ClassID:

126326

D21B1/342 - 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 Mixing apparatus

Recent Application in this class:
#1
20260022516
2026-01-22

SHEET PRODUCTION APPARATUS AND SHEET PRODUCTION METHOD OF SHEET PRODUCTION APPARATUS

#2
20250073655
2025-03-06

STIRRING DEVICE, FIBER STRUCTURE MANUFACTURING APPARATUS, AND METHOD OF PRODUCING FIBER STRUCTURE

#3
20240229352
2024-07-11

AN ACCEPT TANK MIXING ARRANGEMENT

#4
20210002823
2021-01-07

Device and process for the production of nanocellulose

#5
20200407913
2020-12-31

Method of and an arrangement for adding a chemical to an approach flow system of a fiber web machine

#6
20150152597
2015-06-04

Highly absorbent and retentive fiber material

#7
20140369156
2014-12-18

Mixing unit for use in a mixing apparatus and a mixing apparatus

#8
20140284007
2014-09-25

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

#9
20120097351
2012-04-26

Highly absorbent and retentive fiber material

#10
20120037325
2012-02-16

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

#11
20110277947
2011-11-17

Cellulose nanofilaments and method to produce same

#12
20110275860
2011-11-10

Method and apparatus for in-feeding of matter to a process reactor

#13
20100278664
2010-11-04

Method and apparatus for mixing a first fluid with a second fluid in a mixing chamber connected to a turbine chamber

#14
20090065975
2009-03-12

MANUFACTURING PROCESS FOR HIGH PERFORMANCE LIGNOCELLULOSIC FIBRE COMPOSITE MATERIALS

#15
20070158041
2007-07-12

Method and arrangement for treating pulp

#16
20050269051
2005-12-08

Process and device for blending fluid flows