ClassID:

126476

D21D1/306 - CPC Classification

Classification description:

Methods of beating or refining; Beaters of the Hollander type; Methods of refining; Disc mills Discs

Recent Application in this class:
#1
20260009181
2026-01-08

REFINER FILLING PIECE HAVING VARIABLY COATED SPACER-INTEGRATED BARS

#2
20260009180
2026-01-08

REFINER BARS HAVING STEPPED COATINGS

#3
20260001080
2026-01-01

GAP WIDTH MONITORING

#4
20250223760
2025-07-10

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

#5
20250043510
2025-02-06

Refining Segment for Refiner

#6
20250027271
2025-01-23

REFINER FILLING PIECE HAVING MULTIPLE COATINGS ON BARS

#7
20250003151
2025-01-02

PROCESS TO PRODUCE MICROFIBRILLATED CELLULOSE BY IMPACTS

#8
20240426052
2024-12-26

BLADE FOR A REFINER FOR REFINING LIGNOCELLULOSIC MATERIAL, AND REFINER COMPRISING AT LEAST ONE BLADE

#9
20240392501
2024-11-28

Deflaking Element for Pulper

#10
20240360622
2024-10-31

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

#11
20240296736
2024-09-05

REFINER

#12
20240295076
2024-09-05

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

#13
20240247441
2024-07-25

APPARATUS AND METHOD FOR PROCESSING WOOD FIBERS

#14
20240229355
2024-07-11

REFINER DISC

#15
20230407563
2023-12-21

REFINER FILLING PIECE HAVING VARIABLY COATED BARS

#16
20230243098
2023-08-03

Blade segment for refiner

#17
20230228034
2023-07-20

Apparatus and method for processing wood fibers

#18
20230228033
2023-07-20

Blade Segment for Refiner

#19
20230220624
2023-07-13

Blade segment for refiner

#20
20230183921
2023-06-15

Blade Element for Refiner

#21
20230175203
2023-06-08

PROCESS TO PRODUCE MICROFIBRILLATED/NANOFIBRILLATED CELLULOSE BY IMPACTS

#22
20230167605
2023-06-01

Deflaker with serrated tooth pattern

#23
20220349309
2022-11-03

Blade element

#24
20220307199
2022-09-29

Refiner segment

#25
20220274159
2022-09-01

Method for producing a refiner disc segment

#26
20220205176
2022-06-30

Method for preparing unbleached biomechanical pulp by hot steam in coordination with biological enzyme treatment of wheat straw and full utilization of by-products thereof

#27
20220161267
2022-05-26

Refiner disc and hub assembly

#28
20220145537
2022-05-12

Device for mechanically processing lignocellulose-containing fibrous material

#29
20220098791
2022-03-31

EXPERIMENTAL SYSTEM FOR STUDYING REFINING MECHANISM AND CHARACTERISTIC OF REFINER PLATE AND METHOD FOR OPERATING SAME

#30
20220034035
2022-02-03

Refiner plate having inter-bar wear protrusions

#31
20220034034
2022-02-03

Disperser plates with intermeshing teeth and outer refining section

#32
20210381164
2021-12-09

Refiner plate segment

#33
20210348332
2021-11-11

Process to produce microfibrillated cellulose by impacts

#34
20210262167
2021-08-26

Refiner segment with varying depth profile

#35
20210262166
2021-08-26

Apparatus and method for processing wood fibers

#36
20210254282
2021-08-19

Blade for a refiner

#37
20210246610
2021-08-12

Center ring provided with wings

#38
20210222364
2021-07-22

Refiner segment

#39
20210180253
2021-06-17

Refiner plate having grooves imparting rotational flow to feed material

#40
20210146371
2021-05-20

Refiner for refining lignocellulosic material and refining segments for such a refiner

#41
20210086189
2021-03-25

Flinger apparatus for a counter-rotating refiner

#42
20210040689
2021-02-11

Refiner segment having bar weakening sections

#43
20210017706
2021-01-21

Refiner segment

#44
20210017705
2021-01-21

Apparatus and method for processing wood fibers

#45
20200385926
2020-12-10

Refining member and hub with splines with a wear indicator

#46
20200308767
2020-10-01

Refining plate provided with refining bars having edge creating bar cavities

#47
20200283955
2020-09-10

REFINING SET

#48
20200149221
2020-05-14

Steam evacuation in a pulp or fiber refiner

#49
20200130055
2020-04-30

Method for designing refiner plates with equidistant curved bars

#50
20200129985
2020-04-30

Method for designing refiner plates with three-stage radial curved bars

#51
20200102702
2020-04-02

METHOD FOR PRODUCING A REFINER DISC SEGMENT

#52
20190388899
2019-12-26

Steam evacuation in a pulp or fiber refiner

#53
20190376233
2019-12-12

Refiner plate segments with anti-lipping feature

#54
20190316295
2019-10-17

Apparatus and method for processing wood fibers

#55
20190301097
2019-10-03

Disperser plates with intermeshing teeth and outer refining section

#56
20190264389
2019-08-29

CLEANING NOTCHES AND PASSAGES FOR A FEEDING OR REFINING ELEMENT

#57
20190203418
2019-07-04

Apparatus and method for processing wood fibers

#58
20190203417
2019-07-04

Apparatus and method for processing wood fibers

#59
20190184404
2019-06-20

Water relief groove to prevent cavitation of opposite refiner plate

#60
20190145048
2019-05-16

Refiner segment in a fiber refiner

#61
20190071821
2019-03-07

Refiner segment in a fiber refiner

#62
20180345291
2018-12-06

Refiner plate with wave-like groove profile

#63
20180327970
2018-11-15

Blade segment for refiner

#64
20180251942
2018-09-06

REFINING SET

#65
20180236455
2018-08-23

Feeding center plate in a pulp or fiber refiner

#66
20180230650
2018-08-16

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

#67
20180229242
2018-08-16

Feeding center plate in a pulp or fiber refiner

#68
20180214883
2018-08-02

Refiner plate with gradually changing geometry

#69
20180154366
2018-06-07

Blade element

#70
20180078943
2018-03-22

Grinding chamber of a grinding device for vegetal products suitable to form beverages, particularly roasted coffee beans

#71
20170362773
2017-12-21

Refiner plate segment with pre-dam

#72
20170320063
2017-11-09

Blade element for refiner

#73
20170275819
2017-09-28

Rotor refiner plate element for counter-rotating refiner having curved bars and serrated leading edges

#74
20170259276
2017-09-14

Method for processing of electrical and electronic components to recover valuable materials

#75
20170191218
2017-07-06

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

#76
20170152630
2017-06-01

Cast refiner plate segment with blunt edges and corners for safe handling

#77
20170152629
2017-06-01

Stator refiner plate element having curved bars and serrated leading edges

#78
20170073894
2017-03-16

Method and arrangement for fiber flow equalization in a refiner

#79
20170073893
2017-03-16

High efficiency production of nanofibrillated cellulose

#80
20170072402
2017-03-16

Cyclonic shear plates and method

#81
20160355977
2016-12-08

Refiner

#82
20160145798
2016-05-26

Blade segment of disc refiner

#83
20160138220
2016-05-19

Segmented rotor cap assembly

#84
20150375232
2015-12-31

Blade element for refiner

#85
20150375231
2015-12-31

Single-disc refiner

#86
20150367350
2015-12-24

Granules conditioner

#87
20150306603
2015-10-29

Emulsification grinder

#88
20140339348
2014-11-20

Reduced mass plates for refiners and dispersers

#89
20140217223
2014-08-07

Cast refiner plate segment with blunt edges and corners for safe handling

#90
20140217218
2014-08-07

Blade element and refiner

#91
20140209261
2014-07-31

Two-stage chemi-mechanical pretreatment for lignocellulosic biomass

#92
20140196858
2014-07-17

Apparatus for disperser plate and method to refine paper

#93
20140131489
2014-05-15

Stator refiner plate element having curved bars and serrated leading edges

#94
20140091163
2014-04-03

Refining Disc or Refining Disc Segment

#95
20140077016
2014-03-20

Refiner plate with gradually changing geometry

#96
20140077015
2014-03-20

Rubbing machine and its tool pan

#97
20130320119
2013-12-05

Refiner plate having a smooth, wave-like groove and related methods

#98
20130306770
2013-11-21

Refiner and blade element

#99
20130306769
2013-11-21

Refiner and blade element

#100
20130306768
2013-11-21

Blade element

#101
20130270377
2013-10-17

Reversible low energy refiner plates

#102
20130228640
2013-09-05

Comminution device

#103
20130043338
2013-02-21

Conical rotor refiner plate element for counter-rotating refiner having curved bars and serrated leading sidewalls

