ClassID:

119926

C23C8/24 - 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 Nitriding

Sub-classes:
Recent Application in this class:
#1
20260150595
2026-05-28

MANUFACTURING METHOD FOR SEMICONDUCTOR DEVICE

#2
20260136901
2026-05-14

COPPER-BASED TUNNELING BARRIER LAYER FOR STRESS REDUCTION IN COPPER STRUCTURES AND METHODS FOR FORMING THE SAME

#3
20250364277
2025-11-27

GAS FLOW ACCELERATOR TO PREVENT BUILDUP OF PROCESSING BYPRODUCT IN A MAIN PUMPING LINE OF A SEMICONDUCTOR PROCESSING TOOL

#4
20250347003
2025-11-13

DUPLEX NANOCOMPOSITE COATING FORMED IN A SINGLE PHYSICAL VAPOR DEPOSITION DEVICE

#5
20250226210
2025-07-10

FILM FORMATION METHOD AND SUBSTRATE PROCESSING APPARATUS

#6
20240379349
2024-11-14

TREATMENTS TO ENHANCE MATERIAL STRUCTURES

#7
20240376585
2024-11-14

METHOD FOR APPLYING A PROTECTIVE LAYER TO A METAL OR METAL ALLOY SURFACE, AND ARTICLE COMPRISING SUCH PROTECTIVE LAYER

#8
20240337006
2024-10-10

Method for Manufacturing ScAlN Target

#9
20240258123
2024-08-01

GAS FLOW ACCELERATOR TO PREVENT BUILDUP OF PROCESSING BYPRODUCT IN A MAIN PUMPING LINE OF A SEMICONDUCTOR PROCESSING TOOL

#10
20240229207
2024-07-11

SURFACE HARDENING OF GROUP IV METALS

#11
20240133009
2024-04-25

SURFACE HARDENING OF GROUP IV METALS

#12
20230405183
2023-12-21

ORTHOPEDIC IMPLANTS WITH INCREASED HARDNESS AND INCREASED DEPTH OF HARDNESS AND METHOD OF MAKING

#13
20230349275
2023-11-02

HIGH CARBIDE CAST AUSTENITIC CORROSION RESISTANT ALLOYS

#14
20230304111
2023-09-28

HIGH-ENTROPY ALLOY AND METHOD OF HEAT-TREATING SAME

#15
20230257864
2023-08-17

Dual phase magnetic material component and method of its formation

#16
20230227955
2023-07-20

Hardened case-nitrided metal articles and methods of forming the same

#17
20230212731
2023-07-06

STEEL COMPONENT

#18
20230201928
2023-06-29

Fracturable support structure and method of forming the structure

#19
20230160051
2023-05-25

METHOD FOR MANUFACTURING CRYSTALLINE GALLIUM NITRIDE THIN FILM

#20
20230127138
2023-04-27

PLASMA PROCESSING WITH TUNABLE NITRIDATION

#21
20230097581
2023-03-30

METHOD OF PROCESSING SUBSTRATE, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, RECORDING MEDIUM, AND SUBSTRATE PROCESSING APPARATUS

#22
20230050837
2023-02-16

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

#23
20220406572
2022-12-22

Substrate processing method, substrate processing apparatus, and method for producing nanowire or nanosheet transistor

#24
20220341022
2022-10-27

METHOD AND DEVICE FOR PROMOTING ADHESION OF METALLIC SURFACES

#25
20220341020
2022-10-27

Dual phase magnetic material component and method of its formation

#26
20220290282
2022-09-15

Hardened case-nitrided metal articles and methods of forming the same

#27
20220259713
2022-08-18

Dental and medical instruments comprising titanium

#28
20220243318
2022-08-04

COATED FORMING TOOLS WITH ENHANCED PERFORMANCE AND INCREASED SERVICE LIFE

#29
20220178009
2022-06-09

Method for surface modification of titanium and titanium alloy substrates

#30
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

#31
20220093403
2022-03-24

Nitride capping of titanium material to improve barrier properties

#32
20220093296
2022-03-24

Preservation of strain in iron nitride magnet

#33
20220084809
2022-03-17

Deposition of silicon boron nitride films

#34
20220084799
2022-03-17

SEMICONDUCTOR MANUFACTURING APPARATUS

#35
20220064782
2022-03-03

Method for manufacturing ScAIN target

#36
20220037169
2022-02-03

Gas flow accelerator to prevent buildup of processing byproduct in a main pumping line of a semiconductor processing tool

#37
20220025505
2022-01-27

Method of preparing metal nitride, electrocatalyst wth the metal nitride and use thereof

#38
20220018010
2022-01-20

Method for increasing magnetic induction intensity of soft magnetic metallic materials

#39
20210355577
2021-11-18

PROCESS FOR COATING A CONDUCTIVE COMPONENT AND CONDUCTIVE COMPONENT COATING

#40
20210351015
2021-11-11

Nitriding apparatus and nitriding method

#41
20210310116
2021-10-07

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

#42
20210310115
2021-10-07

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

#43
20210308804
2021-10-07

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

#44
20210308803
2021-10-07

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

#45
20210308802
2021-10-07

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

#46
20210308801
2021-10-07

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

#47
20210285083
2021-09-16

Gradient material layer and method for manufacturing the same

#48
20210277891
2021-09-09

Axial piston-type hydraulic rotary machine

#49
20210238725
2021-08-05

Plasma Intrusion Process to Produce Cermet Armor

#50
20210147972
2021-05-20

Method and device for promoting adhesion of metallic surfaces

#51
20210123125
2021-04-29

Pre-treatment process of a surface of a metallic substrate

#52
20210079511
2021-03-18

Methods for in situ formation of dispersoids strengthened refractory alloy in 3D printing and/or additive manufacturing

#53
20210066074
2021-03-04

Method for processing a workpiece

#54
20210057215
2021-02-25

TREATMENTS TO ENHANCE MATERIAL STRUCTURES

#55
20200264566
2020-08-20

Zirconia covering element with selective coloring

#56
20200232707
2020-07-23

Method And Apparatus For Controlling The Nitriding Potential Of A Nitriding, Nitro-Carburizing Or Carbonitriding Atmosphere

#57
20200216940
2020-07-09

Metal Alloy For Medical Devices

#58
20200199730
2020-06-25

Effective and novel design for lower particle count and better wafer quality by diffusing the flow inside the chamber

#59
20200087797
2020-03-19

Modified oxide surface treatment layer for alloys and corresponding methods

#60
20200047253
2020-02-13

Methods Of Fabricating Ceramic Or Intermetallic Parts

#61
20190360444
2019-11-28

Valve and method for producing a valve

#62
20190338847
2019-11-07

Planetary gear carrier with hardened posts

#63
20190333715
2019-10-31

Method of making an energy storage article

#64
20190292646
2019-09-26

Case hardened component of titanium

#65
20190292641
2019-09-26

METHOD OF TREATING A WORKPIECE COMPRISING A TITANIUM METAL AND OBJECT

#66
20190204489
2019-07-04

Method for patterning film layer, wire grid polarizer and manufacturing method thereof

#67
20190169728
2019-06-06

METHOD FOR MANUFACTURING EDIBLE OIL DETERIORATION PREVENTING MEMBER, AND EDIBLE OIL DETERIORATION PREVENTING MEMBER

#68
20190079034
2019-03-14

METHOD AND DEVICE FOR DETERMINING CONCENTRATION OF GAS COMPONENTS IN A GAS MIXTURE

#69
20190078192
2019-03-14

Durable cosmetic finishes for titanium surfaces

#70
20190062893
2019-02-28

Method for producing at least one component for a hydraulic displacement unit

#71
20190024226
2019-01-24

METHOD OF MANUFACTURING A PIN FOR A MOLD FOR A DIE CASTING PROCESS

#72
20190009317
2019-01-10

Endless metal ring manufacturing method and endless metal ring resin removal device

#73
20190009316
2019-01-10

Endless metal ring manufacturing method and endless metal ring resin removal device

#74
20190008995
2019-01-10

Molybdenum alloys for medical devices

#75
20180363124
2018-12-20

Method and device for promoting adhesion of metallic surfaces

#76
20180306356
2018-10-25

WELDLESS TRANSFER TUBE ASSEMBLY

#77
20180305803
2018-10-25

Dental and medical instruments comprising titanium

#78
20180283497
2018-10-04

Chain component and chain

#79
20180268971
2018-09-20

Highly thermostable rare-earth permanent magnetic material, preparation method thereof and magnet containing the same

