Alfred Frey

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Wattenheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Refractory ceramic plate and accompanying wall structure for an inc...
- Patent number 6,487,980
- Issue date Dec 3, 2002
- Didier-Werke AG
- Bruno Wilhelmi
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Connection assembly for joining two parts
- Patent number 4,728,128
- Issue date Mar 1, 1988
- Didier-Werke AG
- Alfred Frey
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Refractory ceramic plate and accompanying wall structure for an inc...
- Publication number 20010015158
- Publication date Aug 23, 2001
- DIDIER-WERKE AG
- Bruno Wilhelmi
- F27 - FURNACES KILNS OVENS RETORTS