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Werner Hofmann
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Moers, DE
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last 30 patents
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Patent Grant
Method and device for producing silicon-rich foundry iron
Patent number
6,235,075
Issue date
May 22, 2001
Mannesmann Aktiengesellschaft
Werner Hofmann
C21 - METALLURGY OF IRON
Information
Patent Grant
Bottom electrode for a metallurgical vessel
Patent number
5,835,523
Issue date
Nov 10, 1998
Mannesmann Aktiengesellschaft
Lutz Becker
C21 - METALLURGY OF IRON
Information
Patent Grant
Metallurgical vessel for direct-current arc equipment
Patent number
5,323,417
Issue date
Jun 21, 1994
Mannesmann Aktiengesellschaft
Werner Hofmann
C21 - METALLURGY OF IRON
Information
Patent Grant
Metallurgical vessel with metallic electrode having readily replace...
Patent number
5,233,625
Issue date
Aug 3, 1993
Mannesmann Aktiengesellschaft
Werner Hofmann
C21 - METALLURGY OF IRON