#104
20130015281
2013-01-17

Rotor refiner plate element for counter-rotating refiner having curved bars and serrated leading edges

#105
20130001334
2013-01-03

REFINERS AND METHODS OF REFINING PULP

#106
20120294725
2012-11-22

ROTOR DISK

#107
20120138250
2012-06-07

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

#108
20120119007
2012-05-17

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

#109
20120048979
2012-03-01

Method of mounting a refiner plate segment

#110
20120032011
2012-02-09

Refining surface for a refiner

#111
20120032010
2012-02-09

Spare part for disc refiners for the production of paper

#112
20120018549
2012-01-26

Refiner plates having steam channels and method for extracting backflow steam from a disk refiner

#113
20120012685
2012-01-19

Bar and groove pattern for a refiner plate and method for compression refining

#114
20120006924
2012-01-12

Refining surface for a refiner

#115
20110278385
2011-11-17

Method for refining aqueous suspended cellulose fibers and refiner fillings for carrying out said method

#116
20110253327
2011-10-20

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

#117
20110198423
2011-08-18

Refiner and method for refining fibrous material

#118
20110155828
2011-06-30

Mechanical pulping refiner plate having curved refining bars with jagged leading sidewalls and method for designing plates

#119
20110089273
2011-04-21

Refiner and method for refining fibrous material

#120
20110042027
2011-02-24

Refining segment for pulp processing with a deflector arrangement attached at the bars surfaces

#121
20110024540
2011-02-03

Blade made of steel alloy

#122
20100314476
2010-12-16

Refiner

#123
20090302140
2009-12-10

Refiner plate assembly and method with evacuation of refining zone

#124
20090173813
2009-07-09

Papermaking refiner plates and method of manufacture

#125
20090173812
2009-07-09

Bar and groove pattern for a refiner plate and method for compression refining

#126
20090166453
2009-07-02

Process for yarn or sliver refining

#127
20090145990
2009-06-11

Refiner

#128
20090145989
2009-06-11

Refiner plate fixtures for quick replacement, and methods and assemblies therefor

#129
20090045278
2009-02-19

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

#130
20090001204
2009-01-01

Disc refiner with plates having logarithmic spiral bars

#131
20080302897
2008-12-11

Refiner blade and segment, as well as a method of forming them and a method of modifying blade grooves

#132
20080296419
2008-12-04

Refiner plates having steam channels and method for extracting backflow steam from a disk refiner

#133
20080210795
2008-09-04

Refiner plates with high-strength high-performance bars

#134
20080191078
2008-08-14

Mechanical pulping refiner plate having curved refining bars with jagged leading sidewalls and method for designing plates

#135
20080149291
2008-06-26

Refiner for refining pulp

#136
20080083520
2008-04-10

Method of refining destructured chips

#137
20080078854
2008-04-03

Composite refiner plate

#138
20070272778
2007-11-29

TMP refining of destructured chips

#139
20070210197
2007-09-13

Refiner plate

#140
20070164143
2007-07-19

Disc refiner with increased gap between fiberizing and fibrillating bands

#141
20070095962
2007-05-03

Refining element

#142
20070029424
2007-02-08

Plate or plate segment and device with such plates or plate segments

#143
20060289689
2006-12-28

Papermaking refiner plates and method of manufacture

#144
20060202074
2006-09-14

Refining element

#145
20060192040
2006-08-31

Refiners and methods of refining pulp

#146
20060151649
2006-07-13

Refining element

#147
20060151648
2006-07-13

Refiner

#148
20060113415
2006-06-01

Conical refiner plates with logarithmic spiral type bars

#149
20060037728
2006-02-23

Refining plate attached to a head in a pulp refiner

#150
20060006265
2006-01-12

High intensity refiner plate with inner fiberizing zone

#151
20060006264
2006-01-12

Energy efficient TMP refining of destructured chips

#152
20050247808
2005-11-10

Refining surface for a refiner for defibering material containing lignocellulose

#153
20050230511
2005-10-20

Refiner disk sensor and sensor refiner disk

#154
20050167538
2005-08-04

Refiner fittings for paper fiber stock

#155
20050161542
2005-07-28

Method of manufacturing refiner elements