ClassID:

118932

C21D1/42 - CPC Classification

Classification description:

General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering; Methods of heating Induction heating

Recent Application in this class:
#1
20260117801
2026-04-30

DUST-PROOF AND VIBRATION-PROOF COVER AND METHOD OF MANUFACTURING CONNECTING ELEMENT THEREFOR

#2
20260085372
2026-03-26

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND INDUCTION HEATING DEVICE

#3
20260071293
2026-03-12

CONTINUOUS ANNEALING LINE, CONTINUOUS ANNEALING METHOD, METHOD OF PRODUCING COLD-ROLLED STEEL SHEET, AND METHOD OF PRODUCING COATED OR PLATED STEEL SHEET

#4
20260071291
2026-03-12

CONTINUOUS ANNEALING LINE, CONTINUOUS ANNEALING METHOD, METHOD OF PRODUCING COLD-ROLLED STEEL SHEET, AND METHOD OF PRODUCING COATED OR PLATED STEEL SHEET

#5
20260022435
2026-01-22

Process for operating a thermal treatment line for the flexible thermal treatment of metal pre-products

#6
20250340966
2025-11-06

Heat treatment line for a hot strip

#7
20250327145
2025-10-23

METHOD AND DEVICE FOR HEATING A VEHICLE WHEEL

#8
20250271213
2025-08-28

CONTINUOUS, HIGH-TEMPERATURE SLAB PREHEATING PLANT FOR FLAT SEMI-FINISHED STEEL PRODUCTS

#9
20250237281
2025-07-24

METHOD FOR MANUFACTURING IMPACT ENERGY ABSORBING COMPONENT, AND IMPACT ENERGY ABSORBING COMPONENT

#10
20250220783
2025-07-03

INDUCTION HEATING METHOD AND MANUFACTURING METHOD FOR RING-SHAPED MEMBER, RING-SHAPED MEMBER, BEARING, INDUCTION HEATING APPARATUS, MANUFACTURING METHOD FOR BEARING, MANUFACTURING METHOD FOR VEHICLE, AND MANUFACTURING METHOD FOR MECHANICAL DEVICE

#11
20250197958
2025-06-19

METHOD FOR PRODUCING TUBULAR COATING-FREE PRESS-HARDENED STEEL

#12
20250179600
2025-06-05

PROCESS FOR MANUFACTURING A FLAT STEEL PRODUCT HAVING AN ALUMINUM-BASED CORROSION-RESISTANT COATING, AND FLAT STEEL PRODUCT HAVING AN ALUMINUM-BASED CORROSION-RESISTANT COATING

#13
20250179599
2025-06-05

MECHANICAL STRUCTURAL PART AND METHOD FOR MANUFACTURING SAME

#14
20250164188
2025-05-22

Method for inductively heating steel ingots on a transport shoe and device for carrying out the method

#15
20250146092
2025-05-08

METHOD FOR MANUFACTURING STEEL PLATE COMPONENT AND MANUFACTURING APPARATUS

#16
20250129444
2025-04-24

System and method for producing flat rolled products

#17
20250066868
2025-02-27

METHOD TO ACHIEVE VARIABLE PROPERTIES WITHIN A COMPONENT USING COATING FREE PRESS HARDENED STEEL

#18
20250025927
2025-01-23

CONDUCTIVE POST-FURNACE HEATING OF SHEET FOR HOT FORMING

#19
20240368718
2024-11-07

HEAT- TREATED STEEL AND HEAT TREATMENT METHOD FOR STEEL

#20
20240351094
2024-10-24

APPARATUS AND METHOD FOR MANUFACTURING RACK BAR

#21
20240344159
2024-10-17

PROCESS FOR MANUFACTURING VEHICLE PARTS

#22
20240342869
2024-10-17

TOOL ACCESSORY AND METHOD OF MANUFACTURING SAME

#23
20240271236
2024-08-15

SPATIALLY SELECTIVE ELECTROMAGNETIC FIELD ASSISTED PROCESSING OF BULK CRYSTALLINE SOFT MAGNETIC ALLOYS

#24
20240269734
2024-08-15

METHOD FOR PRODUCING A MICROALLOYED STEEL, A MICROALLOYED STEEL PRODUCED USING THE METHOD, AND A COMBINED CASTING/ROLLING INSTALLATION

