Karl Grafen

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Wuerselen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Filter plate of a filter press
- Patent number 6,852,220
- Issue date Feb 8, 2005
- Outokumpu Oyj
- Karl Grafen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Device for detaching filter cakes
- Patent number 6,754,927
- Issue date Jun 29, 2004
- Outokumpu Oyj
- Wilhelm Claessen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter press with a stack of vertically aligned, horizontally displ...
- Patent number 6,626,094
- Issue date Sep 30, 2003
- Outokumpu Oyj
- Karl Grafen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL