ClassID:

119924

C23C8/20 - CPC Classification

Classification description:

Solid state diffusion of only non-metal elements into metallic material surfaces ; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied Carburising

Sub-classes:
Recent Application in this class:
#1
20260086503
2026-03-26

NON-MAGNETIC PIVOT AXIS

#2
20250226210
2025-07-10

FILM FORMATION METHOD AND SUBSTRATE PROCESSING APPARATUS

#3
20250223250
2025-07-10

METHODS FOR OXIDATION OF METHANE TO METHANOL, SYSTEMS FOR OXIDATION OF METHANE TO METHANOL, AND DEVICES FOR OXIDATION OF METHANE TO METHANOL

#4
20230349275
2023-11-02

HIGH CARBIDE CAST AUSTENITIC CORROSION RESISTANT ALLOYS

#5
20230050837
2023-02-16

Method for forming binder-free refractory carbide, nitride and boride coatings with a controlled porosity

#6
20230023716
2023-01-26

GRADIENT CEMENTED CARBIDE WITH ALTERNATIVE BINDER

#7
20220252348
2022-08-11

HEAT TREATMENT MEMBER AND HEAT TREATMENT STRUCTURE

#8
20220155729
2022-05-19

Method for depositing a decorative and/or functional metal layer on a surface of an article made of an electrically non-conductive ceramic material

#9
20220018010
2022-01-20

Method for increasing magnetic induction intensity of soft magnetic metallic materials

#10
20210355577
2021-11-18

PROCESS FOR COATING A CONDUCTIVE COMPONENT AND CONDUCTIVE COMPONENT COATING

#11
20210308804
2021-10-07

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

#12
20210308803
2021-10-07

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

#13
20210308802
2021-10-07

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

#14
20210308801
2021-10-07

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

#15
20210246539
2021-08-12

Heat treatment apparatus

#16
20210197262
2021-07-01

SYSTEMS AND METHODS FOR ADDITIVE MANUFACTURING SUPPORT REMOVAL AND SURFACE FINISH ENHANCEMENT

#17
20210172045
2021-06-10

HEAT-TREATMENT TRAY MEMBER AND HEAT-TREATMENT STACKED STRUCTURE

#18
20210123125
2021-04-29

Pre-treatment process of a surface of a metallic substrate

#19
20200340074
2020-10-29

Methods of manufacturing hypoid gears

#20
20200264566
2020-08-20

Zirconia covering element with selective coloring

#21
20200095667
2020-03-26

Multi-chamber heat treatment device

#22
20200047253
2020-02-13

Methods Of Fabricating Ceramic Or Intermetallic Parts

#23
20200040414
2020-02-06

Methods and processes of forming gears

#24
20190338847
2019-11-07

Planetary gear carrier with hardened posts

#25
20190316217
2019-10-17

Vacuum heat treatment apparatus

#26
20190127836
2019-05-02

Heat treatment facility

#27
20190093208
2019-03-28

Low temperature carburization under soft vacuum

#28
20190078192
2019-03-14

Durable cosmetic finishes for titanium surfaces

#29
20180355463
2018-12-13

Atmospheric-pressure acetylene carburizing furnace

#30
20180327934
2018-11-15

Method for manufacturing carbon nanostructure, and device for manufacturing carbon nanostructure

#31
20180320261
2018-11-08

Low temperature carburizing method and carburizing apparatus

#32
20180254164
2018-09-06

Carburized LaOand LuOco-doped Mo filament cathode

#33
20180245202
2018-08-30

Wear resistant vapor deposited coating, method of coating deposition and applications therefor

#34
20180127862
2018-05-10

Cutting tool

#35
20180080113
2018-03-22

Carburization device and carburization method

#36
20180023187
2018-01-25

Process for coating a conductive component and conductive component coating

#37
20180016650
2018-01-18

Methods and processes of forming gears

#38
20170370648
2017-12-28

Heat treatment system

#39
20170353995
2017-12-07

Heater unit and carburizing furnace

#40
20170328135
2017-11-16

Roller cone drill bit with improved erosion resistance

#41
20170216914
2017-08-03

Conductive filler, method for manufacturing conductive filler, and conductive paste

#42
20170182558
2017-06-29

Use of reactive fluids in additive manufacturing and the products made therefrom

#43
20170176495
2017-06-22

Coated probe tips for plunger pins of an integrated circuit package test system

#44
20170165748
2017-06-15

METHOD AND APPARATUS FOR PRODUCING POWDER AND METHOD FOR MANUFACTURING SHAPED OBJECT

#45
20170162425
2017-06-08

Susceptor and method for manufacturing same

#46
20170130311
2017-05-11

Oxidation controlled twin wire arc spray materials

#47
20170114441
2017-04-27

Method and device for hardening workpieces, and workpieces hardened according to the method

#48
20170088931
2017-03-30

Durable cosmetic finishes for titanium surfaces

#49
20170050241
2017-02-23

Methods of fabricating ceramic or intermetallic parts

#50
20170044654
2017-02-16

Method and device of surface-treating a metallic part

#51
20170022596
2017-01-26

Carburizing device

#52
20160376692
2016-12-29

Process for treating a piece of tantalum or of a tantalum alloy

#53
20160348969
2016-12-01

HEAT TREATMENT DEVICE

#54
20160348545
2016-12-01

Sliding mechanism

#55
20160312352
2016-10-27

Carburizing device

#56
20160273065
2016-09-22

Process gas preparation apparatus for an industrial furnace system and an industrial furnace system for gas carburizing and hardening of metal workpieces utilizing same

#57
20160246179
2016-08-25

Mirror, in particular for a microlithographic projection exposure apparatus

#58
20160223259
2016-08-04

Multi-chamber furnace for vacuum carburizing and quenching of gears, shafts, rings and similar workpieces

#59
20160193749
2016-07-07

Tie strap with hardened integrated rivet for a saw chain

#60
20160158844
2016-06-09

Method of producing alloyed metallic products

#61
20160123951
2016-05-05

Software and Method of Calculation of Carbon Concentration Distribution

#62
20160121177
2016-05-05

Casting and pressing method for manufacturing a golf club head having an embedded heterogeneous material

#63
20160083831
2016-03-24

Low temperature carburization under soft vacuum

#64
20160040280
2016-02-11

Wear resistant vapor deposited coating, method of coating deposition and applications therefor

#65
20160032442
2016-02-04

Enhanced activation of self-passivating metals

#66
20160002747
2016-01-07

Process for treating steel alloys for gears

#67
20150336171
2015-11-26

Additive manufacturing for elevated-temperature ductility and stress rupture life

#68
20150325863
2015-11-12

MATERIAL FOR FUEL CELL SEPARATORS AND METHOD FOR PRODUCING SAME

#69
20150299887
2015-10-22

DIELECTRIC AND METHOD FOR PRODUCING THE SAME, AND ELECTROLYTIC CAPACITOR

#70
20150275346
2015-10-01

HEAT TREATMENT APPARATUS

#71
20150182068
2015-07-02

Process for manufacturing a cookware article with electroformed silver or silver alloy interior

#72
20150075418
2015-03-19

CRUCIBLES MADE WITH THE COLD FORM PROCESS

#73
20150059930
2015-03-05

Groove manufacturing method

#74
20150056427
2015-02-26

Removable mask for coating a substrate

#75
20150013848
2015-01-15

Method for Manufacturing A Torque Transmission Mechanism

#76
20140352848
2014-12-04

Method for adjusting pore size of porous metal material and pore structure of porous metal material

#77
20140239944
2014-08-28

Carburization sensing method

#78
20140239520
2014-08-28

Packed tower

#79
20140120250
2014-05-01

Surface-treated mold and method of producing surface-treated mold

#80
20140076083
2014-03-20

Method of manufacturing an integrated member

#81
20140017509
2014-01-16

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

#82
20130304178
2013-11-14

Implant and method for manufacturing same

#83
20130297006
2013-11-07

Implant with increased carbon content at near-surface boundary layer

#84
20130248051
2013-09-26

METHOD OF FORMING RIGID LAYER ON TITANIUM AND TITANIUM ALLOY HAVING RIGID LAYER FORMED BY THE SAME

#85
20130157131
2013-06-20

Electrically conductive layer coated aluminum material and method for manufacturing the same

