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Adam Steen
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Heemskerk, NL
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last 30 patents
Information
Patent Grant
Method for the manufacture of refractory bricks containing CaO
Patent number
4,795,725
Issue date
Jan 3, 1989
Hoogovens Groep B.V.
Jaap H. Addink
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for the manufacture of a magnesia-carbon brick
Patent number
4,747,985
Issue date
May 31, 1988
Hoogovens Groep B.V.
Jaap H. Addink
C21 - METALLURGY OF IRON
Information
Patent Grant
Gas-transmitting wall element for a metallurgical vessel, a metallu...
Patent number
4,535,975
Issue date
Aug 20, 1985
Hoogovens Groep B.V.
Gerardus P. Buhrmann
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of producing steel by the LD process
Patent number
4,465,514
Issue date
Aug 14, 1984
Hoogovens Groep B.V.
Gerardus P. Buhrmann
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of providing and maintaining a wear-lining of a steel conver...
Patent number
4,294,431
Issue date
Oct 13, 1981
Hoogovens IJmuiden BV
Adam Steen
C21 - METALLURGY OF IRON