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last 30 patents
Information
Patent Grant
Arrangement for producing metals, such as molten pig iron, steel pr...
Patent number
4,617,671
Issue date
Oct 14, 1986
Voest-Alpine Aktiengesellschaft
Walter Lugscheider
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and arrangement for recovering the sensible heat of slag
Patent number
4,572,281
Issue date
Feb 25, 1986
Voest-Alpine Aktiengesellschaft
Paul Mullner
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing metals or metal alloys and an arrangement therefor
Patent number
4,561,883
Issue date
Dec 31, 1985
Voest-Alpine Aktiengesellschaft
Paul Mullner
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing metals, such as molten pig iron, steel pre-mat...
Patent number
4,533,385
Issue date
Aug 6, 1985
Voest-Alpine Aktiengesellschaft
Walter Lugscheider
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of, and arrangement for, reducing oxide-containing fine-part...
Patent number
4,518,417
Issue date
May 21, 1985
Voest-Alpine Aktiengesellschaft
Walter Lugscheider
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of treating lumpy and grained materials with gaseous media
Patent number
4,197,084
Issue date
Apr 8, 1980
Voest-Alpine Aktiengesellschaft
Paul Mullner
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Container arrangement for treating lumpy and grained materials in a...
Patent number
4,170,076
Issue date
Oct 9, 1979
Vereinigte Osterreichische Eisen-und Stahlwerke - Alpine Montan Aktiengesells...
Paul Mullner
F26 - DRYING