

#945
20150368734
2015-12-24

METHOD AND FACILITY FOR MANUFACTURING SEAMLESS STEEL PIPE WITH EXCELLENT TOUGHNESS

#946
20150367396
2015-12-24

Device and method for hot stamping

#947
20150361536
2015-12-17

Forced water cooling of thick steel wires

#948
20150361535
2015-12-17

Process for manufacturing a profiled steel wire

#949
20150361534
2015-12-17

Steel for tracked undercarriage component, and track link

#950
20150361516
2015-12-17

METHOD OF HEAT TREATING METAL ARTICLES AND METAL ARTICLE TREATED THEREBY

#951
20150360285
2015-12-17

Method for producing a flat steel product with an amorphous, partially amorphous or fine-crystalline microstructure and flat steel product with such characteristics

#952
20150352621
2015-12-10

HEATING DEVICE FOR HOT STAMPING

#953
20150344984
2015-12-03

Ultrasound-assisting quenching process and device for performing the same

#954
20150337415
2015-11-26

Steel sheet for hot press-forming, hot press-formed part, and method of producing hot press-formed part

#955
20150318089
2015-11-05

Rare-earth permanent magnetic powder, bonded magnet containing thereof and device using the bonded magnet

#956
20150315685
2015-11-05

Seamless steel pipe and method for producing same

#957
20150315684
2015-11-05

High-strength stainless steel seamless tube or pipe for oil country tubular goods, and method of manufacturing the same

#958
20150315669
2015-11-05

Heat treatment method and method of manufacturing machine part

#959
20150315668
2015-11-05

Manufacturing method for outer joint member of constant velocity universal joint and outer joint member

#960
20150314568
2015-11-05

Galvanized steel sheet for hot forming

#961
20150300993
2015-10-22

ULTRASONIC INSPECTION

#962
20150299832
2015-10-22

High carbon steel rail with enhanced ductility

#963
20150299825
2015-10-22

Methods for constructing parts using metallic glass alloys, and metallic glass alloy materials for use therewith

#964
20150299818
2015-10-22

Thermal-assisted roll forming of high strength material

#965
20150299817
2015-10-22

Method for strengthening steel plate member

#966
20150292067
2015-10-15

HOT-FORMING STEEL ALLOY

#967
20150292066
2015-10-15

METALLIC MATERIAL

#968
20150285109
2015-10-08

EXHAUST VALVE FOR AN INTERNAL COMBUSTION ENGINE, AND A METHOD OF STRENGTHENING AN ANNULAR VALVE SEAT AREA IN AN EXHAUST VALVE

#969
20150284819
2015-10-08

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

#970
20150275346
2015-10-01

HEAT TREATMENT APPARATUS

#971
20150267284
2015-09-24

METHODS FOR PRODUCTION OF HIGHLY FORMABLE EXTRA DEEP DRAW ENAMELING STEEL -- PRODUCT AND PROCESS FOR MANUFACTURE THEREOF

#972
20150259771
2015-09-17

High strength low alloy steel and method of manufacturing

#973
20150258599
2015-09-17

Method for producing a ring-pull top from a steel sheet provided with a protective layer and a ring-pull top produced thereby

#974
20150252457
2015-09-10

METHOD FOR PRODUCING MOLTEN STEEL HAVING HIGH WEAR RESISTANCE AND STEEL HAVING SAID CHARACTERISTICS

#975
20150247227
2015-09-03

Method for manufacturing heavy wall steel pipe

#976
20150247226
2015-09-03

Method for producing a low alloy steel for oil country tubular goods having excellent sulfide stress cracking resistance

#977
20150247225
2015-09-03

WIRE FOR PISTON RINGS

#978
20150247222
2015-09-03

Surface-treated component manufacturing method and apparatus

#979
20150240342
2015-08-27

METHOD OF MANUFACTURING MACHINE COMPONENT

#980
20150240335
2015-08-27

Steel for induction hardening roughly shaped material for induction hardening

#981
20150232971
2015-08-20

ABRASION RESISTANT STEEL PLATE HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS AND EXCELLENT CORROSIVE WEAR RESISTANCE

