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Treating molten ferrous alloys
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Industry
CPC
C21C7/00
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Parent Industries
C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21C
PROCESSING OF PIG-IRON
Current Industry
C21C7/00
Treating molten ferrous alloys
Sub Industries
C21C7/0006
Adding metallic additives
C21C7/0025
Adding carbon material
C21C7/0037
by injecting powdered material
C21C7/0043
into the falling stream of molten metal
C21C7/005
using exothermic reaction compositions
C21C7/0056
using cored wires
C21C7/0068
by introducing material into a current of streaming metal
C21C7/0075
Treating in a ladle furnace
C21C7/0081
Treating and handling under pressure
C21C7/0087
Treatment of slags covering the steel bath
C21C7/04
Removing impurities by adding a treating agent
C21C7/06
Deoxidising
C21C7/064
Dephosphorising Desulfurising
C21C7/0645
Agents used for dephosphorising or desulfurising
C21C7/068
Decarburising
C21C7/0685
of stainless steel
C21C7/072
Treatment with gases
C21C7/076
Use of slags or fluxes as treating agents
C21C7/10
Handling in a vacuum
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last 30 patents
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Patent Grant
Method for smelting low nitrogen steel using electric furnace
Patent number
12,018,341
Issue date
Jun 25, 2024
Baoshan Iron & Steel Co., Ltd.
Yingtie Xu
C21 - METALLURGY OF IRON
Information
Patent Grant
Recycling method for manufacturing high speed steel master alloy fr...
Patent number
11,987,867
Issue date
May 21, 2024
T&E INC.
Bae Gyun Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for manufacturing a slag conditioning agent for steel desul...
Patent number
11,932,914
Issue date
Mar 19, 2024
S.A. Lhoist Recherche et Developpement
Eric Perrin
C21 - METALLURGY OF IRON
Information
Patent Grant
Device for trapping hydrogen
Patent number
11,932,920
Issue date
Mar 19, 2024
CONSTELLIUM ISSOIRE
Jocelyn Prigent
C21 - METALLURGY OF IRON
Information
Patent Grant
Directionally solidified high-boron and high-vanadium high-speed st...
Patent number
11,878,344
Issue date
Jan 23, 2024
Xi'an Jiaotong University
Shengqiang Ma
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High performance alloy for corrosion resistance
Patent number
11,794,228
Issue date
Oct 24, 2023
Saudi Arabian Oil Company
Oladele Owoeye
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Mold flux and casting method using same
Patent number
11,794,238
Issue date
Oct 24, 2023
POSCO Co., Ltd
Jun Yong Park
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing high nitrogen steel by duplex melting process...
Patent number
11,732,337
Issue date
Aug 22, 2023
Northeastern University
Huabing Li
C21 - METALLURGY OF IRON
Information
Patent Grant
Slag discharging method in process of producing ultra-low phosphoru...
Patent number
11,718,885
Issue date
Aug 8, 2023
NANYANG HANYE SPECIAL STEEL CO., LTD
Shucheng Zhu
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of making steel by deeply dephosphorization in hot metal tan...
Patent number
11,674,192
Issue date
Jun 13, 2023
University of Science and Technology Beijing
Yanling Zhang
C21 - METALLURGY OF IRON
Information
Patent Grant
Rare-earth microalloyed steel and control method
Patent number
11,655,512
Issue date
May 23, 2023
Institute of Metal Research Chinese Academy of Sciences
Dianzhong Li
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for removing phosphorus from phosphorus-containing substance
Patent number
11,649,514
Issue date
May 16, 2023
JFE Steel Corporation
Kenji Nakase
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for modifying steel slag through acidification and carboniz...
Patent number
11,572,307
Issue date
Feb 7, 2023
SHANDONG UNIVERSITY
Jingcai Chang
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for dephosphorization of hot metal, and refining agent
Patent number
11,542,566
Issue date
Jan 3, 2023
JFE Steel Corporation
Yusuke Fujii
C21 - METALLURGY OF IRON
Information
Patent Grant
Silicon based alloy, method for the production thereof and use of s...
Patent number
11,542,578
Issue date
Jan 3, 2023
Elkem ASA
Amélie Dieudonne
C21 - METALLURGY OF IRON
Information
Patent Grant
Cored wire with particulate material
Patent number
11,525,168
Issue date
Dec 13, 2022
P.C. Campana, Inc.
David L. Campana
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Low-alloy high-strength seamless steel pipe for oil country tubular...
Patent number
11,505,842
Issue date
Nov 22, 2022
JFE Steel Corporation
Mitsuhiro Okatsu
C21 - METALLURGY OF IRON
Information
Patent Grant
Calcium, aluminum and silicon alloy, as well as a process for the p...
