ClassID:

126325

D21B1/34 - 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

Sub-classes:
Recent Application in this class:
#1
20250270759
2025-08-28

RAGGER SYSTEMS AND METHODS FOR REMOVING SOLID DEBRIS FROM PULPING PROCESSES

#2
20250075428
2025-03-06

Methods for Liberating Trichome Fibers from Portions of a Host Plant

#3
20240368353
2024-11-07

LIGNIN REMOVAL FROM LIGNOCELLULOSIC WASTE USING REJECTED BRINE SOLUTION

#4
20240173683
2024-05-30

PAPER STOCK MODIFICATION DEVICE

#5
20230092526
2023-03-23

MOBILE DISPERSION SYSTEM AND METHODS FOR THE RESUSPENSION OF PARTIALLY-DRIED MICROFIBRILLATED CELLULOSE

#6
20230068151
2023-03-02

Wet pulp material processing machine

#7
20220259802
2022-08-18

RAGGER SYSTEMS AND METHODS FOR REMOVING SOLID DEBRIS FROM PULPING PROCESSES

#8
20220195667
2022-06-23

Method and apparatus for treating lignocellulosic material

#9
20210348335
2021-11-11

Methods for Liberating Trichome Fibers from Portions of a Host Plant

#10
20210285155
2021-09-16

METHODS OF MAKING SPECIALIZED CELLULOSE AND OTHER PRODUCTS FROM BIOMASS

#11
20210238800
2021-08-05

METHOD FOR PREPARING CHITOSAN AND DERIVATIVE NANOFIBER THEREOF BY MECHANICAL MEANS

#12
20200398236
2020-12-24

Stirring apparatus

#13
20200359852
2020-11-19

Methods for liberating trichome fibers from portions of a host plant

#14
20200109218
2020-04-09

Method for producing cellulose nanofiber and apparatus for producing cellulose nanofiber

#15
20190017223
2019-01-17

Processing of recycled material

#16
20170226693
2017-08-10

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

#17
20170175332
2017-06-22

Methods for liberating trichome fibers form portions of a host plant

#18
20160083902
2016-03-24

Method for recycling baled waste material

#19
20150252528
2015-09-10

Dispersion machine for removing impurities from fiber

#20
20140284007
2014-09-25

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

#21
20130192776
2013-08-01

Apparatus and method for the processing of cellulose fibres

#22
20120037325
2012-02-16

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

#23
20080078853
2008-04-03

Kneader

#24
20050194110
2005-09-08

Methods for reducing fluorescence in pulp and paper