ClassID:

119744

C22C37/04 - CPC Classification

Classification description:

Cast-iron alloys containing spheroidal graphite

Recent Application in this class:
#1
20250283187
2025-09-11

ADDITIVE FOR TREATING MOLTEN IRON TO PRODUCE CAST IRON WITH ZERO CONTRACTION AND WITH LONSDALEITE-TYPE SPHEROIDAL GRAPHITE

#2
20250122600
2025-04-17

GRADE OF DUCTILE IRON WITH REINFORCED FERRITIC MATRIX

#3
20240167126
2024-05-23

Spheroidal Graphite Cast Iron, Method for Manufacturing Spheroidal Graphite Cast Iron, and Spheroidizing Treatment Agent

#4
20240124960
2024-04-18

Cast Iron Material, Use of a Cast Iron Material and Method Manufacturing And/or Lining a Forming Tool

#5
20240035126
2024-02-01

METHOD FOR INCREASING THE QUALITY OF GRAPHITE BALLS

#6
20230392237
2023-12-07

SPHEROIDAL GRAPHITE CAST IRON, CAST ARTICLE AND AUTOMOBILE STRUCTURE PART MADE THEREOF, AND METHOD FOR PRODUCING SPHEROIDAL GRAPHITE CAST IRON ARTICLE

#7
20230160044
2023-05-25

Ferritic spheroidal graphite cast iron, differential case, and differential device

#8
20230085990
2023-03-23

Cast iron alloy for automotive engine applications with superior high temperature oxidation properties

#9
20230055808
2023-02-23

SCROLL COMPRESSOR WITH A COMPRESSION SECTION MADE OF SOLID SOLUTION STRENGTHENED FERRITIC DUCTILE IRON

#10
20220364195
2022-11-17

METHOD OF MANUFACTURING CAM PIECE FOR CONTINUOUSLY VARIABLE VALVE DURATION AND CAM PIECE MANUFACTURED THEREFROM

#11
20220339685
2022-10-27

Centrifugally cast composite roll for hot rolling

#12
20220325390
2022-10-13

Method for controlling amount of silicon added to ductile cast iron, method for casting ductile cast iron, and cast product

#13
20220275467
2022-09-01

Spherical graphite cast iron semi-solid casting method and semi-solid cast product

#14
20220243308
2022-08-04

SPHEROIDAL GRAPHITE CAST IRON, CAST ARTICLE AND AUTOMOBILE STRUCTURE PART MADE THEREOF, AND METHOD FOR PRODUCING SPHEROIDAL GRAPHITE CAST IRON ARTICLE

#15
20220243294
2022-08-04

ADDITIVE FOR TREATING MOLTEN IRON TO PRODUCE CAST IRON WITH ZERO CONTRACTION AND WITH LONSDALEITE-TYPE SPHEROIDAL GRAPHITE

#16
20220213568
2022-07-07

Spheroidal graphite cast iron and method of producing spheroidal graphite cast iron, and vehicle undercarriage parts

#17
20200340069
2020-10-29

Cast iron inoculant and method for production of cast iron inoculant

#18
20200283859
2020-09-10

SPHERICAL GRAPHITE CAST IRON SEMI-SOLID CASTING METHOD AND SEMI-SOLID CAST PRODUCT

#19
20200181726
2020-06-11

Method of manufacturing cam piece for continuously variable valve duration and cam piece manufactured therefrom

#20
20200131606
2020-04-30

HIGH-STRENGTH NODULAR IRON WITH GOOD WELDABILITY AND MACHINABILITY

#21
20190264304
2019-08-29

DUCTILE IRON ALLOYS AND MATERIALS INCLUDING A THIN-WALL LAYER OF A DUCTILE IRON ALLOY

#22
20190218935
2019-07-18

Iron material for high-temperature-resistant bearing bushings, bearing bushing made of said material, and turbocharger having such a bearing bushing

#23
20190211426
2019-07-11

Spheroidal graphite cast iron

#24
20190203308
2019-07-04

Cast iron inoculant and method for production of cast iron inoculant

#25
20190194771
2019-06-27

Self-lubricating rolling bearing and preparation method therefor

#26
20190144978
2019-05-16

CAST IRON MATERIAL

#27
20190071756
2019-03-07

SPHEROIDAL GRAPHITE CAST IRON, CAST ARTICLE AND AUTOMOBILE STRUCTURE PART MADE THEREOF, AND METHOD FOR PRODUCING SPHEROIDAL GRAPHITE CAST IRON ARTICLE

