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D21B1/023
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TEXTILES PAPER
D21
Papermaking
D21B
FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
D21B1/00
Fibrous raw materials or their mechanical treatment
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D21B1/023
Cleaning wood chips or other raw materials
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Patents Grants
last 30 patents
Information
Patent Grant
Juncao pulp for spinning and preparation method and use thereof
Patent number
12,071,725
Issue date
Aug 27, 2024
XINXIANG CHEMICAL FIBRE CO., LTD.
Yueting Xie
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Methods of staging, processing, and transporting biomasses
Patent number
11,352,745
Issue date
Jun 7, 2022
MATERA, LLC
Timothy J. Richter
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Systems and methods for use in processing of forest residue
Patent number
10,675,661
Issue date
Jun 9, 2020
BIOFUELS TECHNOLOGY LLC
Andrew Laitt
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Methods of compressing lignocellulosic feedstock into discrete unit...
Patent number
10,344,309
Issue date
Jul 9, 2019
POET Research, Inc.
Steven G. Redford
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process and apparatus for biomass cleaning in lignocellulosic biore...
Patent number
10,316,465
Issue date
Jun 11, 2019
GranBio Intellectual Property Holdings, LLC
Jean-Pierre Monclin
C13 - SUGAR INDUSTRY
Information
Patent Grant
Device for seperating cardboard components
Patent number
8,708,156
Issue date
Apr 29, 2014
Grumbach GmbH & Co., KG
Udo Grumbach
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Classification of splinters and wood chips
Patent number
7,523,831
Issue date
Apr 28, 2009
Manfred Ottow
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Birch bark processing and the isolation of natural products from bi...
Patent number
7,264,184
Issue date
Sep 4, 2007
Regents of the University of Minnesota
Pavel A. Krasutsky
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus and method to separate elements or materials of different...
Patent number
6,986,425
Issue date
Jan 17, 2006
Pal Srl
Romeo Paladin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Chip screening method and plant
Patent number
6,907,995
Issue date
Jun 21, 2005
Valmet Woodhandling Oy
Hannu Tähkänen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Roller screen and method for sorting materials by size
Patent number
6,834,764
Issue date
Dec 28, 2004
Acrowood Corporation
Kendall Ray Kreft
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Installation for cleaning wood-containing material
Patent number
6,814,240
Issue date
Nov 9, 2004
B. Maier Zerkleinerungstechnik GmbH
Robert Loth
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Birch bark processing and the isolation of natural products from bi...
Patent number
6,815,553
Issue date
Nov 9, 2004
Regents of The University of Minnesota
Pavel A. Krasutsky
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Isolation of natural products from birch bark
Patent number
6,768,016
Issue date
Jul 27, 2004
Regents of The University of Minnesota
Pavel A. Krasutsky
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Birch bark processing and the isolation of natural products from bi...
Patent number
6,634,575
Issue date
Oct 21, 2003
Regents of The University of Minnesota
Pavel A. Krasutsky
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Birch bark processing and the isolation of natural products from bi...
Patent number
6,392,070
Issue date
May 21, 2002
Regents of The University of Minnesota
Pavel A. Krasutsky
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Feed distribution for low velocity air density separation
Patent number
6,283,300
Issue date
Sep 4, 2001
Joseph B. Bielagus
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Method and equipment for manufacturing predetermined low bark conte...
Patent number
6,260,777
Issue date
Jul 17, 2001
Valtion teknillinen Tutkimuskeskus
Veli Seppänen
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Roller device to separate chips and particles of wood or material s...
Patent number
6,234,322
Issue date
May 22, 2001
PAL Srl
Romeo Paladin
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Method of and apparatus for treating wood chips
Patent number
6,209,812
Issue date
Apr 3, 2001
BMH Wood Technology Oy
Mikko Jokinen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Perforated drum in a stock preparation system for screening foreign...
Patent number
6,095,442
Issue date
Aug 1, 2000
Voith Sulzer Paper Technology North America, Inc.
Klaus Doelle
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Modular wood particle screen
Patent number
6,062,394
Issue date
May 16, 2000
Beloit Technologies, Inc.
Joseph B. Bielagus
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Replaceable shear edge for a star-type feeder
Patent number
6,032,884
Issue date
Mar 7, 2000
Ahlstrom Services Inc.
Jonathon P. Bowling
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Spacer for bar screen
Patent number
6,006,922
Issue date
Dec 28, 1999
Beloit Technologies, Inc.
Joseph B. Bielagus
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Bar screen system with attached screens
Patent number
5,950,840
Issue date
Sep 14, 1999
Beloit Technologies, Inc.
