ClassID:

126327

D21B1/345 - 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; Kneading or mixing; Pulpers Pulpers

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
20250198082
2025-06-19

PULPER FOR PRODUCING A STOCK SUSPENSION FROM SOLID PARTICLES AND A FLOWABLE MEDIUM

#3
20250171956
2025-05-29

METHOD AND DEVICE FOR WASTE PAPER PULPING

#4
20240392501
2024-11-28

Deflaking Element for Pulper

#5
20240376674
2024-11-14

BINDER COMPOSITION AND METHOD COMPRISING MICROFIBRILLATED CELLULOSE AND RECYCLED CELLULOSIC MATERIALS

#6
20240011224
2024-01-11

PULP MOLD COMPRISING SEAWEED, AND PRODUCTION METHOD FOR SAME

#7
20220324625
2022-10-13

SUSTAINABLE BIODEGRADABLE PROTECTIVE PACKAGING SYSTEMS PRODUCED FROM AGRICULTURAL PRODUCTS

#8
20220243394
2022-08-04

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

#9
20220106738
2022-04-07

RECYCLE BALE COMPRISING CELLULOSE ESTER

#10
20210131039
2021-05-06

BINDER COMPOSITION AND METHOD COMPRISING MICROFIBRILLATED CELLULOSE AND RECYCLED CELLULOSIC MATERIALS

#11
20210017704
2021-01-21

High consistency re-pulping method, apparatus and absorbent products incorporating recycled fiber

#12
20200362513
2020-11-19

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

#13
20200346261
2020-11-05

Method and system for recovering pulp fibers from used absorbent articles

#14
20200299903
2020-09-24

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

#15
20200206668
2020-07-02

Swirling flow generation device and deposition device

#16
20200190736
2020-06-18

Method for separating fibers

#17
20200063363
2020-02-27

Bale of virgin cellulose and cellulose ester

#18
20200063362
2020-02-27

Recycle bale comprising cellulose ester

#19
20190040576
2019-02-07

Apparatus and Method for Processing a Rope Formed in a Pulper

#20
20190022663
2019-01-24

ROTOR UNIT FOR PROCESSING RECYCLED MATERIAL

#21
20180345234
2018-12-06

High-concentration mixer for producing a cellulose suspension having a high cellulose concentration

#22
20180266050
2018-09-20

Methods of staging, processing, and transporting biomasses

#23
20180195236
2018-07-12

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

#24
20160355336
2016-12-08

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

#25
20160083902
2016-03-24

Method for recycling baled waste material

#26
20160040357
2016-02-11

PAPERMAKING STRAINER, FOREIGN MATERIAL SEPARATION APPARATUS FOR PAPERMAKING, AND MANUFACTURING METHOD OF PAPERMAKING STRAINER

#27
20160024716
2016-01-28

Device for preparing a substance

#28
20150034744
2015-02-05

PROCESSOR WITH A CLOSED VESSEL THAT CAN BE PRESSURIZED

#29
20140284007
2014-09-25

Treatment, such as cutting, soaking and/or washing, of organic material

#30
20140151473
2014-06-05

PULPER WITH A SHAFT AND METHOD FOR PROCESSING COMPOSITE MATERIALS

#31
20130221140
2013-08-29

METHOD FOR PROCESSING BIOMASS

#32
20130118697
2013-05-16

Process for recycling waste paper, product obtained therefrom and its uses

#33
20130099035
2013-04-25

Pulper

#34
20120119007
2012-05-17

METHOD FOR COATING A WEAR PART, USE OF A WEAR PART COATED ACCORDING TO THE METHOD, WEAR PART AND REFINER

#35
20120067536
2012-03-22

Pulper treating fiber mass

#36
20120037325
2012-02-16

Treatment, such as cutting, soaking and/or washing, of organic material

#37
20120031816
2012-02-09

Screen

#38
20110024534
2011-02-03

Pulper with a torque motor

#39
20100206500
2010-08-19

Apparatus and method for manufacturing fibre mass suspension

#40
20100065670
2010-03-18

Extraction bedplate with laser or water jet cut apertures

#41
20090272828
2009-11-05

Pulper for comminuting and suspending paper stock and its use

#42
20080054108
2008-03-06

METHOD AND APPARATUS FOR PULPING UNIT

#43
20080053874
2008-03-06

Pulper with screen plate having maximum defibering edges

#44
20070245907
2007-10-25

Extraction bedplate with laser or water jet cut apertures

#45
20070199905
2007-08-30

METHOD FOR SLUSHING AND CLEANING PAPER RAW MATERIALS CONTAINING CONTAMINANTS

#46
20070114311
2007-05-24

Stock re-pulper

#47
20060283992
2006-12-21

Waste pulping system

#48
20060273208
2006-12-07

Pulper for pulverizing and suspending paper stock

#49
20060163393
2006-07-27

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

#50
20060118667
2006-06-08

Waste paper fibrous material utilization system and waste paper disintegration apparatus

#51
20060113410
2006-06-01

Waste pulping system

#52
20050039615
2005-02-24

Extraction bedplate with laser or water jet cut apertures