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C21D9/565
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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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C21D9/565
Sealing arrangements
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Patents Grants
last 30 patents
Information
Patent Grant
Sealing device for a continuous furnace
Patent number
11,427,883
Issue date
Aug 30, 2022
SMS group GMBH
Dieter Brandstaetter
C21 - METALLURGY OF IRON
Information
Patent Grant
Manufacture of a stress relieved length of steel having an oxidised...
Patent number
11,414,738
Issue date
Aug 16, 2022
Liberty Performance Steels Limited
Carl Jukes
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Sealing device
Patent number
11,401,575
Issue date
Aug 2, 2022
JFE Steel Corporation
Takashi Doi
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel-strip production apparatus
Patent number
10,273,557
Issue date
Apr 30, 2019
JFE Steel Corporation
Sachihiro Iida
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Electric induction gas-sealed tunnel furnace
Patent number
9,400,136
Issue date
Jul 26, 2016
Inductotherm Corp.
Jean Lovens
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel wire tempering liquid wiping device
Patent number
9,028,742
Issue date
May 12, 2015
Shan Dong Daye Co., Ltd
Yong Dou
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for controlling a protective gas atmosphere in a protective...
Patent number
8,893,402
Issue date
Nov 25, 2014
Andritz Technology and Asset Management GmbH
Martin Hamman
C21 - METALLURGY OF IRON
Information
Patent Grant
Device for heat treating metallic webs in-line
Patent number
6,895,692
Issue date
May 24, 2005
Carl Kramer
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of making safe a heat treatment enclosure operating under a...
Patent number
6,547,898
Issue date
Apr 15, 2003
François Mignard
C21 - METALLURGY OF IRON
Information
Patent Grant
Sealing apparatus in continuous heat-treatment furnace and sealing...
Patent number
6,341,955
Issue date
Jan 29, 2002
Kawasaki Steel Corporation
Naoto Ueno
C21 - METALLURGY OF IRON
Information
Patent Grant
Air lock
Patent number
6,334,751
Issue date
Jan 1, 2002
Recherche et Developpment du Groupe Cockerill Sambre, en abrégé RD-CS
Pierre Vanden Brande
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Continuous heat treating furnace and atmosphere control method and...
Patent number
6,190,164
Issue date
Feb 20, 2001
Kawasaki Steel Corporation
Naoto Ueno
C21 - METALLURGY OF IRON
Information
Patent Grant
Sealing apparatus for compartment inlet/outlet of atmosphere facility
Patent number
5,866,064
Issue date
Feb 2, 1999
Nisshin Steel Co., Ltd.
Nakamura Teruhisa
C21 - METALLURGY OF IRON
Information
Patent Grant
Sealing apparatus for inlet/outlet of compartment of continuous hea...
Patent number
5,842,855
Issue date
Dec 1, 1998
Nisshin Steel Co., Ltd.
Teruhisa Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Seal assembly for heat treatment furnaces using an atmospheric gas...
Patent number
5,791,656
Issue date
Aug 11, 1998
Nisshin Steel Co., Ltd.
Teruhisa Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Sealing apparatus for inlet/outlet of atmosphere heat treatment fur...
Patent number
5,769,629
Issue date
Jun 23, 1998
Nisshin Steel Co., Ltd.
Teruhisa Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Seal assembly for thermal treatment furnaces using an atmospheric g...
Patent number
5,693,288
Issue date
Dec 2, 1997
Nisshin Steel Co., Ltd.
Teruhisa Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Sealing apparatus for inlet/outlet of atmosphere facility
Patent number
5,685,088
Issue date
Nov 11, 1997
Nisshin Steel Co., Ltd.
Teruhisa Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and assembly for sealing up the entrance and exit of a heat-...
Patent number
5,683,651
Issue date
Nov 4, 1997
Nisshin Steel Co., Ltd.
Teruhisa Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Sealing device of compartment gateways of continuous annealing furn...
Patent number
5,678,831
Issue date
Oct 21, 1997
Nisshin Steel Co., Ltd.
Teruhisa Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of detection and treatment of fires in seal means of compart...
Patent number
5,658,527
Issue date
Aug 19, 1997
Nisshin Steel Co., Ltd.
