Disc mills

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CPC
D21D1/30

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Parent Industries

DTEXTILES PAPER D21Papermaking D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE D21D1/00Methods of beating or refining Beaters of the Hollander type

Current Industry

D21D1/30Disc mills

Industries

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Patents Grantslast 30 patents

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
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
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
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
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
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
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
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
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
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...
Information Patent Grant
Refiner segment with varying depth profile
- Patent number 11,866,883
- Issue date Jan 9, 2024
- Valmet AB
- Thommy Lindblom
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Refiner segment
- Patent number 11,846,069
- Issue date Dec 19, 2023
- Valmet AB
- Åke Olsson
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Method of transforming high consistency pulp fibers into pre-disper...
- Patent number 11,834,785
- Issue date Dec 5, 2023
- Fpinnovations
- Makhlouf Laleg
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refiner plate segments having feeding grooves
- Patent number 11,819,858
- Issue date Nov 21, 2023
- ANDRITZ INC.
- Arvind M. Singhal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Blade for a refiner
- Patent number 11,795,616
- Issue date Oct 24, 2023
- Valmet AB
- Thommy Lindblom
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Blade element
- Patent number 11,732,587
- Issue date Aug 22, 2023
- VALMET TECHNOLOGIES OY
- Håkan Sjöström
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refiner disc and hub assembly
- Patent number 11,707,742
- Issue date Jul 25, 2023
- VALMET TECHNOLOGIES OY
- Greg Sleeper
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refiner for refining lignocellulosic material and refining segments...
- Patent number 11,701,665
- Issue date Jul 18, 2023
- Valmet AB
- Christer Hedlund
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Center ring provided with wings
- Patent number 11,674,265
- Issue date Jun 13, 2023
- Valmet AB
- Thommy Lindblom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing a refiner disc segment
- Patent number 11,660,661
- Issue date May 30, 2023
- Valmet AB
- Christer Hedlund
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Disperser plates with intermeshing teeth and outer refining section
- Patent number 11,643,778
- Issue date May 9, 2023
- ANDRITZ INC.
- Luc Gingras
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

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
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
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
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
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
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
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
REFINER DISC
- Publication number 20240229355
- Publication date Jul 11, 2024
- VALMET AB
- Thommy LINDBLOM
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Accessory for disc refiner
- Publication number 20240068161
- Publication date Feb 29, 2024
- VALMET AB
- Robert SHORT
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER FILLING PIECE HAVING VARIABLY COATED BARS
- Publication number 20230407563
- Publication date Dec 21, 2023
- AIKAWA FIBER TECHNOLOGIES INC.
- Jens O. Heymer
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Blade Segment for Refiner
- Publication number 20230243098
- Publication date Aug 3, 2023
- VALMET TECHNOLOGIES OY
- Marko Loijas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS
- Publication number 20230228034
- Publication date Jul 20, 2023
- International Paper Company
- Dwight Edward Anderson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Blade Segment for Refiner
- Publication number 20230220624
- Publication date Jul 13, 2023
- VALMET TECHNOLOGIES OY
- Marko Loijas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Blade Element for Refiner
- Publication number 20230183921
- Publication date Jun 15, 2023
- VALMET TECHNOLOGIES OY
- Marko Loijas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS TO PRODUCE MICROFIBRILLATED/NANOFIBRILLATED CELLULOSE BY IM...
- Publication number 20230175203
- Publication date Jun 8, 2023
- SUZANO S.A.
- Estevão Frigini MAI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DEFLAKER WITH SERRATED TOOTH PATTERN
- Publication number 20230167605
- Publication date Jun 1, 2023
- Andritz Inc.
- Luc Gingras
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
Apparatus for Grinding a Fibrous Material Suspension
- Publication number 20230047528
- Publication date Feb 16, 2023
- Andritz AG
- Thomas Reisinger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER SEGMENT
- Publication number 20220307199
- Publication date Sep 29, 2022
- VALMET AB
- Thommy LINDBLOM
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING A REFINER DISC SEGMENT
- Publication number 20220274159
- Publication date Sep 1, 2022
- VALMET AB
- Christer HEDLUND
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Method for preparing unbleached biomechanical pulp by hot steam in...
- Publication number 20220205176
- Publication date Jun 30, 2022
- QILU UNIVERSITY OF TECHNOLOGY
- Zhongjian TIAN
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
DOUBLE-DISC REFINER
- Publication number 20220186437
- Publication date Jun 16, 2022
- VALMET AB
- Karl LÖNNGREN
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
SYSTEM AND PROCESS FOR REFINING LIGNOCELLULOSIC BIOMASS MATERIAL
- Publication number 20220162798
- Publication date May 26, 2022
- VALMET AB
- Per ERIKSSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Device for Mechanically Processing Lignocellulose-Containing Fibrou...
- Publication number 20220145537
- Publication date May 12, 2022
- VALMET TECHNOLOGIES OY
- Petteri Vuorio
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
METHOD FOR CONTROLLING A DEVICE FOR TREATING HIGH-CONSISTENCY PULP
- Publication number 20220098790
- Publication date Mar 31, 2022
- VOITH PATENT GmbH
- Markus Nussbaumer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
EXPERIMENTAL SYSTEM FOR STUDYING REFINING MECHANISM AND CHARACTERIS...
- Publication number 20220098791
- Publication date Mar 31, 2022
- SHAANXI UNIVERSITY OF SCIENCE & TECHNOLOGY
- Jixian DONG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Pulping Methods, Methods for Manufacturing Paperboard, and Paperboa...
- Publication number 20220074139
- Publication date Mar 10, 2022
- WestRock MWV, LLC
- Fritz G. PAULSEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Blade segment for refiner