#86
20130126049
2013-05-23

Process for carbonitriding metallic components

#87
20130019796
2013-01-24

Continuous gas carburizing furnace

#88
20120325372
2012-12-27

Method for reduction of time in a gas carburizing process and cooling apparatus utilizing a high speed quenching oil flow rate

#89
20120301723
2012-11-29

Tantalum carbide-coated carbon material and manufacturing method for same

#90
20120291699
2012-11-22

CRUCIBLES MADE WITH THE COLD FORM PROCESS

#91
20120267009
2012-10-25

Composite steel part and manufacturing method for the same

#92
20120219409
2012-08-30

Pump used in gasification system

#93
20120180717
2012-07-19

Vacuum carburization method and vacuum carburization apparatus

#94
20120175639
2012-07-12

TANTALUM CARBIDE, METHOD FOR PRODUCING TANTALUM CARBIDE, TANTALUM CARBIDE WIRING AND TANTALUM CARBIDE ELECTRODE

#95
20120168033
2012-07-05

Method and device for hardening work pieces and workpieces hardened according to said method

#96
20120111456
2012-05-10

Method of activating an article of passive ferrous or non-ferrous metal prior to carburising, nitriding and /or nitrocarburising

#97
20120103473
2012-05-03

METHOD FOR CARBONITRIDING

#98
20120085465
2012-04-12

Carburized component and manufacturing method

#99
20120060977
2012-03-15

Method of manufacturing carburized parts

#100
20120006785
2012-01-12

Wear resistant vapor deposited coating, method of coating deposition and applications therefor

#101
20110284132
2011-11-24

METHOD FOR REDUCTION OF TIME IN A GAS CARBURIZING PROCESS AND COOLING APPARATUS

#102
20110277887
2011-11-17

Method for carburizing workpieces and its application

#103
20110272637
2011-11-10

Method for producing a gaseous atmosphere for treating metals

#104
20110236592
2011-09-29

METHOD FOR TREATING A METAL ELEMENT WITH ION BEAM

#105
20110127403
2011-06-02

Surface-treated mold and method of producing surface-treated mold

#106
20110077732
2011-03-31

Implant and method for manufacturing same

#107
20110067784
2011-03-24

PROCESS FOR THE LOW-PRESSURE CARBURISATION OF METAL WORKPIECES

#108
20110030849
2011-02-10

Low temperature carburization under soft vacuum

#109
20100284895
2010-11-11

Tantalum carbide, method for producing tantalum carbide, tantalum carbide wiring and tantalum carbide electrode

#110
20100276036
2010-11-04

Carburization process for stabilizing nickel-based superalloys

#111
20100159235
2010-06-24

Wear component with a carburized case

#112
20100154936
2010-06-24

PROTECTIVE COATING AND PROCESS FOR PRODUCING THE SAME

#113
20100116377
2010-05-13

HYBRID CARBURIZATION WITH INTERMEDIATE RAPID QUENCH

#114
20090320962
2009-12-31

CARBURIZING APPARATUS AND CARBURIZING METHOD

#115
20090314388
2009-12-24

Method and device for thermal treatment of metallic materials

#116
20090202187
2009-08-13

Non-magnetizable rolling bearing component of an austenitic material and method of making such a rolling bearing component

#117
20090197112
2009-08-06

Method for Substrate Stabilization of Diffusion Aluminide Coated Nickel-Based Superalloys

#118
20090178733
2009-07-16

Carburizing in hydrocarbon gas

#119
20090142721
2009-06-04

Atmosphere heat treatment apparatus and method of operating the same

#120
20090133534
2009-05-28

Solid-solution powder, method to prepare the solid-solution powder, cermet powder including the solid-solution powder, method to prepare the cermet powder, cermet using the cermet powder and method to prepare the cermet

#121
20090104041
2009-04-23

TITANIUM TREATMENT TO MINIMIZE FRETTING

#122
20090074972
2009-03-19

Method for substrate stabilization of diffusion aluminide coated nickel-based superalloys