Teruhisa Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Seal assembly for superconducting magnet tape ovens
Patent number
5,332,867
Issue date
Jul 26, 1994
General Electric Company
Frank D. Shaffer
C21 - METALLURGY OF IRON
Information
Patent Grant
Sealing apparatus for continuous vacuum treating equipment
Patent number
5,252,135
Issue date
Oct 12, 1993
Chugai Ro Co., Ltd.
Koji Murakami
C21 - METALLURGY OF IRON
Information
Patent Grant
Differential pressure sealing apparatus and method
Patent number
5,192,585
Issue date
Mar 9, 1993
Kawasaki Steel Corp.
Yukio Inokuti
C21 - METALLURGY OF IRON
Information
Patent Grant
Sealing element for feeding through at least one elongated object s...
Patent number
5,050,416
Issue date
Sep 24, 1991
N.V. Bekaert S.A.
Guy Gobin
C21 - METALLURGY OF IRON
Information
Patent Grant
Feed-through elements therefor
Patent number
4,811,583
Issue date
Mar 14, 1989
N.V. Bekaert S.A.
Hugo Lievens
C21 - METALLURGY OF IRON
Information
Patent Grant
Feed-through element for a vacuum apparatus
Patent number
4,790,165
Issue date
Dec 13, 1988
N.V. Bekaert S.A.
Hugo Lievens
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Feed-through element for a vacuum apparatus
Patent number
4,787,227
Issue date
Nov 29, 1988
N.V. Bekaert S.A.
Hugo Lievens
C21 - METALLURGY OF IRON
Information
Patent Grant
Charging sluice for annealing oven
Patent number
4,681,536
Issue date
Jul 21, 1987
Otto Junker GmbH
Rudolf Jansen
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for vacuum deposition plating steel strip
Patent number
4,676,999
Issue date
Jun 30, 1987
Mitsubishi Jukogyo Kabushiki Kaisha
Heizaburo Furukawa
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
SEALING DEVICE
Publication number
20200040425
Publication date
Feb 6, 2020
JFE STEEL CORPORATION
Takashi Doi
C21 - METALLURGY OF IRON
Information
Patent Application
Sealing Device for a Continuous Furnace
Publication number
20200002781
Publication date
Jan 2, 2020
SMS Group GmbH
Dieter Brandstaetter
C21 - METALLURGY OF IRON
Information
Patent Application
Manufacture of a stress relieved length of steel having an oxidised...
Publication number
20190242002
Publication date
Aug 8, 2019
LIBERTY PERFORMANCE STEELS LIMITED
Carl Jukes
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR CONTROLLING A PROTECTIVE GAS ATMOSPHERE IN A PROTECTIVE...
Publication number
20130305559
Publication date
Nov 21, 2013
ANDRITZ TECHNOLOGY AND ASSET MANAGEMENT GMBH
Martin Hamman
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL WIRE TEMPERING LIQUID WIPING DEVICE
Publication number
20130277897
Publication date
Oct 24, 2013
Shan Dong Daye Co., Ltd.
Yong Dou
C21 - METALLURGY OF IRON
Information
Patent Application
ANNEALING INSTALLATION WITH M-SHAPED STRIP TREATMENT TUNNEL
Publication number
20130127095
Publication date
May 23, 2013
ANDRITZ THERMTEC B.V.
Leo Antonius Ruiter
C21 - METALLURGY OF IRON
Information
Patent Application
Electric Induction Gas-Sealed Tunnel Furnace
Publication number
20110292962
Publication date
Dec 1, 2011
Jean LOVENS
C21 - METALLURGY OF IRON
Information
Patent Application
DEVICE FOR SECURING A FURNACE PROVIDED WITH A RAPID COOLING AND HEA...
Publication number
20090158975
Publication date
Jun 25, 2009
FIVES STEIN
Xavier Cluzel
C21 - METALLURGY OF IRON
Information
Patent Application
Device for heat treating metallic webs in-line
Publication number
20040154182
Publication date
Aug 12, 2004
Carl Kramer
C21 - METALLURGY OF IRON
Information
Patent Application
Method of making safe a heat treatment enclosure operating under a...
Publication number
20010045024
Publication date
Nov 29, 2001
Stein Heurtey
Francois Mignard
C21 - METALLURGY OF IRON