ClassID:

126321

D21B1/32 - CPC Classification

Classification description:

Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam; Defibrating by other means of waste paper

Sub-classes:
Recent Application in this class:
#1
20260152902
2026-06-04

SYSTEM AND METHOD FOR HANDLING A RAGGER FORMED IN A PULPER PROCESS

#2
20250270759
2025-08-28

RAGGER SYSTEMS AND METHODS FOR REMOVING SOLID DEBRIS FROM PULPING PROCESSES

#3
20250171956
2025-05-29

METHOD AND DEVICE FOR WASTE PAPER PULPING

#4
20250109536
2025-04-03

INORGANIC FIBER MAT

#5
20240376674
2024-11-14

BINDER COMPOSITION AND METHOD COMPRISING MICROFIBRILLATED CELLULOSE AND RECYCLED CELLULOSIC MATERIALS

#6
20240328047
2024-10-03

Method of producing inorganic fiber mat and inorganic fiber mat

#7
20240240400
2024-07-18

PAPER FILLER COMPOSITION

#8
20240191430
2024-06-13

METHOD OF MAKING FIRE RETARDANT MATERIALS AND RELATED PRODUCTS

#9
20240175203
2024-05-30

MATERIAL STORAGE APPARATUS, METHOD OF CONTROLLING MATERIAL STORAGE APPARATUS, AND SHEET MANUFACTURING APPARATUS

#10
20240173683
2024-05-30

PAPER STOCK MODIFICATION DEVICE

#11
20240102240
2024-03-28

FIBROUS BODY PROCESSING APPARATUS

#12
20230383108
2023-11-30

PROCESS FOR PRODUCTION OF CELLULOSE PARTICLES

#13
20230068151
2023-03-02

Wet pulp material processing machine

#14
20230034767
2023-02-02

Defibrating apparatus and fiber body manufacturing apparatus

#15
20220412003
2022-12-29

Polymer coated paper recycling process and composition

#16
20220364305
2022-11-17

Paper filler composition

#17
20220259802
2022-08-18

RAGGER SYSTEMS AND METHODS FOR REMOVING SOLID DEBRIS FROM PULPING PROCESSES

#18
20220243394
2022-08-04

Method for recovering fiber from screening reject and fine sorting pre-processing device for use in method for recovering fiber

#19
20220106738
2022-04-07

RECYCLE BALE COMPRISING CELLULOSE ESTER

#20
20220018068
2022-01-20

Paper filler composition

#21
20210301463
2021-09-30

Fiber body manufacturing method and fiber body manufacturing apparatus

#22
20210131039
2021-05-06

BINDER COMPOSITION AND METHOD COMPRISING MICROFIBRILLATED CELLULOSE AND RECYCLED CELLULOSIC MATERIALS

#23
20200399826
2020-12-24

Apparatus and method for dispersing or refining of organic material, such as cellulose fiber and organic waste

#24
20200362513
2020-11-19

Process to recover a portion of post-recycling municipal solid waste

#25
20200308764
2020-10-01

Recycled pulp fiber manufacturing method

#26
20200299903
2020-09-24

Method for predicting or controlling microbial status of a paper or board making process

#27
20200217013
2020-07-09

Method for manufacturing recycled pulp from used sanitary products

#28
20200206668
2020-07-02

Swirling flow generation device and deposition device

#29
20200173104
2020-06-04

Method for manufacturing recycled pulp from used sanitary products

#30
20200173102
2020-06-04

Method for defibrating fiber body, defibrating device, sheet manufacturing method, and sheet manufacturing apparatus

#31
20200063362
2020-02-27

Recycle bale comprising cellulose ester

#32
20200030810
2020-01-30

Shredder and sheet manufacturing apparatus

#33
20200011010
2020-01-09

Measuring device, web processing device, fiber feedstock recycling device, and measuring method

#34
20190291303
2019-09-26

Method for recovering pulp fiber from used sanitary product and recycled pulp obtained thereby

