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PROCESSING OF PIG-IRON
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Iron metallurgy
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PROCESSING OF PIG-IRON
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C21C1/00
Refining of pig-iron Cast iron
C21C2100/00
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Recycling of waste material
C21C2250/00
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Manufacture of wrought-iron or wrought-steel
C21C5/00
Manufacture of carbon-steel
C21C7/00
Treating molten ferrous alloys
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Patents Grants
last 30 patents
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Patent Grant
Processing method
Patent number
12,168,814
Issue date
Dec 17, 2024
SUBARU CORPORATION
Yukihiro Hagiwara
C21 - METALLURGY OF IRON
Information
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
Device and method for filling a tap hole of an electric arc furnace...
Patent number
12,152,283
Issue date
Nov 26, 2024
BADISCHE STAHL-ENGINEERING GMBH
Danny Schreiber
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and device for controlling temperature of molten steel durin...
Patent number
12,146,200
Issue date
Nov 19, 2024
University of Science and Technology Beijing
Qing Liu
C21 - METALLURGY OF IRON
Information
Patent Grant
High performance alloy for corrosion resistance
Patent number
12,138,674
Issue date
Nov 12, 2024
Saudi Arabian Oil Company
Oladele Owoeye
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material for steel piston
Patent number
12,134,812
Issue date
Nov 5, 2024
Nippon Steel Corporation
Yutaka Neishi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing chromium-containing molten iron
Patent number
12,134,799
Issue date
Nov 5, 2024
Nippon Steel Corporation
Norifumi Asahara
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
High-carbon biogenic reagents and uses thereof
Patent number
12,084,623
Issue date
Sep 10, 2024
Carbon Technology Holdings, LLC
Daniel J. Despen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Nickel-based superalloy steel and preparation method thereof
Patent number
12,084,748
Issue date
Sep 10, 2024
Zhejiang Dalong New Materials Co., Ltd.
Rongxin Yu
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
Information
Patent Grant
Method of stirring liquid metal in an electric arc furnace
Patent number
12,065,709
Issue date
Aug 20, 2024
Danieli & C. Officine Meccaniche SpA
Damiano Patrizio
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing an improved ductile iron alloy with pearlitic...
Patent number
12,065,723
Issue date
Aug 20, 2024
Verdeloong Enterprises Pty. Ltd.
Mathew Lagoon
C21 - METALLURGY OF IRON
Information
Patent Grant
Coaxial dual supersonic speed oxygen flow coherent oxygen lance
Patent number
12,065,708
Issue date
Aug 20, 2024
CISDI ENGINEERING CO., LTD
Xiangdong Liu
C21 - METALLURGY OF IRON
Information
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
Information
Patent Grant
Method for manufacturing a low-carbon nitrogen-containing austeniti...
Patent number
12,024,754
Issue date
Jul 2, 2024
DAYE SPECIAL STEEL CO., LTD.
Xiaoliang Dong
C21 - METALLURGY OF IRON
Information
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
Method and system for determining converter tapping quantity
Patent number
11,987,855
Issue date
May 21, 2024
University of Science and Technology Beijing
Yanping Bao
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
Spray cooling furnace electrodes with a cooling liquid that contain...
Patent number
11,979,968
Issue date
May 7, 2024
ChemTreat, Inc.
Joseph S. Strasser
C21 - METALLURGY OF IRON
Information
Patent Grant
Refining vessel for high-temperature melt
Patent number
11,976,340
Issue date
May 7, 2024
JFE Steel Corporation
Seiji Hosohara
C21 - METALLURGY OF IRON
Information
Patent Grant
Sliding closure for a metallurgical vessel
Patent number
11,969,785
Issue date
Apr 30, 2024
Refractory Intellectual Property GmbH & Co. KG
Goran Vukovic
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Systems and apparatus for production of high-carbon biogenic reagents
Patent number
11,965,139
Issue date
Apr 23, 2024
Carbon Technology Holdings, LLC
James A. Mennell
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Molten metal component estimation device, method of estimating molt...
Patent number
11,966,669
Issue date
Apr 23, 2024
JFE Steel Corporation
Hiroto Kase
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Lance nozzle
Patent number
11,959,147
Issue date
Apr 16, 2024
JFE Steel Corporation
Yumi Murakami
C21 - METALLURGY OF IRON
Information
Patent Grant
High-carbon biogenic reagents and uses thereof
Patent number
11,959,038
Issue date
Apr 16, 2024
Carbon Technology Holdings, LLC
Daniel J. Despen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Temperature sensors
Patent number
11,959,811
Issue date
Apr 16, 2024
SSAB Enterprises, LLC
Meng Lu
C21 - METALLURGY OF IRON
Information
Patent Grant
Device and method for measuring a temperature of a molten metal
Patent number
11,959,813
Issue date
Apr 16, 2024
Heraeus Electro-Nite International N.V.
Guido Neyens
C21 - METALLURGY OF IRON
Information
Patent Grant
Direct reduction process utilizing hydrogen
Patent number
11,952,638
Issue date
Apr 9, 2024
Midrex Technologies, Inc.
