Rolf Oswaldsson

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S-803 36 Gavle, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for concentrating a suspension
- Patent number 5,985,159
- Issue date Nov 16, 1999
- Kent Strid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fractionator for fractioning particulates in suspension
- Patent number 5,806,684
- Issue date Sep 15, 1998
- Kvaerner Pulping AS
- Kent Strid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Control system distinguishing filterability of medium filtered
- Patent number 5,460,733
- Issue date Oct 24, 1995
- Caustec AB
- Sigmund Rasmussen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and device for filturing of suspensions
- Patent number 5,149,449
- Issue date Sep 22, 1992
- Kent Strid
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL