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CHEMISTRY METALLURGY
C21
Iron metallurgy
C21C
PROCESSING OF PIG-IRON
C21C5/00
Manufacture of carbon-steel
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C21C5/46
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Patents Grants
last 30 patents
Information
Patent Grant
Tap hole plug gun
Patent number
12,181,222
Issue date
Dec 31, 2024
TMT-Tapping Measuring Technology SARL
Franck Morellato
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
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
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
Lance nozzle
Patent number
11,959,147
Issue date
Apr 16, 2024
JFE Steel Corporation
Yumi Murakami
C21 - METALLURGY OF IRON
Information
Patent Grant
Integrated heated member management system and method for controlli...
Patent number
11,940,218
Issue date
Mar 26, 2024
EXCELLO CO., LTD.
Seung Jae Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Disc-shaped sample chamber and probe including the same
Patent number
11,913,858
Issue date
Feb 27, 2024
Heraeus Electro-Nite International N.V.
Bong-Ki Baik
C21 - METALLURGY OF IRON
Information
Patent Grant
Lance unblocking method and apparatus
Patent number
11,835,296
Issue date
Dec 5, 2023
Tata Steel Limited
Mark Hayton
B08 - CLEANING
Information
Patent Grant
Converter torque support
Patent number
11,814,692
Issue date
Nov 14, 2023
SMS group GMBH
Tim Kleier
C21 - METALLURGY OF IRON
Information
Patent Grant
System for continuously detecting temperature and composition of mo...
Patent number
11,808,635
Issue date
Nov 7, 2023
Chu Lien
C21 - METALLURGY OF IRON
Information
Patent Grant
Converter CO2—O2 mixed injection smelting method and method of dyna...
Patent number
11,788,160
Issue date
Oct 17, 2023
University of Science and Technology Beijing
Chao Feng
C21 - METALLURGY OF IRON
Information
Patent Grant
Suspension device for a converter
Patent number
11,761,047
Issue date
Sep 19, 2023
SMS group GMBH
Steffen Krausa
C21 - METALLURGY OF IRON
Information
Patent Grant
Steelmaking taphole slag retardant device
Patent number
11,747,086
Issue date
Sep 5, 2023
JDSS LTD.
John W. Dresh
C21 - METALLURGY OF IRON
Information
Patent Grant
Lance for use in metal production and casting installations
Patent number
11,739,391
Issue date
Aug 29, 2023
Vesuvius Refratarios Ltda.
Joao Altenir Lopes
C21 - METALLURGY OF IRON
Information
Patent Grant
Warning device for dangerous situations
Patent number
11,679,288
Issue date
Jun 20, 2023
BEDA Oxygentechnik Armaturen GmbH
Reinhardt Bayer
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Long-life service method for powder-bottom-injecting converter base...
Patent number
11,667,982
Issue date
Jun 6, 2023
University of Science and Technology Beijing
Rong Zhu
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
Melting furnace for metallurgical plant and operating method therefor
Patent number
11,390,927
Issue date
Jul 19, 2022
Danieli & C. Officine Meccaniche SpA
Stefano Terlicher
C21 - METALLURGY OF IRON
Information
Patent Grant
Lance with blowout preventer, oxygen flow reducer and improved igni...
Patent number
11,384,404
Issue date
Jul 12, 2022
Michael F. Harasym
C21 - METALLURGY OF IRON
Information
Patent Grant
Smelting process and apparatus
Patent number
11,371,105
Issue date
Jun 28, 2022
Tata Steel Limited
Jacques Pilote
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for oxygen-blowing refining of molten iron and top-blowing l...
Patent number
11,293,069
Issue date
Apr 5, 2022
JFE Steel Corporation
Nobuhiko Oda
C21 - METALLURGY OF IRON
Information
Patent Grant
Tip protrusions on lance ignition tube
Patent number
11,187,461
Issue date
Nov 30, 2021
Michael F. Harasym
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Tiltable exchangeable metallurgical vessel and method for fixing an...
Patent number
11,168,374
Issue date
Nov 9, 2021
PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Robert Kapl
C21 - METALLURGY OF IRON
Information
Patent Grant
Lance unblocking method and apparatus
Patent number
11,162,733
Issue date
Nov 2, 2021
Tata Steel Limited
Mark Hayton
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Tuyere for a basic oxygen furnace
Patent number
11,155,890
Issue date
Oct 26, 2021
Air Products and Chemicals, Inc.
Anandkumar Makwana
C21 - METALLURGY OF IRON
Information
Patent Grant
Wind turbine lance ignition system
Patent number
11,150,023
Issue date
Oct 19, 2021
Michael F. Harasym
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Device and method for sensing a conveying rate of a liquid material
Patent number
11,149,323
Issue date
Oct 19, 2021
SMS GROUP GMBH
Andreas Schuering
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for operating converter
Patent number
11,124,849
Issue date
Sep 21, 2021
JFE Steel Corporation
Shota Amano
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of operating a top submerged lance furnace
Patent number
11,066,713
Issue date
Jul 20, 2021
Tenova South Africa (Pty) Ltd
Brett John Francis
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Efficient long-service-life blowing method and system for vanadium...
