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Friedrich Kassegger
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Vienna, AT
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last 30 patents
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Patent Grant
Metallurgical vessel and method of making the refractory lining of...
Patent number
5,340,088
Issue date
Aug 23, 1994
Veitscher Magnesitwerke-Actien-Gesellschaft
Gerhard Madritsch
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Gas-permeable element of a refractory material
Patent number
4,647,020
Issue date
Mar 3, 1987
Arbed S.A.
Jean-Francois Liesch
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Checkerwork in horizontal chamber of a regeneratively fired furnace
Patent number
4,589,474
Issue date
May 20, 1986
Veitscher Magnesitwerke-Actien-Gesellschaft
Josef Horak
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Refractory gas-permeable structural unit
Patent number
4,395,026
Issue date
Jul 26, 1983
Arbed S.A.
Fritz Hodl
B22 - CASTING POWDER METALLURGY