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Harry Tanczyn
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Middletown, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Galling and wear resistant steel alloy
Patent number
4,494,988
Issue date
Jan 22, 1985
Armco Inc.
William J. Schumacher
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High strength austenitic stainless steel exhibiting freedom from em...
Patent number
4,341,555
Issue date
Jul 27, 1982
Armco Inc.
Joseph A. Douthett
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Galling resistant austenitic stainless steel powder product
Patent number
4,220,689
Issue date
Sep 2, 1980
Armco Inc.
William J. Schumacher
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Ferritic stainless steel
Patent number
4,179,285
Issue date
Dec 18, 1979
Armco Inc.
Harry Tanczyn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Galling resistant austenitic stainless steel
Patent number
4,146,412
Issue date
Mar 27, 1979
Armco Steel Corporation
William J. Schumacher
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Galling resistant austenitic stainless steel
Patent number
4,099,967
Issue date
Jul 11, 1978
Armco Steel Corporation
William J. Schumacher
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Abrasion resistant, heat hardenable, stainless steel
Patent number
4,043,843
Issue date
Aug 23, 1977
Armco Steel Corporation
Harry Tanczyn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Galling resistant austenitic stainless steel
Patent number
4,039,356
Issue date
Aug 2, 1977
William J. Schumacher
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for cold-working and stress-relieving non-heat hardenable f...
Patent number
4,022,640
Issue date
May 10, 1977
Armco Steel Corporation
Harry Tanczyn
C21 - METALLURGY OF IRON
Information
Patent Grant
Oxidation and sulfidation resistant austenitic stainless steel
Patent number
3,969,109
Issue date
Jul 13, 1976
Armco Steel Corporation
Harry Tanczyn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...