Patents-Review.com
ClassID:

126470 ⎘

D21D1/22 - CPC Classification

Classification description:

Methods of beating or refining; Beaters of the Hollander type; Methods of refining Jordans

Sub-classes:
Recent Application in this class:
#1
20250003151
2025-01-02

PROCESS TO PRODUCE MICROFIBRILLATED CELLULOSE BY IMPACTS

 #2
20240392501
2024-11-28

Deflaking Element for Pulper

 #3
20240296736
2024-09-05

REFINER

 #4
20230407563
2023-12-21

REFINER FILLING PIECE HAVING VARIABLY COATED BARS

 #5
20230183921
2023-06-15

Blade Element for Refiner

 #6
20230175203
2023-06-08

PROCESS TO PRODUCE MICROFIBRILLATED/NANOFIBRILLATED CELLULOSE BY IMPACTS

 #7
20230167605
2023-06-01

Deflaker with serrated tooth pattern

 #8
20220349309
2022-11-03

Blade element

 #9
20210348332
2021-11-11

Process to produce microfibrillated cellulose by impacts

 #10
20210301470
2021-09-30

METHOD AND ARRANGEMENT FOR PRODUCING NANOFIBRILLAR CELLULOSE

 #11
20210062422
2021-03-04

Refiner blade element

 #12
20200063343
2020-02-27

Refining to a desirable freeness

 #13
20180230650
2018-08-16

Set for the mechanical processing, in particular grinding of suspended fibrous material

 #14
20170191218
2017-07-06

Set for the mechanical processing, in particular grinding of suspended fibrous material

 #15
20160362835
2016-12-15

Refiner beating method

 #16
20160355977
2016-12-08

Refiner

 #17
20150352601
2015-12-10

Device and method for removing impurities from shredded plastic

 #18
20140217218
2014-08-07

Blade element and refiner

 #19
20140196858
2014-07-17

Apparatus for disperser plate and method to refine paper

 #20
20140083634
2014-03-27

Method and an apparatus for producing nanocellulose

 #21
20130306770
2013-11-21

Refiner and blade element

 #22
20130306769
2013-11-21

Refiner and blade element

 #23
20120104132
2012-05-03

Refiner with flow guide inside rotor or stator

 #24
20110253327
2011-10-20

METHOD FOR REFINING CELLULOSE FIBERS IN AQUEOUS SUSPENSION AS WELL AS REFINER FILLING TO IMPLEMENT SAID METHOD

 #25
20110089273
2011-04-21

Refiner and method for refining fibrous material

 #26
20100314476
2010-12-16

Refiner

 #27
20100270411
2010-10-28

Refiner

 #28
20090134258
2009-05-28

Process for making conical spare parts for refiners for the production of paper

 #29
20090045278
2009-02-19

Crushing element and mills with grinding bodies, mixers, extruders and a pressing worm provided with said crushing elements

 #30
20060180684
2006-08-17

Method of refining wood chips or pulp in a high consistency conical disc refiner

 #31
20060151649
2006-07-13

Refining element

 #32
20060113415
2006-06-01

Conical refiner plates with logarithmic spiral type bars