Colloid mill

Refiner

Apparatus for grinding a fibrous material suspension

Refiner plate segment

Process to produce microfibrillated cellulose by impacts

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

Accessory for disc refiner

Method for controlling a device for treating high-consistency pulp

Refiner segment

Double-disc refiner

Device and method for treating fibres

Refiner plate having inter-bar wear protrusions

Apparatus and method for processing wood fibers

Apparatus and method for processing wood fibers

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...

Refiner segment with varying depth profile

Refiner segment

Method of transforming high consistency pulp fibers into pre-disper...

Refiner plate segments having feeding grooves

Blade for a refiner

Blade element

Refiner disc and hub assembly

Refiner for refining lignocellulosic material and refining segments...

Center ring provided with wings

Method for producing a refiner disc segment

Disperser plates with intermeshing teeth and outer refining section

Patents Applicationslast 30 patents

Refining Segment for Refiner

REFINER FILLING PIECE HAVING MULTIPLE COATINGS ON BARS

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...

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

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

HEMP PAPER PACKAGING MATERIAL FOR FOODSTUFF

ACCESSORY FOR DISC REFINER

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

REFINER DISC

Accessory for disc refiner

REFINER FILLING PIECE HAVING VARIABLY COATED BARS

Blade Segment for Refiner

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

Blade Segment for Refiner

Blade Element for Refiner

PROCESS TO PRODUCE MICROFIBRILLATED/NANOFIBRILLATED CELLULOSE BY IM...

DEFLAKER WITH SERRATED TOOTH PATTERN

Apparatus for Grinding a Fibrous Material Suspension

REFINER SEGMENT

METHOD FOR PRODUCING A REFINER DISC SEGMENT

Method for preparing unbleached biomechanical pulp by hot steam in...

DOUBLE-DISC REFINER

SYSTEM AND PROCESS FOR REFINING LIGNOCELLULOSIC BIOMASS MATERIAL

Device for Mechanically Processing Lignocellulose-Containing Fibrou...

METHOD FOR CONTROLLING A DEVICE FOR TREATING HIGH-CONSISTENCY PULP

EXPERIMENTAL SYSTEM FOR STUDYING REFINING MECHANISM AND CHARACTERIS...

Pulping Methods, Methods for Manufacturing Paperboard, and Paperboa...