#25
20240261842
2024-08-08

METHOD AND ARRANGEMENT FOR PRODUCING A HARDENED SHEET METAL PRODUCT

#26
20240258001
2024-08-01

NANOCRYSTALLINE SOFT MAGNETIC ALLOY WITH HIGH MAGNETIC INDUCTION AND HIGH FREQUENCY AND PREPARATION METHOD THEREOF

#27
20240254589
2024-08-01

SELECTIVE HEAT TREATMENT OF METALS USING A COIL-IN-FURNACE SYSTEM

#28
20240254578
2024-08-01

SELECTIVE HEAT TREATMENT OF METALS USING MULTIPLE INDUCTION HEATING COILS

#29
20240209471
2024-06-27

ENERGY-EFFICIENT PRODUCTION OF A FERRITIC HOT-ROLLED STRIP IN AN INTEGRATED CASTING-ROLLING PLANT

#30
20240093327
2024-03-21

CONTINUOUS ANNEALER FOR WIRE

#31
20230357877
2023-11-09

Method for Producing Conventionally Hot-Rolled Strip Products

#32
20230357873
2023-11-09

METHOD FOR REPAIRING A COMPONENT BY HEAT TREATING

#33
20230356378
2023-11-09

TOOL WITH PROTRUDING STRUCTURE

#34
20230318478
2023-10-05

DUAL-FREQUENCY POWER-SUPPLY APPARATUS, HIGH-FREQUENCY HEATING APPARATUS, AND HIGH-FREQUENCY QUENCHING APPARATUS

#35
20230304117
2023-09-28

Process for manufacturing a flat steel product having an aluminum-based corrosion-resistant coating, and flat steel product having an aluminum-based corrosion-resistant coating

#36
20230250506
2023-08-10

METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#37
20230220512
2023-07-13

INDUCTION HARDENING SYSTEM AND INDUCTION HARDENING METHOD

#38
20230220506
2023-07-13

INDUCTION HARDENING SYSTEM

#39
20230219115
2023-07-13

Method for forming coating film on constant velocity universal joint

#40
20230212708
2023-07-06

METHOD FOR RECRYSTALLISATION ANNEALING OF A NON-GRAIN-ORIENTED ELECTRIC STRIP

#41
20230211401
2023-07-06

METHOD AND APPARATUS FOR HEATING AND ROLL FORMING A PRODUCT

#42
20230175089
2023-06-08

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

#43
20230151450
2023-05-18

INTEGRATED WELDING AND THERMAL PROCESSING JOINING METHOD FOR CREEP STRENGTH ENHANCED FERRITIC STEELS

#44
20230002876
2023-01-05

PRE-AGEING SYSTEMS AND METHODS USING MAGNETIC HEATING

#45
20220356540
2022-11-10

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

#46
20220281015
2022-09-08

APPLIANCE FOR HEAT TREATMENT AND METHOD FOR OPERATING THE APPLIANCE

#47
20220275698
2022-09-01

HARDFACED METAL SURFACE AND METHOD OF MANUFACTURE

#48
20220195551
2022-06-23

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

#49
20220193741
2022-06-23

Heating device for the inductive heating of a flat steel strip in a hot rolling mill

#50
20220186340
2022-06-16

Energy-efficient production of a ferritic hot-rolled strip in an integrated casting-rolling plant

#51
20220186332
2022-06-16

METHOD AND DEVICE FOR INDUCTION HARDENING

#52
20220176434
2022-06-09

Conductive post-furnace heating of sheet for hot forming

#53
20220162721
2022-05-26

Combined heating and transfer of work-piece blanks

#54
20220146198
2022-05-12

Apparatus and methods for the drying treatment of an inductor

#55
20220112570
2022-04-14

Localized heat treatment

#56
20220112568
2022-04-14

METHOD FOR PRODUCING A STEEL BLANK AND TEMPERATURE-ADJUSTING STATION

#57
20220107134
2022-04-07

Method for inductively heating steel ingots on a transport shoe and device for carrying out the method

