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The Algoma Steel Corporation, Limited
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Sault Ste. Marie, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Steel tube alloy
Patent number
5,226,978
Issue date
Jul 13, 1993
The Algoma Steel Corporation, Limited
Patrick J. Hunt
C21 - METALLURGY OF IRON
Information
Patent Grant
Seamless steel tube manufacture
Patent number
5,186,769
Issue date
Feb 16, 1993
The Algoma Steel Corporation, Limited
Patrick J. Hunt
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for shape control of rail during accelerated cooling
Patent number
5,000,798
Issue date
Mar 19, 1991
The Algoma Steel Corporation, Limited
Murray A. Nott
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for the manufacture of hardened railroad rails
Patent number
4,895,605
Issue date
Jan 23, 1990
Algoma Steel Corporation
Robert J. Ackert
C21 - METALLURGY OF IRON
Information
Patent Grant
Pipe quenching apparatus
Patent number
4,803,037
Issue date
Feb 7, 1989
The Algoma Steel Corporation, Limited
Robert M. McBain
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for the production of improved railway rails by accelerat...
Patent number
4,611,789
Issue date
Sep 16, 1986
The Algoma Steel Corporation Limited
Robert J. Ackert
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for the production of improved railway rails by accelerated...
Patent number
4,486,248
Issue date
Dec 4, 1984
The Algoma Steel Corporation Limited
Robert J. Ackert
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for changing tuyeres on a blast furnace
Patent number
4,279,408
Issue date
Jul 21, 1981
The Algoma Steel Corporation, Limited
James L. Egan
C21 - METALLURGY OF IRON
Information
Patent Grant
Removal and/or installation of top section of steelmaking vessel
Patent number
4,130,924
Issue date
Dec 26, 1978
The Algoma Steel Corporation, Limited
Kenneth D. Madill
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel hardening method
Patent number
3,997,375
Issue date
Dec 14, 1976
The Algoma Steel Corporation, Limited
Louis E. Franceschina
C21 - METALLURGY OF IRON
Information
Patent Grant
Treatment of steel
Patent number
3,955,967
Issue date
May 11, 1976
The Algoma Steel Corporation, Limited
John MacNamara
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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last 30 trademarks