Hans-Juergen Ehrenberg

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Duesseldorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Casting spout for metallurgical vessels
- Patent number 5,314,099
- Issue date May 24, 1994
- Mannesmann AG
- Hans Butz
- B22 - CASTING POWDER METALLURGY
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
Combined continuous casting and rolling
- Patent number 4,976,306
- Issue date Dec 11, 1990
- Mannesmann AG
- Fritz-Peter Pleschiutschnigg
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Side wall geometry for molds for casting of thin slabs
- Patent number 4,928,747
- Issue date May 29, 1990
- Mannesmann AG
- Fritz-Peter Pleschiutschnigg
- B22 - CASTING POWDER METALLURGY