#58
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

#59
20220049324
2022-02-17

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

#60
20220042127
2022-02-10

Stud-weldable rebar

#61
20220033928
2022-02-03

Hot-band annealing equipment, hot-band annealing method and descaling method for Si-containing hot rolled steel sheet

#62
20220033923
2022-02-03

HEAT TREATMENT METHOD

#63
20220033922
2022-02-03

Heat treatment apparatus for vehicle body component

#64
20220010404
2022-01-13

Method for producing thermo-mechanically produced profiled hot-rolled strip products

#65
20220002835
2022-01-06

Dual pass, dual anneal welding method for joining high strength steels

#66
20220000091
2022-01-06

HORSESHOE NAIL AND METHOD FOR MANUFACTURING SUCH HORSESHOE NAIL

#67
20210379648
2021-12-09

Apparatus and method for manufacturing rack bar

#68
20210324494
2021-10-21

Local heat treatment method for controlling residual stress with primary and auxiliary heating

#69
20210310107
2021-10-07

Systems and methods for non-contact tensioning of a metal strip

#70
20210285067
2021-09-16

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

#71
20210262057
2021-08-26

Device and method for manufacturing metal clad plates in way of continuous casting and rolling

#72
20210262056
2021-08-26

Device and method for manufacturing metal clad strips continuously

#73
20210254198
2021-08-19

Boron-based amorphous alloys and preparation method thereof

#74
20210238704
2021-08-05

Split multiple coil electric induction heat treatment systems for simultaneous heating of multiple features of a bearing component

#75
20210214817
2021-07-15

STEEL ALLOY AND METHOD FOR HEAT TREATING A STEEL ALLOY ARTICLE

#76
20210180148
2021-06-17

Lightweight door beam, composition thereof and method of manufacturing the same

#77
20210176833
2021-06-10

HEATING COIL AND QUENCHING DEVICE

#78
20210164069
2021-06-03

STEEL PLATE MEMBER AND METHOD OF PRODUCING THE SAME

#79
20210147956
2021-05-20

Method for producing steel plate member

#80
20210115966
2021-04-22

INDUCTION-HARDENED CRANKSHAFT AND METHOD OF MANUFACTURING ROUGHLY SHAPED MATERIAL FOR INDUCTION-HARDENED CRANKSHAFT

#81
20210079490
2021-03-18

Process for local hardening

#82
20210062291
2021-03-04

Induction heat treating apparatus

#83
20210040575
2021-02-11

System and method for manufacturing a part

#84
20210033144
2021-02-04

Adjustable spacer with hardened ends

#85
20210024149
2021-01-28

Track link for a track joint assembly having wear band with lengthwise-varied hardness and method of making same

#86
20210017624
2021-01-21

Metal strip induction heating method and induction heating apparatus

#87
20200408059
2020-12-31

Hardfaced metal surface and method of manufacture

#88
20200391275
2020-12-17

Process of manufacturing of segments for carbon thrust bearing

#89
20200377966
2020-12-03

Heating device and corresponding apparatus and method

#90
20200308663
2020-10-01

Quenching nozzle for induction hardening system

#91
20200305242
2020-09-24

Methods of Cooling an Electrically Conductive Sheet During Transverse Flux Induction Heat Treatment

#92
20200299802
2020-09-24

RESISTANCE ANNEALING FURNACE TO ANNEAL AT LEAST ONE METAL OR METAL ALLOY WIRE, STRAND, STRING, WIRE ROD OR STRIP

#93
20200299794
2020-09-24

Apparatus and methods for heating and quenching tubular members

#94
20200283864
2020-09-10

Stud-weldable rebar

#95
20200270718
2020-08-27

Martensitic stainless steel and method for producing the same

#96
20200263732
2020-08-20

Adjustable spacer with hardened ends

#97
20200239974
2020-07-30

Method for processing steel plate

#98
20200232706
2020-07-23

Fast response heaters and associated control systems used in combination with metal treatment furnaces

