Hellmuth Smejkal

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Patents Grantslast 30 patents

Information Patent Grant
Metallurgical vessel
- Patent number 5,151,243
- Issue date Sep 29, 1992
- Voest-Alpine Industrieanlagenbau GmbH
- Johann Auer
- C21 - METALLURGY OF IRON
Information Patent Grant
Metallurgical vessel with probe opening
- Patent number 5,096,165
- Issue date Mar 17, 1992
- Voest-Alpine Industrieanlagenbau Gesellschaft m.b.H.
- Johann Auer
- C21 - METALLURGY OF IRON
Information Patent Grant
Arrangement for supplying media to a blowing lance
- Patent number 5,090,622
- Issue date Feb 25, 1992
- Voest-Alpine Industrieanlagenbau GmbH
- Johann Fohler
- C21 - METALLURGY OF IRON
Information Patent Grant
Blowing lance arrangement
- Patent number 4,951,928
- Issue date Aug 28, 1990
- Voest-Alpine Industrienlagenbau Gesellschaft m.b.H.
- Manfred Eysn
- C21 - METALLURGY OF IRON
Information Patent Grant
Arrangement for cleaning a lance head of a lance introducible into...
- Patent number 4,591,134
- Issue date May 27, 1986
- Voest-Alpine Aktiengesellschaft
- Hellmuth Smejkal
- C21 - METALLURGY OF IRON
Information Patent Grant
Blowing lance media-supply arrangement
- Patent number 4,198,035
- Issue date Apr 15, 1980
- Voest-Alpine Aktiengesellschaft
- Hellmuth Smejkal
- C21 - METALLURGY OF IRON