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CPC
C21B7/00
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Parent Industries
C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21B
MANUFACTURE OF IRON OR STEEL
Current Industry
C21B7/00
Blast furnaces
Sub Industries
C21B7/002
Evacuating and treating of exhaust gases
C21B7/005
Bleeder valves or slides
C21B7/007
Controlling or regulating of the top pressure
C21B7/02
Internal forms
C21B7/04
with special refractories
C21B7/06
Linings for furnaces
C21B7/08
Top armourings
C21B7/10
Cooling Devices therefor
C21B7/103
Detection of leakages of the cooling liquid
C21B7/106
Cooling of the furnace bottom
C21B7/12
Opening or sealing the tap holes
C21B7/125
Refractory plugging mass
C21B7/14
Discharging devices
C21B7/16
Tuyéres
C21B7/163
Blowpipe assembly
C21B7/166
Tuyere replacement apparatus
C21B7/18
Bell-and-hopper arrangements
C21B7/20
with appliances for distributing the burden
C21B7/22
Dust arresters
C21B7/24
Test rods or other checking devices
Industries
Overview
Organizations
People
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of detecting crack propagation in wall of a metallurgical fu...
Patent number
11,994,495
Issue date
May 28, 2024
Tata Steel Limited
Sanjay Chandra
G01 - MEASURING TESTING
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
Blast furnace apparatus and operation method for blast furnace
Patent number
11,940,215
Issue date
Mar 26, 2024
JFE Steel Corporation
Yusuke Kashihara
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and device for monitoring blast furnace state based on multi...
Patent number
11,898,212
Issue date
Feb 13, 2024
Zhejiang University
Xiaoyu Tang
C21 - METALLURGY OF IRON
Information
Patent Grant
Surface profile detection apparatus of burden in blast furnace and...
Patent number
11,891,672
Issue date
Feb 6, 2024
WADECO CO., LTD.
Hayae Kayano
C21 - METALLURGY OF IRON
Information
Patent Grant
Hole-opening bit and tap hole opening method using same
Patent number
11,821,048
Issue date
Nov 21, 2023
JFE Steel Corporation
Yohei Kitamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Brick lining forming method
Patent number
11,708,617
Issue date
Jul 25, 2023
Krosakiharima Corporation
Kazuhiko Takeuchi
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Method for charging raw materials into blast furnace
Patent number
11,680,748
Issue date
Jun 20, 2023
JFE Steel Corporation
Kazuhira Ichikawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Methods for coal combustion product (CCP) recovery and related prod...
Patent number
11,603,332
Issue date
Mar 14, 2023
ECO MATERIAL TECHNOLOGIES IP INC.
Clinton Wesley Pike
C21 - METALLURGY OF IRON
Information
Patent Grant
P process of making pig iron in a blast furnace using pellets conta...
Patent number
11,572,597
Issue date
Feb 7, 2023
Subcoal International B.V.
Lars Jennissen
C21 - METALLURGY OF IRON
Information
Patent Grant
Charging system, in particular for a shaft smelt reduction furnace
Patent number
11,542,565
Issue date
Jan 3, 2023
Paul Wurth S.A.
Patrick Hutmacher
C21 - METALLURGY OF IRON
Information
Patent Grant
Cooling box for a shaft furnace
Patent number
11,535,904
Issue date
Dec 27, 2022
Paul Wurth S.A.
Stefano Olivieri
C21 - METALLURGY OF IRON
Information
Patent Grant
Blast furnace apparatus and operation method for blast furnace
Patent number
11,512,899
Issue date
Nov 29, 2022
JFE Steel Corporation
Yusuke Kashihara
C21 - METALLURGY OF IRON
Information
Patent Grant
Cooling plate for metallurgical furnace
Patent number
11,505,840
Issue date
Nov 22, 2022
Paul Wurth S.A.
Nicolas Maggioli
C21 - METALLURGY OF IRON
Information
Patent Grant
Swiveling sanding system
Patent number
11,454,445
Issue date
Sep 27, 2022
Celebre 2000 Inc.
Claudio Celebre
C21 - METALLURGY OF IRON
Information
Patent Grant
Fine ratio measuring device and fine ratio measuring system
Patent number
11,403,747
Issue date
Aug 2, 2022
JFE Steel Corporation
Naoshi Yamahira
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Dry dust removal from furnace gas
Patent number
11,397,051
Issue date
Jul 26, 2022
DANIELI CORUS B.V.
Wouter Bernd Ewalts
C21 - METALLURGY OF IRON
Information
Patent Grant
Shaft furnace condition monitoring
Patent number
11,377,701
Issue date
Jul 5, 2022
Paul Wurth S.A.
Christian De Gruiter
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
Copper cooling plate with multilayer protrusions comprising wear re...
Patent number
11,319,604
Issue date
May 3, 2022
Arcelormittal
Ignacio Herrero Blanco
C21 - METALLURGY OF IRON
Information
Patent Grant
Drill bit
Patent number
11,306,541
Issue date
Apr 19, 2022
TMT-Tapping Measuring Technology SARL
Romain Clesen
C21 - METALLURGY OF IRON
Information
Patent Grant
Manufacturing process control with deep learning-based predictive m...
Patent number
11,242,575
Issue date
Feb 8, 2022
International Business Machines Corporation
Young Min Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cooling panel for metallurgical furnace
Patent number
11,225,694
Issue date
Jan 18, 2022
Paul Wurth S.A.
Giang Kien Ly
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Sealing valve arrangement for a shaft furnace charging installation
Patent number
11,199,359
Issue date
Dec 14, 2021
Paul Wurth S.A.
Charles Steichen
C21 - METALLURGY OF IRON
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
Copper cooling plate with wear resistant inserts, for a blast furnace
Patent number
11,150,020
Issue date
Oct 19, 2021
Arcelormittal
Ignacio Herrero Blanco
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Method for fabricating dilution holes in ceramic matrix composite c...
Patent number
11,149,684
Issue date
Oct 19, 2021
Raytheon Technologies Corporation
Gary J. Dillard
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Blast furnace stockhouse arrangement
Patent number
11,142,803
Issue date
Oct 12, 2021
Paul Wurth S.A.
Giovanni Pongiglione
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Extraction device for a tuyere part
Patent number
11,021,764
Issue date
Jun 1, 2021
Paul Wurth S.A.
Claude Thinnes
C21 - METALLURGY OF IRON
Information
Patent Grant
Surface detection apparatus for blast furnace
Patent number
11,021,765
Issue date
Jun 1, 2021
WADECO CO., LTD.
Hayae Kayano
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
COOLING SYSTEM FOR A METALLURGICAL FURNACE
Publication number
20240200157
Publication date
Jun 20, 2024
PAUL WURTH S.A.
Giang Kien LY
C21 - METALLURGY OF IRON
Information
Patent Application
Reactors and Methods for Production of Sustainable Chemicals using...
Publication number
20240167170
Publication date
May 23, 2024
Dioxycle
Ruperto G Mariano
C21 - METALLURGY OF IRON
Information
Patent Application
RESIDUAL LIQUID AMOUNT DETECTION METHOD AND DETECTION APPARATUS FOR...
Publication number
20240132982
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Yuki KAWASHIRI
C21 - METALLURGY OF IRON
Information
Patent Application
HEIGHT-ADJUSTABLE SLAG TRANSPORTER
Publication number
20240124283
Publication date
Apr 18, 2024
TML Technik GmbH
Christof MIKAT
C21 - METALLURGY OF IRON
Information
Patent Application
BLEED-OFF GAS RECOVERY IN A DIRECT REDUCTION PROCESS
Publication number
20240084410
Publication date
Mar 14, 2024
HYBRIT Development AB
Farzad Mohseni-Mörner
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR OPERATING A BLAST FURNACE PLANT
Publication number
20240077255
Publication date
Mar 7, 2024
PAUL WURTH S.A.
Paul TOCKERT
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR CHARGING RAW MATERIALS INTO BLAST FURNACE
Publication number
20240052439
Publication date
Feb 15, 2024
JFE STEEL CORPORATION
Kazuhira Ichikawa
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND DEVICE FOR MONITORING BLAST FURNACE STATE BASED ON MULTI...
Publication number
20240026474
Publication date
Jan 25, 2024
Zhejiang University
Xiaoyu TANG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING PIG IRON IN A SHAFT FURNACE
Publication number
20240018615
Publication date
Jan 18, 2024
ThyssenKrupp Steel Europe AG
Nils JÄGER
C21 - METALLURGY OF IRON
Information
Patent Application
Improved blast furnace distributing device with nitrogen sealing st...
Publication number
20240002963
Publication date
Jan 4, 2024
CISDI ENGINEERING CO., LTD.
