Siegfried Pohl

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Wiesbaden-Medenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Immersion nozzle formed of separate members
- Patent number 5,429,283
- Issue date Jul 4, 1995
- Didier-Werke AG
- Ernst Luhrsen
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory ceramic stopper, apparatus for support thereof, and asse...
- Patent number 5,303,905
- Issue date Apr 19, 1994
- Didier-Werke AG
- Siegfried Pohl
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Assembly for connecting a metal member to a ceramic refractory member
- Patent number 4,923,225
- Issue date May 8, 1990
- Didier-Werke AG
- Ernst Luhrsen
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory article suitable for casting molten metal
- Patent number 4,634,685
- Issue date Jan 6, 1987
- Didier-Werke AG
- Siegfried Pohl
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Fastening means for a closure plate on a sliding shutter outlet in...
- Patent number 4,508,324
- Issue date Apr 2, 1985
- Didier-Werke AG
- Ernst Luhrsen
- B22 - CASTING POWDER METALLURGY