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D21B1/327
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21B
FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
D21B1/00
Fibrous raw materials or their mechanical treatment
Current Industry
D21B1/327
using flotation devices
Industries
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Patents Grants
last 30 patents
Information
Patent Grant
Method for treating aqueous feed by dissolved gas flotation
Patent number
11,629,459
Issue date
Apr 18, 2023
Kemira Oyj
Matti Hietaniemi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for deinking UV prints
Patent number
11,560,672
Issue date
Jan 24, 2023
Nippon Paper Industries Co., Ltd.
Hirohiko Koizumi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Froth flotation arrangement and a froth flotation method
Patent number
11,033,909
Issue date
Jun 15, 2021
Outotec (Finland) Oy
Alejandro Yanez
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method and device for cleaning fiber suspensions by means of flotation
Patent number
10,799,885
Issue date
Oct 13, 2020
Rithco Papertec GmbH
Ralf Menne
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Flotation process and facility for the implementation thereof
Patent number
10,486,168
Issue date
Nov 26, 2019
KADANT LAMORT
Stephan Pottier
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Hair cosmetics
Patent number
9,616,014
Issue date
Apr 11, 2017
Henkel AG & Co.KGaA
Thorsten Knappe
A45 - HAND OR TRAVELLING ARTICLES
Information
Patent Grant
Method for removing solid matter from a fibrous material suspension...
Patent number
8,925,728
Issue date
Jan 6, 2015
Voith Patent GmbH
Herbert Britz
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method of producing recycled paper pulp from waste printed paper as...
Patent number
8,657,995
Issue date
Feb 25, 2014
Tech Corporation Co., Ltd.
Yoshinori Nakamoto
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Injector for flotation cell
Patent number
8,177,071
Issue date
May 15, 2012
Metso Paper, Inc.
Erkka Nieminen
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Flotation cell
Patent number
8,167,133
Issue date
May 1, 2012
Metso Paper, Inc.
Erkka Nieminen
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Process and device for aerating suspensions
Patent number
8,118,171
Issue date
Feb 21, 2012
Andritz AG
Helmuth Gabl
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Flotation cell injector assembly for use with open or closed flotat...
Patent number
7,562,777
Issue date
Jul 21, 2009
Narayanasamy Seenivasan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Open flotation de-inking module for recycled paper
Patent number
7,544,271
Issue date
Jun 9, 2009
Narayanasamy Seenivasan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Closed floatation de-inking module for recycled paper
Patent number
7,537,674
Issue date
May 26, 2009
Narayanasamy Seenivasan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods for reducing fluorescence in pulp and paper
Patent number
7,377,993
Issue date
May 27, 2008
Tanya Smith Richardson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for de-inking paper pulp and flotation cell used for this p...
Patent number
7,281,631
Issue date
Oct 16, 2007
Kadant Lamort, Societe par actions simplifiee
Alain Serres
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process and device for aerating suspensions
Patent number
7,267,231
Issue date
Sep 11, 2007
Andritz AG
Helmuth Gabl
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Device for separating air from flotation foam
Patent number
6,962,618
Issue date
Nov 8, 2005
Voith Paper Patent GmbH
Gerhard Gaus
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Device for separating solids from liquids by means of flotation
Patent number
6,920,983
Issue date
Jul 26, 2005
Andritz AG
Helmuth Gabl
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for aerating dispersions
Patent number
6,881,297
Issue date
Apr 19, 2005
Andritz AG
Bernhard Scherzinger
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Device for aerating dispersions
Patent number
6,585,854
Issue date
Jul 1, 2003
Andritz AG
Bernhard Scherzinger
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for aerating dispersions
Patent number
6,475,337
Issue date
Nov 5, 2002
Andritz AG
Helmuth Gabl
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and device for flotation of pollutants from an aqueous fibro...
Patent number
6,413,366
Issue date
Jul 2, 2002
Voith Sulzer Papiertechnik Patent GmbH
Martin Kemper
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Flotation machine for a fiber suspension and method of using same
Patent number
6,395,131
Issue date
May 28, 2002
Voith Sulzer Paper Technology North America, Inc.
Klaus Doelle
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process and apparatus for removing solids from an aqueous paper fib...
Patent number
6,279,749
Issue date
Aug 28, 2001
Voith Sulzer Papiertechnik Patent GmbH
Axel Gommel
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process and floatation device for the removal of interfering materi...
Patent number
6,227,374
Issue date
May 8, 2001
Voith Sulzer Papiertechnik Patent GmbH
Herbert Britz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process and facility to remove solid matter from an aqueous fibrous...