Eduard J. Thoma
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Method of washing sawdust and arrangement for carrying out the method
Patent number
5,917,166
Issue date
Jun 29, 1999
Sunds Defibrator Industries AB
Jan Henriksson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for removing impurities from pulverized or chi...
Patent number
5,890,600
Issue date
Apr 6, 1999
Sunds Defibrator Loviisa Oy
Aarne Laatikainen
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Overhead drive bar screen
Patent number
5,868,259
Issue date
Feb 9, 1999
Beloit Technologies, Inc.
Joseph B. Bielagus
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Debarking wood without introducing contaminants into the wood
Patent number
5,868,186
Issue date
Feb 9, 1999
Westvaco Corporation
David Dwight Mulligan
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Protection system for a wood chip destructuring device
Patent number
5,865,382
Issue date
Feb 2, 1999
Beloit Technologies, Inc.
Joseph B. Bielagus
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
PROCESS OF USING NON-WOOD FIBERS TO CREATE PAPER PULP
Publication number
20240263393
Publication date
Aug 8, 2024
GAIA IP Holdings LLC
Mark Majors
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PULP FOR JUNCAO SPINNING AND PREPARATION METHOD AND USE THEREOF
Publication number
20240084507
Publication date
Mar 14, 2024
XINXIANG CHEMICAL FIBRE CO., LTD.
Yijie XIE
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Application
METHOD AND PROCESSING SYSTEM FOR REDUCING VOLATILE ORGANIC COMPOUND...
Publication number
20230061371
Publication date
Mar 2, 2023
FIBERBOARD GMBH
Andre HENNIG
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHODS FOR PROCESSING FIBROUS CELLULOSIC MATERIAL, PRODUCTS AND US...
Publication number
20220010489
Publication date
Jan 13, 2022
The Court of Edinburgh Napier University
Dominic O'Rourke
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHODS OF STAGING, PROCESSING, AND TRANSPORTING BIOMASSES
Publication number
20180266050
Publication date
Sep 20, 2018
MATERA, LLC
Timothy J. Richter
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Wrapper For Enclosing Smokable Substances
Publication number
20170112188
Publication date
Apr 27, 2017
John Ostrander
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
METHODS OF COMPRESSING LIGNOCELLULOSIC FEEDSTOCK INTO DISCRETE UNIT...
Publication number
20160289720
Publication date
Oct 6, 2016
POET RESEARCH, INC.
Steven G. Redford
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
PROCESS AND APPARATUS FOR BIOMASS CLEANING IN LIGNOCELLULOSIC BIORE...
Publication number
20160138218
Publication date
May 19, 2016
API Intellectual Property Holdings, LLC
Jean-Pierre MONCLIN
C13 - SUGAR INDUSTRY
Information
Patent Application
DEVICE FOR SEPERATING CARDBOARD COMPONENTS
Publication number
20130140221
Publication date
Jun 6, 2013
Grumbach GmbH & Co. KG
Udo Grumbach
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
Classification of splinters and wood chips
Publication number
20070095728
Publication date
May 3, 2007
Manfred Ottow
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
Recovery of pin chips from a chip washing reject stream
Publication number
20070045157
Publication date
Mar 1, 2007
Wieslaw C. Kajzer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Birch bark processing and the isolation of natural products from bi...
Publication number
20050158414
Publication date
Jul 21, 2005
Regents of the University of Minnesota
Pavel A. Krasutsky
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Apparatus and method to separate elements or materials of different...
Publication number
20040069693
Publication date
Apr 15, 2004
Romeo Paladin
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
Roller screen and method for sorting materials by size
Publication number
20040035764
Publication date
Feb 26, 2004
Acrowood Corporation
Kendall Ray Kreft
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
Isolation of natural products from birch bark
Publication number
20030109727
Publication date
Jun 12, 2003
Pavel A. Krasutsky
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Installation for cleaning wood-containing material
Publication number
20030056306
Publication date
Mar 27, 2003
B. Maier Zerkleinerungstechnik GmbH
Robert Loth
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Method and apparatus for sorting of chips
Publication number
20020175113
Publication date
Nov 28, 2002
Hannu Tahkanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Birch bark processing and the isolation of natural products from bi...
Publication number
20020070167
Publication date
Jun 13, 2002
Regents of the University of Minnesota
Pavel A. Krasutsky
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Birch bark processing and the isolation of natural products from bi...
Publication number
20020043577
Publication date
Apr 18, 2002
Regents of the University of Minnesota
Pavel A. Krasutsky
C07 - ORGANIC CHEMISTRY