Patent number
10,988,818
Issue date
Apr 27, 2021
University of Science and Technology Beijing
Rong Zhu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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
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
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
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
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
SLAG COMPONENT ANALYSIS METHOD, SLAG BASICITY ANALYSIS METHOD, AND...
Publication number
20240241058
Publication date
Jul 18, 2024
JFE STEEL CORPORATION
Masao INOSE
C21 - METALLURGY OF IRON
Information
Patent Application
Method of manufacturing steel
Publication number
20240229174
Publication date
Jul 11, 2024
ARCELORMITTAL
Hugo DA GAMA CAMPOS
C21 - METALLURGY OF IRON
Information
Patent Application
A method of manufacturing of a steel product in several steelmaking...
Publication number
20240229175
Publication date
Jul 11, 2024
ARCELORMITTAL
Hugo DA GAMA CAMPOS
C21 - METALLURGY OF IRON
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
A method of manufacturing of a steel product in several steelmaking...
Publication number
20240132984
Publication date
Apr 25, 2024
ARCELORMITTAL
Hugo DA GAMA CAMPOS
C21 - METALLURGY OF IRON
Information
Patent Application
Method of manufacturing steel
Publication number
20240132983
Publication date
Apr 25, 2024
ARCELORMITTAL
Hugo DA GAMA CAMPOS
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
REFINING METHOD OF MOLTEN IRON AND MANUFACTURING METHOD OF MOLTEN S...
Publication number
20240068060
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Hidemitsu NEGISHI
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
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
Tilting Ladle Carrier
Publication number
20230399711
Publication date
Dec 14, 2023
American Hydraulic Services, Inc.
Ryan Hyatt
C21 - METALLURGY OF IRON
Information
Patent Application
Lance for blowing oxygen in steelmaking
Publication number
20230366052
Publication date
Nov 16, 2023
ARCELORMITTAL
Benoît DRELON
C21 - METALLURGY OF IRON
Information
Patent Application
MELTING/REFINING FURNACE FOR COLD IRON SOURCES, AND MELTING/REFININ...
Publication number
20230349016
Publication date
Nov 2, 2023
Taiyo Nippon Sanso Corporation
Masashi YAMAGUCHI
C21 - METALLURGY OF IRON
Information
Patent Application
BLOWING CONTROL METHOD FOR MAINTAINING MUSHROOM HEAD OF BOTTOM-BLOW...
Publication number
20230287529
Publication date
Sep 14, 2023
SOOCHOW UNIVERSITY
Shaoyan HU
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR SIMULTANEOUSLY INJECTING A FUEL GAS AND AN OXYGEN-RICH G...
Publication number
20230279516
Publication date
Sep 7, 2023
SMS group GMBH
Hans-Jürgen ODENTHAL
C21 - METALLURGY OF IRON
Information
Patent Application
CONVERTER BLOWING CONTROL METHOD AND CONVERTER BLOWING CONTROL SYSTEM
Publication number
20230243005
Publication date
Aug 3, 2023
JFE STEEL CORPORATION
Tomohiro Sugino
C21 - METALLURGY OF IRON
Information
Patent Application
COOLING PLATE FOR A METALLURGICAL FURNACE
Publication number
20230077841
Publication date
Mar 16, 2023
PAUL WURTH S.A.
Rene SCHNEIDER
C21 - METALLURGY OF IRON
Information
Patent Application
Sliding closure for a metallurgical vessel
Publication number
20230042291
Publication date
Feb 9, 2023
Refractory Intellectual Property GmbH & Co. KG
Goran Vukovic
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Suspension Device for a Converter
Publication number
20230032960
Publication date
Feb 2, 2023
SMS group GMBH
Steffen Krausa
C21 - METALLURGY OF IRON
Information
Patent Application
DISC-SHAPED SAMPLE CHAMBER AND PROBE INCLUDING THE SAME
Publication number
20230026127
Publication date
Jan 26, 2023
WOOJIN Electro-Nite Inc.
Bong-Ki BAIK
C21 - METALLURGY OF IRON
Information
Patent Application
Coaxial Dual Supersonic Speed Oxygen Flow Coherent Oxygen Lance
Publication number
20230015434
Publication date
Jan 19, 2023
CISDI ENGINEERING CO., LTD.
Xiangdong Liu
C21 - METALLURGY OF IRON
Information
Patent Application
LANCE FOR USE IN METAL PRODUCTION AND CASTING INSTALLATIONS
Publication number
20220411889
Publication date
Dec 29, 2022
VESUVIUS REFRATARIOS LTDA.
Joao Altenir LOPES
C21 - METALLURGY OF IRON
Information
Patent Application
STEELMAKING TAPHOLE SLAG RETARDANT DEVICE
Publication number
20220349653
Publication date
Nov 3, 2022
JDSS Ltd.
John W. DRESH
C21 - METALLURGY OF IRON
Information
Patent Application
CONVERTER CO2-O2 MIXED INJECTION SMELTING METHOD AND METHOD OF DYNA...
Publication number
20220340986
Publication date
Oct 27, 2022
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Rong ZHU
C21 - METALLURGY OF IRON