Patent number
6,082,549
Issue date
Jul 4, 2000
Voith Sulzer Papiertechnik Patent GmbH
Axel Gommel
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pressurized deinking module with vent line
Patent number
6,073,774
Issue date
Jun 13, 2000
Beloit Technologies, Inc.
Richard P. Hebert
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Perfected reactor for liquids purification
Patent number
6,068,132
Issue date
May 30, 2000
Comer Spa
Flavio Magaraggia
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper-pulp deinking method and equipment to implement this method
Patent number
5,979,665
Issue date
Nov 9, 1999
E & M Lamort
Alain Serres
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
METHODS FOR DEINKING UV PRINTS
Publication number
20210025113
Publication date
Jan 28, 2021
Nippon Paper Industries Co., Ltd.
Hirohiko KOIZUMI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR TREATING AQUEOUS FEED BY DISSOLVED GAS FLOTATION
Publication number
20200399828
Publication date
Dec 24, 2020
KEMIRA OYJ
Matti Hietaniemi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND DEVICE FOR CLEANING FIBER SUSPENSIONS BY MEANS OF FLOTATION
Publication number
20170225176
Publication date
Aug 10, 2017
RITHCO PAPERTEC GmbH
Ralf MENNE
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
FLOTATION PROCESS AND FACILITY FOR THE IMPLEMENTATION THEREOF
Publication number
20160310965
Publication date
Oct 27, 2016
KADANT LAMORT
Stephan POTTIER
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
METHOD FOR REMOVING SOLID MATTER FROM A FIBROUS MATERIAL SUSPENSION...
Publication number
20130105366
Publication date
May 2, 2013
Herbert Britz
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
METHOD OF PRODUCING RECYCLED PAPER PULP FROM WASTE PRINTED PAPER AS...
Publication number
20110030907
Publication date
Feb 10, 2011
TECH CORPORATION CO., LTD.
Yoshinori Nakamoto
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Perfected Flotation Cell for Purifying Fibrous Suspensions
Publication number
20100300953
Publication date
Dec 2, 2010
Comer S.p.A.
Franco Aver
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHOD AND APPARATUS FOR SEPARATING WASTE PRODUCTS FROM CELLULOSE F...
Publication number
20100133198
Publication date
Jun 3, 2010
Herbert Gunther Joachim Langner
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
APPARATUS FOR SEPARATING WASTE FROM CELLULOSE FIBRES IN PAPER RECYC...
Publication number
20100133197
Publication date
Jun 3, 2010
Herbert Gunther Joachim Langner
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
INJECTOR FOR FLOTATION CELL
Publication number
20100108614
Publication date
May 6, 2010
Erkka Nieminen
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Process and device for aerating suspensions
Publication number
20080296206
Publication date
Dec 4, 2008
Andritz AG
Helmuth Gabl
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Flotation Cell
Publication number
20080211119
Publication date
Sep 4, 2008
Erkka Nieminen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process and device for aerating suspensions
Publication number
20060144796
Publication date
Jul 6, 2006
Helmuth Gabl
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method for the flotation of contaminants from an aqueous fibrous su...
Publication number
20060021916
Publication date
Feb 2, 2006
VOITH PAPER PATENT GmbH
Harald Hess
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Methods for reducing fluorescence in pulp and paper
Publication number
20050194110
Publication date
Sep 8, 2005
Tanya Smith Richardson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and device for the flotation of contaminants from an aqueous...
Publication number
20040256295
Publication date
Dec 23, 2004
VOITH PAPER PATENT GmbH
Herbert Britz
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Process for de-inking paper pulp and flotation cell used for this p...
Publication number
20040232053
Publication date
Nov 25, 2004
KADANT LAMORT, Societe par actions simplifiee
Alain Serres
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Process and device for aerating suspensions
Publication number
20040222161
Publication date
Nov 11, 2004
Helmuth Gabl
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Device for separating solids from liquids by means of flotation
Publication number
20030209471
Publication date
Nov 13, 2003
Helmuth Gabl
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Device for separating air from flotation foam
Publication number
20030183081
Publication date
Oct 2, 2003
VOITH PAPER PATENT GmbH
Gerhard Gaus
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Process for aerating dispersions
Publication number
20030155084
Publication date
Aug 21, 2003
Bernhard Scherzinger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process and device for aerating dispersions
Publication number
20010025693
Publication date
Oct 4, 2001
Helmuth Gabl
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process and device for aerating dispersions
Publication number
20010025808
Publication date
Oct 4, 2001
Bernhard Scherzinger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process and flotation device for the removal of intereering materia...
Publication number
20010010294
Publication date
Aug 2, 2001
VOITH SULZER PAPIERTECHNIK PATENT GmbH
Herbert Britz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE