Ernst Hollwarth

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Patents Grantslast 30 patents

Information Patent Grant
Device for closing a tap hole of a metallurgical vessel
- Patent number 6,495,093
- Issue date Dec 17, 2002
- Voest-Alpine Industrieanlagenbau GmbH & Co.
- Helmut Kerschbaum
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for closing and opening a tapping hole of a metallurgical ve...
- Patent number 6,379,608
- Issue date Apr 30, 2002
- Voest Alphine Industrieanlagenbau GmbH
- Bernhard Enkner
- B22 - CASTING POWDER METALLURGY
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

Patents Applicationslast 30 patents

Information Patent Application
Device for closing a tap hole of a metallurgical vessel
- Publication number 20010019188
- Publication date Sep 6, 2001
- Voest-Alpine Industrieanlagenbua GmbH & Co.
- Helmut Kerschbaum
- C21 - METALLURGY OF IRON