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Head boxes of Fourdrinier machines
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D21F1/02
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21F
PAPER-MAKING MACHINES METHODS OF PRODUCING PAPER THEREON
D21F1/00
Wet end of machines for making continuous webs of paper
Current Industry
D21F1/02
Head boxes of Fourdrinier machines
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 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
Apparatus for forming a substrate
Patent number
12,006,604
Issue date
Jun 11, 2024
Stephen A. Marrano
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device and method for producing a fibrous web
Patent number
12,006,631
Issue date
Jun 11, 2024
Andritz AG
Boris Jancic
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Headbox for manufacturing a substrate
Patent number
11,963,851
Issue date
Apr 23, 2024
Stephen A. Marrano
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Foam-based manufacturing system and process
Patent number
11,932,988
Issue date
Mar 19, 2024
Kimberly-Clark Worldwide, Inc.
Marvin E. E. Swails
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for producing a zoned and/or layered substrate
Patent number
11,866,884
Issue date
Jan 9, 2024
Jian Qin
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Grant
Crescent former for producing tissue paper
Patent number
11,834,788
Issue date
Dec 5, 2023
Valmet AB
Karl Adamsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Elongated component for a manufacturing machine of a fibrous cellul...
Patent number
11,814,793
Issue date
Nov 14, 2023
VALMET TECHNOLOGIES OY
Pasi Viitasalo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper producing apparatus
Patent number
11,788,230
Issue date
Oct 17, 2023
Seiko Epson Corporation
Kazuma Miyazawa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fiber transport apparatus and fiber transport method
Patent number
11,661,702
Issue date
May 30, 2023
Seiko Epson Corporation
Koji Motohashi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composition of matter feed to a head box
Patent number
11,512,433
Issue date
Nov 29, 2022
Eastman Chemical Company
Charles Stuart Everett
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of and an arrangement for adding at least one additional sto...
Patent number
11,459,700
Issue date
Oct 4, 2022
Wetend Technologies Oy
Antti Ketolainen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Use of a polymer product for deposit formation control in manufactu...
Patent number
11,441,273
Issue date
Sep 13, 2022
Kemira Oyj
Matti Hietaniemi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Pulp washer mist eliminator and foam remover system
Patent number
11,377,794
Issue date
Jul 5, 2022
Clinton R. Parks
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of and an arrangement for adding a chemical to an approach f...
Patent number
11,352,749
Issue date
Jun 7, 2022
WETEND TECHNOLOGY OY
Jouni Matula
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Water removal between wire and wet press of a paper mill process
Patent number
11,332,885
Issue date
May 17, 2022
Eastman Chemical Company
Charles Stuart Everett
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fibrous body accumulating device and fiber structure producing device
Patent number
11,326,305
Issue date
May 10, 2022
Seiko Epson Corporation
Kazuma Miyazawa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Sheet manufacturing apparatus and control method for sheet manufact...
Patent number
11,313,078
Issue date
Apr 26, 2022
Seiko Epson Corporation
Yuki Oguchi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Wet part of fourdrinier
Patent number
11,293,140
Issue date
Apr 5, 2022
Shenzhen De Wei Fiber Environment Protection Technology Co., Ltd.
Shan Feng
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
Sheet manufacturing apparatus
Patent number
10,914,034
Issue date
Feb 9, 2021
Seiko Epson Corporation
Naotaka Higuchi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Nozzle cap, nozzle device provided with such cap, and spraying meth...
Patent number
10,870,118
Issue date
Dec 22, 2020
Maintech Co., Ltd.
Hiroshi Sekiya
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing a fibrous material web
Patent number
10,808,360
Issue date
Oct 20, 2020
Andritz AG
Andreas Anzel
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Papermaking fabric
Patent number
10,633,792
Issue date
Apr 28, 2020
Voith Patent GmbH
Scott D. Quigley
D03 - WEAVING
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
Paper manufacturing system
Patent number
10,513,825
Issue date
Dec 24, 2019
Ahmed Ibrahim
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Device for simultaneously measuring headbox slice opening and setba...
Patent number
9,909,850
Issue date
Mar 6, 2018
Paperchine, Inc.
Ralph Prescott
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Headbox apparatus
Patent number
9,422,665
Issue date
Aug 23, 2016
Paperchine Inc
James Leroy Ewald
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Used paper recycling apparatus and its constituent devices
Patent number
9,127,404
Issue date
Sep 8, 2015
Seed Company Limited
Shigeru Tamai
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
PAPERMAKING MACHINE THAT UTILIZES ONLY A STRUCTURED FABRIC IN THE F...
Publication number
20240368838
Publication date
Nov 7, 2024
STRUCTURED I, LLC
James E. Sealey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
APPARATUS FOR FORMING A SUBSTRATE
Publication number
20240279856
Publication date
Aug 22, 2024
Kimberly-Clark Worldwide, Inc.
Stephen A. Marrano
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process and System for Reorienting Fibers in a Foam Forming Process
Publication number
20240254695
Publication date
Aug 1, 2024
Kimberly-Clark Worldwide, Inc.
Peter Wallace
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HEADBOX FOR MANUFACTURING A SUBSTRATE
Publication number
20240225911
Publication date
Jul 11, 2024
Kimberly-Clark Worldwide, Inc.
Stephen A. Marrano
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Foam-Based Manufacturing System and Process
Publication number
20240175204
Publication date
May 30, 2024
Kimberly-Clark Worldwide, Inc.
Marvin E. Swails
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
METHOD AND DEVICE FOR PRODUCING AN MFC FILM
Publication number
20240141589
Publication date
May 2, 2024
STORA ENSO OYJ
Otto Nylèn
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
METHOD AND APPARATUS FOR PRODUCING A ZONED SUBSTRATE
Publication number
20240125048
Publication date
Apr 18, 2024
Kimberly-Clark Worldwide, Inc.
Jian Qin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
DEVICE FOR PRODUCING A COMPOSITE NONWOVEN WEB
Publication number
20240044059
Publication date
Feb 8, 2024
ANDRITZ KUESTERS GMBH
HENNING VOMHOF
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING A FILM COMPRISING HIGHLY REFINED CELLULOSE...
Publication number
20230313464
Publication date
Oct 5, 2023
STORA ENSO OYJ
Anna Kauppi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Absorbent Product with Improved Capillary Pressure and Saturation C...
Publication number
20230250586
Publication date
Aug 10, 2023
Kimberly-Clark Worldwide, Inc.
Charles W. Colman
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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
FLOW-OPTIMIZED EDGE TREATMENT
Publication number
20230235508
Publication date
Jul 27, 2023
VOITH PATENT GmbH
Uwe Joos
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
APPARATUS FOR FORMING A SUBSTRATE
Publication number
20230212800
Publication date
Jul 6, 2023
Kimberly-Clark Worldwide, Inc.
Stephen A. Marrano
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
CRESCENT FORMER FOR PRODUCING TISSUE PAPER
Publication number
20230212819
Publication date
Jul 6, 2023
VALMET AB
Karl ADAMSSON
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CONTROLLING THE SLICE FLOW OF A SLURRY THROUGH A HEADBOX
Publication number
20230160144
Publication date
May 25, 2023
Andritz Inc.
Ralph Prescott
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FOAM-BASED MANUFACTURING SYSTEM AND PROCESS
Publication number
20230074870
Publication date
Mar 9, 2023
Kimberly-Clark Worldwide, Inc.
Marvin E. E. Swails
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Device and Method for Producing a Fibrous Web
Publication number
20230030264
Publication date
Feb 2, 2023
Andritz AG
Boris Jancic
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LIGHT WEIGHT LINERBOARD FOR CORRUGATED BOARD
Publication number
20230019391
Publication date
Jan 19, 2023
STORA ENSO OYJ
Seppo Lampainen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Elongated Component for a Manufacturing Machine of a Fibrous Cellul...
Publication number
20220403596
Publication date
Dec 22, 2022
VALMET TECHNOLOGIES OY
Pasi Viitasalo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
EFFICIENT PRODUCTION OF A CONTAINERBOARD TO BE USED AS FLUTING
Publication number
20220213649
Publication date
Jul 7, 2022
BILLERUDKORSNÄS AB
Fredrik Nordstrom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PAPER PRODUCING APPARATUS
Publication number
20220098794
Publication date
Mar 31, 2022
SEIKO EPSON CORPORATION
Kazuma MIYAZAWA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Use of a polymer product for deposit formation control in manufactu...
Publication number
20210301473
Publication date
Sep 30, 2021
KEMIRA OYJ
Matti Hietaniemi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SHEET MANUFACTURING APPARATUS AND CONTROL METHOD FOR SHEET MANUFACT...
Publication number
20210277602
Publication date
Sep 9, 2021
SEIKO EPSON CORPORATION
Yuki OGUCHI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBROUS BODY ACCUMULATING DEVICE AND FIBER STRUCTURE PRODUCING DEVICE
Publication number
20210246611
Publication date
Aug 12, 2021
SEIKO EPSON CORPORATION
Kazuma MIYAZAWA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBROUS BODY ACCUMULATING DEVICE AND FIBER STRUCTURE PRODUCING DEVICE
Publication number
20210246612
Publication date
Aug 12, 2021
SEIKO EPSON CORPORATION
Kazuma MIYAZAWA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Pulp Washer Mist Eliminator and Foam Remover System
Publication number
20210238803
Publication date
Aug 5, 2021
Clinton R. Parks
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
EQUIPMENT FOR MANUFACTURING FIBER STRUCTURE, METHOD FOR MANUFACTURI...
Publication number
20210230802
Publication date
Jul 29, 2021
SEIKO EPSON CORPORATION
Toshiaki YAMAGAMI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF AND AN ARRANGEMENT FOR ADDING AT LEAST ONE ADDITIONAL STO...
Publication number
20210189650
Publication date
Jun 24, 2021
WETEND TECHNOLOGIES OY
Antti KETOLAINEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE