TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE

Industry

CPC
D21D

Parent Industries

Current Industry

D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE

Sub Industries

D21D1/00Methods of beating or refining Beaters of the Hollander type D21D5/00Purification of the pulp suspension by mechanical means Apparatus therefor D21D99/00Subject matter not provided for in other groups of this subclass

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for production of filler loaded surface enhanced pulp fibers
- Patent number 12,325,959
- Issue date Jun 10, 2025
- Domtar Paper Company, LLC
- Harshad Pande
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Driving assistance apparatus
- Patent number 12,307,893
- Issue date May 20, 2025
- Honda Motor Co., Ltd.
- Hiroshi Kamakura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and process for refining lignocellulosic biomass material
- Patent number 12,305,329
- Issue date May 20, 2025
- Valmet AB
- Per Eriksson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for manufacturing a fibre web
- Patent number 12,291,820
- Issue date May 6, 2025
- Marko Kolari
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Blade segment for refiner
- Patent number 12,281,439
- Issue date Apr 22, 2025
- VALMET TECHNOLOGIES OY
- Marko Loijas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for recovering fiber from screening reject and fine sorting...
- Patent number 12,270,150
- Issue date Apr 8, 2025
- TAIZEN CO., LTD.
- Takefumi Ide
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process and apparatus for producing a molded fiber article
- Patent number 12,264,440
- Issue date Apr 1, 2025
- Kurtz GmbH & Co. KG
- Uwe Rothaug
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Aramid pulp and method for manufacturing the same
- Patent number 12,258,714
- Issue date Mar 25, 2025
- Kolon Industries, Inc.
- Changhee Ko
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for suppressing sedimentation of suspended substance, method...
- Patent number 12,247,354
- Issue date Mar 11, 2025
- Kurita Water Industries Ltd.
- Hiroki Katsura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Blade segment for refiner
- Patent number 12,241,203
- Issue date Mar 4, 2025
- VALMET TECHNOLOGIES OY
- Marko Loijas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High brightness non-wood pulp
- Patent number 12,227,900
- Issue date Feb 18, 2025
- Kimberly-Clark Worldwide, Inc.
- Thomas G. Shannon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Colloid mill
- Patent number 12,214,359
- Issue date Feb 4, 2025
- Fristam Pumps USA Limited Partnership
- Matthew D. Eggert
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Refiner
- Patent number 12,215,462
- Issue date Feb 4, 2025
- Aikawa Iron Works Co., Ltd.
- Makoto Goto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing microscale and/or nanoscale fiber material
- Patent number 12,209,363
- Issue date Jan 28, 2025
- Weidmann Holding AG
- Stefan Truniger
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Apparatus for grinding a fibrous material suspension
- Patent number 12,188,177
- Issue date Jan 7, 2025
- Andritz AG
- Thomas Reisinger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Arrangement and method for degassing a pump
- Patent number 12,173,451
- Issue date Dec 24, 2024
- Andritz Oy
- Ronny Geiger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiberboard manufacturing method and fiberboard
- Patent number 12,163,284
- Issue date Dec 10, 2024
- Nichiha Corporation
- Naoki Sugiyama
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Non-wood pulp having high brightness and low debris
- Patent number 12,146,262
- Issue date Nov 19, 2024
- Kimberly-Clark Worldwide, Inc.
- Zhiying Yu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refiner plate segment
- Patent number 12,139,854
- Issue date Nov 12, 2024
- Voith Patent GmbH
- Martin Schmid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process to produce microfibrillated cellulose by impacts
- Patent number 12,123,140
- Issue date Oct 22, 2024
- SUZANO S.A.
- Estevão Frigini Mai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screen cylinder
- Patent number 12,123,141
- Issue date Oct 22, 2024
- AIKAWA FIBER TECHNOLOGIES OY
- Benoit Martineau
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Paper products incorporating surface enhanced pulp fibers and havin...
- Patent number 12,116,732
- Issue date Oct 15, 2024
- Domtar Paper Company, LLC
- Bradley Langford
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Tissues and paper towels incorporating surface enhanced pulp fibers...
- Patent number 12,104,327
- Issue date Oct 1, 2024
- Domtar Paper Company, LLC
- Bradley Langford
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper products and pulps with surface enhanced pulp fibers and incr...
- Patent number 12,104,324
- Issue date Oct 1, 2024
- Domtar Paper Company, LLC
- Harshad Pande
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Arrangement and method for adjusting blade gap in refiner
- Patent number 12,091,819
- Issue date Sep 17, 2024
- VALMET TECHNOLOGIES OY
- Juha Aronen
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Rotor with forward-swept struts for pressure screen cylinders
- Patent number 12,070,776
- Issue date Aug 27, 2024
- KADANT BLACK CLAWSON, LLC
- John Joseph Egan
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Accessory for disc refiner
- Patent number 12,060,680
- Issue date Aug 13, 2024
- Valmet AB
- Robert Short
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for controlling a device for treating high-consistency pulp
- Patent number 12,043,959
- Issue date Jul 23, 2024
- Voith Patent GmbH
- Markus Nussbaumer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing binderless formaldehyde-free fiberboard and c...
- Patent number 12,037,745
- Issue date Jul 16, 2024
- DAHE (SHANGHAI) ECOLOGICAL TECHNOLOGY CO., LTD.
- Bo Bai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
SCREEN CYLINDER WITH AXIALLY VARIABLE WEAR RESISTANT COATING THICKNESS
- Publication number 20250170503
- Publication date May 29, 2025
- AIKAWA FIBER TECHNOLOGIES OY
- Robert William GOODING
