Dieter Geruhn

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Werl, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for controlling the coating weight for strip-phosphating
- Patent number 6,461,450
- Issue date Oct 8, 2002
- Henkel Kommanditgesellschaft fur Aktien
- Joerg Riesop
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for phosphating steel strip galvanized on one side
- Patent number 5,516,372
- Issue date May 14, 1996
- Henkel Kommanditgesellschaft auf Aktien
- Joerg Riesop
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Phosphating process for zinc-plated metals
- Patent number 4,497,668
- Issue date Feb 5, 1985
- Gerhard Collardin GmbH
- Raschad Mady
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...