Hans U. Franzen

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Duisburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for continuous casting of thin slab ingots
- Patent number 5,018,569
- Issue date May 28, 1991
- Mannesmann AG
- Armin Burau
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of continuous casting
- Patent number 5,004,040
- Issue date Apr 2, 1991
- Mannesmann Aktiengesellschaft
- Fritz-Peter Pleschiutschnigg
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Slag retention on discharge of a ladle
- Patent number 4,787,604
- Issue date Nov 29, 1988
- Mannesmann AG
- Manfred Kornet
- B22 - CASTING POWDER METALLURGY