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CPC
C21B5/026
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Parent Industries
C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21B
MANUFACTURE OF IRON OR STEEL
C21B5/00
Making pig-iron in the blast furnace
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C21B5/026
of plastic material
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Patents Grants
last 30 patents
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
Process for the introduction of inorganic solids into hot liquid melts
Patent number
9,109,267
Issue date
Aug 18, 2015
Sachtleben Chemie GmbH
Djamschid Amirzadeh-Asl
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for the simultaneous production of iron and a crude syngas c...
Patent number
8,992,663
Issue date
Mar 31, 2015
Thyssenkrupp Uhde GmbH
Johannes Menzel
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for carrying out a metallurgical process
Patent number
7,998,242
Issue date
Aug 16, 2011
Iron Mount Corporation
Leonard Reiffel
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for carrying out a metallurgical process
Patent number
7,931,732
Issue date
Apr 26, 2011
Iron Mount Corporation
Leonard Reiffel
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for carrying out a metallurgical process
Patent number
7,674,315
Issue date
Mar 9, 2010
Iron Mount Corporation
Leonard Reiffel
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for blowing synthetic resins as a fuel into a furnace
Patent number
6,660,052
Issue date
Dec 9, 2003
NKK Corporation
Hiromi Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of processing synthetic resins into a furnace fuel and metho...
Patent number
6,540,798
Issue date
Apr 1, 2003
NKK Corporation
Minoru Asanuma
C21 - METALLURGY OF IRON
Information
Patent Grant
Rotary hearth furnace for reducing oxides, and method of operating...
Patent number
6,270,552
Issue date
Aug 7, 2001
Kawasaki Steel Corporation
Kanji Takeda
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of blowing synthetic resin into a furnace
Patent number
6,230,634
Issue date
May 15, 2001
NKK Corporation
Iwao Okochi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for blowing synthetic resin into furnace
Patent number
6,085,672
Issue date
Jul 11, 2000
NKK Corporation
Hiromi Nakamura
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Scrap melting process
Patent number
6,053,962
Issue date
Apr 25, 2000
NKK Corporation
Tatsuro Ariyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of blowing synthetic resin into furnace and apparatus therefor
Patent number
5,992,335
Issue date
Nov 30, 1999
NKK Corporation
Hiromi Nakamura
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Residue and waste treatment process
Patent number
5,785,734
Issue date
Jul 28, 1998
Max Gutknecht
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Process of recycling iron oxides and plastics in steelmaking
Patent number
5,554,207
Issue date
Sep 10, 1996
USX Corporation
Eugene A. Bogdan
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of thermal utilization of waste materials
Patent number
5,550,312
Issue date
Aug 27, 1996
Noell-DBI Energie-Und Entsorgungstechnik GmbH
Manfred Schingnitz
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for continuously melting down scrap metal
Patent number
5,500,032
Issue date
Mar 19, 1996
Voest-Alpine Industrieanlagenbau GmbH
Wolfgang Nieder
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for preheating and removing organic materials from scrap...
Patent number
5,221,512
Issue date
Jun 22, 1993
Blufin S.r.l.
Roberto Sancinelli
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for preheating scrap iron by pyrolysis of resinous residues...
Patent number
5,186,740
Issue date
Feb 16, 1993
Blufin S.r.l.
Roberto Sancinelli
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for the gasification of sewage sludge
Patent number
4,793,855
Issue date
Dec 27, 1988
Rolf Hauk
C21 - METALLURGY OF IRON
Information
Patent Grant
Powder feeder
Patent number
4,733,619
Issue date
Mar 29, 1988
Ube Industries
Sadahiko Maeda
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for the continuous blowing of fine-particled reducing agent...
Patent number
4,402,275
Issue date
Sep 6, 1983
Arbed S.A.
Antoine Weiner
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing fuel gases from carbonaceous material
Patent number
4,244,180
Issue date
Jan 13, 1981
Rasor Associates, Inc.
Ned S. Rasor
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing metal from metal oxides
Patent number
4,072,504
Issue date
Feb 7, 1978
Aktiebolaget Svenska Kullagerfabriken
Orn G. Perdahl
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for manufacturing reducing gas
Patent number
3,998,606
Issue date
Dec 21, 1976
Nippon Kokan Kabushiki Kaisha
Tsuneo Miyashita
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
P PROCESS OF MAKING PIG IRON IN A BLAST FURNACE USING PELLETS CONTA...
Publication number
20200347468
Publication date
Nov 5, 2020
SUBCOAL INTERNATIONAL B.V.
Lars JENNISSEN
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND APPARATUS FOR CARRYING OUT A METALLURGICAL PROCESS
Publication number
20120144955
Publication date
Jun 14, 2012
IRON MOUNT CORPORATION
Leonard Reiffel
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR THE SIMULTANEOUS PRODUCTION OF IRON AND A CRUDE SYNGAS C...
Publication number
20120079917
Publication date
Apr 5, 2012
THYSSENKRUPP UHDE GMBH
Johannes Menzel
C21 - METALLURGY OF IRON
Information
Patent Application
Process for the introduction of inorganic solids into hot liquid melts
Publication number
20110265607
Publication date
Nov 3, 2011
Djamschid AMIRADEH-ASL
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND APPARATUS FOR CARRYING OUT A METALLURGICAL PROCESS
Publication number
20110030842
Publication date
Feb 10, 2011
Leonard Reiffel
C21 - METALLURGY OF IRON
Information
Patent Application
Method and apparatus for carrying out a metallurgical process
Publication number
20100122607
Publication date
May 20, 2010
Leonard Reiffel
C21 - METALLURGY OF IRON
Information
Patent Application
Method for the introduction of inorganic solid bodies into hot liqu...
Publication number
20070074599
Publication date
Apr 5, 2007
Djamschid Amirzadeh-Asl
C21 - METALLURGY OF IRON
Information
Patent Application
Method and apparatus for carrying out a metallurgical process
Publication number
20050274224
Publication date
Dec 15, 2005
Leonard Reiffel
C21 - METALLURGY OF IRON
Information
Patent Application
Pellets and method for producing the same
Publication number
20030021991
Publication date
Jan 30, 2003
Tetsuro Sugayoshi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method for feeding out and transporting powdery and granular materi...
Publication number
20020114672
Publication date
Aug 22, 2002
NKK Corporation
Shinichi Isozaki
C21 - METALLURGY OF IRON
Information
Patent Application
Method of processing synthetic resins into a furnace fuel and metho...
Publication number
20020033124
Publication date
Mar 21, 2002
NKK CORPORATION
Minoru Asanuma
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL