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
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
Information Patent Grant
Refiner segment
- Patent number 12,031,270
- Issue date Jul 9, 2024
- Valmet AB
- Thommy Lindblom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pulper for circulating a fibrous stock suspension
- Patent number 12,012,694
- Issue date Jun 18, 2024
- Voith Patent GmbH
- Oliver Lüdtke
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Double-disc refiner
- Patent number 12,012,695
- Issue date Jun 18, 2024
- Valmet AB
- Karl Lönngren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Device and method for treating fibres
- Patent number 12,006,627
- Issue date Jun 11, 2024
- Michael Jarolim
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refiner plate having inter-bar wear protrusions
- Patent number 11,982,053
- Issue date May 14, 2024
- ANDRITZ INC.
- Luc Gingras
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Apparatus and method for processing wood fibers
- Patent number 11,982,054
- Issue date May 14, 2024
- International Paper Company
- Dwight Edward Anderson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper filler composition
- Patent number 11,970,817
- Issue date Apr 30, 2024
- FIBERLEAN TECHNOLOGIES LIMITED
- John Claude Husband
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus and method for processing wood fibers
- Patent number 11,965,290
- Issue date Apr 23, 2024
- International Paper Company
- Dwight Edward Anderson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pressure screen and method for dilution for a pressure screen
- Patent number 11,926,961
- Issue date Mar 12, 2024
- ANDRITZ (China) Ltd.
- Alexander Gscheider
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing cellulose nanofibers
- Patent number 11,905,657
- Issue date Feb 20, 2024
- DAIO PAPER CORPORATION
- Junya Okawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Apparatus and method for processing wood fibers
- Patent number 11,905,658
- Issue date Feb 20, 2024
- International Paper Company
- Dwight Edward Anderson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refiner segment having bar weakening sections
- Patent number 11,905,659
- Issue date Feb 20, 2024
- Valmet AB
- Thommy Lindblom
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Deflaker with serrated tooth pattern
- Patent number 11,905,660
- Issue date Feb 20, 2024
- ANDRITZ INC.
- Luc Gingras
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Device for mechanically processing lignocellulose-containing fibrou...
- Patent number 11,898,310
- Issue date Feb 13, 2024
- VALMET TECHNOLOGIES OY
- Petteri Vuorio
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

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
Information Patent Application
METHOD FOR REDUCING STARCH CONTENT OF AN AQUEOUS PHASE REMOVED FROM...
- Publication number 20240328089
- Publication date Oct 3, 2024
- KEMIRA OYJ
- Jonni AHLGREN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Sulfonated Lignin-Derived Compounds And Uses Thereof
- Publication number 20240318382
- Publication date Sep 26, 2024
- CMBLU Energy AG
- Nastaran KRAWCZYK
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHODS FOR PRODUCING PULP AND PAPER PRODUCTS FROM PLANTS HAVING BA...
- Publication number 20240295074
- Publication date Sep 5, 2024
- GOLDCUP 33965 AB (UNC. HEJMAS AGRIFIBRE TECHNOLOGIES AB)
- Marek HEJDUK
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS
- Publication number 20240295076
- Publication date Sep 5, 2024
- International Paper Company
- Dwight Edward Anderson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER
- Publication number 20240296736
- Publication date Sep 5, 2024
- AIKAWA IRON WORKS CO., LTD.
- Makoto GOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REFINER PLATE TO PREVENT GROOVES PLUGGING
- Publication number 20240295075
- Publication date Sep 5, 2024
- Andritz Inc.
- Luc Gingras
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Refining Segment
- Publication number 20240263395
- Publication date Aug 8, 2024
- VALMET TECHNOLOGIES, INC.
- Ville Ruola
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS
- Publication number 20240247441
- Publication date Jul 25, 2024
- International Paper Company
- Dwight Edward Anderson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPER FILLER COMPOSITION
- Publication number 20240240400
- Publication date Jul 18, 2024
- FiberLean Technologies Limited
- John Claude Husband
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER
- Publication number 20240242605
- Publication date Jul 18, 2024
- AIKAWA IRON WORKS CO., LTD.
- Makoto GOTO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER DISC
- Publication number 20240229355
- Publication date Jul 11, 2024
- VALMET AB
- Thommy LINDBLOM
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
AN ACCEPT TANK MIXING ARRANGEMENT
- Publication number 20240229352
- Publication date Jul 11, 2024
- ANDRITZ OY
- Kimmo VANHALA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for Manufacturing Refining Segment and Refining Segment
- Publication number 20240150962
- Publication date May 9, 2024
- VALMET TECHNOLOGIES, INC.
- Olli Tuovinen
- 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

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...

Refiner segment

Pulper for circulating a fibrous stock suspension

Double-disc refiner

Device and method for treating fibres

Refiner plate having inter-bar wear protrusions

Apparatus and method for processing wood fibers

Paper filler composition

Apparatus and method for processing wood fibers

Pressure screen and method for dilution for a pressure screen

Method for producing cellulose nanofibers

Apparatus and method for processing wood fibers

Refiner segment having bar weakening sections

Deflaker with serrated tooth pattern

Device for mechanically processing lignocellulose-containing fibrou...

Patents Applicationslast 30 patents

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

METHOD FOR REDUCING STARCH CONTENT OF AN AQUEOUS PHASE REMOVED FROM...

Sulfonated Lignin-Derived Compounds And Uses Thereof

METHODS FOR PRODUCING PULP AND PAPER PRODUCTS FROM PLANTS HAVING BA...

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

REFINER

REFINER PLATE TO PREVENT GROOVES PLUGGING

Refining Segment

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

PAPER FILLER COMPOSITION

REFINER

REFINER DISC

AN ACCEPT TANK MIXING ARRANGEMENT

Method for Manufacturing Refining Segment and Refining Segment