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D21F1/32
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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
D21F1/32
Washing wire-cloths or felts
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Patents Grants
last 30 patents
Information
Patent Grant
Systems and methods for cleaning composite laminated imprinting fab...
Patent number
12,163,286
Issue date
Dec 10, 2024
First Quality Tissue, LLC
Byrd Tyler Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Cleaning apparatus and fiber structure manufacturing apparatus
Patent number
11,725,343
Issue date
Aug 15, 2023
Seiko Epson Corporation
Hayato Yanagawa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cleaning system and method for cleaning a band circulating in a pap...
Patent number
11,613,847
Issue date
Mar 28, 2023
S.A. Giuseppe Cristini S.p.A.
Giovanni Cristini
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Machine for dewatering and drying a fibrous web
Patent number
11,286,617
Issue date
Mar 29, 2022
Voith Patent GmbH
Daniel Gronych
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cleaning compositions and methods of cleaning equipment
Patent number
11,203,733
Issue date
Dec 21, 2021
Kemira Oyj
Yong Zou
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Drying section of a papermaking machine comprising one or more thro...
Patent number
11,136,717
Issue date
Oct 5, 2021
Valmet Aktiebolag
Dennis Jewitt
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Deposit detection in a paper making system via vibration analysis
Patent number
11,041,271
Issue date
Jun 22, 2021
Ecolab USA Inc.
Dominic Luneau
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Canvas cleaning device, canvas cleaning method and canvas cleaning...
Patent number
11,008,706
Issue date
May 18, 2021
Maintech Co., Ltd.
Hiroshi Sekiya
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Conveyance device and fibrous material recycling device
Patent number
11,008,705
Issue date
May 18, 2021
Seiko Epson Corporation
Naotaka Higuchi
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method of improving paper machine fabric performance
Patent number
10,851,330
Issue date
Dec 1, 2020
Dubois Chemicals, Inc.
Harold Laser
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Apparatus for cleaning a felt in a system for producing a paper web
Patent number
10,780,465
Issue date
Sep 22, 2020
Klaus Bartelmuss
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Systems and methods for providing force vector compensated fan nozzles
Patent number
10,753,045
Issue date
Aug 25, 2020
Kadant Inc.
Peter Thuroe Carstensen
B08 - CLEANING
Information
Patent Grant
Process for cleaning a transport belt for manufacturing a paper web
Patent number
10,744,545
Issue date
Aug 18, 2020
GPCP IP Holdings LLC
Mark S. Hunter
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of improving paper machine forming wire, felt and woven drye...
Patent number
10,604,895
Issue date
Mar 31, 2020
Dubois Chemicals, Inc.
Brandon E. Mahler
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fabric with contaminant resistant nanoparticle coating and method o...
Patent number
10,577,744
Issue date
Mar 3, 2020
AstenJohnson, Inc.
Samuel M. Baker
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Monitoring system for monitoring the conditions of a band circulati...
Patent number
10,494,765
Issue date
Dec 3, 2019
S.A. Giuseppe Cristini S.p.A.
Matteo Michelotti
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods and compositions for cleaning paper machine fabrics
Patent number
10,487,451
Issue date
Nov 26, 2019
West End Products, LLC
Dennis Z. Lasik
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus with pad having a fabric structure to apply a liquid
Patent number
10,350,630
Issue date
Jul 16, 2019
CTP GmbH
Marcus Pfeifle
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method of spraying chemical solution
Patent number
10,273,631
Issue date
Apr 30, 2019
Maintech Co., Ltd.
Hiroshi Sekiya
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for cleaning a transport belt for manufacturing a paper web
Patent number
10,201,840
Issue date
Feb 12, 2019
GPCP IP Holdings LLC
Mark S. Hunter
B08 - CLEANING
Information
Patent Grant
Method for controlling the conditions of at least one band circulat...
Patent number
10,132,035
Issue date
Nov 20, 2018
S.A. Giuseppe Cristini S.p.A.
