Johann Oberhumer

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Unterweitersdorf, AT

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Patents Grantslast 30 patents

Information Patent Grant
Method of controlling a long-stroke, hydraulic operating cylinder
- Patent number 6,443,046
- Issue date Sep 3, 2002
- Voest-Alpine Industrieanlagenbau GmbH
- Friedrich Deininger
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cooling device for cooling a hot, moving metal strip
- Patent number 6,178,768
- Issue date Jan 30, 2001
- Voest-Alpine Indstrienlagenbau GmbH
- Gerlinde Djumlija
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus and method for descaling a workpiece with a liquid jet
- Patent number 6,149,733
- Issue date Nov 21, 2000
- Voest-Alpine Industrianlagenbau GmbH
- Gerlinde Djumlija
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling arrangement
- Patent number 5,697,241
- Issue date Dec 16, 1997
- Voest-Alpine Industrieanlagenbau GmbH
- Gerlinde Djumlija
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...