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PROCESSING OF PIG-IRON
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Treating molten ferrous alloys
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last 30 patents
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Patent Grant
Degassing method for manufacturing ultra-low carbon, nitrogen, sulf...
Patent number
12,168,808
Issue date
Dec 17, 2024
United States Steel Corporation
Yun Li
C21 - METALLURGY OF IRON
Information
Patent Grant
Converter bottom blowing system capable of allowing multiple media...
Patent number
12,123,063
Issue date
Oct 22, 2024
University of Science and Technology Beijing
Kai Dong
C21 - METALLURGY OF IRON
Information
Patent Grant
Ultra-clean rare earth steel and occluded foreign substance modific...
Patent number
12,091,733
Issue date
Sep 17, 2024
Institute of Metal Research Chinese Academy of Sciences
Dianzhong Li
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for smelting low-phosphorus high-manganese steel based on re...
Patent number
12,071,681
Issue date
Aug 27, 2024
North China University of Science and Technology
Tao Li
C21 - METALLURGY OF IRON
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Patent Grant
Method for producing steel
Patent number
12,054,796
Issue date
Aug 6, 2024
Nippon Steel Corporation
Toshiaki Mizoguchi
C21 - METALLURGY OF IRON
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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
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
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
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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
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
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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
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
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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
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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
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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
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
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Patent Grant
Ferritic stainless steel
Patent number
11,384,405
Issue date
Jul 12, 2022
OUTOKUMPU OYJ
Juha Kela
C21 - METALLURGY OF IRON
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Patent Grant
Dephosphorizing flux and method for preparing same
Patent number
11,225,695
Issue date
Jan 18, 2022
Posco
Woong Hee Han
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fe—Cr—Ni alloy and method for production thereof
Patent number
11,118,250
Issue date
Sep 14, 2021
Nippon Yakin Kogyo Co., Ltd.
Kenji Mizuno
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-heat treated steel bar
Patent number
11,111,569
Issue date
Sep 7, 2021
Nippon Steel Corporation
Yusuke Miyakoshi
C21 - METALLURGY OF IRON
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Patent Grant
Manufacture of low carbon steel
Patent number
11,047,015
Issue date
Jun 29, 2021
Nucor Corporation
David J. Sosinsky
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Molten steel desulfurization method, molten steel secondary refinin...
Patent number
11,035,014
Issue date
Jun 15, 2021
JFE Steel Corporation
Satoshi Kinoshiro
G01 - MEASURING TESTING
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Patent Grant
Non-oriented electrical steel sheet and production method thereof
Patent number
11,008,633
Issue date
May 18, 2021
JFE Steel Corporation
Masanori Uesaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for obtaining calcium aluminates from non-saline aluminum slags
Patent number
10,858,261
Issue date
Dec 8, 2020
ARZYZ, S.A. DE C.V.
Felix Antonio Lopez Gomez
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and method for producing the same
Patent number
10,822,678
Issue date
Nov 3, 2020
JFE Steel Corporation
Tadashi Nakanishi
C21 - METALLURGY OF IRON
Information
Patent Grant
Stainless steel product
Patent number
10,822,679
Issue date
Nov 3, 2020
Nippon Steel Corporation
Hideya Kaminaka
C21 - METALLURGY OF IRON
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Patent Grant
Process for dephosphorization of molten metal during a refining pro...
Patent number
10,822,668
Issue date
Nov 3, 2020
S. A. Lhoist Recherche et Developpement
Michael Nispel
C21 - METALLURGY OF IRON
Information
Patent Grant
Clean and rapid smelting method in an electric arc furnace with ful...
Patent number
10,808,290
Issue date
Oct 20, 2020
University of Science and Technology Beijing
Rong Zhu
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
METHOD FOR CONTROLLING NITROGEN IN STEELMAKING BY SPRAYING HYDROGEN...
Publication number
20240401161
Publication date
Dec 5, 2024
Xuanhua Iron and Steel Group Co., Ltd.
Hongbin WANG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR REFINING MOLTEN IRON
Publication number
20240392400
Publication date
Nov 28, 2024
Industry-Academic Cooperation Foundation, Yonsei University
Gyo Khang PARK
C21 - METALLURGY OF IRON
Information
Patent Application
PRECIPITATION HARDENING MARTENSITIC STAINLESS STEEL HAVING EXCELLEN...
Publication number
20240376561
Publication date
Nov 14, 2024
Nippon Yakin Kogyo Co., Ltd.