#28
20190055631
2019-02-21

Spheroidal Graphite Cast Iron Excellent in Gas Defect Resistance

#29
20180274066
2018-09-27

NODULAR CAST ALLOY

#30
20180209020
2018-07-26

FERRITIC CAST IRON HAVING SPHEROIDAL GRAPHITE

#31
20180148805
2018-05-31

METHOD FOR TREATING MOLTEN CAST IRON

#32
20180112294
2018-04-26

High rigid spheroidal graphite cast iron

#33
20170314105
2017-11-02

Ductile iron composition and process of forming a ductile iron component

#34
20170314104
2017-11-02

Ductile iron composition and process of forming a ductile iron component

#35
20170268082
2017-09-21

High strength cast iron for cylinder liners

#36
20170260608
2017-09-14

Cast-iron alloy, and corresponding part and production method

#37
20170218488
2017-08-03

NODULAR GRAPHITE CAST IRON FOR PISTONS, ONE-PIECE PISTON, AND MARINE ENGINE

#38
20170211507
2017-07-27

Cylinder liner and method of forming the same

#39
20170209906
2017-07-27

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

#40
20170136537
2017-05-18

MODIFICATION BODY

#41
20170073798
2017-03-16

Heat resistant spheroidal graphite cast iron, method of manufacturing the same and engine exhaust system part including the same

#42
20170030022
2017-02-02

LUBRICATION-FREE PIECE FOR A RAILWAY DEVICE

#43
20170016098
2017-01-19

Spheroidal graphite cast iron for an engine exhaust system

#44
20160207084
2016-07-21

Centrifugally cast, hot-rolling composite roll

#45
20160193638
2016-07-07

Centrifugally cast, hot-rolling composite roll

#46
20160160325
2016-06-09

Spheroidal graphite cast iron

#47
20160138139
2016-05-19

SPHEROIDIZING TREATMENT METHOD FOR MOLTEN METAL OF SPHEROIDAL GRAPHITE CAST IRON

#48
20160083812
2016-03-24

Physical property improvement of iron castings using carbon nanomaterials

#49
20160067825
2016-03-10

LASER CLADDING MECHANICAL FACE SEALS

#50
20160053351
2016-02-25

High-strength, high-damping-capacity cast iron

#51
20160047008
2016-02-18

Inoculant with surface particles

#52
20160024623
2016-01-28

High strength nodular cast iron pole and preparation technology thereof

#53
20150368763
2015-12-24

High-strength flake graphite cast iron, manufacturing method thereof, and engine body for internal combustion engine including cast iron

#54
20150336353
2015-11-26

Centrifugally cast hot-rolling composite roll

#55
20150224572
2015-08-13

Method of repairing defects in cast iron workpieces, and a method of connecting cast iron workpieces

#56
20150144230
2015-05-28

Method for fabricating vane using a nodular graphite cast iron

#57
20150086410
2015-03-26

High rigid spheroidal graphite cast iron

#58
20150027399
2015-01-29

Method for manufacturing high strength flake graphite cast iron for an engine body and flake graphite cast iron for an engine body

#59
20140352851
2014-12-04

Spheroidal graphite cast iron having excellent strength and toughness and its production method

#60
20140348694
2014-11-27

Process for producing spheroidal-graphite cast iron, and spheroidal-graphite cast iron member obtained from said spheroidal-graphite cast iron

#61
20140318516
2014-10-30

Cylinder liner and cast iron alloy

#62
20140290230
2014-10-02

CAST IRON ALLOY AND EXHAUST COMPONENT MANUFACTURED THEREBY

#63
20140271330
2014-09-18

Method for producing spheroidal graphite cast iron and vehicle component using said spheroidal graphite cast iron

#64
20140255237
2014-09-11

Vane pump

#65
20140023548
2014-01-23

Alloy, corresponding part and manufacturing method

#66
20130263980
2013-10-10

Method for improving fatigue strength of cast iron material

#67
20130247634
2013-09-26

Method for improving fatigue strength of cast iron material

#68
20130247633
2013-09-26

Method for improving fatigue strength of cast iron material

#69
20130122325
2013-05-16

Nodular graphite cast iron

#70
20130045127
2013-02-21

Austenitic cast iron, austenitic-cast-iron cast product and manufacturing process for the same

#71
20120241058
2012-09-27

CAST IRON CAST PART AND METHOD FOR PRODUCTION THEREOF

#72
20120152413
2012-06-21

METHOD OF PRODUCING LARGE COMPONENTS FROM AUSTEMPERED DUCTILE IRON ALLOYS

#73
20120003115
2012-01-05

Process for production of semisolidified slurry of iron-base alloy and process for production of cast iron castings by using a semisolidified slurry

#74
20110303329
2011-12-15

Cast iron semi-finished product excellent in workability and method of production of the same

#75
20110297280
2011-12-08

Ferritic spheroidal graphite cast iron

#76
20110290384
2011-12-01

High-manganese spheroidal graphite cast iron

#77
20110247581
2011-10-13

Gear and balance shaft for a piston engine

#78
20110211986
2011-09-01

DUCTILE IRON

#79
20110194969
2011-08-11

Ductile Iron Having Cobalt

#80
20110185993
2011-08-04

In-situ graphite shape control for iron castings

#81
20110171016
2011-07-14

Austenitic ductile cast iron

#82
20110109151
2011-05-12

CAST AXLE STUB WITH A CAST-IN STEEL CORE PROCESS FOR PRODUCING THE AXLE STUB

#83
20110017364
2011-01-27

HEAVY AUSTEMPERED DUCTILE IRON COMPONENTS

#84
20110011070
2011-01-20

Ni-25 heat-resistant nodular graphite cast iron for use in exhaust systems

#85
20100284849
2010-11-11

AUSTENITIC CAST IRON AND MANUFACTURING PROCESS FOR THE SAME, AUSTENITIC-CAST-IRON CAST PRODUCT AND COMPONENT PART FOR EXHAUST SYSTEM

#86
20100179039
2010-07-15

Roller body for a roller for treating a material and method of manufacturing a roller body

#87
20100178192
2010-07-15

Cast Iron Comprising Cobalt and Component

#88
20100172784
2010-07-08

Cast iron semi-finished product excellent in workability and method of production of the same

#89
20100111662
2010-05-06

Method for manufacturing at least part of a device for an earthmoving or materials-handling machine using austempered ductile iron and its named product

#90
20100006189
2010-01-14

Austempered ductile iron, method for producing this and component comprising this iron

#91
20090320971
2009-12-31

Method for manufacturing spheroidal cast iron mechanical components

#92
20090195115
2009-08-06

Stator and stator components of dynamoelectric machines and process of inhibiting joule heating therein

#93
20090191085
2009-07-30

Ferritic ductile cast iron alloys having high carbon content, high silicon content, low nickel content and formed without annealing

#94
20090123321
2009-05-14

High-silicon ferritic compacted graphite cast iron having high-temperature strength and high oxidation-resistance

#95
20090047164
2009-02-19

Spheroidal cast iron alloy parts and method for producing thereof

#96
20080308193
2008-12-18

Heat-resistant cast iron and exhaust equipment member formed thereby

#97
20080274005
2008-11-06

Cast Iron With Improved High Temperature Properties

#98
20080260568
2008-10-23

High silicon niobium casting alloy and process for producing the same

#99
20060266447
2006-11-30

Iron alloy containing molybdenum

#100
20060191604
2006-08-31

Austenite heat-resistant spheroidal graphite cast iron

#101
20060169369
2006-08-03

ODS molybdenum-silicon-boron alloy

#102
20060144478
2006-07-06

Cast iron billet excelling in workability and process for producing the same

#103
20060037675
2006-02-23

Method for production and forming of cast pieces of spheroidal graphite with improved mechanical properties

#104
20050189043
2005-09-01

Method of fabricating spheroidal graphite cast iron parts of high precision, geometrically and dimensionally, and having improved mechanical characteristics

#105
20050103161
2005-05-19

Method for reuse of steel sheet scrap