C21C 1/10

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Description

Class  C21C : PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL


Subclass 1/10: Refining of pig-iron; Cast iron Making spheroidal graphite cast-iron

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12065723 Method for producing an improved ductile iron alloy with pearlitic matrixOct 23, 18Aug 20, 24Verdeloong Enterprises Pty. Ltd.
11946109 Spheroidal graphite cast iron and method of producing spheroidal graphite cast iron, and vehicle undercarriage partsApr 14, 20Apr 02, 24KABUSHIKI KAISHA RIKEN
11946120 Method for controlling amount of silicon added to ductile cast iron, method for casting ductile cast iron, and cast productAug 28, 20Apr 02, 24TIANRUN INDUSTRY TECHNOLOGY CO., LTD.; Shandong University of Technology;
11932913 Cast iron inoculant and method for production of cast iron inoculantDec 21, 18Mar 19, 24Elkem ASA
11920205 Spherical graphite cast iron semi-solid casting method and semi-solid cast productMay 23, 22Mar 05, 24Not available
11846000 Cast iron inoculant and method for production of cast iron inoculantJun 29, 17Dec 19, 23Elkem ASA
11845999 Method for producing die-cast product of spherical graphitic cast iron including ultrafine spherical graphite, and spheroidizing treatment agentDec 12, 21Dec 19, 23Not available
11745258 Casting solidification analysis method, casting method, and electronic programApr 25, 18Sep 05, 23Not available
11708618 Cast iron inoculant and method for production of cast iron inoculantDec 21, 18Jul 25, 23Elkem ASA
11486011 Cast iron inoculant and method for production of cast iron inoculantDec 21, 18Nov 01, 22Elkem ASA
11486012 Cast iron inoculant and method for production of cast iron inoculantDec 21, 18Nov 01, 22Elkem ASA
11479828 Cast iron inoculant and method for production of cast iron inoculantDec 21, 18Oct 25, 22Elkem ASA
11254993 Method for producing die-cast product of spheroidal graphite cast iron having ultrafine spheroidal graphite, and die-cast product of spheroidal graphite cast ironJul 15, 16Feb 22, 22I2C CO., LTD.; Japan as represented by president of Tohoku University;
11098383 Cast iron inoculant and method for production of cast iron inoculantJun 29, 17Aug 24, 21Elkem ASA
10844446 Physical property improvement of iron castings using carbon nanomaterialsMay 08, 14Nov 24, 20Dresser-Rand Company
10787726 Ductile iron composition and process of forming a ductile iron componentApr 29, 16Sep 29, 20General Electric Company
10662510 Ductile iron composition and process of forming a ductile iron componentApr 29, 16May 26, 20General Electric Company
10351920 Inoculant with surface particlesMar 19, 14Jul 16, 19PERROPEM
10294550 Heat resistant spheroidal graphite cast iron, method of manufacturing the same and engine exhaust system part including the sameFeb 06, 15May 21, 19Doosan Infracore Co. Ltd.
10023923 Method and device for treating a metal or a molten metal alloy using an addition agentJun 06, 14Jul 17, 18Not available

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2024/0182,993 PROCESS AND SYSTEM FOR THE PRODUCTION OF IRON NUGGETSMar 23, 22Jun 06, 24Not available
2024/0052,443 PROCESS FOR TREATING MOLTEN IRONDec 17, 21Feb 15, 24Not available
2022/0325,390 METHOD FOR CONTROLLING AMOUNT OF SILICON ADDED TO DUCTILE CAST IRON, METHOD FOR CASTING DUCTILE CAST IRON, AND CAST PRODUCTAug 28, 20Oct 13, 22Tianrun Industry Technology Co., Ltd.; Shandong University of Technology;
2022/0275,467 SPHERICAL GRAPHITE CAST IRON SEMI-SOLID CASTING METHOD AND SEMI-SOLID CAST PRODUCTMay 23, 22Sep 01, 22Not available
2022/0243,294 ADDITIVE FOR TREATING MOLTEN IRON TO PRODUCE CAST IRON WITH ZERO CONTRACTION AND WITH LONSDALEITE-TYPE SPHEROIDAL GRAPHITEJun 17, 20Aug 04, 22Not available
2020/0407,811 CAST IRON INOCULANT AND METHOD FOR PRODUCTION OF CAST IRON INOCULANTDec 21, 18Dec 31, 20Not available
2020/0283,859 SPHERICAL GRAPHITE CAST IRON SEMI-SOLID CASTING METHOD AND SEMI-SOLID CAST PRODUCTAug 31, 17Sep 10, 20Not available
2020/0071,780 METHOD FOR PRODUCING DIE-CAST PRODUCT OF SPHERICAL GRAPHITIC CAST IRON INCLUDING ULTRAFINE SPHERICAL GRAPHITE, AND SPHEROIDIZING TREATMENT AGENTMar 29, 18Mar 05, 20Not available
2018/0251,864 CONTROL MATERIAL, AND METHOD FOR PRODUCING SAMEFeb 28, 18Sep 06, 18Not available
2018/0148,805 METHOD FOR TREATING MOLTEN CAST IRONMay 17, 16May 31, 18Toshiba Kikai Kabushiki Kaisha
2016/0115,561 METHOD AND DEVICE FOR TREATING A METAL OR A MOLTEN METAL ALLOY USING AN ADDITION AGENTJun 06, 14Apr 28, 16Not available
2016/0083,812 PHYSICAL PROPERTY IMPROVEMENT OF IRON CASTINGS USING CARBON NANOMATERIALSMay 08, 14Mar 24, 16DRESSER-RAND COMPANY

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Top Owners in This Subclass

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Patents Issued To Date - By Filing Year

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