Xin JI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
ALUMINUM ALLOY DEOXIDIZER WITH CARBON COMPOUNDS
Publication number
20240360527
Publication date
Oct 31, 2024
HF investment Co., LTD.
CHIEN-HAO LEE
C21 - METALLURGY OF IRON
Information
Patent Application
V-N MICROALLOYED STEEL AND METHOD FOR PRODUCING V-N MICROALLOYED AN...
Publication number
20240327963
Publication date
Oct 3, 2024
LAIWU STEEL YINSHAN SECTION CO., LTD.
Zhongxue WANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR IF-INTERSTITIAL FREE STEEL PRODUCTION USING SCRAP IN ARC...
Publication number
20240327938
Publication date
Oct 3, 2024
ÇOLAKOGLU METALURJI ANONIM SIRKETI
Murat GUNERDI
C21 - METALLURGY OF IRON
Information
Patent Application
A METHOD FOR PROCESSING IRON ORE TO OBTAIN STEEL
Publication number
20240309475
Publication date
Sep 19, 2024
METSO METALS OY
Timo HAIMI
C21 - METALLURGY OF IRON
Information
Patent Application
TREATMENT METHOD OF MOLTEN STEEL AND STEEL PRODUCTION METHOD
Publication number
20240287632
Publication date
Aug 29, 2024
JFE STEEL CORPORATION
Hidemitsu NEGISHI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PREPARING TITANIUM-CONTAINING ULTRA-LOW-CARBON STEEL
Publication number
20240287635
Publication date
Aug 29, 2024
Baoshan Iron & Steel Co., Ltd
Hantao HU
B22 - CASTING POWDER METALLURGY
Information
Patent Application
MOLTEN STEEL DENITRIFICATION METHOD AND STEEL PRODUCTION METHOD
Publication number
20240271235
Publication date
Aug 15, 2024
JFE STEEL CORPORATION
Hidemitsu NEGISHI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR REFINING MOLTEN IRON
Publication number
20240271233
Publication date
Aug 15, 2024
JFE STEEL CORPORATION
Futoshi OGASAWARA
C21 - METALLURGY OF IRON
Information
Patent Application
Gas atomization of molten steel
Publication number
20240246145
Publication date
Jul 25, 2024
ARCELORMITTAL
Pallava KAUSHIK
B22 - CASTING POWDER METALLURGY
Information
Patent Application
CONVERTER BOTTOM BLOWING SYSTEM CAPABLE OF ALLOWING MULTIPLE MEDIA...
Publication number
20240247328
Publication date
Jul 25, 2024
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Kai DONG
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR MANUFACTURING A SLAG CONDITIONING AGENT FOR STEEL DESUL...
Publication number
20240247330
Publication date
Jul 25, 2024
S. A. Lhoist Recherche et Developpement
Eric Perrin
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR DEPHOSPHORIZATION OF MOLTEN IRON
Publication number
20240229177
Publication date
Jul 11, 2024
JFE STEEL CORPORATION
Futoshi OGASAWARA
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 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
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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
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
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 MANUFACTURING LOW-PHOSPHORUS MOLTEN STEEL
Publication number
20230313330
Publication date
Oct 5, 2023
JFE STEEL CORPORATION
Nobuhiko ODA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING CHROMIUM-CONTAINING MOLTEN STEEL
Publication number
20230304110
Publication date
Sep 28, 2023
JFE STEEL CORPORATION
Nobuhiko ODA
C21 - METALLURGY OF IRON
Information
Patent Application
Method for Preparing Stainless Steel Seamless Tube with Ultra-High...
Publication number
20230304118
Publication date
Sep 28, 2023
Jiangsu Wujin Stainless Steel Pipe Group Co., Ltd.
Hong Gao
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA-CLEAN RARE EARTH STEEL AND OCCLUDED FOREIGN SUBSTANCE MODIFIC...
Publication number
20230295780
Publication date
Sep 21, 2023
INSTITUTE OF METAL RESEARCH CHINESE ACADEMY OF SCIENCES
Dianzhong LI
C21 - METALLURGY OF IRON
Information
Patent Application
FE-NI-CR ALLOY HAVING SUPERIOR CORROSION RESISTANCE, WELDABILITY, A...
Publication number
20230287550
Publication date
Sep 14, 2023
Nippon Yakin Kogyo Co., Ltd.
Kazuhito TAKIMOTO
C21 - METALLURGY OF IRON