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Gerald E. Carkin
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Tarentum, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Fertilizer compositions and methods of making and using the same
Patent number
10,377,677
Issue date
Aug 13, 2019
Alcoa USA Corp.
Mark L. Weaver
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Fertilizer compositions and methods of making and using the same
Patent number
9,527,779
Issue date
Dec 27, 2016
Alcoa USA Corp.
Mark L. Weaver
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Decarbonization process for carbothermically produced aluminum
Patent number
9,068,246
Issue date
Jun 30, 2015
Alcon Inc.
Marshall J. Bruno
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Electrode holder assembly and furnace comprising same
Patent number
8,406,268
Issue date
Mar 26, 2013
Alcoa Inc.
Gerald E. Carkin
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Carbothermic aluminum production apparatus, systems and methods
Patent number
7,854,783
Issue date
Dec 21, 2010
Alcoa Inc.
Joseph A. Lepish
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Carbothermic aluminum production apparatus, systems and methods
Patent number
7,704,443
Issue date
Apr 27, 2010
Alcoa, Inc.
Joseph A. Lepish
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method using selected carbons to react with Al2O and Al vapors in t...
Patent number
6,849,101
Issue date
Feb 1, 2005
Alcoa Inc.
Richard J. Fruehan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Alumina distribution in electrolysis cells including inert anodes u...
Patent number
6,511,590
Issue date
Jan 28, 2003
Alcoa Inc.
R. Lee Troup
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method of continuously casting composite strip
Patent number
5,669,436
Issue date
Sep 23, 1997
Aluminum Company of America
Kevin S. Papich
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Clad metallurgical products and methods of manufacture
Patent number
5,476,725
Issue date
Dec 19, 1995
Aluminum Company of America
Kevin S. Papich
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process for the recovery of values from secondary aluminum dross
Patent number
5,198,200
Issue date
Mar 30, 1993
Aluminum Company of America
Daniel Yerushalmi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of making a container
Patent number
4,830,881
Issue date
May 16, 1989
Aluminum Company of America
Aaron J. Becker
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Metal recovery from dross
Patent number
4,772,320
Issue date
Sep 20, 1988
Aluminum Company of America
Jan H. L. van Linden
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
ELECTRODE HOLDER ASSEMBLY AND FURNACE COMPRISING SAME
Publication number
20120140788
Publication date
Jun 7, 2012
Gerald E. Carkin
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
TREATMENT OF BAUXITE RESIDUE AND SPENT POT LINING
Publication number
20110081284
Publication date
Apr 7, 2011
Mark WEAVER
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CARBOTHERMIC ALUMINUM PRODUCTION APPARATUS, SYSTEMS AND METHODS
Publication number
20100162850
Publication date
Jul 1, 2010
ALCOA INC.
Joseph A. Lepish
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DECARBONIZATION PROCESS FOR CARBOTHERMICALLY PRODUCED ALUMINUM
Publication number
20100147113
Publication date
Jun 17, 2010
ALCOA INC.
Marshall J. Bruno
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CARBOTHERMIC ALUMINUM PRODUCTION APPARATUS, SYSTEMS AND METHODS
Publication number
20090139371
Publication date
Jun 4, 2009
ALCOA INC.
Joseph A. Lepish
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...