#982
20150232969
2015-08-20

Process for heat treatment of parts made from low and specified hardenability structural steel

#983
20150232968
2015-08-20

Method for heat treatment of hypereutectoid steel rail

#984
20150226014
2015-08-13

Ultra-high toughness and high strength drill pipe and manufacturing process thereof

#985
20150225835
2015-08-13

Method and steel component

#986
20150225830
2015-08-13

Cold-rolled steel sheet and method for manufacturing same, and hot-stamp formed body

#987
20150225822
2015-08-13

Abrasion resistant steel plate having excellent low-temperature toughness and excellent corrosive wear resistance

#988
20150225821
2015-08-13

STEEL SHEET

#989
20150219159
2015-08-06

Bearing having a raceway with high chromium content

#990
20150218759
2015-08-06

METHOD FOR PRODUCING BAINITIC RAIL STEELS, TRACK ELEMENT AND INSTALLATION FOR CARRYING OUT THE METHOD

#991
20150218688
2015-08-06

Method and steel component

#992
20150217392
2015-08-06

Method for installing a first machine part into a second machine part

#993
20150217329
2015-08-06

COATING FILM AND METAL AUTOMOTIVE PART ON WHICH COATING FILM IS FORMED, AND CONSTANT VELOCITY UNIVERSAL JOINT

#994
20150211213
2015-07-30

Aggregate crushing tool

#995
20150211104
2015-07-30

Steel article having improved contact fatigue resistance and a method of making

#996
20150211084
2015-07-30

METAL PROCESSING METHOD AND METAL PRODUCT PROCESSED THEREBY

#997
20150211083
2015-07-30

Method and system for laser hardening of a surface of a workpiece

#998
20150209858
2015-07-30

Method for producing a composite component, and composite component

#999
20150206653
2015-07-23

Production method for rare earth permanent magnet

#1000
20150204142
2015-07-23

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

#1001
20150184267
2015-07-02

Method for manufacturing stabilizer, and heating device

#1002
20150184266
2015-07-02

HOT-ROLLED STEEL SHEET, METHOD OF MANUFACTURING THE SAME, AND EQUIPMENT FOR MANUFACTURING THE SAME

#1003
20150167110
2015-06-18

Tooling system for processing workpieces

#1004
20150165727
2015-06-18

Galvannealed steel sheet

#1005
20150159259
2015-06-11

Low alloy steel carburization and surface microalloying process

#1006
20150152534
2015-06-04

Metal steel production by slab casting

#1007
20150152532
2015-06-04

High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same

#1008
20150152517
2015-06-04

Method for press-hardening steel

#1009
20150144234
2015-05-28

MICROTREATMENT OF CARBIDE CONTAINING IRON-BASED ALLOY AND ARTICLES RESULTING THEREFROM

#1010
20150144233
2015-05-28

HYBRID MOLD STEEL AND MANUFACTURING METHOD THEREOF

#1011
20150144232
2015-05-28

Method for producing a formed and at least regionally hardened sheet metal component

#1012
20150144231
2015-05-28

High strength cold-rolled steel sheet and manufacturing method therefor

#1013
20150144228
2015-05-28

Quenched steel pipe member, vehicle axle beam using quenched steel pipe member, and method for manufacturing quenched steel pipe member

#1014
20150137045
2015-05-21

Thin plate having excellent corrosion resistance, conductivity and formability, and method for manufacturing same

#1015
20150129093
2015-05-14

Methods for processing metal alloys

#1016
20150118095
2015-04-30

Method of manufacturing a ferrous alloy article using powder metallurgy processing

#1017
20150114527
2015-04-30

Steel for oil country tubular goods and method of producing the same

#1018
20150111132
2015-04-23

Separator material for polymer electrolyte fuel cell having excellent corrosion resistance, conductivity and formability, and method for manufacturing same

#1019
20150107727
2015-04-23

Method and system for thermal treatments of rails

#1020
20150101898
2015-04-16

Stainless steel brake disc and method for production thereof

#1021
20150101715
2015-04-16

HIGH STRENGTH STEEL WIRE FOR SPRING EXCELLENT IN COILING PERFORMANCE AND HYDROGEN EMBRITTLEMENT RESISTANCE AND METHOD FOR MANUFACTURING SAME

#1022
20150101713
2015-04-16

Method and apparatus for treating a steel article

#1023
20150101710
2015-04-16

Method for low-pressure carbonitriding using a reduced temperature gradient in an initial nitridation phase

#1024
20150091225
2015-04-02

Leaf spring and method of manufacture thereof having sections with different levels of through hardness

#1025
20150083284
2015-03-26

FLOW FORMING METHOD

#1026
20150079420
2015-03-19

STEEL FOR HOT FORMING

#1027
20150079419
2015-03-19

Process for manufacturing a recovery annealed coated steel substrate for packaging applications and a packaging steel product produced thereby

#1028
20150078951
2015-03-19

POWDER METALLURGICALLY MANUFACTURED HIGH SPEED STEEL

#1029
20150076386
2015-03-19

Iron-based alloys and methods of making and use thereof

#1030
20150072804
2015-03-12

Iron golf club head and iron golf club

#1031
20150068650
2015-03-12

Production method and production facility of metal pipe

#1032
20150068647
2015-03-12

HOT WORKED STEEL AND TOOL MADE THEREWITH

#1033
20150064494
2015-03-05

Coated substrate for packaging applications and a method for producing said coated substrate

#1034
20150053315
2015-02-26

Boron-added high strength steel for bolt and high strength bolt having excellent delayed fracture resistance

#1035
20150053044
2015-02-26

Camshaft for HP common rail oil pump, manufacturing method thereof and interference assembly device thereof

#1036
20150051687
2015-02-19

VASCULAR PROSTHETIC ASSEMBLIES

#1037
20150047758
2015-02-19

Method and apparatus of manufacturing high strength cold rolled steel sheet

#1038
20150044500
2015-02-12

Process for manufacturing a recovery annealed coated steel substrate for packaging applications and a packaging steel product produced thereby

#1039
20150041030
2015-02-12

Method for producing high-strength steel material excellent in sulfide stress cracking resistance

#1040
20150034215
2015-02-05

High strength multi-phase steel, and method for producing a strip from said steel

#1041
20150034037
2015-02-05

Iron-based alloys and methods of making and use thereof

#1042
20150027601
2015-01-29

Cooling element with spacer

#1043
20150027599
2015-01-29

Rail cooling method and rail cooling device

#1044
20150024234
2015-01-22

Method for manufacturing hot-press formed steel-member, and the hot-press formed steel-member

#1045
20150020992
2015-01-22

Non-scaling heat-treatable steel and method for producing a non-scaling component from said steel

#1046
20150020932
2015-01-22

METHOD OF REMANUFACTURING A ROCKER ARM

#1047
20150020924
2015-01-22

COMPOSITE STEEL PART AND MANUFACTURING METHOD FOR THE SAME

#1048
20150017476
2015-01-15

BASE METAL FOR HIGH-TOUGHNESS CLAD PLATE HAVING EXCELLENT TOUGHNESS AT WELDED JOINT AND METHOD OF MANUFACTURING THE CLAD PLATE

#1049
20150010779
2015-01-08

Method for producing packaging steel

#1050
20150007914
2015-01-08

METHOD AND APPARATUS FOR MICRO-TREATING IRON-BASED ALLOY, AND THE MATERIAL RESULTING THEREFROM

#1051
20150003935
2015-01-01

Steel for bolt use, bolt, and method for manufacturing bolt

#1052
20140373978
2014-12-25

Case hardened steel having reduced thermal treatment distortion

#1053
20140367002
2014-12-18

Hot-press formed product and method for manufacturing same

#1054
20140366992
2014-12-18

PROCESS FOR PRODUCING CARBONITRIDED PART

#1055
20140348454
2014-11-27

Bearing part, rolling bearing, and methods of manufacturing them

#1056
20140345752
2014-11-27

PRECIPITATION HARDENED FE-NI ALLOY

#1057
20140338798
2014-11-20

High Strength Steel Exhibiting Good Ductility and Method of Production via Quenching and Partitioning Treatment by Zinc Bath

#1058
20140338797
2014-11-20

High Strength Steel Exhibiting Good Ductility and Method of Production via In-Line Heat Treatment Downstream of Molten Zinc Bath

#1059
20140332120
2014-11-13

Bulk ferromagnetic glasses free of non-ferrous transition metals

#1060
20140327193
2014-11-06

Press quench machine

#1061
20140326367
2014-11-06

Metal Coating Method

#1062
20140322559
2014-10-30

High-strength flat steel product and method for producing same

#1063
20140318672
2014-10-30

High strength hot rolled steel sheet for line pipe use excellent in low temperature toughness and ductile fracture arrest performance and method of production of same

#1064
20140311632
2014-10-23

METHOD FOR PRODUCING STEEL TUBE FOR AIR BAG

#1065
20140299239
2014-10-09

Stainless steel and method for manufacturing same

#1066
20140299237
2014-10-09

Method for manufacturing a high-strength structural steel and a high-strength structural steel product

#1067
20140261921
2014-09-18

Process to improve fatigue strength of micro alloy steels, forged parts made from the process and an apparatus to execute the process

#1068
20140261913
2014-09-18

High magnetic hardening assembly and method

#1069
20140261902
2014-09-18

Method and apparatus for treating a steel article

#1070
20140246132
2014-09-04

Aqueous quenching media and use thereof in quenching metal substrates

#1071
20140245865
2014-09-04

Cutting members for shaving razors

#1072
20140230972
2014-08-21

Wall member useful in quenching

#1073
20140216612
2014-08-07

Process for manufacturing steel, for hot forming or quenching in a tool, having improved ductility

#1074
20140216124
2014-08-07

Method for producing a motor vehicle axle component

#1075
20140213375
2014-07-31

Martensitic steel with mixed hardening

#1076
20140212687
2014-07-31

Method of thermomechanical shaping a final product with very high strength and a product produced thereby

#1077
20140212660
2014-07-31

Medium carbon steel sheet for cold working and method for manufacturing the same

#1078
20140209220
2014-07-31

Two-phase stainless steel, method of manufacturing the same, and diaphragm, pressure sensor, and diaphragm valve using two-phase stainless steel

#1079
20140209214
2014-07-31

Method and steel component

#1080
20140202600
2014-07-24

Method of making quenched and tempered steel pipe with high fatigue life

#1081
20140182751
2014-07-03

Heat treatment method of turnout track and the turnout track

#1082
20140140883
2014-05-22

QUENCH AND TEMPER CORROSION RESISTANT STEEL ALLOY

#1083
20140137622
2014-05-22

Roll forming method and roll forming apparatus

#1084
20140124104
2014-05-08

Hot forming line and method for producing a hot formed and press hardened motor vehicle part

#1085
20140090754
2014-04-03

Process for cooling a metal workload in a multimedia quench system

#1086
20140070552
2014-03-13

Bumper

#1087
20140065473
2014-03-06

Rechargeable battery and heat treatment device

#1088
20140056754
2014-02-27

Hot press-formed product and process for producing same

#1089
20140041771
2014-02-13

Annular workpiece quenching method and quenching apparatus used in the method

#1090
20140037980
2014-02-06

Hot stamped article, method of producing hot stamped article, energy absorbing member, and method of producing energy absorbing member

#1091
20140020797
2014-01-23

Magnetic field annealing for improved creep resistance

#1092
20140017509
2014-01-16

Bonded object of tungsten carbide-based superhard alloy and process for producing same

