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C21D9/70
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C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
C21D9/00
Heat treatment
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C21D9/70
Furnaces for ingots
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Patents Grants
last 30 patents
Information
Patent Grant
Large-sized high-Nb superalloy ingot and smelting process thereof
Patent number
11,859,262
Issue date
Jan 2, 2024
Gaona Aero Material Co., Ltd.
Shuo Huang
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing metal ingot
Patent number
11,833,582
Issue date
Dec 5, 2023
Nippon Steel Corporation
Hitoshi Funagane
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing metal ingot
Patent number
11,498,118
Issue date
Nov 15, 2022
Nippon Steel Corporation
Hitoshi Funagane
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Processes for producing superalloys and superalloys obtained by the...
Patent number
11,268,166
Issue date
Mar 8, 2022
FORONI S.P.A.
Andrea Foroni
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for homogenizing steel compositions
Patent number
10,738,367
Issue date
Aug 11, 2020
TerraPower, LLC.
Micah J. Hackett
C21 - METALLURGY OF IRON
Information
Patent Grant
Surface hardenable stainless steels
Patent number
10,351,922
Issue date
Jul 16, 2019
QuesTek Innovations LLC
David R. Snyder
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Hot rolled silicon steel producing method
Patent number
9,496,078
Issue date
Nov 15, 2016
Baoshan Iron & Steel Co., Ltd.
Huawei Zhang
C21 - METALLURGY OF IRON
Information
Patent Grant
Heat treatment of martensitic stainless steel after remelting under...
Patent number
8,808,474
Issue date
Aug 19, 2014
SNECMA
Laurent Ferrer
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and system for processing castings
Patent number
6,901,990
Issue date
Jun 7, 2005
Consolidated Engineering Company, Inc.
Robert Howard
C21 - METALLURGY OF IRON
Information
Patent Grant
Ceramic core spacer blocks for high temperature preheat cycles
Patent number
6,569,379
Issue date
May 27, 2003
Alcoa Inc.
Calvin Bates
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and equipment for bringing metal alloy ingots, billets and t...
Patent number
5,869,811
Issue date
Feb 9, 1999
Reynolds Wheels International Ltd.
Gianni Benni
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and equipment for bringing metal alloy ingots, billets and t...
Patent number
5,665,302
Issue date
Sep 9, 1997
Reynolds Wheels International Ltd.
Gianni Benni
C21 - METALLURGY OF IRON
Information
Patent Grant
Long life cover for heat chamber
Patent number
4,906,184
Issue date
Mar 6, 1990
Schaefer Brothers Incorporated
Robert Milluzzi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of waste disposal, and apparatus for the same
Patent number
4,684,402
Issue date
Aug 4, 1987
Ernest S. Geskin
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of heating, melting and coal conversion
Patent number
4,659,375
Issue date
Apr 21, 1987
Ernest S. Geskin
C21 - METALLURGY OF IRON
Information
Patent Grant
Soaking pit cover
Patent number
4,597,341
Issue date
Jul 1, 1986
Paul V. Suey
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of heating, melting and coal conversion and apparatus for th...
Patent number
4,561,886
Issue date
Dec 31, 1985
Ernest S. Geskin
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for preparing rimming or semi-killed steel ingots for rolli...
Patent number
4,525,917
Issue date
Jul 2, 1985
Armco Inc.
James R. Cook
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and composition for fluidization of accumulated pit scrap in...
Patent number
4,511,124
Issue date
Apr 16, 1985
Lone Star Steel Company
Charles D. Roberts
C21 - METALLURGY OF IRON
Information
Patent Grant
Burners for soaking pit furnaces
Patent number
4,428,728
Issue date
Jan 31, 1984
John Maksim
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of heating, melting, and coal coversion and apparatus for th...
Patent number
4,422,872
Issue date
Dec 27, 1983
Ernest S. Geskin
C21 - METALLURGY OF IRON
Information
Patent Grant
Burners for soaking pit furnaces
Patent number
4,411,617
Issue date
Oct 25, 1983
John Maksim
C21 - METALLURGY OF IRON
Information
Patent Grant
Burner for bottom fired furnace
Patent number
4,392,815
Issue date
Jul 12, 1983
Kawasaki Steel Corporation
Minoru Matsuzaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Olivine bedding material for soaking pits
Patent number
4,379,691
Issue date
Apr 12, 1983
International Minerals & Chemical Corp.
Joseph E. Doninger
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of soaking steel pieces
Patent number
4,311,454
Issue date
Jan 19, 1982
ITOH Iron & Steel Works Co. Ltd.
Seigo Tabuchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of controlling a heating furnace for steel ingots
Patent number
4,225,306
Issue date
Sep 30, 1980
Hoesch Werke Aktiengesellschaft
Hans-Joachim Wick
C21 - METALLURGY OF IRON
Information
Patent Grant
Burner for high temperature combustion air
Patent number
4,214,866
Issue date
Jul 29, 1980
Midland-Ross Corporation
Arvind C. Thekdi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of and an apparatus for soaking steel pieces
Patent number
4,214,868
Issue date
Jul 29, 1980
ITOH Iron & Steel Works Co. Ltd.
Seigo Tabuchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Cover for soaking pits and the like
Patent number
4,210,086
Issue date
Jul 1, 1980
Inland Steel Company
Homer Smith
C21 - METALLURGY OF IRON
Information
Patent Grant
Furnace seal
Patent number
4,183,305
Issue date
Jan 15, 1980
British Steel Corporation
Geoffrey Payne
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
FURNACE WITH MOVABLE BEAM LOAD HANDLING SYSTEM
Publication number
20220090862
Publication date
Mar 24, 2022
SMS GROUP S.P.A.
Jimmy FABRO
C21 - METALLURGY OF IRON
Information
Patent Application
LARGE-SIZED HIGH-NB SUPERALLOY INGOT AND SMELTING PROCESS THEREOF
Publication number
20210062292
Publication date
Mar 4, 2021
Gaona Aero Material Co., Ltd.
Shuo HUANG
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESSES FOR PRODUCING SUPERALLOYS AND SUPERALLOYS OBTAINED BY THE...
Publication number
20200199711
Publication date
Jun 25, 2020
Foroni S.p.A.
Andrea FORONI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING METAL INGOT
Publication number
20200164432
Publication date
May 28, 2020
NIPPON STEEL CORPORATION
Hitoshi FUNAGANE
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SURFACE HARDENABLE STAINLESS STEELS
Publication number
20160040262
Publication date
Feb 11, 2016
QuesTek Innovations LLC
David R. Snyder
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR INCREASING THE TEMPERATURE HOMOGENEITY IN A PIT FURNACE
Publication number
20130209948
Publication date
Aug 15, 2013
Rudiger Eichler
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR INCREASING THE TEMPERATURE HOMOGENEITY IN A PIT FURNACE
Publication number
20130203004
Publication date
Aug 8, 2013
Rudiger Eichler
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT TREATMENT OF MARTENSITIC STAINLESS STEEL AFTER REMELTING UNDER...
Publication number
20120199252
Publication date
Aug 9, 2012
SNECMA
Laurent Ferrer
C21 - METALLURGY OF IRON
Information
Patent Application
Method of production of high flux density grain-oriented silicon st...
Publication number
20090199935
Publication date
Aug 13, 2009
Akira Sakakura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for heating a metal material
Publication number
20070238061
Publication date
Oct 11, 2007
AGA AB
Rudiger Eichler
C21 - METALLURGY OF IRON
Information
Patent Application
Ceramic core spacer blocks for high temperature preheat cycles
Publication number
20060163782
Publication date
Jul 27, 2006
Calvin Bates
C21 - METALLURGY OF IRON
Information
Patent Application
Method and system for processing castings
Publication number
20040108092
Publication date
Jun 10, 2004
Robert Howard
C21 - METALLURGY OF IRON
Information
Patent Application
Ceramic core spacer blocks for high temperature preheat cycles
Publication number
20030031973
Publication date
Feb 13, 2003
Calvin Bates
C21 - METALLURGY OF IRON