Erika Winkelmann

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Krefeld, DE

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Patents Applicationslast 30 patents

Information Patent Application
STOPPER FOR A METALLURGICAL MELTING POT
- Publication number 20100044402
- Publication date Feb 25, 2010
- Refractory Intellectual Property GmbH & Co. KG
- Manfred Winkelmann
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Stopper Device for Controlling a Flow of Moten Metal
- Publication number 20080169318
- Publication date Jul 17, 2008
- Refractory Intellectual Property GmbH & Co. KG
- Manfred Winkelmann
- B22 - CASTING POWDER METALLURGY