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Application
Conical Refining Filling
- Publication number 20250171959
- Publication date May 29, 2025
- VALMET TECHNOLOGIES, INC.
- Håkan Sjöström
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SCREEN CYLINDER WITH BARS CONFIGURED TO RECEIVE A WEAR RESISTANT SP...
- Publication number 20250163644
- Publication date May 22, 2025
- AIKAWA FIBER TECHNOLOGIES OY
- Mathieu HAMELIN
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Application
WEAR RESISTANT SPRAY COATING OF SCREEN CYLINDERS BY VARYING THE SPR...
- Publication number 20250154637
- Publication date May 15, 2025
- AIKAWA FIBER TECHNOLOGIES OY
- Mathieu HAMELIN
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HIGH BRIGHTNESS NON-WOOD PULP
- Publication number 20250146219
- Publication date May 8, 2025
- Kimberly-Clark Worldwide, Inc.
- Thomas G. Shannon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BEDPLATES HAVING GRADUATED OPENINGS FOR PULP PROCESSING UNITS
- Publication number 20250137197
- Publication date May 1, 2025
- Kadant Black Clawson LLC
- John J. Egan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ARRANGEMENT AND METHOD FOR DEGASSING A PUMP
- Publication number 20250101681
- Publication date Mar 27, 2025
- ANDRITZ OY
- Ronny GEIGER
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for Separating Trichomes from Non-Trichome Materials
- Publication number 20250101680
- Publication date Mar 27, 2025
- The Procter & Gamble Company
- Raul Victorino Nunes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
LIQUID CRYSTAL POLYMER POWDER, LIQUID CRYSTAL POLYMER FILM, AND MET...
- Publication number 20250092605
- Publication date Mar 20, 2025
- Murata Manufacturing Co., Ltd.
- Narimichi MAKINO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Methods for Liberating Trichome Fibers from Portions of a Host Plant
- Publication number 20250075428
- Publication date Mar 6, 2025
- The Procter & Gamble Company
- Khosrow Parviz Mohammadi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Adjusting Blade Gap in Processing Equipment for Processing Fibrous...
- Publication number 20250059708
- Publication date Feb 20, 2025
- VALMET TECHNOLOGIES OY
- Juha Aronen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
STRENGTH ENHANCEMENT AGENT FOR PAPER AND PAPERBOARD
- Publication number 20250059712
- Publication date Feb 20, 2025
- STORA ENSO OYJ
- Kaj Backfolk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Refining Segment for Refiner
- Publication number 20250043510
- Publication date Feb 6, 2025
- VALMET TECHNOLOGIES OY
- Håkan Sjöström
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER FILLING PIECE HAVING MULTIPLE COATINGS ON BARS
- Publication number 20250027271
- Publication date Jan 23, 2025
- AIKAWA FIBER TECHNOLOGIES INC.
- Daniel PATERSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A method, uses of the same, a pulp composition, and a system
- Publication number 20250027270
- Publication date Jan 23, 2025
- METSÄ BOARD OYJ
- Mikko Nikamaa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS
- Publication number 20250012010
- Publication date Jan 9, 2025
- Kimberly-Clark Worldwide, Inc.
- Zhiying Yu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A METHOD FOR MANUFACTURING A PURIFIED FIBER FRACTION FROM USED BEVE...
- Publication number 20250012011
- Publication date Jan 9, 2025
- STORA ENSO OYJ
- Carl-Henrik Ljungqvist
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS TO PRODUCE MICROFIBRILLATED CELLULOSE BY IMPACTS
- Publication number 20250003151
- Publication date Jan 2, 2025
- Suzano S.A.
- Estevão Frigini Mai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BLADE FOR A REFINER FOR REFINING LIGNOCELLULOSIC MATERIAL, AND REFI...
- Publication number 20240426051
- Publication date Dec 26, 2024
- VALMET AB
- Thommy LINDBLOM
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BLADE FOR A REFINER FOR REFINING LIGNOCELLULOSIC MATERIAL, AND REFI...
- Publication number 20240426052
- Publication date Dec 26, 2024
- VALMET AB
- Thommy LINDBLOM
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A Method for Treating Textile Fibers of Different Lengths
- Publication number 20240410111
- Publication date Dec 12, 2024
- VALMET TECHNOLOGIES OY
- Tuomo Aho
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD AND APPARATUS FOR PRODUCING A MOULDABLE CELLULOSIC FIBROUS M...
- Publication number 20240392502
- Publication date Nov 28, 2024
- Papyrus Australia Limited
- Ramy Abraham AZER
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Deflaking Element for Pulper
- Publication number 20240392501
- Publication date Nov 28, 2024
- Luigi Silveri
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
GRINDING METHOD AND GRINDING MEDIUM
- Publication number 20240368835
- Publication date Nov 7, 2024
- FiberLean Technologies Limited
- Lewis TAYLOR
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ROTOR WITH FORWARD-SWEPT STRUTS FOR PRESSURE SCREEN CYLINDERS
- Publication number 20240359215
- Publication date Oct 31, 2024
- Kadant Black Clawson LLC
- John Joseph Egan
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Application
APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS
- Publication number 20240360622
- Publication date Oct 31, 2024
- International Paper Company
- Dwight Edward Anderson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DISPERSIBLE PAPER, METHOD FOR PRODUCING SAME, PACKAGING AND USE OF...
- Publication number 20240344274
- Publication date Oct 17, 2024
- Klabin S.A.
- Guilherme GIESEL
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHODS OF INCREASING FORMABILITY OF A PALM SHEATH MATERIAL, METHOD...
- Publication number 20240344270
- Publication date Oct 17, 2024
- Purdue Research Foundation
- Srinivasan Chandrasekar
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF
- Publication number 20240337069
- Publication date Oct 10, 2024
- Wm. Wrigley Jr. Company
- Preeti TYAGI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ACCESSORY FOR DISC REFINER
- Publication number 20240328085
- Publication date Oct 3, 2024
- VALMET AB
- Robert SHORT
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

Method for production of filler loaded surface enhanced pulp fibers

Driving assistance apparatus

System and process for refining lignocellulosic biomass material

Process for manufacturing a fibre web

Blade segment for refiner

Method for recovering fiber from screening reject and fine sorting...

Process and apparatus for producing a molded fiber article

Aramid pulp and method for manufacturing the same

Method for suppressing sedimentation of suspended substance, method...

Blade segment for refiner

High brightness non-wood pulp

Colloid mill

Refiner

Method for producing microscale and/or nanoscale fiber material

Apparatus for grinding a fibrous material suspension

Arrangement and method for degassing a pump

Fiberboard manufacturing method and fiberboard

Non-wood pulp having high brightness and low debris

Refiner plate segment

Process to produce microfibrillated cellulose by impacts

Screen cylinder

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

Paper products incorporating surface enhanced pulp fibers and havin...

Tissues and paper towels incorporating surface enhanced pulp fibers...

Paper products and pulps with surface enhanced pulp fibers and incr...

Arrangement and method for adjusting blade gap in refiner

Rotor with forward-swept struts for pressure screen cylinders

Accessory for disc refiner

Method for controlling a device for treating high-consistency pulp

Process for producing binderless formaldehyde-free fiberboard and c...

Patents Applicationslast 30 patents

SCREEN CYLINDER WITH AXIALLY VARIABLE WEAR RESISTANT COATING THICKNESS

Conical Refining Filling

SCREEN CYLINDER WITH BARS CONFIGURED TO RECEIVE A WEAR RESISTANT SP...

WEAR RESISTANT SPRAY COATING OF SCREEN CYLINDERS BY VARYING THE SPR...

HIGH BRIGHTNESS NON-WOOD PULP

BEDPLATES HAVING GRADUATED OPENINGS FOR PULP PROCESSING UNITS

ARRANGEMENT AND METHOD FOR DEGASSING A PUMP

Process for Separating Trichomes from Non-Trichome Materials

LIQUID CRYSTAL POLYMER POWDER, LIQUID CRYSTAL POLYMER FILM, AND MET...

Methods for Liberating Trichome Fibers from Portions of a Host Plant

Adjusting Blade Gap in Processing Equipment for Processing Fibrous...

STRENGTH ENHANCEMENT AGENT FOR PAPER AND PAPERBOARD

Refining Segment for Refiner

REFINER FILLING PIECE HAVING MULTIPLE COATINGS ON BARS

A method, uses of the same, a pulp composition, and a system

NON-WOOD PULP HAVING HIGH BRIGHTNESS AND LOW DEBRIS

A METHOD FOR MANUFACTURING A PURIFIED FIBER FRACTION FROM USED BEVE...

PROCESS TO PRODUCE MICROFIBRILLATED CELLULOSE BY IMPACTS

BLADE FOR A REFINER FOR REFINING LIGNOCELLULOSIC MATERIAL, AND REFI...

BLADE FOR A REFINER FOR REFINING LIGNOCELLULOSIC MATERIAL, AND REFI...

A Method for Treating Textile Fibers of Different Lengths

METHOD AND APPARATUS FOR PRODUCING A MOULDABLE CELLULOSIC FIBROUS M...

Deflaking Element for Pulper

GRINDING METHOD AND GRINDING MEDIUM

ROTOR WITH FORWARD-SWEPT STRUTS FOR PRESSURE SCREEN CYLINDERS

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

DISPERSIBLE PAPER, METHOD FOR PRODUCING SAME, PACKAGING AND USE OF...

METHODS OF INCREASING FORMABILITY OF A PALM SHEATH MATERIAL, METHOD...

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

ACCESSORY FOR DISC REFINER