Johann Zirngast

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Patents Grantslast 30 patents

Information Patent Grant
Process and plant for producing a metal melt
- Patent number 6,645,269
- Issue date Nov 11, 2003
- Voest-Alpine Industrieanlagenbau GmbH
- Johann Zirngast
- C21 - METALLURGY OF IRON
Information Patent Grant
Plant for the direct reduction of particulate iron-oxide-containing...
- Patent number 6,569,377
- Issue date May 27, 2003
- Voest-Alpine Industrieanlagenbau GmbH
- Siegfried Zeller
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and plant for the direct reduction of particulate iron-oxid...
- Patent number 6,336,954
- Issue date Jan 8, 2002
- Voest-Alpine Industrieanlagenbau GmbH
- Siegfried Zeller
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Process and plant for producing a metal melt
- Publication number 20030041690
- Publication date Mar 6, 2003
- Johann Zirngast
- C21 - METALLURGY OF IRON
Information Patent Application
Process and plant for the direct reduction of particulate iron-oxid...
- Publication number 20020117024
- Publication date Aug 29, 2002
- Voest-Alpine Industrieanlagenbau GmbH
- Siegfried Zeller
- C21 - METALLURGY OF IRON