Luca Canali
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods and compositions for cleaning paper machine fabrics
Patent number
9,945,074
Issue date
Apr 17, 2018
WEST END PRODUCTS LLC
Dennis Z. Lasik
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Method for spraying chemical solution
Patent number
9,937,521
Issue date
Apr 10, 2018
Maintech Co., Ltd.
Hiroshi Sekiya
B08 - CLEANING
Information
Patent Grant
Drain apparatus for a dry strainer cleaning head
Patent number
9,732,471
Issue date
Aug 15, 2017
PAPRIMA INDUSTRIES INC.
Roman Caspar
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Papermaking fabrics with contaminant resistant nanoparticle coating...
Patent number
9,562,319
Issue date
Feb 7, 2017
AstenJohnson, Inc.
Samuel M. Baker
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Apparatus wtih pad having a fabric structure to apply a liquid
Patent number
9,555,435
Issue date
Jan 31, 2017
CTP GmbH
Marcus Pfeifle
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cleaning apparatus
Patent number
9,222,221
Issue date
Dec 29, 2015
Paprima Industries Inc.
Roman Caspar
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for reducing the water and energy consumption...
Patent number
9,051,685
Issue date
Jun 9, 2015
Runtech Systems Oy
Juha Karvinen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Drain apparatus for a dry strainer cleaning head
Patent number
9,044,782
Issue date
Jun 2, 2015
Paprima Industries Inc.
Roman Caspar
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
SHEET MANUFACTURING APPARATUS AND POWER SWITCHING DEVICE
Publication number
20240426055
Publication date
Dec 26, 2024
SEIKO EPSON CORPORATION
Tetsuya TAMURA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SHEET MANUFACTURING APPARATUS AND CLEANING DEVICE
Publication number
20240410112
Publication date
Dec 12, 2024
SEIKO EPSON CORPORATION
Tetsuya TAMURA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
METHOD FOR SPRAYING CHEMICAL SOLUTION
Publication number
20230183922
Publication date
Jun 15, 2023
MAINTECH CO., LTD.
Hiroshi SEKIYA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CHEMICAL SOLUTION SPRAYING METHOD
Publication number
20230182157
Publication date
Jun 15, 2023
MAINTECH CO., LTD.
Hiroshi SEKIYA
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
SYSTEMS AND METHODS FOR CLEANING COMPOSITE LAMINATED IMPRINTING FAB...
Publication number
20230122186
Publication date
Apr 20, 2023
FIRST QUALITY TISSUE, LLC
Byrd Tyler Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SYSTEM AND METHOD FOR CLEANING OF BELTS AND/OR FABRICS USED ON THRO...
Publication number
20220389654
Publication date
Dec 8, 2022
FIRST QUALITY TISSUE, LLC
James E. Sealey
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CLEANING APPARATUS AND FIBER STRUCTURE MANUFACTURING APPARATUS
Publication number
20220316136
Publication date
Oct 6, 2022
SEIKO EPSON CORPORATION
Hayato YANAGAWA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A DRYING SECTION OF A PAPERMAKING MACHINE COMPRISING ONE OR MORE TH...
Publication number
20210310191
Publication date
Oct 7, 2021
Valmet Aktiebolag
Dennis JEWITT
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CANVAS CLEANING DEVICE, CANVAS CLEANING METHOD AND CANVAS CLEANING...
Publication number
20200340181
Publication date
Oct 29, 2020
MAINTECH CO., LTD.
Hiroshi SEKIYA
B08 - CLEANING
Information
Patent Application
METHOD FOR SPRAYING CHEMICAL SOLUTION
Publication number
20200139399
Publication date
May 7, 2020
MAINTECH CO., LTD.
Hiroshi SEKIYA
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Cleaning compositions and methods of cleaning equipment
Publication number
20190345418
Publication date
Nov 14, 2019
KEMIRA OYJ
Yong ZOU
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
SYSTEMS AND METHODS FOR VARIABLE SHOWER WATER JET IMPINGEMENT FOR F...
