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Leonard S Aubrey
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Arden, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Bn or Y2O3 coated ceramic filters used in filtration of aluminum—li...
Patent number
9,504,944
Issue date
Nov 29, 2016
Porvair PLC
Leonard S. Aubrey
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Corrosion resistant glass coating applied to ceramic foam used to f...
Patent number
9,458,523
Issue date
Oct 4, 2016
Porvair PLC
Rudolph A. Olson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Low expansion corrosion resistant ceramic foam filters for molten a...
Patent number
8,518,528
Issue date
Aug 27, 2013
Porvair PLC
Feng Chi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for filtering molten aluminum and molten aluminum alloys
Patent number
8,486,176
Issue date
Jul 16, 2013
Porvair PLC
Leonard S. Aubrey
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Porous reticulated metal foam for filtering molten magnesium
Patent number
8,202,346
Issue date
Jun 19, 2012
Porvair, PLC
Leonard S. Aubrey
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Ceramic foam filter for better filtration of molten iron
Patent number
7,718,114
Issue date
May 18, 2010
Porvair PLC
Rudolph A. Olson, III
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Compact micro-porous media degasser
Patent number
7,585,455
Issue date
Sep 8, 2009
Porvair PLC
Leonard S. Aubrey
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Compact micro-porous media degasser
Patent number
7,547,409
Issue date
Jun 16, 2009
Poevair PLC
Leonard S. Aubrey
C21 - METALLURGY OF IRON
Information
Patent Grant
Inoculant-strainer with improved filtration effectiveness and inocu...
Patent number
6,977,058
Issue date
Dec 20, 2005
Porvair PLC
Leonard S. Aubrey
C21 - METALLURGY OF IRON
Information
Patent Grant
Inoculation filter
Patent number
6,793,707
Issue date
Sep 21, 2004
Pechiney Electrometallurgie
Donald B. Craig
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for removing liquid salts from liquid metal
Patent number
6,036,743
Issue date
Mar 14, 2000
Selee Corporation
Kenneth R. Butcher
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Dual stage ceramic foam filtration system and method
Patent number
5,673,902
Issue date
Oct 7, 1997
SELEE Corporation
Leonard S. Aubrey
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing wax impregnated filters for investment casting...
Patent number
4,978,452
Issue date
Dec 18, 1990
Alusuisse-Lonza Services Ltd.
Leonard S. Aubrey
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ceramic foam filter
Patent number
4,975,191
Issue date
Dec 4, 1990
Swiss Aluminium Ltd.
Jerry W. Brockmeyer
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ceramic foam filter and process for preparing same
Patent number
4,885,263
Issue date
Dec 5, 1989
Swiss Aluminium Ltd.
Jerry W. Brockmeyer
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Vented pouring cup for molten metal casting
Patent number
4,708,326
Issue date
Nov 24, 1987
Swiss Aluminium Ltd.
Jerry W. Brockmeyer
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
BN or Y2O3 Coated Ceramic Filters Used in Filtration of Aluminum-Li...
Publication number
20140360316
Publication date
Dec 11, 2014
Leonard S. Aubrey
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LOW EXPANSION CORROSION RESISTANT CERAMIC FOAM FILTERS FOR MOLTEN A...
Publication number
20120175804
Publication date
Jul 12, 2012
PORVAIR PLC
Feng Chi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CORROSION RESISTANT GLASS COATING APPLIED TO CERAMIC FOAM USED TO F...
Publication number
20120144958
Publication date
Jun 14, 2012
Rudolph A. Olson, III
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR FILTERING MOLTEN ALUMINUM AND MOLTEN ALUMINUM ALLOYS
Publication number
20110107875
Publication date
May 12, 2011
Leonard S. Aubrey
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LOW EXPANSION CORROSION RESISTANT CERAMIC FOAM FILTERS FOR MOLTEN A...
Publication number
20100113244
Publication date
May 6, 2010
PORVAIR PLC
Feng Chi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COMPACT MICRO-POROUS MEDIA DEGASSER
Publication number
20080245188
Publication date
Oct 9, 2008
Leonard S Aubrey
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Ceramic foam filter for better filtration of molten iron
Publication number
20060266714
Publication date
Nov 30, 2006
Rudolph A. Olson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Compact micro-porous media degasser
Publication number
20060125160
Publication date
Jun 15, 2006
Leonard S. Aubrey
C21 - METALLURGY OF IRON
Information
Patent Application
Inoculant-strainer with improved filtration effectiveness and inocu...
Publication number
20040178546
Publication date
Sep 16, 2004
Leonard S. Aubrey
C21 - METALLURGY OF IRON
Information
Patent Application
Sintered magnesium oxide filter
Publication number
20030146151
Publication date
Aug 7, 2003
Feng Chi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Inoculation filter
Publication number
20030126946
Publication date
Jul 10, 2003
Donald B. Craig
C21 - METALLURGY OF IRON