#99
20200216937
2020-07-09

STEEL MATERIAL EXCELLENT IN ROLLING FATIGUE PROPERTY

#100
20200208231
2020-07-02

Heating method and heating apparatus for center pillar for vehicle

#101
20200199704
2020-06-25

METHOD FOR HEAT TREATING WITH A GRADUAL TEMPERATURE PROFILE

#102
20200190911
2020-06-18

Drill bit for drilling and method for manufacturing same

#103
20200181730
2020-06-11

Homogenization process for coiled tubing

#104
20200165712
2020-05-28

METHOD FOR PRODUCING A HOT-FORMED COATED STEEL PRODUCT

#105
20200140983
2020-05-07

Methods for processing bonded dual alloy rotors including differential heat treatment processes

#106
20200108461
2020-04-09

Method for manufacturing joined member and apparatus for manufacturing the same

#107
20200079446
2020-03-12

Track link for a track joint assembly having wear band with lengthwise-varied hardness

#108
20200048754
2020-02-13

LOW PRESSURE INDUCTION CARBURIZATION

#109
20200032367
2020-01-30

Cold rolled steel wire, method and reinforcement of flexible conduits

#110
20200023631
2020-01-23

Powder-bed additive manufacturing devices and methods

#111
20200017948
2020-01-16

Method for producing a steel strip with an aluminium alloy coating layer

#112
20190352737
2019-11-21

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

#113
20190352732
2019-11-21

Electric Induction System and Method for Metallurgically Heat Treating Coil Springs

#114
20190352728
2019-11-21

Method For Railway Rolling Stock Unit Center Plate Strengthening And A Device to Perform It