#1093
20140007994
2014-01-09

Quenching method for steel pipe

#1094
20130333811
2013-12-19

Method and apparatus for treating a steel article

#1095
20130330119
2013-12-12

Forged steel and welded structure for components for nuclear power plants

#1096
20130312879
2013-11-28

Spray quench systems for heat treated metal products

#1097
20130312875
2013-11-28

Spray quench systems for heat treated metal products

#1098
20130301969
2013-11-14

Method for producing a bearing ring

#1099
20130284319
2013-10-31

High Strength, High Toughness Steel Alloy

#1100
20130264123
2013-10-10

Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same

#1101
20130263979
2013-10-10

Ferritic Stainless Steel for Use as Conduit Members for Emission of Automotive Exhaust Gas

#1102
20130255844
2013-10-03

Primary material for molds adapted to mold plastics

#1103
20130252017
2013-09-26

Steel sheet for hot pressing and method for manufacturing hot-pressed member using the same

#1104
20130199679
2013-08-08

Method for manufacturing ultra high strength member

#1105
20130193648
2013-08-01

Method of producing a piston ring having embedded particles

#1106
20130189147
2013-07-25

Bearing steel being excellent both in post spheroidizing-annealing workability and in post quenching-tempering hydrogen fatigue resistance property

#1107
20130186527
2013-07-25

Heat treatment for producing steel sheet with high strength and ductility

#1108
20130180635
2013-07-18

Press-formed product and method for producing same

#1109
20130180628
2013-07-18

Martensitic stainless steel machineability optimization

#1110
20130146366
2013-06-13

Methods of forming earth-boring tools

#1111
20130139934
2013-06-06

HEAT TREATMENT FOR CYLINDER BLOCK CASTED WITH HIGH PRESSURE DIE-CASTING

#1112
20130095313
2013-04-18

METHOD FOR INHIBITING CORROSION UNDER INSULATION ON THE EXTERIOR OF A STRUCTURE

#1113
20130092280
2013-04-18

Electric resistance welded oil country tubular goods and manufacturing method of electric resistance welded oil country tubular goods

#1114
20130087256
2013-04-11

Steel wire with high strength for cold forging to improve service life of mold and method of manufacturing the same

#1115
20130048160
2013-02-28

Method of press hardening a steel sheet blank

#1116
20130048156
2013-02-28

Case hardening steel and manufacturing method thereof

#1117
20130040165
2013-02-14

High-strength steel sheet excellent in seam weldability

#1118
20130037182
2013-02-14

MECHANICAL PART MADE OF STEEL HAVING HIGH PROPERTIES AND PROCESS FOR MANUFACTURING SAME

#1119
20130032257
2013-02-07

Tailored hardening of boron steel

#1120
20130032251
2013-02-07

Method of processing steel and steel article

#1121
20130025747
2013-01-31

Steel for induction hardening, roughly shaped material for induction hardening, producing method thereof, and induction hardening steel part

#1122
20130025340
2013-01-31

Method of hot-press forming enabling hardness control

#1123
20120325364
2012-12-27

SEAMLESS STEEL PIPE FOR HIGH-STRENGTH HOLLOW SPRING

#1124
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

#1125
20120318407
2012-12-20

Spring steel and surface treatment method for steel material

#1126
20120279619
2012-11-08

TREATMENT FOR PREVENTING STRESS CORROSION CRACKING

#1127
20120279616
2012-11-08

Steel material for hardening

#1128
20120273092
2012-11-01

Method for manufacturing a hot press-hardened component and use of a steel product for manufacturing a hot press-hardened component

#1129
20120273089
2012-11-01

Seat structural component tailored for strength

#1130
20120267014
2012-10-25

Method for manufacturing seamless steel pipe for line pipe and seamless steel pipe for line pipe

