Geoffrey G. Duffy

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Auckland, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Method of liquor removal from particulate solids
- Patent number 5,736,007
- Issue date Apr 7, 1998
- Auckland Uniservices Limited
- Geoffrey Graeme Duffy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Process for wet screening fibrous suspensions
- Publication number 20040004032
- Publication date Jan 8, 2004
- VOITH PAPER PATENT GmbH
- Ralf Burger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE