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David H. DeYoung
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Plum, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Systems and methods for purifying aluminum
Patent number
11,001,931
Issue date
May 11, 2021
Alcoa USA Corp.
David H. DeYoung
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Systems and methods for purifying aluminum
Patent number
10,407,786
Issue date
Sep 10, 2019
Alcoa USA Corp.
David H. DeYoung
B22 - CASTING POWDER METALLURGY
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
Aluminum melting apparatus
Patent number
8,917,754
Issue date
Dec 23, 2014
Alcoa Inc.
David DeYoung
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
System and method for in-line molten metal processing using salt re...
Patent number
7,785,394
Issue date
Aug 31, 2010
Alcoa Inc.
Dawn Corleen Chesonis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Control of oxide growth on molten aluminum during casting using a h...
Patent number
7,267,158
Issue date
Sep 11, 2007
Alcoa Inc.
Paula L. Kolek
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Aluminum alloys having improved cast surface quality
Patent number
6,843,863
Issue date
Jan 18, 2005
Alcoa Inc.
David H. DeYoung
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum alloys having improved cast surface quality
Patent number
6,412,164
Issue date
Jul 2, 2002
Alcoa Inc.
David H. DeYoung
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cast alloys
Patent number
6,334,978
Issue date
Jan 1, 2002
Alcoa, Inc.
David H. DeYoung
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Removal of suspended particles from molten metal
Patent number
5,427,602
Issue date
Jun 27, 1995
Aluminum Company of America
David H. DeYoung
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for separation and removal of suspended liquid particles fro...
Patent number
5,336,295
Issue date
Aug 9, 1994
Aluminum Company of America
David H. DeYoung
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Production of lithium by direct electrolysis of lithium carbonate
Patent number
4,988,417
Issue date
Jan 29, 1991
Aluminum Company of America
David H. DeYoung
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for production of aluminum by carbothermic production of al...
Patent number
4,769,069
Issue date
Sep 6, 1988
Aluminum Company of America
C. Norman Cochran
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Three-stage process for burning fuel containing sulfur to reduce em...
Patent number
4,542,704
Issue date
Sep 24, 1985
Aluminum Company of America
Melvin H. Brown
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Inert electrode connection
Patent number
4,500,406
Issue date
Feb 19, 1985
Aluminum Company of America
John D. Weyand
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR PURIFYING ALUMINUM
Publication number
20190376197
Publication date
Dec 12, 2019
ALCOA USA CORP.
David H. DeYoung
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SYSTEMS AND METHODS FOR PURIFYING ALUMINUM
Publication number
20160230297
Publication date
Aug 11, 2016
ALCOA INC.
David H. DeYoung
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
ALUMINUM MELTING APPARATUS
Publication number
20140096644
Publication date
Apr 10, 2014
ALCOA INC.
David DeYoung
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
SYSTEM AND METHOD FOR IN-LINE MOLTEN METAL PROCESSING USING SALT RE...
Publication number
20080202290
Publication date
Aug 28, 2008
Dawn Corleen Chesonis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Lubricant for improved surface quality of cast aluminum and method
Publication number
20050043189
Publication date
Feb 24, 2005
Patricia A. Stewart
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Control of oxide growth on molten aluminum during casting using a h...
Publication number
20050000677
Publication date
Jan 6, 2005
Paula L. Kolek
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Aluminum alloys having improved cast surface quality
Publication number
20020084007
Publication date
Jul 4, 2002
David H. DeYoung
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...