Keith Marshall Bastow-Cox
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
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
VACUUM DEGASSING PLANT AND PROCESS FOR THE INERTISATION OF PYROPHOR...
Publication number
20240399272
Publication date
Dec 5, 2024
DANIELI & C. OFFICINE MECCANICHE SPA
Harald KOBLENZER
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA-HIGH STRENGTH SPRING STEEL AND PREPARATION METHOD THEREOF
Publication number
20240392404
Publication date
Nov 28, 2024
Shandong Jianzhu University
Simon Yisheng Feng
B22 - CASTING POWDER METALLURGY
Information
Patent Application
FURNACE SLAG AMOUNT ESTIMATION DEVICE, FURNACE SLAG AMOUNT ESTIMATI...
Publication number
20240393159
Publication date
Nov 28, 2024
JFE STEEL CORPORATION
Hiroto KASE
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
METALLURGICAL MELTING FURNACE, AND METHOD FOR DETERMINING THE AMOUN...
Publication number
20240376560
Publication date
Nov 14, 2024
PROMECON process measurement control GmbH
Hans Georg CONRADS
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
MOLTEN PIG IRON MANUFACTURING METHOD
Publication number
20240368716
Publication date
Nov 7, 2024
NIPPON STEEL CORPORATION
Toshiya HARADA
C21 - METALLURGY OF IRON
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
SYSTEM AND METHOD FOR INTEGRATED WATER TREATMENT AND COOLING IN THE...
Publication number
20240352548
Publication date
Oct 24, 2024
Saudi Arabian Oil Company
Faisal B. Almutairi
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METALLURGICAL FURNACE WITH CARBON INJECTING LANCE
Publication number
20240344156
Publication date
Oct 17, 2024
METIX (PROPRIETARY) LIMITED
Gabriel Jacobus LOTTER
C21 - METALLURGY OF IRON
Information
Patent Application
SYSTEMS AND APPARATUS FOR PRODUCTION OF HIGH-CARBON BIOGENIC REAGENTS
Publication number
20240343985
Publication date
Oct 17, 2024
Carbon Technology Holdings, LLC
James A. Mennell
C01 - INORGANIC CHEMISTRY
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
SUSTAINABLE STEEL PRODUCTION WITH CO-GENERATION OF HYDROGEN
Publication number
20240327939
Publication date
Oct 3, 2024
Saudi Arabian Oil Company
Faisal B. Almutairi
C21 - METALLURGY OF IRON
Information
Patent Application
Self-adaptive hanging structure of converter
Publication number
20240318270
Publication date
Sep 26, 2024
CISDI Engineering Technology Co., Ltd.
Yang Yu
C21 - METALLURGY OF IRON
Information
Patent Application
POWER SUPPLY DEVICE FOR METALLURGICAL EQUIPMENT
Publication number
20240324077
Publication date
Sep 26, 2024
Badische Stahl-Engineering GmbH
Dirk RIEDINGER
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR THE COMBINED MANUFACTURE OF STEEL AND CEMENT CLINKER
Publication number
20240318271
Publication date
Sep 26, 2024
CAMBRIDGE ENTERPRISE LIMITED
Cyrille DUNANT
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT RECOVERY ON STEEL SLAG
Publication number
20240309479
Publication date
Sep 19, 2024
JOHN COCKERILL S.A.
Thomas Thoelen
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
CARBON-NEGATIVE METALLURGICAL PRODUCTS
Publication number
20240294997
Publication date
Sep 5, 2024
Carbon Technology Holdings, LLC
James A. Mennell
C21 - METALLURGY OF IRON
Information
Patent Application
MOLTEN STEEL REFINING METHOD
Publication number
20240294998
Publication date
Sep 5, 2024
JFE STEEL CORPORATION
Akifumi HARADA
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
MOLTEN STEEL REFINING METHOD
Publication number
20240287633
Publication date
Aug 29, 2024
JFE STEEL CORPORATION
Akifumi HARADA
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
METHOD FOR FORMING A FOAMY SLAG IN AN ELECTRIC ARC FURNACE
Publication number
20240279760
Publication date
Aug 22, 2024
PIPEX ENERGY S.R.L.
Luca OREFICI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING HYPEREUTECTOID STEEL RAIL RESISTANT TO CONTACT...
Publication number
20240279784
Publication date
Aug 22, 2024
Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
Jun YUAN
C21 - METALLURGY OF IRON
Information
Patent Application
OPERATING METHOD FOR AN ELECTRIC ARC FURNACE
Publication number
20240284566
Publication date
Aug 22, 2024
PRIMETALS TECHNOLOGIES GERMANY GMBH
Thomas MATSCHULLAT
C21 - METALLURGY OF IRON
Information
Patent Application
SYSTEM AND METHOD TO SUSTAINABLE INTEGRATED WASTEWATER TREATMENT AN...
Publication number
20240279079
Publication date
Aug 22, 2024
Saudi Arabian Oil Company
Faisal B. Almutairi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING STEEL IN AN INTEGRATED METALLURGICAL PLANT
Publication number
20240271232
Publication date
Aug 15, 2024
ThyssenKrupp Steel Europe AG
Nils JÄGER
C21 - METALLURGY OF IRON