#123
20090007542
2009-01-08

Titanium treatment to minimize fretting

#124
20080277029
2008-11-13

Method and measurement system for the control of an active charge surface in the low pressure carburizing process

#125
20080257455
2008-10-23

Surface carburization technique of medical titanium alloy femoral head in hip arthroplasty

#126
20080216922
2008-09-11

Vacuum carburization method and vacuum carburization apparatus

#127
20080199633
2008-08-21

Method of making the luminous tapeline

#128
20080187778
2008-08-07

Cemented carbide body

#129
20080149227
2008-06-26

Method for oxygen free carburization in atmospheric pressure furnaces

#130
20080149225
2008-06-26

METHOD FOR OXYGEN FREE CARBURIZATION IN ATMOSPHERIC PRESSURE FURNACES

#131
20080148800
2008-06-26

Method of manufacture using heat forming

#132
20080084011
2008-04-10

Low Pressure Thermochemical Treatment Machine

#133
20080073002
2008-03-27

Carburization treatment method and carburization treatment apparatus

#134
20080073001
2008-03-27

Vacuum carburization processing method and vacuum carburization processing apparatus

#135
20080023110
2008-01-31

Metal article with high interstitial content

#136
20080006346
2008-01-10

Vacuum carburizing apparatus

#137
20080003376
2008-01-03

Nitriding Method for Improving Surface Characteristics of Cobalt-Chromium Based Alloys

#138
20070295428
2007-12-27

Carburizing apparatus and carburizing method

#139
20070284255
2007-12-13

Wear resistant vapor deposited coating, method of coating deposition and applications therefor

#140
20070254461
2007-11-01

Transistor having an embedded tensile strain layer with reduced offset to the gate electrode and a method for forming the same

#141
20070066053
2007-03-22

Method for producing substrate having carbon-doped titanium oxide layer

#142
20070062612
2007-03-22

Carburizing treatment apparatus and method

#143
20070059501
2007-03-15

Tantalum carbide, method for producing tantalum carbide, tantalum carbide wiring and tantalum carbide electrode

#144
20070048512
2007-03-01

Functionalization of porous materials by vacuum deposition of polymers

#145
20070044866
2007-03-01

Carburized machine parts

#146
20070040278
2007-02-22

Multifunctional material having carbon-doped titanium oxide layer

#147
20070031639
2007-02-08

Articles having low wettability and methods for making

#148
20070020477
2007-01-25

Cemented carbide body

#149
20060289088
2006-12-28

Titanium treatment to minimize fretting

#150
20060257642
2006-11-16

Functionalization of porous materials by vacuum deposition of polymers

#151
20060223015
2006-10-05

Heat treatment method and heat treatment apparatus

#152
20060216192
2006-09-28

Solid-solution powder, method to prepare the solid-solution powder, cermet powder including the solid-solution powder, method to prepare the cermet powder, cermet using the cermet powder and method to prepare the cermet

#153
20060183635
2006-08-17

Atmosphere heat treatment cocatalyst, method of its application, heat treatment method and heat treatment atmosphere of using the cocatalyst

#154
20060172134
2006-08-03

Carbon-coated aluminum and method for producing same

#155
20060171102
2006-08-03

Foil for negative electrode of capacitor and process for producing the same

#156
20060150907
2006-07-13

Method and device for blacking components

#157
20060124203
2006-06-15

Method of continuous vacuum carburization of metal wire, metal band or metal pipe and apparatus therefor

#158
20060108719
2006-05-25

Vacuum carburizing method and device

#159
20060048857
2006-03-09

Method for processing alloys via high-current density ion implantation

#160
20050205645
2005-09-22

Refined aluminium strip or sheet for electrolytic capacitors

#161
20050180875
2005-08-18

Solid-solution powder, method to prepare the solid-solution powder, cermet powder including the solid-solution powder, method to prepare the cermet powder, cermet using the cermet powder and method to prepare the cermet

#162
20050109278
2005-05-26

Method to locally protect extreme ultraviolet multilayer blanks used for lithography

#163
20050016831
2005-01-27

Generation of acetylene for on-site use in carburization and other processes

#164
14097509
2016-07-12

Fatigue test specimen