Patent number
11,486,027
Issue date
Nov 1, 2022
BOZEL BRASIL SA
Paulo Von Kruger
C21 - METALLURGY OF IRON
Information
Patent Grant
Calcium, aluminum and silicon alloy, as well as a process for the p...
Patent number
11,486,026
Issue date
Nov 1, 2022
BOZEL BRASIL SA
Paulo Von Kruger
C21 - METALLURGY OF IRON
Information
Patent Grant
Cast iron inoculant and method for production of cast iron inoculant
Patent number
11,479,828
Issue date
Oct 25, 2022
Elkem ASA
Emmanuelle Ott
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for injecting particulate material into a liquid metal bath
Patent number
11,466,332
Issue date
Oct 11, 2022
Linde GmbH
Andrew Cameron
C21 - METALLURGY OF IRON
Information
Patent Grant
Low-alloy high-strength seamless steel pipe for oil country tubular...
Patent number
11,453,924
Issue date
Sep 27, 2022
JFE Steel Corporation
Mitsuhiro Okatsu
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-heat treated steel for induction hardening
Patent number
11,447,849
Issue date
Sep 20, 2022
Nippon Steel Corporation
Makoto Egashira
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing alloy steel
Patent number
11,441,211
Issue date
Sep 13, 2022
POSCO
Woong Hee Han
C21 - METALLURGY OF IRON
Information
Patent Grant
Optical cored wire immersion nozzle
Patent number
11,440,081
Issue date
Sep 13, 2022
Heraeus Electro-Nite International N.V.
Martin Kendall
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Production method of maraging steel
Patent number
11,427,897
Issue date
Aug 30, 2022
Hitachi Metals, Ltd.
Takahiko Kamimura
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Low-alloy high-strength seamless steel pipe for oil country tubular...
Patent number
11,414,733
Issue date
Aug 16, 2022
JFE Steel Corporation
Mitsuhiro Okatsu
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for recycling used or discarded portable electric batteries
Patent number
11,417,893
Issue date
Aug 16, 2022
FIDAY GESTION
Lionel Picard
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Gas purging plug, gas purging system, method for characterization o...
Patent number
11,408,040
Issue date
Aug 9, 2022
Refractory Intellectual Property GmbH & Co. KG
Christian Manhart
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel
Patent number
11,384,405
Issue date
Jul 12, 2022
OUTOKUMPU OYJ
Juha Kela
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
STEEL FOR BOLTS, AND MANUFACTURING METHOD THEREFOR
Publication number
20240209469
Publication date
Jun 27, 2024
Baoshan Iron & Steel Co., Ltd
Zan Yao
C21 - METALLURGY OF IRON
Information
Patent Application
ELECTRIC FURNACE AND STEELMAKING METHOD
Publication number
20240191315
Publication date
Jun 13, 2024
JFE STEEL CORPORATION
Futoshi OGASAWARA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR EFFICIENTLY REMOVING CU IN ELECTRIC FURNACE STEELMAKING...
Publication number
20240191317
Publication date
Jun 13, 2024
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Guangsheng WEI
C21 - METALLURGY OF IRON
Information
Patent Application
Pyrometallurgical Method for Recycling Shredded Material of Waste f...
Publication number
20240191316
Publication date
Jun 13, 2024
ECO'RING
Jean-Luc Roth
C21 - METALLURGY OF IRON
Information
Patent Application
Gas atomization of molten steel
Publication number
20240165704
Publication date
May 23, 2024
ARCELORMITTAL
Enrique HERRAIZ LALANA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR OPERATING CONVERTER AND METHOD FOR PRODUCING MOLTEN STEEL
Publication number
20240167112
Publication date
May 23, 2024
JFE STEEL CORPORATION
Shota AMANO
C21 - METALLURGY OF IRON
Information
Patent Application
PRODUCTS COMPRISING CHAR AND CARBON, AND ASSOCIATED SYSTEMS, DEVICE...
Publication number
20240158877
Publication date
May 16, 2024
SunCoke Technology and Development LLC
John Francis Quanci
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR SMELTING HIGH-SPEED STEEL BY USING INTERMEDIATE FREQUEN...
Publication number
20240150860
Publication date
May 9, 2024
Jiangsu University
Yabo LI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR SMELTING LOW-PHOSPHORUS HIGH-MANGANESE STEEL BASED ON RE...
Publication number
20240141462
Publication date
May 2, 2024
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Tao LI
C21 - METALLURGY OF IRON
Information
Patent Application
TOP-BLOWING LANCE FOR CONVERTER, METHOD FOR ADDING AUXILIARY RAW MA...
