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Robert W. Westerlund
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Bettendorf, IA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Aluminum alloy products having improved property combinations and m...
Patent number
10,450,640
Issue date
Oct 22, 2019
Arconic Inc.
Dhruba J. Chakrabarti
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Aluminum alloy products having improved property combinations and m...
Patent number
8,524,014
Issue date
Sep 3, 2013
Alcoa Inc.
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum alloy products having improved property combinations and m...
Patent number
8,083,870
Issue date
Dec 27, 2011
Alcoa Inc.
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum alloy products having improved property combinations and m...
Patent number
7,678,205
Issue date
Mar 16, 2010
Alcoa Inc.
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum alloy products having improved property combinations and m...
Patent number
6,972,110
Issue date
Dec 6, 2005
Alcoa Inc.
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process to improve 6XXX alloys by reducing altered density sites
Patent number
6,911,099
Issue date
Jun 28, 2005
Alcoa Inc.
Paul E. Magnusen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process to improve 6XXX alloys by reducing altered density sites
Patent number
6,613,167
Issue date
Sep 2, 2003
Alcoa Inc.
Paul E. Magnusen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High toughness plate alloy for aerospace applications
Patent number
6,576,071
Issue date
Jun 10, 2003
Alcoa Inc.
John Liu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum sheet products having improved fatigue crack growth resist...
Patent number
6,562,154
Issue date
May 13, 2003
Aloca Inc.
Roberto J. Rioja
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High toughness plate alloy for aerospace applications
Patent number
6,444,058
Issue date
Sep 3, 2002
Alcoa Inc.
John Liu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for treating an aluminum alloy product to improve formabilit...
Patent number
5,810,949
Issue date
Sep 22, 1998
Aluminum Company of America
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Damage tolerant aluminum alloy products useful for aircraft applica...
Patent number
5,213,639
Issue date
May 25, 1993
Aluminum Company of America
Edward L. Colvin
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum-lithium flat rolled product and method of making
Patent number
4,790,884
Issue date
Dec 13, 1988
Aluminum Company of America
Kenton P. Young
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
ALUMINUM ALLOY PRODUCTS HAVING IMPROVED PROPERTY COMBINATIONS AND M...
Publication number
20130312877
Publication date
Nov 28, 2013
ALCOA INC.
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ALUMINUM ALLOY PRODUCTS HAVING IMPROVED PROPERTY COMBINATIONS AND M...
Publication number
20110268603
Publication date
Nov 3, 2011
ALCOA INC.
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Aluminum sheet products having improved fatigue crack growth resist...
Publication number
20070000583
Publication date
Jan 4, 2007
Roberto J. Rioja
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Aluminum alloy products having improved property combinations and m...
Publication number
20060083654
Publication date
Apr 20, 2006
Alcoa Inc.
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for increasing the strength and/or corrosion resistance of 7...
Publication number
20050269000
Publication date
Dec 8, 2005
Diana K. Denzer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Aluminum alloy products having improved property combinations and m...
Publication number
20050257865
Publication date
Nov 24, 2005
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Aluminum alloy products having improved property combinations and m...
Publication number
20050150579
Publication date
Jul 14, 2005
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process to improve 6XXX alloys by reducing altered density sites
Publication number
20030127165
Publication date
Jul 10, 2003
Paul E. Magnusen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for increasing the strength and/or corrosion resistance of 7...
Publication number
20030051784
Publication date
Mar 20, 2003
Diana K. Denzer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Aluminum alloy products having improved property combinations and m...
Publication number
20020121319
Publication date
Sep 5, 2002
Dhruba J. Chakrabarti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
High toughness plate alloy for aerospace applications
Publication number
20020079027
Publication date
Jun 27, 2002
John Liu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...