#80
20180245202
2018-08-30

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

#81
20180231102
2018-08-16

METHOD FOR MANUFACTURING ENDLESS METAL BELT, ENDLESS METAL BELT, AND BELT-TYPE CONTINUOUSLY VARIABLE TRANSMISSION

#82
20180155816
2018-06-07

Surface nitriding treatment method of titanium material

#83
20180023187
2018-01-25

Process for coating a conductive component and conductive component coating

#84
20180010229
2018-01-11

Duplex surface treatment for titanium alloys

#85
20180002815
2018-01-04

COLD SPRAY PROCESS USING TREATED METAL POWDER

#86
20170365381
2017-12-21

Preservation of strain in iron nitride magnet

#87
20170362694
2017-12-21

Dental and medical instruments comprising titanium

#88
20170356076
2017-12-14

Titanium alloy member and method for manufacturing the same

#89
20170349994
2017-12-07

Effective and novel design for lower particle count and better wafer quality by diffusing the flow inside the chamber

#90
20170283934
2017-10-05

Method for altering surface of metal, and metallic product

#91
20170247785
2017-08-31

REACTIVE DEPOSITION SYSTEMS AND ASSOCIATED METHODS

#92
20170226604
2017-08-10

Method for producing a retort for a nitriding furnace and retort

#93
20170218906
2017-08-03

Valve and method for producing a valve

#94
20170182558
2017-06-29

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

#95
20170165748
2017-06-15

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

#96
20170130311
2017-05-11

Oxidation controlled twin wire arc spray materials

#97
20170121810
2017-05-04

Sliding element, internal combustion engine and process for obtaining sliding element

#98
20170088931
2017-03-30

Durable cosmetic finishes for titanium surfaces

#99
20170050241
2017-02-23

Methods of fabricating ceramic or intermetallic parts

#100
20170008087
2017-01-12

Titanium powder containing solid-soluted nitrogen, titanium material, and method for producing titanium powder containing solid-soluted nitrogen

#101
20170001326
2017-01-05

RAZOR BLADE COATING

#102
20160348545
2016-12-01

Sliding mechanism

#103
20160325358
2016-11-10

Conditioning one or more additive manufactured objects

#104
20160319413
2016-11-03

METHOD FOR MANUFACTURING EDIBLE OIL DETERIORATION PREVENTING MEMBER, AND EDIBLE OIL DETERIORATION PREVENTING MEMBER

#105
20160237541
2016-08-18

Metal alloy for medical devices

#106
20160214177
2016-07-28

CORROSION AND WEAR RESISTANT COLD WORK TOOL STEEL

#107
20160208377
2016-07-21

TANTALUM SPUTTERING TARGET AND METHOD FOR PRODUCING SAME

#108
20160201184
2016-07-14

Modifying the surface chemistry of a material

#109
20160193749
2016-07-07

Tie strap with hardened integrated rivet for a saw chain

#110
20160193596
2016-07-07

Photocatalyst for water splitting, production method for same, and photoelectrode for water splitting

#111
20160168668
2016-06-16

Method of fabricating an aluminum matrix composite and an aluminum matrix composite fabricated by the same

#112
20160160327
2016-06-09

Steel for nitrocarburizing, nitrocarburized steel part, and producing method of nitrocarburized steel part

#113
20160158844
2016-06-09

Method of producing alloyed metallic products

#114
20160093898
2016-03-31

Three-dimensionally printed bipolar plate for a proton exchange membrane fuel cell

#115
20160076680
2016-03-17

Weldless transfer tube assembly

#116
20160040280
2016-02-11

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

#117
20160032442
2016-02-04

Enhanced activation of self-passivating metals

#118
20160032415
2016-02-04

Heat treat production fixture

#119
20160002765
2016-01-07

Method for producing surface-treated metal titanium material or titanium alloy material, and surface-treated material

#120
20150368780
2015-12-24

Surface layer hardened metal material and surface layer hardening method

#121
20150348684
2015-12-03

Magnetic material and method for producing magnetic material

#122
20150292640
2015-10-15

Engine valve

#123
20150252463
2015-09-10

Dental and medical instruments comprising titanium

#124
20150250559
2015-09-10

Dental and medical instruments comprising titanium

#125
20150250558
2015-09-10

Dental and medical instruments comprising titanium

#126
20150207154
2015-07-23

Fuel cell interconnector and method for making a fuel cell interconnector

#127
20150203953
2015-07-23

Diamond-coated substrates

#128
20150182068
2015-07-02

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

#129
20150167781
2015-06-18

Method for manufacturing endless metal belt, endless metal belt, and belt-type continuously variable transmission

#130
20150160416
2015-06-11

MULTIPLE LAYER HARDNESS FERRULE

#131
20150129087
2015-05-14

METHOD OF MAKING POROUS NITROGENIZED TITANIUM COATINGS FOR MEDICAL DEVICES

#132
20150089810
2015-04-02

Dental and medical instruments comprising titanium

#133
20150047748
2015-02-19

Method of improvement of mechanical properties of products made of metals and alloys

#134
20150010733
2015-01-08

Process for producing a printing surface

#135
20140352848
2014-12-04

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

#136
20140338795
2014-11-20

Method for manufacturing a titanium alloy for biomedical devices

#137
20140112819
2014-04-24

Titanium alloy member and production method therefor

#138
20140102593
2014-04-17

Method of heat treatment and the directions for use of furnace of heat treatment

#139
20140086783
2014-03-27

Process for manufacturing a reinforced alloy by plasma nitriding

#140
20140048182
2014-02-20

Surface treatment method for metal material and mold treated by surface treatment method

#141
20130304178
2013-11-14

Implant and method for manufacturing same

#142
20130297006
2013-11-07

Implant with increased carbon content at near-surface boundary layer

#143
20130292007
2013-11-07

High temperature nitriding of titanium parts

#144
20130248051
2013-09-26

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

#145
20130236737
2013-09-12

Metal foil for base material

#146
20130216421
2013-08-22

Method for forming a tubular medical device

#147
20130149183
2013-06-13

High-strength titanium alloy member and production method for same

#148
20130126049
2013-05-23

Process for carbonitriding metallic components

#149
20130112321
2013-05-09

Rapid discharge forming process for amorphous metal

#150
20130042992
2013-02-21

METHOD FOR SURFACE TREATMENT OF A DIE-CASTING DIE

#151
20130037174
2013-02-14

Method for nitriding surface of aluminum or aluminum alloy by cold spray method

#152
20130006320
2013-01-03

Thermal nitriding process for components of implantable medical devices

#153
20120325374
2012-12-27

DECORATIVE COMPONENT, TIMEPIECE, AND MANUFACTURING METHOD OF DECORATIVE COMPONENT

#154
20120325373
2012-12-27

METHOD FOR TREATMENT OF METAL SURFACE, AND SURFACE-MODIFIED METAL PRODUCT

#155
20120315208
2012-12-13

Crucible for photovoltaics

#156
20120291923
2012-11-22

Method of manufacturing a laminar ring

#157
20120272526
2012-11-01

Dental and medical instruments comprising titanium

#158
20120219409
2012-08-30

Pump used in gasification system

#159
20120168033
2012-07-05

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

#160
20120139160
2012-06-07

Low CTE slush molds with textured surface, and method of making and using the same

#161
20120132388
2012-05-31

Casting die

#162
20120118445
2012-05-17

Dental and medical instruments comprising titanium

#163
20120118435
2012-05-17

Method and apparatus for nitriding metal articles

#164
20120111456
2012-05-10

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

#165
20120103473
2012-05-03

METHOD FOR CARBONITRIDING

#166
20120048427
2012-03-01

Steel for nitrocarburizing, nitrocarburized steel part, and producing method of nitrocarburized steel part

#167
20120006785
2012-01-12

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

#168
20110269591
2011-11-03

Metal ring and method of producing the same

#169
20110259475
2011-10-27

Method of nitriding nickel-chromium-based superalloys

#170
20110236592
2011-09-29

METHOD FOR TREATING A METAL ELEMENT WITH ION BEAM

#171
20110214785
2011-09-08

Method for forming a tubular medical device

#172
20110209798
2011-09-01

Grain-oriented electrical steel sheet and manufacturing method thereof

#173
20110162758
2011-07-07

FURNACE OF HEAT TREATMENT, THE METHOD OF HEAT TREATMENT, AND THE DIRECTIONS FOR USE OF FURNACE OF HEAT TREATMENT

#174
20110155285
2011-06-30

Manufacturing method of grain-oriented electrical steel sheet

#175
20110151664
2011-06-23

Method of manufacturing multi-level metal thin film and apparatus for manufacturing the same

