Rolf Oswaldson

Follow

Person

Gavle, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Disc filter
- Patent number 9,238,188
- Issue date Jan 19, 2016
- Kadant Black Clawson Inc.
- Kent Strid
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Rotatable filter system for filtration of a flowing substance
- Patent number 6,258,282
- Issue date Jul 10, 2001
- Kvaerner Pulping AB
- Kent Strid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Device in a filter sector for a rotating filter disc
- Patent number 6,113,783
- Issue date Sep 5, 2000
- Kvaerner Pulping AS
- Kent Strid
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fractionator
- Patent number 5,935,053
- Issue date Aug 10, 1999
- Kvaerner Pulping AS
- Kent Strid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for clarifying green liquor
- Patent number 5,509,998
- Issue date Apr 23, 1996
- Gotaverken Energy Aktiebolag
- Kent Strid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Device for Filtering Fiber Suspensions
- Publication number 20180369724
- Publication date Dec 27, 2018
- VALMET TECHNOLOGIES OY
- Rolf Oswaldson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DISC FILTER
- Publication number 20130105382
- Publication date May 2, 2013
- RIOKS PATENTER AB
- Kent Strid
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL