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CHEMISTRY METALLURGY
C21
Iron metallurgy
C21C
PROCESSING OF PIG-IRON
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Recycling of waste material
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Patents Grants
last 30 patents
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
Information
Patent Grant
Steelmaking and ironmaking scrap segregation and packaging system a...
Patent number
11,674,754
Issue date
Jun 13, 2023
Amerifab, Inc.
Richard Manasek
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Steelmaking and ironmaking scrap segregation and packaging system a...
Patent number
11,112,179
Issue date
Sep 7, 2021
Amerifab, Inc.
Richard Manasek
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Systems and methods to preheat ferromagnetic scrap
Patent number
10,989,475
Issue date
Apr 27, 2021
Valery Shver
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of simultaneously recycling plastics and detoxifying chromit...
Patent number
10,745,770
Issue date
Aug 18, 2020
Qingdao Technological University
Dalei Zhang
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Asbestos processing
Patent number
10,400,295
Issue date
Sep 3, 2019
PMC International B.V.
Klaas Jansen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for recycling-processing of dust generated in converter furn...
Patent number
10,155,998
Issue date
Dec 18, 2018
ASTEC IRIE CO., LTD.
Kosuke Yamashita
C21 - METALLURGY OF IRON
Information
Patent Grant
Phosphorus and calcium collection method, and mixture produced by s...
Patent number
9,783,418
Issue date
Oct 10, 2017
Nisshin Steel Co., Ltd.
Shoichi Matsuo
C21 - METALLURGY OF IRON
Information
Patent Grant
Starting a smelting process
Patent number
9,771,626
Issue date
Sep 26, 2017
Technological Resources Pty. Limited
Carolyn McCarthy
C21 - METALLURGY OF IRON
Information
Patent Grant
Metal recovery method
Patent number
9,663,838
Issue date
May 30, 2017
Nisshin Steel Co., Ltd.
Takahiro Yoshino
C21 - METALLURGY OF IRON
Information
Patent Grant
Starting a smelting process
Patent number
9,551,044
Issue date
Jan 24, 2017
Technological Resources Pty. Limited
Rodney James Dry
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel production facility
Patent number
9,453,682
Issue date
Sep 27, 2016
Rafic Boulos Daou
C21 - METALLURGY OF IRON
Information
Patent Grant
Adjustable vortexer apparatus
Patent number
8,246,715
Issue date
Aug 21, 2012
Bruno H. Thut
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for recycling steelmaking dust
Patent number
8,080,084
Issue date
Dec 20, 2011
NTN Corporation
Shozo Goto
C21 - METALLURGY OF IRON
Information
Patent Grant
Scrap melting process
Patent number
6,053,962
Issue date
Apr 25, 2000
NKK Corporation
Tatsuro Ariyama
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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
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
LIQUID FEED FOR A BASIC OXYGEN FURNACE
Publication number
20230032245
Publication date
Feb 2, 2023
TATA STEEL IJMUIDEN BV
Petrus Gerardus Jacobus BROERSEN
C21 - METALLURGY OF IRON
Information
Patent Application
DIRECT REDUCTION PROCESS UTILIZING HYDROGEN
Publication number
20210095354
Publication date
Apr 1, 2021
MIDREX TECHNOLOGIES, INC.
Keith Marshall BASTOW-COX
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MAKING STEEL IN AN ELECTRIC ARC FURNACE
Publication number
20180305778
Publication date
Oct 25, 2018
Genrikh Alekseevich DOROFEEV
C21 - METALLURGY OF IRON
Information
Patent Application
SYSTEMS AND METHODS TO PREHEAT FERROMAGNETIC SCRAP
Publication number
20180180358
Publication date
Jun 28, 2018
Valery Shver
C21 - METALLURGY OF IRON
Information
Patent Application
Composite Particle For Steel Making and Ore Refining
Publication number
20170247772
Publication date
Aug 31, 2017
AquaBlok, Ltd.
John H. Hull
C21 - METALLURGY OF IRON
Information
Patent Application
Method for Recycling-Processing of Dust Generated in Converter Furn...
Publication number
20170051369
Publication date
Feb 23, 2017
ASTEC IRIE CO., LTD.
Kosuke YAMASHITA
C21 - METALLURGY OF IRON
Information
Patent Application
ASBESTOS PROCESSING
Publication number
20160376673
Publication date
Dec 29, 2016
PMC Holding B.V.
Klaas Jansen
C21 - METALLURGY OF IRON
Information
Patent Application
PHOSPHORUS AND CALCIUM COLLECTION METHOD, AND MIXTURE PRODUCED BY S...
Publication number
20160347615
Publication date
Dec 1, 2016
NISSHIN STEEL CO., LTD.
Shoichi MATSUO
C21 - METALLURGY OF IRON
Information
Patent Application
STARTING A SMELTING PROCESS
Publication number
20140318320
Publication date
Oct 30, 2014
Rodney James Dry
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL PRODUCTION FACILITY
Publication number
20120006156
Publication date
Jan 12, 2012
Rafic Boulos Daou
C21 - METALLURGY OF IRON
Information
Patent Application
ADJUSTABLE VORTEXER APPARATUS
Publication number
20110290076
Publication date
Dec 1, 2011
Bruno H. Thut
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING REDUCED IRON
Publication number
20110036204
Publication date
Feb 17, 2011
JFE STEEL CORPORATION
Natsuo Ishiwata
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR REMOVING COPPER IN STEEL SCRAPS
Publication number
20110000340
Publication date
Jan 6, 2011
JFE STEEL CORPORATION
Akitoshi Matsui
C21 - METALLURGY OF IRON
Information
Patent Application
Pre-Processing Materials Using Encapsulation Technologies
Publication number
20090193933
Publication date
Aug 6, 2009
Leonard Reiffel
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR RECYCLING STEELMAKING DUST
Publication number
20090165599
Publication date
Jul 2, 2009
NTN CORPORATION
Shozo Goto
B30 - PRESSES
Information
Patent Application
GASIFIER
Publication number
20090077889
Publication date
Mar 26, 2009
New York Energy Group
William J. Duca
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING FUEL GAS
Publication number
20090077891
Publication date
Mar 26, 2009
New York Energy Group
William J. Duca
C21 - METALLURGY OF IRON