Rotary screens

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CPC
D21D5/046

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Parent Industries

DTEXTILES PAPER D21Papermaking D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE D21D5/00Purification of the pulp suspension by mechanical means Apparatus therefor

Current Industry

D21D5/046Rotary screens

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable control valve system for rotating disc filter and method...
- Patent number 5,914,048
- Issue date Jun 22, 1999
- Beloit Technologies, Inc.
- Calvin Chase
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for separating a suspension, preferably a fibre s...
- Patent number 5,441,157
- Issue date Aug 15, 1995
- Celleco Hedemora AB
- Roland Fjallstrom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for treating fiber suspension
- Patent number 5,192,454
- Issue date Mar 9, 1993
- A. Ahlstrom Corporation
- Pasi Immonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of and device for fractionating suspensions
- Patent number 5,124,029
- Issue date Jun 23, 1992
- Celleco AB
- Roland Fjallstrom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for treating fiber suspension
- Patent number 5,073,264
- Issue date Dec 17, 1991
- A. Ahlstrom Corporation
- Pasi H. Immonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for improving the operation of a disc filter
- Patent number 4,995,991
- Issue date Feb 26, 1991
- Ahlstrom Corporation
- Risto Ljokkoi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screen segment for filters for thickening fiber suspensions
- Patent number 4,950,403
- Issue date Aug 21, 1990
- Siegfried Hauff
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Tramp material separator
- Patent number 4,737,274
- Issue date Apr 12, 1988
- Kamyr AB
- Finn Jacobsen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Flow distributor
- Patent number 4,469,556
- Issue date Sep 4, 1984
- Beloit Corporation
- Charles L. Sanford
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Filter for thickening suspensions of fibrous material
- Patent number 4,138,338
- Issue date Feb 6, 1979
- J. M. Voith GmbH
- Johannes Velinsky
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3144033
- Patent number 3,144,033
- Issue date Aug 11, 1964
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2932402
- Patent number 2,932,402
- Issue date Apr 12, 1960
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Rotary screens

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Adjustable control valve system for rotating disc filter and method...

Method and device for separating a suspension, preferably a fibre s...

Method for treating fiber suspension

Method of and device for fractionating suspensions

Apparatus for treating fiber suspension

Method and apparatus for improving the operation of a disc filter

Screen segment for filters for thickening fiber suspensions

Tramp material separator

Flow distributor

Filter for thickening suspensions of fibrous material

3144033

2932402

Patents Applicationslast 30 patents