Publication number
20240076755
Publication date
Mar 7, 2024
JFE STEEL CORPORATION
Shota AMANO
C21 - METALLURGY OF IRON
Information
Patent Application
MOLTEN IRON REFINING METHOD
Publication number
20240076754
Publication date
Mar 7, 2024
JFE STEEL CORPORATION
Futoshi OGASAWARA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR DESULFURIZING MOLTEN METAL
Publication number
20240076756
Publication date
Mar 7, 2024
JFE STEEL CORPORATION
Hidemitsu NEGISHI
C21 - METALLURGY OF IRON
Information
Patent Application
400 MPa CORROSION-RESISTANT STEEL BAR AND PRODUCTION METHOD THEREOF
Publication number
20240068064
Publication date
Feb 29, 2024
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
Han MA
C21 - METALLURGY OF IRON
Information
Patent Application
CONVERTER STEELMAKING METHOD
Publication number
20240068061
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Rei YOKOMORI
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR TREATING MOLTEN IRON
Publication number
20240052443
Publication date
Feb 15, 2024
FOSECO INTERNATIONAL LIMITED
David HRABINA
C21 - METALLURGY OF IRON
Information
Patent Application
ROTARY DEVICE FOR TREATING MOLTEN METAL
Publication number
20240052444
Publication date
Feb 15, 2024
FOSECO INTERNATIONAL LIMITED
David HRABINA
C21 - METALLURGY OF IRON
Information
Patent Application
CONVERTER BLOWING CONTROL METHOD AND CONVERTER BLOWING CONTROL SYSTEM
Publication number
20240035104
Publication date
Feb 1, 2024
JFE STEEL CORPORATION
Tomohiro Sugino
C21 - METALLURGY OF IRON
Information
Patent Application
PRODUCTION METHOD FOR NON-ORIENTED SILICON STEEL AND NON-ORIENTED S...
Publication number
20240011121
Publication date
Jan 11, 2024
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
Chongxiang YUE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
RECYCLING METHOD FOR MANUFACTURING HIGH SPEED STEEL MASTER ALLOY FR...
Publication number
20240011133
Publication date
Jan 11, 2024
T&E INC.
Bae Gyun KIM
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MELTING FERROUS METALS, NON-FERROUS METALS, MACHINING WA...
Publication number
20240002976
Publication date
Jan 4, 2024
COMPAGNIA COMMERCIALE SRL
Tommaso Brando CARPANETO
C21 - METALLURGY OF IRON
Information
Patent Application
Method for treating molten metals and/or slags in metallurgical bat...
Publication number
20230416868
Publication date
Dec 28, 2023
SMS group GMBH
Hans-Jürgen ODENTHAL
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PRODUCING SAME, AND...
Publication number
20230366058
Publication date
Nov 16, 2023
NIPPON STEEL CORPORATION
Yoshihiro ARITA
C21 - METALLURGY OF IRON
Information
Patent Application
Cross-Correlation Of Metrics For Anomaly Root Cause Identification
Publication number
20230359519
Publication date
Nov 9, 2023
eBay Inc.
Maxwell Henry POOLE
C21 - METALLURGY OF IRON
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Patent Application
FLUORITE SYNTHETIC STONES AND METHOD OF MAKING FLUORITE SYNTHETIC S...
Publication number
20230357075
Publication date
Nov 9, 2023
MEXICHEM FLUOR S.A. DE C.V.
Luis Angel Gutierrez L.
C21 - METALLURGY OF IRON
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Patent Application
MOLTEN STEEL REFINING METHOD
Publication number
20230340629
Publication date
Oct 26, 2023
JFE STEEL CORPORATION
Keisuke MIZOBATA
C21 - METALLURGY OF IRON
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Patent Application
HIGH PERFORMANCE ALLOY FOR CORROSION RESISTANCE
Publication number
20230339006
Publication date
Oct 26, 2023
Saudi Arabian Oil Company
Oladele Owoeye
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
REFINING PROCESS CONTROL DEVICE AND REFINING PROCESS CONTROL METHOD
Publication number
20230332260
Publication date
Oct 19, 2023
JFE STEEL CORPORATION
Hiroto KASE
C21 - METALLURGY OF IRON
Information
Patent Application
DEGASSING METHOD FOR MANUFACTURING STEEL
Publication number
20230323492
Publication date
Oct 12, 2023
UNITED STATES STEEL CORPORATION
Yun Li
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR DETERMINING QUANTITY OF CALCIUM LINE FED INTO MOLTEN STE...
Publication number
20230325637
Publication date
Oct 12, 2023
NORTH CHINA UNIVERSITY OF TECHNOLOGY
Lifeng Zhang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD FOR MANUFACTURING LOW-PHOSPHORUS MOLTEN STEEL
Publication number
20230313330
Publication date
Oct 5, 2023
JFE STEEL CORPORATION
Nobuhiko ODA
C21 - METALLURGY OF IRON