#1131
20120267010
2012-10-25

Composite steel part and manufacturing method for the same

#1132
20120263622
2012-10-18

Hot-rolled steel bar or wire rod

#1133
20120255653
2012-10-11

Method of processing steel and steel article

#1134
20120247619
2012-10-04

Carburized steel and its process of manufacture

#1135
20120241058
2012-09-27

CAST IRON CAST PART AND METHOD FOR PRODUCTION THEREOF

#1136
20120237387
2012-09-20

STAINLESS STEEL HAVING LOCAL VARIATIONS IN MECHANICAL RESISTANCE

#1137
20120225761
2012-09-06

Forged roll meeting the requirements of the cold rolling industry and a method for production of such a roll

#1138
20120211127
2012-08-23

Hollow drilling steel rod and method of manufacturing the same

#1139
20120204994
2012-08-16

Heavy wall steel pipes with excellent toughness at low temperature and sulfide stress corrosion cracking resistance

#1140
20120199255
2012-08-09

High strength steel pipes with excellent toughness at low temperature and sulfide stress corrosion cracking resistance

#1141
20120186320
2012-07-26

METHOD AND MACHINE TOOL FOR THE PROCESSING AND HARDENING OF METALLIC WORKPIECES

#1142
20120174760
2012-07-12

Dual hardness steel article

#1143
20120164472
2012-06-28

Method of producing a steel component provided with a metallic coating giving protection against corrosion

#1144
20120156520
2012-06-21

Hardfacing process and parts produced thereby

#1145
20120137502
2012-06-07

PRESS-HARDENED COMPONENT AND ASSOCIATED PRODUCTION METHOD

#1146
20120137498
2012-06-07

Hot Forming with Inlay Material

#1147
20120134872
2012-05-31

ABRASION RESISTANT STEEL, METHOD OF MANUFACTURING AN ABRASION RESISTANT STEEL AND ARTICLES MADE THEREFROM

#1148
20120132326
2012-05-31

Method for producing martensitic steel with mixed hardening

#1149
20120118437
2012-05-17

Zinc coated steel with inorganic overlay for hot forming

#1150
20120111454
2012-05-10

Stainless steel carburization process

#1151
20120107644
2012-05-03

Localized Induction Heating For Residual Stress Optimization

#1152
20120103459
2012-05-03

HIGH FATIGUE SERVICE LIFE QUENCHING/TEMPERING STEEL TUBE AND MANUFACTURING METHOD THEREFOR

#1153
20120091122
2012-04-19

SELECTIVE CASE DEPTH THERMO-MAGNETIC PROCESSING AND APPARATUS

#1154
20120085469
2012-04-12

METHOD FOR MANUFACTURING PROJECTION MATERIALS FOR A SHOT PEENING

#1155
20120082587
2012-04-05

High strength low alloyed sintered steel

#1156
20120055587
2012-03-08

Method of manufacturing a bearing ring

#1157
20120042994
2012-02-23

MANUFACTURING METHOD OF HIGH-STRENGTH AND HIGH-TOUGHNESS THIN STEEL AND HEAT TREATMENT APPARATUS

#1158
20120028202
2012-02-02

HEAT TREATMENT DEVICE AND HEAT TREATMENT METHOD

#1159
20120014626
2012-01-19

Martensitic-steel casting material and process for producing martensitic cast steel product

#1160
20110297279
2011-12-08

Method for producing seamless steel pipe for oil wells excellent in sulfide stress cracking resistance

#1161
20110284133
2011-11-24

CARBONITRIDED PART AND PROCESS FOR PRODUCING CARBONITRIDED PART

#1162
20110253265
2011-10-20

QUENCHED AND TEMPERED STEEL PIPE WITH HIGH FATIGUE LIFE, AND ITS MANUFACTURING METHOD

#1163
20110253264
2011-10-20

Iron-carbon master alloy

#1164
20110243488
2011-10-06

Bearing constituent member and process for producing the same, and rolling bearing having bearing constituent member

#1165
20110226391
2011-09-22

C+N AUSTENITIC STAINLESS STEEL HAVING HIGH STRENGTH AND EXCELLENT CORROSION RESISTANCE, AND FABRICATION METHOD THEREOF

#1166
20110217567
2011-09-08

METHOD FOR THE MANUFACTURE OF A COMPOUND PRODUCT WITH A SURFACE REGION OF A WEAR RESISTANT COATING, SUCH A PRODUCT AND THE USE OF A STEEL MATERIAL FOR OBTAINING THE COATING

#1167
20110167837
2011-07-14

Magnetocaloric materials

#1168
20110158572
2011-06-30

Method for manufacturing a steel component, a weld seam, a welded steel component, and a bearing component

#1169
20110132502
2011-06-09

Method for producing a formed steel part having a predominantly ferritic-bainitic structure

#1170
20110126946
2011-06-02

Bainite steel and methods of manufacture thereof

#1171
20110120599
2011-05-26

Austempering heat treatment during hot isostatic pressing conditions

#1172
20110094638
2011-04-28

Aqueous quenching media and use thereof in quenching metal substrates

#1173
20110094282
2011-04-28

Method and hot forming system for producing a hardened, hot formed workpiece

#1174
20110079328
2011-04-07

HIGH STRENGTH HOT ROLLED STEEL SHEET FOR LINE PIPE USE EXCELLENT IN LOW TEMPERATURE TOUGHNESS AND DUCTILE FRACTURE ARREST PERFORMANCE AND METHOD OF PRODUCTION OF SAME

#1175
20110073222
2011-03-31

Heat-Treatment Process for a Steel

#1176
20110067787
2011-03-24

High-strength low-alloy steel excellent in high-pressure hydrogen environment embrittlement resistance characteristics and method for producing the same

#1177
20110048589
2011-03-03

High-strength steel sheet and method for manufacturing the same

#1178
20110048585
2011-03-03

Heat treated galvannealed steel material and a method for its manufacture

#1179
20110037207
2011-02-17

Hybrid method manufacturing apparatus for torsion beam

#1180
20110036470
2011-02-17

TORSION BEAM MANUFACTURING METHOD USING HYBRID METHOD

#1181
20110017356
2011-01-27

High-strength steel plate excellent in drop weight properties and base steel toughness

#1182
20100319814
2010-12-23

BAINITIC STEELS WITH BORON

#1183
20100319426
2010-12-23

Method for producing press-hardened components for motor vehicles

#1184
20100252150
2010-10-07

Heat treatment method of pin for endless track

#1185
20100242785
2010-09-30

Car wash conveyor dolly and method of making same

#1186
20100236317
2010-09-23

METHOD FOR FORMING ARTICLES AT AN ELEVATED TEMPERATURE

#1187
20100221572
2010-09-02

Steel, for hot forming or quenching in a tool, having improved ductility

#1188
20100180442
2010-07-22

Injection valve, method for its production, and apparatus for performing the method

#1189
20100163140
2010-07-01

Microtreatment of Iron-Based Alloy, Apparatus and Method Therefor, and Microstructure Resulting Therefrom

#1190
20100163138
2010-07-01

METHOD FOR QUENCHING OF STEEL MEMBER, QUENCHED STEEL MEMBER, AND AGENT FOR PROTECTING QUENCHED SURFACE

#1191
20100150772
2010-06-17

HOT-FORMING STEEL ALLOY

#1192
20100150489
2010-06-17

Rolling member, rolling bearing and process for manufacturing rolling member

#1193
20100132854
2010-06-03

Microtreatment of iron-based alloy, apparatus and method therefor, and articles resulting therefrom

#1194
20100126638
2010-05-27

Method of making a diesel-engine crankshaft

#1195
20100116381
2010-05-13

Internal high hardness type pearlitic rail with excellent wear resistance and rolling contact fatigue resistance and method for producing same

#1196
20100112371
2010-05-06

Hot formed part, and method of making a hot formed part

#1197
20100108665
2010-05-06

Induction heating system and induction heating method of metal plate

#1198
20100083795
2010-04-08

Method and tool product of differential heat treatment process

#1199
20100064759
2010-03-18

Method and device for press-hardening a metallic formed structure

#1200
20100037992
2010-02-18

Method for transforming steel blanks