#176
20110120601
2011-05-26

Dental and medical instruments comprising titanium

#177
20110077732
2011-03-31

Implant and method for manufacturing same

#178
20110052797
2011-03-03

Low Temperature Plasma-Free Method for the Nitridation of Copper

#179
20110003481
2011-01-06

Method for manufacturing a semiconductor device

#180
20100287781
2010-11-18

Razor blade coating

#181
20100146753
2010-06-17

Method for increasing the strength of components

#182
20100107388
2010-05-06

Method for manufacturing piezoelectric device

#183
20100098964
2010-04-22

METHOD FOR THE PRODUCTION OF A COATING

#184
20100081292
2010-04-01

Gas treatment method and computer readable storage medium

#185
20100051141
2010-03-04

METHOD FOR ENHANCING FRETTING FATIGUE RESISTANCE OF ALLOYS

#186
20100021796
2010-01-28

Transition metal nitride, separator for fuel cells, fuel cell stack, fuel cell vehicle, method of manufacturing transition metal nitride, and method of manufacturing separator for fuel cells

#187
20090288809
2009-11-26

Method of manufacturing electrical discharge surface treatment-purpose electrode and electrical discharge surface treatment-purpose electrode

#188
20090155664
2009-06-18

TRANSITION METAL NITRIDE, SEPARATOR FOR FUEL CELLS, FUEL CELL STACK, FUEL CELL VEHICLE, METHOD OF MANUFACTURING TRANSITION METAL NITRIDE, AND METHOD OF MANUFACTURING SEPARATOR FOR FUEL CELLS

#189
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

#190
20090035213
2009-02-05

Process for producing crystalline titanium oxide coating film through electrolytic anodizing

#191
20090011526
2009-01-08

INCREASING AN ELECTRICAL RESISTANCE OF A RESISTOR BY NITRIDIZATION

#192
20080314754
2008-12-25

INCREASING AN ELECTRICAL RESISTANCE OF A RESISTOR BY NITRIDIZATION

#193
20080305647
2008-12-11

Method for manufacturing a semiconductor device

#194
20080113519
2008-05-15

METHOD AND APPARATUS FOR FORMING OXYNITRIDE FILM AND NITRIDE FILM, OXYNITRIDE FILM, NITRIDE FILM, AND SUBSTRATE

#195
20080102543
2008-05-01

Increasing an electrical resistance of a resistor by oxidation

#196
20080032260
2008-02-07

Dental and medical instruments comprising titanium

#197
20080011391
2008-01-17

Method for Producing Wear-Resistant and Fatigue-Resistant Edge Layers in Titanium Alloys, and Components Produced Therewith

#198
20080003376
2008-01-03

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

#199
20080000881
2008-01-03

Method of using a thermal plasma to produce a functionally graded composite surface layer on metals

#200
20070284255
2007-12-13

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

#201
20070267286
2007-11-22

Increasing an electrical resistance of a resistor by nitridization

#202
20070190801
2007-08-16

Method and apparatus for forming oxynitride film and nitride film, oxynitride film, nitride film, and substrate

#203
20070187812
2007-08-16

Method for processing copper surface, method for forming copper pattern wiring and semiconductor device manufactured using such method

#204
20070031639
2007-02-08

Articles having low wettability and methods for making

#205
20070012138
2007-01-18

Gas-phase alloying of metallic materials

#206
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

#207
20060183635
2006-08-17

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

#208
20060138718
2006-06-29

Systems and methods for controlling heat treating atmospheres and processes based upon measurement of ammonia concentration

#209
20060120644
2006-06-08

Self-lubricating bearing

#210
20060054247
2006-03-16

Nitrided mo alloy worked material having high corrosion resistance, high strength and high toughness and method for production thereof

#211
20060048866
2006-03-09

High strength high toughness Mo alloy worked material and method for production thereof

#212
20060048862
2006-03-09

Surface hardening of Ti alloys by gas-phase nitridation: kinetic control of the nitrogen activity

#213
20060048857
2006-03-09

Method for processing alloys via high-current density ion implantation

#214
20050191523
2005-09-01

Conjugated polymer doped nanocomposite silica thin films

#215
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

#216
20050164041
2005-07-28

Medical device having a smooth, hardened surface

#217
20050059257
2005-03-17

Highly crystalline aluminum nitride multi-layered substrate and production process thereof

#218
17181094
2024-01-09

Blender blade formed of titanium or titanium alloy

#219
16562164
2020-11-17

Nitrided titanium surfaces with a natural titanium color

#220
15639001
2020-03-31

Production method of soft magnetic metal powder