#115
20190338808
2019-11-07

Bearing component and method for manufacturing the same

#116
20190338806
2019-11-07

Adjustable spacer with hardened ends

#117
20190330727
2019-10-31

METHODS OF PREPARING ALUMINUM ALLOY PRODUCTS FOR BONDING

#118
20190330725
2019-10-31

Systems and methods for threading a hot coil on a mill

#119
20190329310
2019-10-31

METHOD AND ARRANGEMENT FOR PRODUCING A HARDENED SHEET METAL PRODUCT

#120
20190323100
2019-10-24

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#121
20190309595
2019-10-10

Hardfaced metal surface and method of manufacture

#122
20190309404
2019-10-10

Systems and methods for threading a hot coil on a mill

#123
20190309403
2019-10-10

Systems and methods for threading a hot coil on a mill

#124
20190309386
2019-10-10

Heat treatment method and heat treatment device

#125
20190300994
2019-10-03

Steel for Induction Hardening

#126
20190296619
2019-09-26

Localized induction heat treatment of electric motor components

#127
20190292625
2019-09-26

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

#128
20190276920
2019-09-12

Process for warm forming a hardened aluminum alloy

#129
20190276913
2019-09-12

Method of continuously annealing a strip

#130
20190276908
2019-09-12

Wellbore tubular air quenching

#131
20190256939
2019-08-22

Bearing steel and manufacturing method therefor

#132
20190256937
2019-08-22

Apparatus for microtreatment of iron-based alloy

#133
20190249271
2019-08-15

Pre-conditioned AlSiFe coating of boron steel used in hot stamping

#134
20190239291
2019-08-01

INDUCTION HEATING APPARATUS AND INDUCTION HEATING METHOD

#135
20190233916
2019-08-01

Post-heating treatment device and post-heating treatment method

#136
20190233911
2019-08-01

Heat treatment equipment and heat treatment method

#137
20190233909
2019-08-01

Post-heating treatment device and post-heating treatment method

#138
20190227013
2019-07-25

Annealing parameter determination

#139
20190226041
2019-07-25

Method for the in-line manufacturing of steel tube

#140
20190208585
2019-07-04

Large scale metal forming

#141
20190193131
2019-06-27

Method for forming a hollow of a ferritic FeCrAl alloy into a tube

#142
20190191496
2019-06-20

Heating apparatus and heating method

#143
20190185957
2019-06-20

STEEL PLATE MEMBER AND METHOD OF PRODUCING THE SAME

#144
20190185949
2019-06-20

Tool for heating and quenching a structure

#145
20190161819
2019-05-30

METHOD FOR PRODUCING A COMPONENT, COMPONENT AND PRESS FOR PRODUCING A COMPONENT

#146
20190151917
2019-05-23

Method of manufacturing piercer plug

#147
20190143398
2019-05-16

LASER-HARDENED FILLET-ROLLED CRANKSHAFT

#148
20190136911
2019-05-09

Adjustable spacer with hardened ends

#149
20190136335
2019-05-09

HIGHLY ALLOYED STAINLESS STEEL FORGINGS MADE WITHOUT SOLUTION ANNEAL

#150
20190119777
2019-04-25

Method and furnace installation for heat treating metal strip

#151
20190106764
2019-04-11

STEEL PLATE MEMBER AND METHOD OF PRODUCING THE STEEL PLATE MEMBER

#152
20190098707
2019-03-28

Heating coil

#153
20190085424
2019-03-21

Heat treatment apparatus, heat treatment method for steel workpiece, and hot bending method for steel workpiece

#154
20190062855
2019-02-28

Method for heat treating an iron-carbon alloy

#155
20190055618
2019-02-21

Heat-processing device and heat-processing method

#156
20190047085
2019-02-14

Apparatus for laser materials processing

#157
20190022798
2019-01-24

Localized tempering of carburized steel

#158
20190022726
2019-01-24

Large scale metal forming control system and method

#159
20190017141
2019-01-17

Method of heat treating a fastening member

#160
20190002998
2019-01-03

Low Alloy Steels with Enhanced Toughness and Fatigue Strength at High Hardness

#161
20180371564
2018-12-27

Method for heat treating by induction an alloy component for generating microstructure gradients and an alloy component heat treated according to the method

#162
20180371563
2018-12-27

Device for generating a microstructure with a structural gradient in an axisymmetric part

#163
20180363086
2018-12-20

Method for induction surface hardening of a ring surface

#164
20180359817
2018-12-13

Transverse flux induction heating device

#165
20180359816
2018-12-13

Railless support of billets within electric induction heating coils

#166
20180355454
2018-12-13

METHOD FOR PRODUCING NON-ORIENTED ELECTRICAL STEEL SHEET

#167
20180347623
2018-12-06

Method for producing bearing ring, double row tapered roller bearing, and method for producing double row tapered roller bearing

#168
20180334735
2018-11-22

Method for manufacturing an austenitic steel component and use of the component

#169
20180327875
2018-11-15

METHOD FOR MANUFACTURING A MACHINE PART

#170
20180320244
2018-11-08

Track bushing

#171
20180305783
2018-10-25

HIGH STRENGTH STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#172
20180305779
2018-10-25

Heat treatment apparatus and heat treatment method

#173
20180281104
2018-10-04

Friction stir welding apparatus, friction stir welding control device, and friction stir welding method

#174
20180265960
2018-09-20

POST-BORIDING PROCESSES FOR TREATING PIPE AND RECOVERING BORONIZING POWDER

#175
20180245174
2018-08-30

Method for homogenizing steel compositions

#176
20180243814
2018-08-30

Method of manufacturing rolling bearing ring

#177
20180223385
2018-08-09

Increasing steel impact toughness

#178
20180202015
2018-07-19

DEVICE FOR TREATING, BY HEAT TEMPERING, A METAL ELEMENT OF THE TUBE OR BAR TYPE HAVING ARCHED PORTIONS

#179
20180179949
2018-06-28

Connecting rod for variable compression internal combustion engine

#180
20180179609
2018-06-28

System and Method for Induction Hardening of Metal Rings

#181
20180162205
2018-06-14

Bracket-integrated double-layer door impact beam, apparatus and method for manufacturing the same

