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Joseph A. Douthett
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Monroe, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Cost-effective ferritic stainless steel
Patent number
9,816,163
Issue date
Nov 14, 2017
AK Steel Properties, Inc.
Joseph A. Douthett
C21 - METALLURGY OF IRON
Information
Patent Grant
Contoured thickness blank for ammunition cartridges
Patent number
8,505,457
Issue date
Aug 13, 2013
AK Steel Properties, Inc.
Daniel Keith Scherrer
F42 - AMMUNITION BLASTING
Information
Patent Grant
Precoated chromium alloyed steel with enhanced paint adhesion for e...
Patent number
5,783,622
Issue date
Jul 21, 1998
Armco Inc.
Ashok Sabata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Duplex stainless steel with high manganese
Patent number
4,828,630
Issue date
May 9, 1989
Armco Advanced Materials Corporation
James A. Daniels
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Silicon modified low chromium ferritic alloy for high temperature use
Patent number
4,790,977
Issue date
Dec 13, 1988
Armco Advanced Materials Corporation
James A. Daniels
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
Copper and nitrogen containing austenitic stainless steel and fastener
Patent number
4,295,769
Issue date
Oct 20, 1981
Armco Inc.
Joseph A. Douthett
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Ferritic steel alloy with improved high temperature properties
Patent number
4,261,739
Issue date
Apr 14, 1981
Armco Inc.
Joseph A. Douthett
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Internally nitrided ferritic stainless steel strip, sheet and fabri...
Patent number
4,047,981
Issue date
Sep 13, 1977
Armco Steel Corporation
Jerry L. Arnold
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
Cost-effective Ferritic Stainless Steel
Publication number
20130294960
Publication date
Nov 7, 2013
Joseph A. Douthett
C21 - METALLURGY OF IRON
Information
Patent Application
Contoured Thickness Blank for Ammunition Cartridges
Publication number
20130025438
Publication date
Jan 31, 2013
AK STEEL PROPERTIES, INC.
Daniel Keith Scherrer
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Contoured Thickness Blank for Ammunition Cartridges
Publication number
20120012024
Publication date
Jan 19, 2012
Daniel Keith Scherrer
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...