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David P. Haack
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Hendersonville, SC, US
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Patents Grants
last 30 patents
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
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
Method of co-forming metal foam articles and the articles formed by...
Patent number
6,706,239
Issue date
Mar 16, 2004
Porvair PLC
David P. Haack
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
Matrix Riser Breaker Insert
Publication number
20140348693
Publication date
Nov 27, 2014
PORVAIR PLC
Donald B. Craig
B22 - CASTING POWDER METALLURGY
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
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
Carbon composite near-net-shape molded part and method of making
Publication number
20070267604
Publication date
Nov 22, 2007
Jonah V. Butcher
H01 - BASIC ELECTRIC ELEMENTS
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
Carbon composite near-net-shape molded part and method of making
Publication number
20060027792
Publication date
Feb 9, 2006
Jonah V. Butcher
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of co-forming metal foam articles and the articles formed by...
Publication number
20020104405
Publication date
Aug 8, 2002
David F. Haack
B22 - CASTING POWDER METALLURGY