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Klockner CRA Technologie GmbH
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Duisburg, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for increasing the energy input in electric arc furnaces
Patent number
4,827,486
Issue date
May 2, 1989
Klockner CRA Technologie GmbH
Karl Brotzmann
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for the production of steel from scrap
Patent number
4,772,318
Issue date
Sep 20, 1988
Klockner CRA Technologie GmbH
Karl Brotzmann
C21 - METALLURGY OF IRON
Information
Patent Grant
Water-cooled lance for blowing oxidizing gas onto a metal melt
Patent number
4,702,462
Issue date
Oct 27, 1987
Klockner CRA Technologie GmbH
Ernst Fritz
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for measuring a bulk stream
Patent number
4,700,578
Issue date
Oct 20, 1987
Klockner CRA Technologie GmbH
Hans-Georg Fassbinder
G01 - MEASURING TESTING
Information
Patent Grant
Process for the treatment of metal melts with scavenging gas
Patent number
4,647,306
Issue date
Mar 3, 1987
Klockner CRA Technologie GmbH
Horst Abratis
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for the production of iron
Patent number
4,566,904
Issue date
Jan 28, 1986
Klockner CRA Technologie GmbH
Ludwig von Bogdandy
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for making fuel from solid metallic iron-bearing materials
Patent number
4,555,267
Issue date
Nov 26, 1985
Klockner CRA Technologie GmbH
Manfred Chitil
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for preheating and charging scrap in steelmaking
Patent number
4,552,342
Issue date
Nov 12, 1985
Klockner CRA Technologie GmbH
Karl Hein
F27 - FURNACES KILNS OVENS RETORTS
Patents Applications
last 30 patents
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