paper or board consisting of two or more layers

Industry

CPC
D21F9/006

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Parent Industries

DTEXTILES PAPER D21Papermaking D21FPAPER-MAKING MACHINES METHODS OF PRODUCING PAPER THEREON D21F9/00Complete machines for making continuous webs of paper

Current Industry

D21F9/006paper or board consisting of two or more layers

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Paper products having increased bending stiffness and cross-directi...
- Patent number 12,146,264
- Issue date Nov 19, 2024
- International Paper Company
- John Mullaney Meazle
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Former of water laid asset that utilizes a structured fabric as the...
- Patent number 11,913,170
- Issue date Feb 27, 2024
- STRUCTURED I, LLC
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of forming a three-layer board web and a forming section of...
- Patent number 11,512,431
- Issue date Nov 29, 2022
- VALMET TECHNOLOGIES OY
- Juan Cecchini
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper products having increased bending stiffness and cross-directi...
- Patent number 11,441,268
- Issue date Sep 13, 2022
- International Paper Company
- John Mullaney Meazle
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for sizing a multi-ply fiber web and a forming section for a...
- Patent number 11,299,857
- Issue date Apr 12, 2022
- Valmet Technologies, Inc.
- Reijo Pietikäinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for increasing the strength properties of a paper or board p...
- Patent number 11,214,927
- Issue date Jan 4, 2022
- Kemira Oyj
- Mikko Virtanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Former of water laid asset that utilizes a structured fabric as the...
- Patent number 11,098,448
- Issue date Aug 24, 2021
- STRUCTURED I, LLC
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multilayer paper containing wastepaper and grass fibers
- Patent number 11,078,628
- Issue date Aug 3, 2021
- PAPIERFABRIK MELDORF GMBH & CO. KOMMANDITGESELLSCHAFT
- Martin Pflug
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Resilient high bulk tissue products
- Patent number 11,035,081
- Issue date Jun 15, 2021
- Kimberly-Clark Worldwide, Inc.
- Stephen Michael Lindsay
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multilayer facer manufacturing system
- Patent number 10,618,248
- Issue date Apr 14, 2020
- Johns Manville
- Souvik Nandi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for manufacturing watermarked paper
- Patent number 10,428,457
- Issue date Oct 1, 2019
- Fedrigoni S.p.A.
- Ivo Planeta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Former of water laid asset that utilizes a structured fabric as the...
- Patent number 10,422,078
- Issue date Sep 24, 2019
- STRUCTURED I, LLC
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods and apparatus for forming fluff pulp sheets
- Patent number 9,347,182
- Issue date May 24, 2016
- International Paper Company
- Jyrki T. Jaakkola
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Systems and methods for making fiber webs
- Patent number 8,956,504
- Issue date Feb 17, 2015
- Hollingsworth & Vose Company
- David Vallery
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Systems and methods for making fiber webs
- Patent number 8,758,559
- Issue date Jun 24, 2014
- Hollingsworth & Vose Company
- David Vallery
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the production of paper or paperboard
- Patent number 8,512,517
- Issue date Aug 20, 2013
- Stora Enso AB
- Jan-Erik Nordstrom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sheet forming system for a machine for producing a multilayer fibro...
- Patent number 8,308,909
- Issue date Nov 13, 2012
- Voith Patent GmbH
- Markus Häussler
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of implanting RFID tags in corrugated paperboard
- Patent number 8,246,775
- Issue date Aug 21, 2012
- Texmag GmbH Vertriebsgesellschaft.
- Thomas Ernst
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Web-forming section and method for manufacturing multi-layer web
- Patent number 7,988,825
- Issue date Aug 2, 2011
- Metso Paper, Inc.
- Jouko Aula
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multi-layer web formation section
- Patent number 7,931,777
- Issue date Apr 26, 2011
- Metso Paper, Inc.
- Kari Räisänen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for the production of a web of tissue material
- Patent number 7,905,988
- Issue date Mar 15, 2011
- Voith Patent GmbH
- Thomas Thoroee Scherb
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multiply former apparatus
- Patent number 7,879,192
- Issue date Feb 1, 2011
- Paperchine Inc.
- James Smith
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multi-layer web formation section
- Patent number 7,608,165
- Issue date Oct 27, 2009
- Metso Paper, Inc.
- Kari Räisänen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for the production of a web of tissue material
- Patent number 7,597,778
- Issue date Oct 6, 2009
- Voith Paper Patent GmbH
- Thomas Thoroee Scherb
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for forming a fluted composite
- Patent number 7,166,190
- Issue date Jan 23, 2007
- National Institute for Strategic Technology Acquisistion and Commercialization
- Peter A. Graef
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multi-layer paper web and a method of forming it
- Patent number 6,811,652
- Issue date Nov 2, 2004
- SCA Hygiene Products AB
- Holger Hollmark
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for forming a multi-layered paper web
- Patent number 6,709,550
- Issue date Mar 23, 2004
- Kimberly-Clark Worldwide, Inc.
- Jeffrey D. Holz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for forming a multi-ply fiber web
- Patent number 6,702,926
- Issue date Mar 9, 2004
- Voith Sulzer Papiermaschinen GmbH
- Dieter Egelhof
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for forming a fluted composite
- Patent number 6,630,054
- Issue date Oct 7, 2003
- Weyerhaeuser Company
- Peter A. Graef
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Machine for the manufacture of a multi-layer fibrous web
- Patent number 6,616,811
- Issue date Sep 9, 2003
- Voith Paper Patent GmbH
- Alexander Wassermann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
BARRIER LAYERS COMPRISING NANOCELLULOSE ONTO THE SURFACE OF PAPER O...
- Publication number 20240352675
- Publication date Oct 24, 2024
- FiberLean Technologies Limited
- Robyn HILL
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BARRIER COATINGS APPLIED TO NANOCELLULOSE-COATED PAPER AND PAPERBOARD
- Publication number 20240167227
- Publication date May 23, 2024
- FiberLean Technologies Limited
- Thomas REEVE-LARSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPER PRODUCTS HAVING INCREASED BENDING STIFFNESS AND CROSS-DIRECTI...
- Publication number 20230250582
- Publication date Aug 10, 2023
- International Paper Company
- John Mullaney Meazle
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MULTILAYER FILM COMPRISING HIGHLY REFINED CELLULOSE FIBERS
- Publication number 20230135217
- Publication date May 4, 2023
- STORA ENSO OYJ
- Isto Heiskanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FORMER OF WATER LAID ASSET THAT UTILIZES A STRUCTURED FABRIC AS THE...
- Publication number 20210348333
- Publication date Nov 11, 2021
- STRUCTURED I, LLC
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method of forming a three-layer board web and a forming section of...
- Publication number 20200407916
- Publication date Dec 31, 2020
- VALMET TECHNOLOGIES OY
- Juan CECCHINI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPARATUS, SYSTEMS AND METHODS FOR MAKING RE-PULPABLE INSULATED PAP...
- Publication number 20200283957
- Publication date Sep 10, 2020
- Nigel J. Flynn
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
RESILIENT HIGH BULK TISSUE PRODUCTS
- Publication number 20200240086
- Publication date Jul 30, 2020
- Kimberly-Clark Worldwide, Inc.
- Stephen Michael Lindsay
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MULTILAYER PAPER CONTAINING WASTEPAPER AND GRASS FIBERS
- Publication number 20200224368
- Publication date Jul 16, 2020
- Martin Pflug
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for Sizing a Multi-ply Fiber Web and a Forming Section for a...
- Publication number 20200115854
- Publication date Apr 16, 2020
- VALMET TECHNOLOGIES, INC.
- Reijo Pietikäinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR INCREASING THE STRENGTH PROPERTIES OF A PAPER OR BOARD P...
- Publication number 20200080264
- Publication date Mar 12, 2020
- KEMIRA OYJ
- Mikko VIRTANEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD AND APPARATUS FOR MANUFACTURING WATERMARKED PAPER
- Publication number 20180251943
- Publication date Sep 6, 2018
- FEDRIGONI S.P.A.
- Ivo PLANETA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHODS AND APPARATUS FOR FORMING FLUFF PULP SHEETS
- Publication number 20170081802
- Publication date Mar 23, 2017
- International Paper Company
- JYRKI T. JAAKKOLA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHODS AND APPARATUS FOR FORMING FLUFF PULP SHEETS
- Publication number 20160237623
- Publication date Aug 18, 2016
- International Paper Company
- JYRKI T. JAAKKOLA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SYSTEMS AND METHODS FOR MAKING FIBER WEBS
- Publication number 20140242274
- Publication date Aug 28, 2014
- Hollingsworth & Vose Company
- David Vallery
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HEADBOX FOR THE PRODUCTION OF PAPER OR PAPERBOARD
- Publication number 20130299113
- Publication date Nov 14, 2013
- Jan-Erik Nordstrom
- B32 - LAYERED PRODUCTS
Information Patent Application
METHODS AND APPARATUS FOR FORMING FLUFF PULP SHEETS
- Publication number 20130213594
- Publication date Aug 22, 2013
- International Paper Company
- JYRKI T. JAAKKOLA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SYSTEMS AND METHODS FOR MAKING FIBER WEBS
- Publication number 20130025806
- Publication date Jan 31, 2013
- Hollingsworth & Vose Company
- David Vallery
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SHEET FORMING SYSTEM FOR A MACHINE FOR PRODUCING A MULTILAYER FIBRO...
- Publication number 20110303382
- Publication date Dec 15, 2011
- Markus Haussler
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR THE PRODUCTION OF PAPER OR PAPERBOARD
- Publication number 20110297342
- Publication date Dec 8, 2011
- Jan-Erik Nordstrom
- B32 - LAYERED PRODUCTS
Information Patent Application
Method of Implanting RFID Tags in Corrugated Paperboard
- Publication number 20100224304
- Publication date Sep 9, 2010
- TEXMAG GMBH
- Thomas Ernst
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Application
METHOD FOR THE PRODUCTION OF A WEB OF TISSUE MATERIAL
- Publication number 20100059192
- Publication date Mar 11, 2010
- VOITH PAPER PATENT GmbH
- Thomas THOROEE SCHERB
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Web-Forming Section and Method for Manufacturing Multi-Layer Web
- Publication number 20090165973
- Publication date Jul 2, 2009
- METSO PAPER, INC.
- Jouko Aula
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Multiply former apparatus
- Publication number 20080000604
- Publication date Jan 3, 2008
- James Smith
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method of Implanting RFID Tags in Corrugated Paperboard
- Publication number 20070193910
- Publication date Aug 23, 2007
- TEXMAG GMBH
- Thomas Ernst
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Application
Multi-layer web formation section
- Publication number 20070163736
- Publication date Jul 19, 2007
- Kari Raisanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Multi-layer web formation section
- Publication number 20070158042
- Publication date Jul 12, 2007
- Kari Raisanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Fluted composite and related absorbent articles
- Publication number 20060081348
- Publication date Apr 20, 2006
- Peter A. Graef
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Methods for forming a fluted composite
- Publication number 20060005934
- Publication date Jan 12, 2006
- Peter A. Graef
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method for the production of a web of tissue material
- Publication number 20050098282
- Publication date May 12, 2005
- VOITH PAPER PATENT GmbH
- Thomas Thoroee Scherb
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

paper or board consisting of two or more layers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Paper products having increased bending stiffness and cross-directi...

Former of water laid asset that utilizes a structured fabric as the...

Method of forming a three-layer board web and a forming section of...

Paper products having increased bending stiffness and cross-directi...

Method for sizing a multi-ply fiber web and a forming section for a...

Method for increasing the strength properties of a paper or board p...

Former of water laid asset that utilizes a structured fabric as the...

Multilayer paper containing wastepaper and grass fibers

Resilient high bulk tissue products

Multilayer facer manufacturing system

Method and apparatus for manufacturing watermarked paper

Former of water laid asset that utilizes a structured fabric as the...

Methods and apparatus for forming fluff pulp sheets

Systems and methods for making fiber webs

Systems and methods for making fiber webs

Process for the production of paper or paperboard

Sheet forming system for a machine for producing a multilayer fibro...

Method of implanting RFID tags in corrugated paperboard

Web-forming section and method for manufacturing multi-layer web

Multi-layer web formation section

Method for the production of a web of tissue material

Multiply former apparatus

Multi-layer web formation section

Method for the production of a web of tissue material

Methods for forming a fluted composite

Multi-layer paper web and a method of forming it

Method for forming a multi-layered paper web

Process for forming a multi-ply fiber web

Methods for forming a fluted composite

Machine for the manufacture of a multi-layer fibrous web

Patents Applicationslast 30 patents

BARRIER LAYERS COMPRISING NANOCELLULOSE ONTO THE SURFACE OF PAPER O...

BARRIER COATINGS APPLIED TO NANOCELLULOSE-COATED PAPER AND PAPERBOARD

PAPER PRODUCTS HAVING INCREASED BENDING STIFFNESS AND CROSS-DIRECTI...

MULTILAYER FILM COMPRISING HIGHLY REFINED CELLULOSE FIBERS

FORMER OF WATER LAID ASSET THAT UTILIZES A STRUCTURED FABRIC AS THE...

Method of forming a three-layer board web and a forming section of...

APPARATUS, SYSTEMS AND METHODS FOR MAKING RE-PULPABLE INSULATED PAP...

RESILIENT HIGH BULK TISSUE PRODUCTS

MULTILAYER PAPER CONTAINING WASTEPAPER AND GRASS FIBERS

Method for Sizing a Multi-ply Fiber Web and a Forming Section for a...

METHOD FOR INCREASING THE STRENGTH PROPERTIES OF A PAPER OR BOARD P...

METHOD AND APPARATUS FOR MANUFACTURING WATERMARKED PAPER

METHODS AND APPARATUS FOR FORMING FLUFF PULP SHEETS

METHODS AND APPARATUS FOR FORMING FLUFF PULP SHEETS

SYSTEMS AND METHODS FOR MAKING FIBER WEBS

HEADBOX FOR THE PRODUCTION OF PAPER OR PAPERBOARD

METHODS AND APPARATUS FOR FORMING FLUFF PULP SHEETS

SYSTEMS AND METHODS FOR MAKING FIBER WEBS

SHEET FORMING SYSTEM FOR A MACHINE FOR PRODUCING A MULTILAYER FIBRO...

PROCESS FOR THE PRODUCTION OF PAPER OR PAPERBOARD

Method of Implanting RFID Tags in Corrugated Paperboard

METHOD FOR THE PRODUCTION OF A WEB OF TISSUE MATERIAL

Web-Forming Section and Method for Manufacturing Multi-Layer Web

Multiply former apparatus

Method of Implanting RFID Tags in Corrugated Paperboard

Multi-layer web formation section

Multi-layer web formation section

Fluted composite and related absorbent articles

Methods for forming a fluted composite

Method for the production of a web of tissue material