Publication number
20190276984
Publication date
Sep 12, 2019
KADANT INC.
Peter Thuroe CARSTENSEN
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
CONTAMINATION-PREVENTING AGENT COMPOSITION AND CONTAMINATION PREVEN...
Publication number
20190211504
Publication date
Jul 11, 2019
MAINTECH CO., LTD.
Hiroshi SEKIYA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MACHINE FOR DEWATERING AND DRYING A FIBROUS WEB
Publication number
20190100876
Publication date
Apr 4, 2019
VOITH PATENT GmbH
Daniel Gronych
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR CLEANING A TRANSPORT BELT FOR MANUFACTURING A PAPER WEB
Publication number
20190022716
Publication date
Jan 24, 2019
GPCP IP Holdings LLC
Mark S. HUNTER
B08 - CLEANING
Information
Patent Application
METHODS AND COMPOSITIONS FOR CLEANING PAPER MACHINE FABRICS
Publication number
20180230651
Publication date
Aug 16, 2018
Dennis Z. Lasik
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF IMPROVING PAPER MACHINE FORMING WIRE, FELT AND WOVEN DRYE...
Publication number
20180155872
Publication date
Jun 7, 2018
DUBOIS CHEMICALS, INC.
Brandon E. Mahler
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Cleaning Device
Publication number
20180119349
Publication date
May 3, 2018
VOITH PATENT GmbH
MARK HODSON
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
APPARATUS FOR CLEANING A FELT IN A SYSTEM FOR PRODUCING A PAPER WEB
Publication number
20180009008
Publication date
Jan 11, 2018
KLAUS BARTELMUSS
B08 - CLEANING
Information
Patent Application
MONITORING SYSTEM FOR MONITORING THE CONDITIONS OF A BAND CIRCULATI...
Publication number
20170152631
Publication date
Jun 1, 2017
S.A. GIUSEPPE CRISTINI S.p.A.
Matteo Michelotti
G01 - MEASURING TESTING
Information
Patent Application
Application Unit
Publication number
20170144184
Publication date
May 25, 2017
CTP GmbH
Marcus Pfeifle
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
METHOD OF SPRAYING CHEMICAL SOLUTION
Publication number
20170073895
Publication date
Mar 16, 2017
MAINTECH CO., LTD.
Hiroshi SEKIYA
B08 - CLEANING
Information
Patent Application
APPARATUS AND METHOD FOR CONTROLLING THE CONDITIONS OF AT LEAST ONE...
Publication number
20170002516
Publication date
Jan 5, 2017
S.A. GIUSEPPE CRISTINI S.p.A.
Luca Canali
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Cleaning Apparatus
Publication number
20140374046
Publication date
Dec 25, 2014
Roman Caspar
B08 - CLEANING
Information
Patent Application
METHOD AND APPARATUS FOR REDUCING THE WATER AND ENERGY CONSUMPTION...
Publication number
20140231038
Publication date
Aug 21, 2014
RUNTECH SYSTEMS OY
Juha Karvinen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME
Publication number
20140057820
Publication date
Feb 27, 2014
West End Products, LLC
Dennis Z. Lasik
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
HAND-HELD APPARATUS FOR CONTROLLING THE CONDITION OF A CIRCULATING...
Publication number
20130299112
Publication date
Nov 14, 2013
Luca Canali
G01 - MEASURING TESTING
Information
Patent Application
PROCESS FOR CLEANING A TRANSPORT BELT FOR MANUFACTURING A PAPER WEB
Publication number
20130269734
Publication date
Oct 17, 2013
GEORGIA-PACIFIC CONSUMER PRODUCTS LP
Mark S. HUNTER
B08 - CLEANING
Information
Patent Application
APPLICATION UNIT
Publication number
20130224384
Publication date
Aug 29, 2013
Marcus Pfeifle
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...