Flat screens

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CPC
D21D5/04

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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

D21D5/04Flat screens

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing a nanocelullosic material comprising at least...
- Patent number 12,123,143
- Issue date Oct 22, 2024
- SUZANO S.A.
- Marcos Henrique Luciano Silveira
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Pulper for circulating a fibrous stock suspension
- Patent number 12,012,694
- Issue date Jun 18, 2024
- Voith Patent GmbH
- Oliver Lüdtke
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Filter segment with a light weight frame
- Patent number 11,478,731
- Issue date Oct 25, 2022
- VALMET TECHNOLOGIES OY
- Karl Gabrielsson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Separation device
- Patent number 11,203,043
- Issue date Dec 21, 2021
- KADANT LAMORT
- Stephan Pottier
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Processing of recycled material
- Patent number 10,494,763
- Issue date Dec 3, 2019
- Red Wire Oy
- Jouko Hautala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of producing cellulose nanofibrils
- Patent number 10,240,290
- Issue date Mar 26, 2019
- GL&V USA, Inc.
- Bruce Crossley
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Screening apparatus
- Patent number 9,636,688
- Issue date May 2, 2017
- CDE Global Limited
- Glenn Sloan
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Pulper
- Patent number 8,991,733
- Issue date Mar 31, 2015
- Voith Patent GmbH
- Jürgen Fey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screening device for wet screening of paper fiber suspensions
- Patent number 7,721,895
- Issue date May 25, 2010
- Voith Paper Patent GmbH
- Wolfgang Mueller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process and container for stacking high-consistency stock
- Patent number 6,986,829
- Issue date Jan 17, 2006
- Voith Paper Patent GmbH
- Volker Gehr
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screen apparatus for papermaking material
- Patent number 6,149,015
- Issue date Nov 21, 2000
- Aikawa Iron Works Co., Ltd.
- Yoshihiko Aikawa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fluidizing detrashing impeller
- Patent number 6,010,012
- Issue date Jan 4, 2000
- Beloit Technologies, Inc.
- William A. Gero
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Flushing cleaner for multiple shower wand assemblies
- Patent number 5,909,847
- Issue date Jun 8, 1999
- Productive Solutions Inc.
- Denis Munsche
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus called "TSS"-the turbo screening system, for filtering an...
- Patent number 5,881,887
- Issue date Mar 16, 1999
- Sigurd Fongen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Endless fabric for condensing paper material and method of making t...
- Patent number 5,840,378
- Issue date Nov 24, 1998
- Nippon Filcon Co., Ltd.
- Hiroyuki Nagura
- D03 - WEAVING
Information Patent Grant
Method for screening pulp
- Patent number 5,601,690
- Issue date Feb 11, 1997
- Gauld Equipment Company
- W. Thomas Gauld
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Method and apparatus for the sorting of fiber suspensions
- Patent number 5,509,536
- Issue date Apr 23, 1996
- Sulzer-Escher Wyss GmbH
- Wolfgang Mannes
- 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
Composite type screen
- Patent number 5,435,444
- Issue date Jul 25, 1995
- Satomi Seisakusho Co., Ltd.
- Hitoshi Satomi
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Separator screen feeder
- Patent number 5,431,287
- Issue date Jul 11, 1995
- Sweco, Inc.
- Pete D. Knox
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Device for separating a mixture of paper pulp and contaminants
- Patent number 5,407,538
- Issue date Apr 18, 1995
- E & M Lamort
- Jean P. Lamort
- 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
Method for cleaning fibers
- Patent number 5,114,536
- Issue date May 19, 1992
- Martti Y. O. Kangas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screening apparatus for paper making stock
- Patent number 5,078,275
- Issue date Jan 7, 1992
- The Black Clawson Company
- David E. Chupka
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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
Apparatus for cleaning fibers
- Patent number 4,976,822
- Issue date Dec 11, 1990
- Martti Y. O. Kangas
- 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

Patents Applicationslast 30 patents

Information Patent Application
Screen Plate and Pulp Screening Machine
- Publication number 20230060403
- Publication date Mar 2, 2023
- ANDRITZ (China) Ltd.
- Alexander Gscheider
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR PRODUCING A NANOCELULLOSIC MATERIAL COMPRISING AT LEAST...
- Publication number 20210395949
- Publication date Dec 23, 2021
- Suzano S.A.
- Marcos Henrique Luciano SILVEIRA
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
PULPER FOR CIRCULATING A FIBROUS STOCK SUSPENSION
- Publication number 20210032811
- Publication date Feb 4, 2021
- VOITH PATENT GmbH
- Oliver Lüdtke
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SEPARATION DEVICE
- Publication number 20200261944
- Publication date Aug 20, 2020
- KADANT LAMORT
- Stephan POTTIER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ROTOR UNIT FOR PROCESSING RECYCLED MATERIAL
- Publication number 20190022663
- Publication date Jan 24, 2019
- RED WIRE OY
- Jouko HAUTALA
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Application
PROCESSING OF RECYCLED MATERIAL
- Publication number 20190017223
- Publication date Jan 17, 2019
- RED WIRE OY
- Jouko HAUTALA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF PRODUCING CELLULOSE NANOFIBRILS
- Publication number 20180135246
- Publication date May 17, 2018
- GL&V Luxembourg S.à.r.l.
- Bruce Crossley
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SHEET MANUFACTURING APPARATUS AND METHOD FOR MANUFACTURING SHEET
- Publication number 20150090416
- Publication date Apr 2, 2015
- SEIKO EPSON CORPORATION
- Masahide NAKAMURA
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Application
PRETREATMENT APPARATUS FOR REMOVING PITH FROM CORNSTALK, PULP MANUF...
- Publication number 20130276998
- Publication date Oct 24, 2013
- CPNP HOLDINGS CO., LTD.
- Jong Bong Park
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
PULPER
- Publication number 20130099035
- Publication date Apr 25, 2013
- Jürgen Fey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SCREENING APPARATUS FOR A CONTAMINATED FIBROUS SUSPENSION AND ITS USE
- Publication number 20090223873
- Publication date Sep 10, 2009
- Wolfgang Mueller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SCREENING DEVICE FOR WET SCREENING OF PAPER FIBER SUSPENSIONS
- Publication number 20070084761
- Publication date Apr 19, 2007
- VOITH PAPER PATENT GmbH
- Wolfgang MUELLER
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Filter sector for use in rotary disc filters for separating pulp su...
- Publication number 20060261001
- Publication date Nov 23, 2006
- Conny Hagg
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Screen
- Publication number 20050183993
- Publication date Aug 25, 2005
- Helmuth Gabl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process and container for stacking high-consistency stock
- Publication number 20030089471
- Publication date May 15, 2003
- VOITH PAPER PATENT GmbH
- Volker Gehr
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Flat screens

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for producing a nanocelullosic material comprising at least...

Pulper for circulating a fibrous stock suspension

Filter segment with a light weight frame

Separation device

Processing of recycled material

Method of producing cellulose nanofibrils

Screening apparatus

Pulper

Screening device for wet screening of paper fiber suspensions

Process and container for stacking high-consistency stock

Screen apparatus for papermaking material

Fluidizing detrashing impeller

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

Flushing cleaner for multiple shower wand assemblies

Apparatus called "TSS"-the turbo screening system, for filtering an...

Endless fabric for condensing paper material and method of making t...

Method for screening pulp

Method and apparatus for the sorting of fiber suspensions

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

Composite type screen

Separator screen feeder

Device for separating a mixture of paper pulp and contaminants

Method for treating fiber suspension

Method of and device for fractionating suspensions

Method for cleaning fibers

Screening apparatus for paper making stock

Apparatus for treating fiber suspension

Method and apparatus for improving the operation of a disc filter

Apparatus for cleaning fibers

Screen segment for filters for thickening fiber suspensions

Patents Applicationslast 30 patents

Screen Plate and Pulp Screening Machine

PROCESS FOR PRODUCING A NANOCELULLOSIC MATERIAL COMPRISING AT LEAST...

PULPER FOR CIRCULATING A FIBROUS STOCK SUSPENSION

SEPARATION DEVICE

ROTOR UNIT FOR PROCESSING RECYCLED MATERIAL

PROCESSING OF RECYCLED MATERIAL

METHOD OF PRODUCING CELLULOSE NANOFIBRILS

SHEET MANUFACTURING APPARATUS AND METHOD FOR MANUFACTURING SHEET

PRETREATMENT APPARATUS FOR REMOVING PITH FROM CORNSTALK, PULP MANUF...

PULPER

SCREENING APPARATUS FOR A CONTAMINATED FIBROUS SUSPENSION AND ITS USE

SCREENING DEVICE FOR WET SCREENING OF PAPER FIBER SUSPENSIONS

Filter sector for use in rotary disc filters for separating pulp su...

Screen

Process and container for stacking high-consistency stock