Ulrich Menne

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Hattingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device for making semi-finished products
- Patent number 5,881,441
- Issue date Mar 16, 1999
- Mannesmann Aktiengesellschaft
- Fritz P. Pleschiutschnigg
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for making semi-finished products
- Patent number 5,722,151
- Issue date Mar 3, 1998
- Mannesmann Aktiengesellschaft
- Fritz P. Pleschiutschnigg
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hot rolled and air hardened steel for manufacturing structural tube...
- Patent number 5,370,751
- Issue date Dec 6, 1994
- Mannesmann Aktiengesellschaft
- Ingo von Hagen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...