#182
20180133776
2018-05-17

Method for blow molding metal containers

#183
20180112283
2018-04-26

Tripod universal joint fairway heat treatment device and heat treatment method

#184
20180104770
2018-04-19

Apparatus for laser materials processing

#185
20180104762
2018-04-19

METHOD FOR MANUFACTURING JOINED MEMBER AND APPARATUS FOR MANUFACTURING THE SAME

#186
20180100210
2018-04-12

Method for manufacturing components for gas turbine engines

#187
20180099324
2018-04-12

Production process for stamped parts of high mechanical resistance, through controlled electric heating

#188
20180094333
2018-04-05

Stress-relief heat treatment apparatus

#189
20180092164
2018-03-29

Magnetic levitation heating of metal with controlled surface quality

#190
20180087138
2018-03-29

Compact continuous annealing solution heat treatment

#191
20180087122
2018-03-29

Pre-ageing systems and methods using magnetic heating

#192
20180085810
2018-03-29

Rapid heating of sheet metal blanks for stamping

#193
20180085805
2018-03-29

Systems and methods for non-contact tensioning of a metal strip

#194
20180085803
2018-03-29

Systems and methods for threading a hot coil on a mill

#195
20180080107
2018-03-22

Method for relieving residual stress in cast-in-place liners of HPDC engine blocks

#196
20180080097
2018-03-22

High frequency heat treatment method of ultra-high strength parts

#197
20180072127
2018-03-15

Stabilizer and method for manufacturing same

#198
20180065205
2018-03-08

METHOD FOR PRODUCING A CAMSHAFT

#199
20180051354
2018-02-22

Localized heat treatment

#200
20180044756
2018-02-15

Tooling for stress relieving a turbine wheel and shaft

#201
20180030558
2018-02-01

Method for producing non-oriented electrical steel sheets

#202
20180023156
2018-01-25

Lightweight door beam, composition thereof and method of manufacturing the same

#203
20180021824
2018-01-25

Rolling equipment

#204
20180010223
2018-01-11

CONCURRENT, ADJACENT HEAT TREATMENT AND COOLING IN METAL ANNEALING

#205
20170350588
2017-12-07

Apparatus and method for welding a waterwall panel

#206
20170314094
2017-11-02

HEATING METHOD, HEATING APPARATUS, AND FABRICATION METHOD FOR PRESS-MOLDED ARTICLE

#207
20170306466
2017-10-26

Method of continuously heat-treating 7000-series aluminium alloy sheet material

#208
20170306433
2017-10-26

High toughness heat-treated steel pipe having three-layer structure and manufacturing method thereof

#209
20170298469
2017-10-19

Structural component including a tempered transition zone

#210
20170298463
2017-10-19

METHOD FOR PRODUCING METAL BAND MATERIAL WITH DIFFERENT MECHANICAL PROPERTIES ACROSS THE WIDTH OF THE BAND

#211
20170292169
2017-10-12

CONTROLLED DEFORMATIONS IN METALLIC PIECES

#212
20170290102
2017-10-05

Induction heating device for metal strip

#213
20170284476
2017-10-05

Tripod joint spider, method of manufacturing the same, and alloy steel applied thereto

#214
20170283903
2017-10-05

Process for producing grain-oriented electrical steel strip and grain-oriented electrical steel strip obtained according to said process

