ClassID:

119773

C22C38/36 - CPC Classification

Classification description:

Ferrous alloys, e.g. steel alloys containing chromium with more than 1.7% by weight of carbon

Recent Application in this class:
#1
20250223678
2025-07-10

ELECTRIC RESISTANCE WELDED STEEL PIPE OR TUBE AND PRODUCTION METHOD THEREFOR

#2
20240167135
2024-05-23

CARBIDE REFINING METHOD OF HIGH-CARBON HIGH-ALLOY STEEL

#3
20230392240
2023-12-07

High carbon martensitic stainless steel

#4
20230249250
2023-08-10

INFILTRATED FERROUS MATERIALS

#5
20220105568
2022-04-07

3D PRINTED HIGH CARBON CONTENT STEEL AND METHOD OF PREPARING THE SAME

#6
20220010415
2022-01-13

Material Composition For A Coating For Components Of Internal Combustion Engines

#7
20210285079
2021-09-16

HIGH HARD PHASE FRACTION NON-MAGNETIC ALLOYS

#8
20210147967
2021-05-20

Iron based alloy suitable for providing a hard and wear resistant coating on a substrate, article having a hard and wear resistant coating, and method for its manufacture

#9
20200384541
2020-12-10

Methods of making metal matrix composite and alloy articles

#10
20200332403
2020-10-22

Iron-based sintered alloy and method for producing the same

#11
20200283876
2020-09-10

High hardness 3D printed steel product

#12
20200246877
2020-08-06

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

#13
20190382875
2019-12-19

High Strength Steel Alloys With Ductility Characteristics

#14
20190275619
2019-09-12

Crack resistant hardfacing alloys

#15
20190271052
2019-09-05

Steel sheet and method for producing the same

#16
20190226067
2019-07-25

High-strength steel sheet and production method therefor

#17
20190185976
2019-06-20

Steel Material That is Produced via Powder Metallurgy, Method for Producing a Component from Such a Steel Material and Component Produced from the Steel Material

#18
20190185975
2019-06-20

Erosion and corrosion resistant white cast irons

#19
20180147636
2018-05-31

Method for producing high-speed tool steel material, method for producing high-speed tool steel product, and high-speed tool steel product

#20
20180135144
2018-05-17

Cold working tool material and cold working tool manufacturing method

#21
20180080095
2018-03-22

Powder metallurgically manufactured high speed steel

#22
20180066345
2018-03-08

NON-MAGNETIC METAL ALLOY COMPOSITIONS AND APPLICATIONS

#23
20180056453
2018-03-01

HIGH SURFACE ROUGHNESS ALLOY FOR CLADDING APPLICATIONS

#24
20170327920
2017-11-16

Cold work tool and method for manufacturing same

#25
20170211167
2017-07-27

Powder metallurgy wear-resistant tool steel

#26
20170209906
2017-07-27

CENTRIFUGAL CAST CALIBER ROLL FOR HOT ROLLING MILL (AS AMENDED)

#27
20170129016
2017-05-11

POWDERED METAL ALLOY COMPOSITION FOR WEAR AND TEMPERATURE RESISTANCE APPLICATIONS AND METHOD OF PRODUCING SAME

#28
20170129015
2017-05-11

Methods of making metal matrix composite and alloy articles

#29
20170080531
2017-03-23

Crack resistant hardfacing alloys

#30
20170067138
2017-03-09

Non-magnetic, strong carbide forming alloys for powder manufacture

#31
20170043347
2017-02-16

WEAR RESISTANT COMPONENT AND DEVICE FOR MECHANICAL DECOMPOSITION OF A MATERIAL PROVIDED WITH SUCH A COMPONENT

#32
20170023412
2017-01-26

Detection device comprising an improved cold finger

#33
20170016099
2017-01-19

Cold work tool steel

#34
20160376687
2016-12-29

Iron-based sintered alloy and method for producing the same

#35
20160355899
2016-12-08

Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof

#36
20160348629
2016-12-01

FUEL INJECTOR

#37
20160348222
2016-12-01

Centrifugal atomization of iron-based alloys

#38
20160346837
2016-12-01

Alloy powder, and shot material for shot peening, powder metallurgical composition and iron-based sintered alloy using the same

#39
20160289804
2016-10-06

Sintered alloy and production method therefor

#40
20160245132
2016-08-25

Iron-based alloys and methods of making and use thereof

#41
20160221083
2016-08-04

Infiltrated ferrous materials

#42
20160193660
2016-07-07

Cladded articles and methods of making the same

#43
20160168670
2016-06-16

Tough and wear resistant ferrous alloys containing multiple hardphases

#44
20160160700
2016-06-09

SINTERED ALLOY VALVE GUIDE AND ITS PRODUCTION METHOD

#45
20160145725
2016-05-26

High ductility steel alloys with mixed microconstituent structure

#46
20160052059
2016-02-25

Compact for producing a sintered alloy, a wear-resistant iron-based sintered alloy, and a method for producing the same