#35
20190093284
2019-03-28

Defibrating device and sheet manufacturing apparatus

#36
20190048524
2019-02-14

Method for screening and a screening apparatus

#37
20190040576
2019-02-07

Apparatus and Method for Processing a Rope Formed in a Pulper

#38
20190022663
2019-01-24

ROTOR UNIT FOR PROCESSING RECYCLED MATERIAL

#39
20190017223
2019-01-17

Processing of recycled material

#40
20180347086
2018-12-06

SHEET MANUFACTURING APPARATUS

#41
20180195236
2018-07-12

Process to recover a portion of post-recycling municipal solid waste

#42
20180002865
2018-01-04

METHOD AND SYSTEM FOR RECYCLING PAPERS

#43
20170335513
2017-11-23

Integrated method and system for recycling waste material

#44
20170284021
2017-10-05

Method for recovering pulp fiber from used sanitary product and recycled pulp obtained thereby

#45
20170226693
2017-08-10

PROCESSOR, DEVICE COMPRISING A PROCESSOR, CYCLONE AND METHOD FOR TREATING A MATERIAL MIXTURE

#46
20170183816
2017-06-29

WASTE PAPER RECYCLING APPARATUS

#47
20170175333
2017-06-22

Method for preserving recycled fiber by using biocides in paper manufacturing and method for manufacturing paper using recycled fibers

#48
20170107667
2017-04-20

Method for manufacturing recycled pulp from used sanitary products

#49
20170073891
2017-03-16

Method for producing paper, and pitch removal agent

#50
20170037550
2017-02-09

Sheet manufacturing apparatus

#51
20160355336
2016-12-08

Method for the destruction of data carriers, collection vehicle and use of a pulper

#52
20160222585
2016-08-04

Device and method for processing composite materials containing fibers

#53
20160221214
2016-08-04

Sheet manufacturing apparatus

#54
20160083902
2016-03-24

Method for recycling baled waste material

#55
20160024716
2016-01-28

Device for preparing a substance

#56
20150299950
2015-10-22

Method for recycling waste material with reduced odor emission

#57
20150176204
2015-06-25

Sheet manufacturing apparatus

#58
20130340961
2013-12-26

Method of manufacturing paper based honeycomb core wallboard panel

#59
20120279672
2012-11-08

USED PAPER RECYCLING APPARATUS AND ITS CONSTITUENT DEVICES

#60
20120279671
2012-11-08

Used paper recycling apparatus and its constituent devices

#61
20120187226
2012-07-26

Method and apparatus for defibrillating cellulose fibers

#62
20120138250
2012-06-07

PULP MAKING DEVICE OF USED PAPER RECYCLING APPARATUS AND USED PAPER RECYCLING APPARATUS

#63
20120024490
2012-02-02

PULP FEEDER FOR USED PAPER RECYCLING APPARATUS

#64
20120012269
2012-01-19

RECYCLED PAPER SMOOTHING DEVICE FOR USED PAPER RECYCLING APPARATUS

#65
20110305878
2011-12-15

NONWOVEN PANEL AND METHOD OF CONSTRUCTION THEREOF

#66
20110162810
2011-07-07

METHOD AND DEVICE FOR PROCESSING WASTE PAPER

#67
20110108220
2011-05-12

PULP CONCENTRATION ADJUSTING METHOD OF USED PAPER RECYCLING APPARATUS, PULP CONCENTRATION ADJUSTING DEVICE OF USED PAPER RECYCLING APPARATUS, AND USED PAPER RECYCLING APPARATUS

#68
20110094696
2011-04-28

Apparatus for impregnating fibrous material with a liquid

#69
20110056635
2011-03-10

Fiberboards, uses and methods of preparation thereof

#70
20110030907
2011-02-10

Method of producing recycled paper pulp from waste printed paper as raw material

#71
20110030735
2011-02-10

CLEANING METHOD OF USED PAPER RECYCLING APPARATUS, CLEANING SYSTEM, AND USED PAPER RECYCLING APPARATUS

#72
20100300636
2010-12-02

BELT MEANDERING PREVENTIVE DEVICE OF USED PAPER RECYCLING APPARATUS, PAPER MAKING DEVICE, AND USED PAPER RECYCLING APPARATUS