#215
20170275949
2017-09-28

Drill bit for drilling and method for manufacturing same

#216
20170268086
2017-09-21

RECOVERY HEAT TREATMENT OF HIGHLY STRAINED COMPONENTS

#217
20170260604
2017-09-14

Induction heating device for metal strip

#218
20170259384
2017-09-14

SYSTEM AND METHOD FOR ROBOTIC THERMAL TREATMENT BY HEAT INDUCTION

#219
20170253953
2017-09-07

Method of annealing aluminium alloy sheet material

#220
20170247774
2017-08-31

CONTINUOUS TAILOR HEAT-TREATED BLANKS

#221
20170226615
2017-08-10

Method for producing aluminum wire

#222
20170226609
2017-08-10

METHOD FOR PRODUCTION OF A NITRIDED PACKAGING STEEL

#223
20170218473
2017-08-03

Method for heating steel sheets and device for carrying out the method

#224
20170204488
2017-07-20

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

#225
20170203367
2017-07-20

SYNCHRONIZER HUB FOR VEHICLES AND METHOD FOR MANUFACTURING THE SAME

#226
20170198378
2017-07-13

Cartridge case induction annealing apparatus

#227
20170183757
2017-06-29

HOT STAMPING METHOD FOR MANUFACTURING VEHICLE BODY PARTS

#228
20170166986
2017-06-15

Highly alloyed stainless steel forgings made without solution anneal

#229
20170159147
2017-06-08

Tire rasp blade

#230
20170150553
2017-05-25

Heating apparatus and heating method

#231
20170145600
2017-05-25

All-steel fitting

#232
20170145528
2017-05-25

High Strength Iron-Based Alloys, Processes for Making Same, and Articles Resulting Therefrom

#233
20170144715
2017-05-25

Track pin with improved hardness profile and method of producing the same

#234
20170137062
2017-05-18

STRUCTURAL MEMBER FOR AUTOMOBILE BODY

#235
20170130316
2017-05-11

Low pressure induction carburization

#236
20170127482
2017-05-04

Transverse flux induction heating device

#237
20170101704
2017-04-13

Process for warm forming a hardened aluminum alloy

#238
20170101693
2017-04-13

Seamless steel pipe, method of producing a high strength seamless steel pipe, usage of a seamless steel pipe and perforation gun

#239
20170081738
2017-03-23

METHOD & METAL COMPONENT

#240
20170073793
2017-03-16

Heat treatment device, heat treatment method, and rail steel

#241
20170073782
2017-03-16

METHOD OF LOCAL HEAT TREATMENT FOR COLLISION PARTS OF VEHICLE USING HIGH FREQUENCY SIGNAL

#242
20170067140
2017-03-09

Steel for induction hardening

#243
20170067130
2017-03-09

Induction hardening apparatus, induction hardening method, induction heating coil, heat treatment apparatus, and heat treatment method

#244
20170066299
2017-03-09

Stabilizer bar and process of producing a stabilizer bar

#245
20170059529
2017-03-02

ADAPTIVE ADDITIVE MANUFACTURING PROCESS USING IN-SITU LASER ULTRASONIC TESTING

#246
20170056975
2017-03-02

Powder-bed additive manufacturing devices and methods

#247
20170051371
2017-02-23

Method and system for selectively softening hot stamped parts by induction heating

#248
20170044635
2017-02-16

Steel for surface-treated mechanical parts with high characteristics, and mechanical parts in this steel and manufacturing method thereof

#249
20170041988
2017-02-09

Apparatus and method for heating annular workpiece, and heating coil

#250
20170029918
2017-02-02

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

#251
20170029910
2017-02-02

Workpiece for induction hardening

#252
20170028452
2017-02-02

Rolling system

#253
20170021691
2017-01-26

STEEL FOR VEHICLE SUSPENSION SPRING PART, VEHICLE SUSPENSION SPRING PART, AND METHOD OF FABRICATING THE SAME

#254
20170016574
2017-01-19

Stress relieved welds in positive expulsion fuel tanks with elastomeric diaphragm

#255
20170016087
2017-01-19

High formability dual phase steel

#256
20170013682
2017-01-12

HIGH FREQUENCY INDUCTION CONTINUOUS HEATING METHOD AND HIGH FREQUENCY INDUCTION CONTINUOUS HEATING APPARATUS

#257
20170002439
2017-01-05

PLANT AND METHOD FOR THE PRODUCTION OF METAL

#258
20160377345
2016-12-29

Fast response heaters and associated control systems used in combination with metal treatment furnaces

#259
20160376678
2016-12-29

Inductor for an induction hardening system

#260
20160369366
2016-12-22

Heat-treatment device and heat-treatment method

#261
20160362757
2016-12-15

Induction heating apparatus, carriers, and methods for heat treating parts

#262
20160355903
2016-12-08

Apparatus for continuous annealing of strip and method for continuous annealing of same

