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CPC
D21D1/306

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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

D21D1/306Discs

Industries

Patents Grantslast 30 patents

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
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
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
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...
Information Patent Grant
Refiner plate having grooves imparting rotational flow to feed mate...
- Patent number 11,643,779
- Issue date May 9, 2023
- ANDRITZ INC.
- Luc Gingras
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Flinger apparatus for a counter-rotating refiner
- Patent number 11,628,446
- Issue date Apr 18, 2023
- ANDRITZ INC.
- Luc Gingras
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Refining plate provided with refining bars having edge creating bar...
- Patent number 11,566,374
- Issue date Jan 31, 2023
- Valmet AB
- Thommy Lindblom
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Refiner segment
- Patent number 11,535,984
- Issue date Dec 27, 2022
- Valmet AB
- Thommy Lindblom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Steam evacuation in a pulp or fiber refiner
- Patent number 11,512,429
- Issue date Nov 29, 2022
- Valmet AB
- Thommy Lindblom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Set for the mechanical processing, in particular grinding of suspen...
- Patent number 11,453,977
- Issue date Sep 27, 2022
- Andritz Fiedler GmbH
- Christoph Tichy
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Method for designing refiner plates with three-stage radial curved...
- Patent number 11,446,673
- Issue date Sep 20, 2022
- SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Jixian Dong
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Steam evacuation in a pulp or fiber refiner
- Patent number 11,440,017
- Issue date Sep 13, 2022
- Valmet AB
- Karl Lönngren
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Apparatus and method for processing wood fibers
- Patent number 11,421,382
- Issue date Aug 23, 2022
- International Paper Company
- Dwight Edward Anderson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Disperser plates with intermeshing teeth and outer refining section
- Patent number 11,174,592
- Issue date Nov 16, 2021
- ANDRITZ INC.
- Luc Gingras
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Refiner plate segments with anti-lipping feature
- Patent number 11,162,220
- Issue date Nov 2, 2021
- ANDRITZ INC.
- Arvind M. Singhal
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

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
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
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
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
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
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
DISPERSER PLATES WITH INTERMESHING TEETH AND OUTER REFINING SECTION
- Publication number 20220034034
- Publication date Feb 3, 2022
- Andritz Inc.
- Luc GINGRAS
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER PLATE HAVING INTER-BAR WEAR PROTRUSIONS
- Publication number 20220034035
- Publication date Feb 3, 2022
- Andritz Inc.
- Luc Gingras
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER PLATE SEGMENT
- Publication number 20210381164
- Publication date Dec 9, 2021
- VOITH PATENT GmbH
- Martin Schmid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS TO PRODUCE MICROFIBRILLATED CELLULOSE BY IMPACTS
- Publication number 20210348332
- Publication date Nov 11, 2021
- Suzano S.A.
- Estevão Frigini Mai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS
- Publication number 20210262166
- Publication date Aug 26, 2021
- International Paper Company
- Dwight Edward Anderson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER SEGMENT WITH VARYING DEPTH PROFILE
- Publication number 20210262167
- Publication date Aug 26, 2021
- VALMET AB
- Thommy Lindblom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BLADE FOR A REFINER
- Publication number 20210254282
- Publication date Aug 19, 2021
- VALMET AB
- Thommy LINDBLOM
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
CENTER RING PROVIDED WITH WINGS
- Publication number 20210246610
- Publication date Aug 12, 2021
- VALMET AB
- Thommy LINDBLOM
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER SEGMENT
- Publication number 20210222364
- Publication date Jul 22, 2021
- VALMET AB
- Åke OLSSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER PLATE HAVING GROOVES IMPARTING ROTATIONAL FLOW TO FEED MATE...
- Publication number 20210180253
- Publication date Jun 17, 2021
- Andritz Inc.
- Luc GINGRAS
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER FOR REFINING LIGNOCELLULOSIC MATERIAL AND REFINING SEGMENTS...
- Publication number 20210146371
- Publication date May 20, 2021
- VALMET AB
- Christer HEDLUND
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FLINGER APPARATUS FOR A COUNTER-ROTATING REFINER
- Publication number 20210086189
- Publication date Mar 25, 2021
- Andritz Inc.
- Luc GINGRAS
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER SEGMENT HAVING BAR WEAKENING SECTIONS
- Publication number 20210040689
- Publication date Feb 11, 2021
- VALMET AB
- Thommy Lindblom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REFINER SEGMENT
- Publication number 20210017706
- Publication date Jan 21, 2021
- VALMET AB
- Thommy Lindblom
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Refiner plate segment

Process to produce microfibrillated cellulose by impacts

Refiner segment

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

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

Refiner plate having grooves imparting rotational flow to feed mate...

Flinger apparatus for a counter-rotating refiner

Refining plate provided with refining bars having edge creating bar...

Refiner segment

Steam evacuation in a pulp or fiber refiner

Set for the mechanical processing, in particular grinding of suspen...

Method for designing refiner plates with three-stage radial curved...

Steam evacuation in a pulp or fiber refiner

Apparatus and method for processing wood fibers

Disperser plates with intermeshing teeth and outer refining section

Refiner plate segments with anti-lipping feature

Patents Applicationslast 30 patents

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

REFINER DISC

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

REFINER SEGMENT

METHOD FOR PRODUCING A REFINER DISC SEGMENT

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

Device for Mechanically Processing Lignocellulose-Containing Fibrou...

EXPERIMENTAL SYSTEM FOR STUDYING REFINING MECHANISM AND CHARACTERIS...

DISPERSER PLATES WITH INTERMESHING TEETH AND OUTER REFINING SECTION

REFINER PLATE HAVING INTER-BAR WEAR PROTRUSIONS

REFINER PLATE SEGMENT

PROCESS TO PRODUCE MICROFIBRILLATED CELLULOSE BY IMPACTS

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

REFINER SEGMENT WITH VARYING DEPTH PROFILE

BLADE FOR A REFINER

CENTER RING PROVIDED WITH WINGS

REFINER SEGMENT

REFINER PLATE HAVING GROOVES IMPARTING ROTATIONAL FLOW TO FEED MATE...

REFINER FOR REFINING LIGNOCELLULOSIC MATERIAL AND REFINING SEGMENTS...

FLINGER APPARATUS FOR A COUNTER-ROTATING REFINER

REFINER SEGMENT HAVING BAR WEAKENING SECTIONS

REFINER SEGMENT