Yunfeng Ma
C21 - METALLURGY OF IRON
Information
Patent Application
Device to inject a reducing gas into a shaft furnace
Publication number
20230366049
Publication date
Nov 16, 2023
ArcelorMittal
Edouard IZARD
C21 - METALLURGY OF IRON
Information
Patent Application
Blast furnace for ironmaking production
Publication number
20230366048
Publication date
Nov 16, 2023
ArcelorMittal
Dominique SERT
C21 - METALLURGY OF IRON
Information
Patent Application
Device to inject a reducing gas into a shaft furnace
Publication number
20230366050
Publication date
Nov 16, 2023
ARCELORMITTAL
Edouard IZARD
C21 - METALLURGY OF IRON
Information
Patent Application
Blast furnace for ironmaking production
Publication number
20230366047
Publication date
Nov 16, 2023
ARCELORMITTAL
Edouard IZARD
C21 - METALLURGY OF IRON
Information
Patent Application
Blast furnace for ironmaking production
Publication number
20230349014
Publication date
Nov 2, 2023
ARCELORMITTAL
Dominique SERT
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR OPERATING A BLAST FURNACE INSTALLATION
Publication number
20230340628
Publication date
Oct 26, 2023
PAUL WURTH S.A.
Cristiano CASTAGNOLA
C21 - METALLURGY OF IRON
Information
Patent Application
OPERATION GUIDANCE METHOD, BLAST FURNACE OPERATION METHOD, HOT META...
Publication number
20230313329
Publication date
Oct 5, 2023
JFE STEEL CORPORATION
Yoshinari HASHIMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR CONTROLLING HOT METAL TEMPERATURE, OPERATION GUIDANCE ME...
Publication number
20230251036
Publication date
Aug 10, 2023
JFE STEEL CORPORATION
Yoshinari HASHIMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
MUD MATERIAL
Publication number
20230227632
Publication date
Jul 20, 2023
SHINAGAWA REFRACTORIES CO., LTD.
Yuga YAMAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
SYSTEM NETWORK AND METHOD FOR OPERATING A SYSTEM NETWORK OF THIS TY...
Publication number
20230219815
Publication date
Jul 13, 2023
ThyssenKrupp Industrial Solutions AG
Nils TENHUMBERG
C01 - INORGANIC CHEMISTRY
Information
Patent Application
STEELMAKING LINE AND METHOD OF PRODUCING REDUCED IRON
Publication number
20230175084
Publication date
Jun 8, 2023
JFE STEEL CORPORATION
Koichi TAKAHASHI
C21 - METALLURGY OF IRON
Information
Patent Application
BLAST FURNACE OPERATION METHOD
Publication number
20230175085
Publication date
Jun 8, 2023
JFE STEEL CORPORATION
Kazuhira ICHIKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
OPTIMAL CALCULATION METHOD OF ENERGY OPERATING CONDITION IN IRON MI...
Publication number
20230151447
Publication date
May 18, 2023
JFE STEEL CORPORATION
Tomoyoshi OGASAHARA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR DETECTING FLUCTUATION OF SOLIDIFIED LAYER AND METHOD FOR...
Publication number
20230151448
Publication date
May 18, 2023
JFE STEEL CORPORATION
Kazuhira ICHIKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
SOLID CARBON PRODUCTION DEVICE AND SOLID CARBON PRODUCTION METHOD
Publication number
20230150820
Publication date
May 18, 2023
Mitsubishi Heavy Industries, Ltd.
Takuya Hirata
C21 - METALLURGY OF IRON
Information
Patent Application
BLAST FURNACE SLAG GRANULATION AND WASTE HEAT RECOVERY AND UTILIZAT...
Publication number
20230100959
Publication date
Mar 30, 2023
Baoshan Iron & Steel Co., Ltd
Yongli XIAO
C21 - METALLURGY OF IRON
Information
Patent Application
METHODS FOR MANUFACTURING HIGH HEAT FLUX REGIME COOLERS
Publication number
20230097541
Publication date
Mar 30, 2023
Allan J. MacRae
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
BLAST FURNACE PLANT AND SHUTDOWN PROCESS
Publication number
20230026068
Publication date
Jan 26, 2023
DANIELI CORUS B.V.
Riekelt DE BOER
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR CONVERTING A BLAST FURNACE PLANT
Publication number
20230008316
Publication date
Jan 12, 2023
PAUL WURTH S.A.
Klaus Peter KINZEL
C01 - INORGANIC CHEMISTRY