#73
20100276101
2010-11-04

PAPER MAKING DEVICE OF USED PAPER RECYCLING APPARATUS AND USED PAPER RECYCLING APPARATUS

#74
20100276100
2010-11-04

DEWATERING DEVICE OF USED PAPER RECYCLING APPARATUS AND USED PAPER RECYCLING APPARATUS

#75
20100206500
2010-08-19

Apparatus and method for manufacturing fibre mass suspension

#76
20100200181
2010-08-12

PULP MANUFACTURING METHOD OF USED PAPER RECYCLING APPARATUS, PULP MANUFACTURING DEVICE OF USED PAPER RECYCLING APPARATUS, AND USED PAPER RECYCLING APPARATUS

#77
20100163655
2010-07-01

BEATING METHOD OF USED PAPER PROCESSING APPARATUS, USED PAPER PROCESSING METHOD, BEATING DEVICE OF USED PAPER PROCESSING APPARATUS, AND USED PAPER PROCESSING APPARATUS

#78
20090301674
2009-12-10

METHOD AND MEASURING DEVICE FOR MEASURING RECYCLED FIBRE PULP

#79
20090281302
2009-11-12

Method of recycling fibers from sewage sludge and means thereof

#80
20090272828
2009-11-05

Pulper for comminuting and suspending paper stock and its use

#81
20090250535
2009-10-08

Waste treatment vessel with two doors and environmental separation between doors

#82
20090178774
2009-07-16

Office equipment for paper recycling

#83
20080314543
2008-12-25

Paper machine for used paper recycling apparatus

#84
20080302491
2008-12-11

Method for preparing paper pulp from recycled paper containing contaminants

#85
20080210400
2008-09-04

Pulp feeder for used paper recycling apparatus

#86
20080210399
2008-09-04

Paper machine for used paper recycling apparatus

#87
20080179031
2008-07-31

PAPER MACHINE FOR USED PAPER RECYCLING APPARATUS

#88
20080179029
2008-07-31

CLEANING METHOD AND SYSTEM FOR USED PAPER RECYCLING APPARATUS

#89
20080173416
2008-07-24

PULP CONCENTRATION ADJUSTING METHOD AND DEVICE FOR USED PAPER RECYCLING APPARATUS

#90
20080073044
2008-03-27

APPARATUS FOR LIQUID-BASED FIBER SEPARATION

#91
20080044636
2008-02-21

FIBERBOARDS, USES AND METHODS OF PREPARATION THEREOF

#92
20070267163
2007-11-22

Used paper recycling apparatus and its constitutent devices

#93
20070199905
2007-08-30

METHOD FOR SLUSHING AND CLEANING PAPER RAW MATERIALS CONTAINING CONTAMINANTS

#94
20070137805
2007-06-21

Wet pulping system and method for producing cellulosic insulation with low ash content

#95
20070113994
2007-05-24

Apparatus for use in recycling paper material

#96
20070062663
2007-03-22

Used paper recycling apparatus and its constituent devices

#97
20070017649
2007-01-25

Used paper processing apparatus

#98
20070006987
2007-01-11

Office equipment for paper recycling

#99
20060267228
2006-11-30

Reuse process of plastic material and paper rejected in recycling and its resultant product

#100
20060254732
2006-11-16

System and method for removing foreign particles from an aqueous fibrous suspension

#101
20060254731
2006-11-16

Recycling of lignocellulose based board materials

#102
20060163393
2006-07-27

Apparatus and method for automatically defibering and extracting kraft pulp from old corrugated cardboard

#103
20060118667
2006-06-08

Waste paper fibrous material utilization system and waste paper disintegration apparatus

#104
20060102301
2006-05-18

Process for the hot dispersing of a paper fiber stock

#105
20060011314
2006-01-19

Process for pulping waste paper containing impurities

#106
20050194482
2005-09-08

Grooved pyramid disperger plate

#107
20050178723
2005-08-18

Plant matter packaging method

#108
20050178722
2005-08-18

Integrated system and method for purifying water, producing pulp and paper, and improving soil quality

#109
20050145355
2005-07-07

Process for making a fiber product from waste fiber

#110
20050126731
2005-06-16

Economical and environmentally sustainable method of recycling wastepaper

#111
20050121371
2005-06-09

Apparatus for separating fibers from reject material

#112
20050103453
2005-05-19

Method for defibring recycled fiber material in a drum pulper, and a drum pulper

#113
20050039868
2005-02-24

Recycling of latex-containing broke

#114
16411403
2019-09-24

Pneumatic core cleaning system