Bell-type furnaces

Industry

CPC
C21D9/663

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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21DMODIFYING 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 C21D9/00Heat treatment

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C21D9/663Bell-type furnaces

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Portable carrier device for a furnace charge and handling system fo...
- Patent number 11,807,913
- Issue date Nov 7, 2023
- Ebner Industrieofenbau GmbH
- Robert Ebner
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-rolled flat steel product and method for the production thereof
- Patent number 11,371,113
- Issue date Jun 28, 2022
- Evonik Operations GmbH
- Manuela Irnich
- C21 - METALLURGY OF IRON
Information Patent Grant
Heating furnace for heating annular component
- Patent number 10,718,570
- Issue date Jul 21, 2020
- Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd.
- Shengjun Ma
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Insulation enclosure with compliant independent members
- Patent number 9,896,886
- Issue date Feb 20, 2018
- Halliburton Energy Services, Inc.
- Grant O. Cook
- C21 - METALLURGY OF IRON
Information Patent Grant
Bell annealing furnace
- Patent number 8,636,946
- Issue date Jan 28, 2014
- Emisshield, Inc.
- John W. Olver
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for producing a cold-rolled strip or sheet of steel and str...
- Patent number 6,749,696
- Issue date Jun 15, 2004
- Salzgitter AG
- Klaus Freier
- C21 - METALLURGY OF IRON
Information Patent Grant
Adjustable ratio control system and method
- Patent number 6,609,906
- Issue date Aug 26, 2003
- SECO/Warwick
- Robert C. Larko
- C21 - METALLURGY OF IRON
Information Patent Grant
Top hat furnace
- Patent number 6,346,214
- Issue date Feb 12, 2002
- Otto Junker GmbH
- Arne-Nils Knudsen
- C21 - METALLURGY OF IRON
Information Patent Grant
Cast refractory base segments and modular fiber seal system for plu...
- Patent number 5,756,043
- Issue date May 26, 1998
- Gary L. Coble
- C21 - METALLURGY OF IRON
Information Patent Grant
Cast refractory base segments and modular fiber seal system for plu...
- Patent number 5,578,264
- Issue date Nov 26, 1996
- Gary L. Coble
- C21 - METALLURGY OF IRON
Information Patent Grant
Cast refractory base segments and modular fiber seal system for plu...
- Patent number 5,575,970
- Issue date Nov 19, 1996
- Gary L. Coble
- C21 - METALLURGY OF IRON
Information Patent Grant
Bell furnance and hardening vat arrangement
- Patent number 4,858,893
- Issue date Aug 22, 1989
- Beuret; Pierre
- Pierre Beuret
- C21 - METALLURGY OF IRON
Information Patent Grant
Annealing furnace
- Patent number 4,846,675
- Issue date Jul 11, 1989
- Worthington Industries, Inc.
- Mohamed M. Soliman
- C21 - METALLURGY OF IRON
Information Patent Grant
Oven for thermo-magnetic treatment of toroidal coils of amorphous f...
- Patent number 4,812,608
- Issue date Mar 14, 1989
- Hydro-Quebec
- Nicolas Alexandrov
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for producing a grain-oriented electromagnetic steel stri...
- Patent number 4,621,794
- Issue date Nov 11, 1986
- Nippon Steel Corporation
- Katsuaki Kokai
- C21 - METALLURGY OF IRON
Information Patent Grant
Batch coil annealing furnace and method
- Patent number 4,596,526
- Issue date Jun 24, 1986
- Worthington Industries, Inc.
- Mohamed M. Soliman
- C21 - METALLURGY OF IRON
Information Patent Grant
Rotary hearth finish annealing furnace
- Patent number 4,544,142
- Issue date Oct 1, 1985
- Kawasaki Steel Corporation
- Shigeru Yoshida
- C21 - METALLURGY OF IRON
Information Patent Grant
High temperature box annealing furnace
- Patent number 4,504,957
- Issue date Mar 12, 1985
- Armco Inc.
- John R. McClelland
- C21 - METALLURGY OF IRON
Information Patent Grant
Batch annealing apparatus
- Patent number 4,502,671
- Issue date Mar 5, 1985
- Nippon Steel Corporation
- Kiyoharu Omura
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for producing a grain-oriented electromagnetic steel strip...
- Patent number 4,500,366
- Issue date Feb 19, 1985
- Nippon Steel Corporation
- Katsuaki Kokai
- C21 - METALLURGY OF IRON
Information Patent Grant
Metal charge treatment apparatus
- Patent number 4,415,145
- Issue date Nov 15, 1983
- Firma Dr. Werner Herdieckerhoff
- Rainer Herdieckerhoff
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for effecting uniform heat transfer in an indu...
- Patent number 4,142,712
- Issue date Mar 6, 1979
- Midland-Ross Corporation
- Klaus H. Hemsath
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of operating a batch type annealing furnace using a plasma h...
- Patent number 3,980,467
- Issue date Sep 14, 1976
- Salvador L. Camacho
- C21 - METALLURGY OF IRON
Information Patent Grant
Open coil heat shielding
- Patent number 3,975,145
- Issue date Aug 17, 1976
- Lee Wilson Engineering Company, Inc.
- Robert R. Hill
- C21 - METALLURGY OF IRON
Information Patent Grant
3898108
- Patent number 3,898,108
- Issue date Aug 5, 1975
- C21 - METALLURGY OF IRON
Information Patent Grant
3867093
- Patent number 3,867,093
- Issue date Feb 18, 1975
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
3850417
- Patent number 3,850,417
- Issue date Nov 26, 1974
- C21 - METALLURGY OF IRON
Information Patent Grant
3832129
- Patent number 3,832,129
- Issue date Aug 27, 1974
- C21 - METALLURGY OF IRON
Information Patent Grant
3733174
- Patent number 3,733,174
- Issue date May 15, 1973
- C21 - METALLURGY OF IRON
Information Patent Grant
3693955
- Patent number 3,693,955
- Issue date Sep 26, 1972
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Hot-Rolled Flat Steel Product and Method for the Production Thereof
- Publication number 20200071785
- Publication date Mar 5, 2020
- ThyssenKrupp Steel Europe AG
- Manuela Ahrenhold
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRE-HEATING ANNEALING MATERIAL IN A HOOD-TYPE ANNEALING...
- Publication number 20130040256
- Publication date Feb 14, 2013
- EBNER INDUSTRIEOFENBAU GMBH
- Robert Ebner
- C21 - METALLURGY OF IRON
Information Patent Application
MANUFACTURING GALVANNEALED SHEETS BY HEAT-TREATING ELECTROLYTICALLY...
- Publication number 20120279868
- Publication date Nov 8, 2012
- VOESTALPINE STAHL GMBH
- Johann Gerdenitsch
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCING METHOD THEREFOR
- Publication number 20120028069
- Publication date Feb 2, 2012
- NIPPON STEEL CORPORATION
- Tatsuhiko Sakai
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT RETENTION TUNNEL FOR PROCESSING COILS OF HOT ROLLED BAR AND RO...
- Publication number 20110049773
- Publication date Mar 3, 2011
- Bruce V. Kiefer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Process for producing a cold-rolled strip or sheet of steel and str...
- Publication number 20030145919
- Publication date Aug 7, 2003
- Klaus Freier
- C21 - METALLURGY OF IRON

Bell-type furnaces

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Portable carrier device for a furnace charge and handling system fo...

Hot-rolled flat steel product and method for the production thereof

Heating furnace for heating annular component

Insulation enclosure with compliant independent members

Bell annealing furnace

Process for producing a cold-rolled strip or sheet of steel and str...

Adjustable ratio control system and method

Top hat furnace

Cast refractory base segments and modular fiber seal system for plu...

Cast refractory base segments and modular fiber seal system for plu...

Cast refractory base segments and modular fiber seal system for plu...

Bell furnance and hardening vat arrangement

Annealing furnace

Oven for thermo-magnetic treatment of toroidal coils of amorphous f...

Apparatus for producing a grain-oriented electromagnetic steel stri...

Batch coil annealing furnace and method

Rotary hearth finish annealing furnace

High temperature box annealing furnace

Batch annealing apparatus

Process for producing a grain-oriented electromagnetic steel strip...

Metal charge treatment apparatus

Method and apparatus for effecting uniform heat transfer in an indu...

Method of operating a batch type annealing furnace using a plasma h...

Open coil heat shielding

3898108

3867093

3850417

3832129

3733174

3693955

Patents Applicationslast 30 patents

Hot-Rolled Flat Steel Product and Method for the Production Thereof

METHOD FOR PRE-HEATING ANNEALING MATERIAL IN A HOOD-TYPE ANNEALING...

MANUFACTURING GALVANNEALED SHEETS BY HEAT-TREATING ELECTROLYTICALLY...

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCING METHOD THEREFOR

HEAT RETENTION TUNNEL FOR PROCESSING COILS OF HOT ROLLED BAR AND RO...

Process for producing a cold-rolled strip or sheet of steel and str...