#263
20160325620
2016-11-10

Stress relieved welds in positive expulsion fuel tanks with rolling metal diaphragms

#264
20160319392
2016-11-03

Cold rolled steel wire, method and reinforcement of flexible conduits

#265
20160316523
2016-10-27

Induction heating coil and induction heating method

#266
20160316522
2016-10-27

Method and apparatus for forming a heat-treated material

#267
20160311007
2016-10-27

Method for connecting a first component to a second component

#268
20160309648
2016-10-27

Reciprocating cutting blade with cladding

#269
20160298206
2016-10-13

Wellbore tubular air quenching

#270
20160298203
2016-10-13

High fatigue strength components requiring areas of high hardness

#271
20160288188
2016-10-06

Nickel plated zinc alloys for coinage

#272
20160279690
2016-09-29

Method for manufacturing a worked member using an induction heating coil

#273
20160265075
2016-09-15

Screw conveyor made of alloyed steel and tempered by electromagnetic induction or exposure to a flame

#274
20160262214
2016-09-08

Joining device and joining method

#275
20160230244
2016-08-11

Method for thermally treating ring-shaped member

#276
20160230243
2016-08-11

HEAT TREATMENT METHOD FOR RING-SHAPED MEMBER AND HEAT TREATMENT EQUIPMENT FOR RING-SHAPED MEMBER

#277
20160230242
2016-08-11

REGENERATIVE HEAT TREATMENT METHOD FOR HEAT-RESISTANT METAL MEMBER SUFFERING FROM CREEP DAMAGE

#278
20160228993
2016-08-11

Welding device comprising an active heating device for heating the workpiece

#279
20160222481
2016-08-04

SYSTEM AND METHOD FOR ANNEALING OF AN ITEM, WHICH COMPRISES HEAT-SENSITIVE PARTS AND ANNEALED ITEM

#280
20160221117
2016-08-04

Friction stir welding method for steel sheets and method of manufacturing joint

#281
20160215360
2016-07-28

Method for producing a steel component provided with a metallic coating providing protection against corosion

#282
20160214203
2016-07-28

Friction stir welding method for steel sheets and method of manufacturing joint

#283
20160208354
2016-07-21

Heat treatment method for steel material

#284
20160208353
2016-07-21

HEAT TREATMENT METHOD FOR RING-SHAPED MEMBER AND HEAT TREATMENT EQUIPMENT FOR RING-SHAPED MEMBER

#285
20160201730
2016-07-14

Method of manufacturing outer joint member of constant velocity universal joint, and outer joint member

#286
20160193749
2016-07-07

Tie strap with hardened integrated rivet for a saw chain

#287
20160160326
2016-06-09

Method and device for partially hardening semifinished products

#288
20160158844
2016-06-09

Method of producing alloyed metallic products

#289
20160153496
2016-06-02

METHOD FOR HEAT-TREATING A RING-SHAPED MEMBER, METHOD FOR PRODUCING A RING-SHAPED MEMBER, RING-SHAPED MEMBER, BEARING RING, ROLLING BEARING, AND METHOD FOR PRODUCING A BEARING RING

#290
20160153063
2016-06-02

Heavy wall electric resistance welded steel pipe for line pipe and method for manufacturing the same

#291
20160138124
2016-05-19

Jig and heating apparatus with a jig

#292
20160138121
2016-05-19

Heating apparatus, heat treatment apparatus, and heating method

#293
20160122841
2016-05-05

Soft nitrided induction hardened steel part

#294
20160111190
2016-04-21

Process for producing grain-oriented electrical steel strip

#295
20160108491
2016-04-21

Rolling bearing

#296
20160108488
2016-04-21

Process for producing grain-oriented electrical steel strip and grain-oriented electrical steel strip obtained according to said process

#297
20160108486
2016-04-21

Heat treatment apparatus and heat treatment method

#298
20160108485
2016-04-21

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

#299
20160102381
2016-04-14

Production method for plated steel sheet using a steel sheet annealing device

#300
20160100459
2016-04-07

Control unit of induction heating unit, induction heating system, and method of controlling induction heating unit