#47
20150367454
2015-12-24

THERMAL SPRAY PROCESSES AND ALLOYS FOR USE IN SAME

#48
20150354036
2015-12-10

Crack resistant hardfacing alloys

#49
20150337417
2015-11-26

Microstructure of high-alloy steel and a heat treatment method of producing the same

#50
20150328680
2015-11-19

Layered construction of metallic materials

#51
20150323009
2015-11-12

Method for manufacturing a ball bearing, notably for a butterfly valve in an aeronautical environment

#52
20150299834
2015-10-22

High-strength steel sheet and method for producing the same

#53
20150275341
2015-10-01

NON-MAGNETIC METAL ALLOY COMPOSITIONS AND APPLICATIONS

#54
20150247224
2015-09-03

TiC-PARTICLE-REINFORCED HIGH STRENGTH AND LOW DENSITY STEEL PRODUCTS WITH IMPROVED E-MODULUS AND METHOD FOR PRODUCING SAID PRODUCT

#55
20150152753
2015-06-04

Sintered iron-based alloy valve seat

#56
20150078951
2015-03-19

POWDER METALLURGICALLY MANUFACTURED HIGH SPEED STEEL

#57
20150076386
2015-03-19

Iron-based alloys and methods of making and use thereof

#58
20150023623
2015-01-22

Bearing component

#59
20140373588
2014-12-25

Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same

#60
20140356220
2014-12-04

WEAR RESISTANT AUSTENITIC STEEL HAVING SUPERIOR MACHINABILITY AND DUCTILITY, AND METHOD FOR PRODUCING SAME

#61
20140353285
2014-12-04

High boron hardfacing electrode

#62
20140131338
2014-05-15

Metal cored welding wire, hardband alloy and method

#63
20140105780
2014-04-17

Non-magnetic metal alloy compositions and applications

#64
20140096858
2014-04-10

Apparatus for manufacturing compound powder, method of manufacturing iron-boron compound powder by using the apparatus, boron alloy powder mixture, method of manufacturing the boron alloy powder mixture, combined powder structure, method of manufacturing the combined powder structure, steel pipe, and method of manufacturing the steel pipe

#65
20140027022
2014-01-30

Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof

#66
20130260177
2013-10-03

Abrasion and corrosion resistant alloy and hardfacing/cladding applications

#67
20130224516
2013-08-29

Coating compositions, applications thereof, and methods of forming

#68
20130195709
2013-08-01

METAL-BASE ALLOY PRODUCT AND METHODS FOR PRODUCING THE SAME

#69
20130157081
2013-06-20

Machine component with a cavitation resistant coating

#70
20110070119
2011-03-24

Manufacture of composite components by powder metallurgy

#71
20110067796
2011-03-24

Slurry-based manufacture of thin wall metal components

#72
20110064963
2011-03-17

THERMAL SPRAY PROCESSES AND ALLOYS FOR USE IN SAME

#73
20110002806
2011-01-06

High-alloy cold work die steel

#74
20100319642
2010-12-23

Roller follower, valve train, induction hardening apparatus, method of heat treatment of shaft member, method of manufacturing shaft, and shaft

#75
20100233015
2010-09-16

Stainless Steel Sheet for Structural Components Excellent in Impact Absorption Property

#76
20090257903
2009-10-15

Powder Metallurgically Manufactured High Speed Steel

#77
20090252636
2009-10-08

Powdered metal alloy composition for wear and temperature resistance applications and method of producing same

#78
20090180917
2009-07-16

HIGH STRENGTH ALLOY

#79
20090123323
2009-05-14

ALLOY COMPOSITIONS SUITABLE FOR MOLTEN MAGNESIUM ENVIRONMENTS

#80
20090010795
2009-01-08

Cold-Working Steel

#81
20080226936
2008-09-18

Centrifugally cast external layer for rolling roll and method for manufacture thereof

#82
20080096037
2008-04-24

Sreading knives, doctor blades and crepe scrapers and powder metallurgical method for producing the same

#83
20070292299
2007-12-20

Method to obtain a manganese steel alloy

#84
20070204940
2007-09-06

Rolling/sliding member, toroidal continuously variable transmission using the same method of manufacturing rolling/sliding member

#85
20070056657
2007-03-15

Corrosion and wear resistant alloy

#86
20070017273
2007-01-25

Warm forming of metal alloys at high and stretch rates

#87
20060249230
2006-11-09

Corrosion and wear resistant alloy

#88
20060231172
2006-10-19

Process for producing steel article

#89
20050204866
2005-09-22

Alloy composition suitable for molten magnesium environments

#90
20050139294
2005-06-30

Fe-based hardfacing alloy