ClassID:

126562

D21F1/66 - CPC Classification

Classification description:

Wet end of machines for making continuous webs of paper Pulp catching, de-watering, or recovering; Re-use of pulp-water

Sub-classes:
Recent Application in this class:
#1
20260049449
2026-02-19

A METHOD FOR PRODUCING A MOLDED FIBRE PRODUCT

#2
20250205729
2025-06-26

MACHINE AND SYSTEM FOR COATING PRODUCTS

#3
20250092602
2025-03-20

CONTINUOUS PAPERMAKING MACHINES AND METHODS FOR CONTINUOUS PAPERMAKING

#4
20250052004
2025-02-13

DEWATERING BOX COVER

#5
20240401272
2024-12-05

TOOLS COMPRISING REPEATING STRUCTURES FORMED USING ADDITIVE MANUFACTURING PROCESSES

#6
20240392503
2024-11-28

PAPERMAKING MACHINE WITH PRESS SECTION

#7
20240383784
2024-11-21

ANTIMICROBIAL SYSTEM AND METHOD

#8
20240200276
2024-06-20

DEVICE AND METHOD FOR SIMULTANEOUSLY PRODUCING A PLURALITY OF CONTAINERS COMPRISING FIBERS

#9
20240183106
2024-06-06

WATER AND AIR SEPARATION DEVICE FOR REMOVING AIR FROM A WHITEWATER SPRAY

#10
20240175209
2024-05-30

Process and System for Controlling Temperature of a Circulating Foamed Fluid

#11
20230399799
2023-12-14

Process and system for controlling temperature of a circulating foamed fluid

#12
20230132010
2023-04-27

Process for production of nano-coated substrate

#13
20220364306
2022-11-17

Sheet manufacturing apparatus and sheet manufacturing method

#14
20220356646
2022-11-10

Papermaking machine with press section

#15
20220325473
2022-10-13

Method for suppressing sedimentation of suspended substance, method for suppressing pitch trouble, and method for detecting sedimentation of suspended substance

#16
20220316138
2022-10-06

Sheet manufacturing method and sheet manufacturing apparatus

#17
20220195668
2022-06-23

System for managing solids in papermaking whitewater

#18
20210404117
2021-12-30

Dewatering box cover

#19
20210395948
2021-12-23

Method of making a molded paper web

#20
20210238804
2021-08-05

Process and apparatus for wetlaying nonwovens

#21
20210130176
2021-05-06

Multimodal Particles for Retention and Drainage for Paper-Making Machines

#22
20210017707
2021-01-21

Papermaking machine with press section

#23
20200131704
2020-04-30

Apparatus and method for processing white water in a paper machine

#24
20190352852
2019-11-21

Apparatus for measuring the dewatering of a paper machine at different points of the wet end and a method for implementing it

#25
20190284760
2019-09-19

Method And System For Producing Market Pulp And Products Thereof

#26
20190177915
2019-06-13

Process and apparatus for wetlaying nonwovens

#27
20190017224
2019-01-17

Methods of making paper products using a molding roll

#28
20180361702
2018-12-20

Multilayer facer manufacturing system

#29
20180171554
2018-06-21

Apparatus and method for processing white water in a paper machine

#30
20170089014
2017-03-30

Acoustical ceiling tile

#31
20160177506
2016-06-23

Clothing

#32
20160177504
2016-06-23

Method of dewatering a forming fabric in a paper making machine

#33
20150361617
2015-12-17

Apparatus for washing and/or dewatering of cellulose pulp

#34
20150330023
2015-11-19

Method, system and apparatus for processing fibril cellulose and fibril cellulose material

#35
20150292158
2015-10-15

METHOD FOR CONTROLLING THE FORMATION OF A FIBER WEB OF A FIBER OR PAPER PRODUCING PROCESS

#36
20150259854
2015-09-17

Whitewater recovery process

#37
20150167242
2015-06-18

Device and method for producing a material web

#38
20140290885
2014-10-02

Sheet forming unit for producing a material web and method for operating the sheet forming unit

#39
20140262097
2014-09-18

System for washing and dewatering pulp

#40
20140262095
2014-09-18

Whitewater recovery process

#41
20140110074
2014-04-24

Method and system for reducing water loss in a paper mill

#42
20140076511
2014-03-20

Wet paper web transfer belt, papermaking system and papermaking method

#43
20140076510
2014-03-20

Wet paper web transfer belt, papermaking system, papermaking method and design method of a papermaking system

#44
20140053997
2014-02-27

Device and method for producing a material web

#45
20130277003
2013-10-24

Method and arrangement for ameliorating the dewatering in a thin wire press

#46
20130233502
2013-09-12

Sheet forming unit for producing a material web and method for operating the sheet forming unit

#47
20130042987
2013-02-21

Energy saving papermaking forming apparatus, system, and method for lowering consistency of fiber suspension

#48
20120255440
2012-10-11

Unit and method for deaeration of drainage water

#49
20120048495
2012-03-01

APPROACH FLOW SYSTEM

#50
20110290444
2011-12-01

Screening in an approach flow system

#51
20110061829
2011-03-17

Method for degassing and supplying a fibrous suspension to a headbox or a filter device and degassing device

#52
20110056636
2011-03-10

Method for degassing and supplying a fibrous suspension to a headbox or a filter device and degassing device

#53
20110048233
2011-03-03

Three-phase cascade separator

#54
20110011548
2011-01-20

Method of and an arrangement for proportioning thick stock to a short circulation of fiber web machine

#55
20110000633
2011-01-06

Method for crystallizing a filler in connection with a fiber web process, and an approach system for a fiber web machine

#56
20100282664
2010-11-11

DEVICE FOR DEWATERING OF PULP

#57
20100276094
2010-11-04

Apparatus for washing and dewatering pulp, a system for controlling such an apparatus, and a method for processing pulp in such an apparatus

#58
20100252214
2010-10-07

Method and a Device for the Dewatering of a Fibre Suspension Supplied by a Nozzle Assembly

#59
20100126686
2010-05-27

Apparatus for removing gas in connection with a paper machine or corresponding

#60
20090301678
2009-12-10

Unit in a forming section of a papermaking machine

#61
20090291023
2009-11-26

Chemistry for effective microbe control with reduced gas phase corrosiveness in pulp and paper processing systems

#62
20090201975
2009-08-13

Degassing centrifugal apparatus with sensor

#63
20090181176
2009-07-16

Method and apparatus for separating impurities from machine circulation of coating station

#64
20090159224
2009-06-25

Paper Products Including Surface Treated Thermally Bondable Fibers and Methods of Making the Same

#65
20090114353
2009-05-07

Method of Papermaking

#66
20080257509
2008-10-23

Method for an Arrangement at a Paper Machine

#67
20070267156
2007-11-22

Method for degassing and supplying a fibrous suspension to a headbox or a filter device and degassing device

#68
20060261001
2006-11-23

Filter sector for use in rotary disc filters for separating pulp suspensions

#69
20060102308
2006-05-18

Apparatus and method in the treatment of the stock passed to a headbox of a paper machine or equivalent

#70
20050279477
2005-12-22

Method and arrangement for controlling short circulation in a paper machine or the like

#71
20050269051
2005-12-08

Process and device for blending fluid flows

#72
20050224204
2005-10-13

Method and arrangement for controlling short circulation in a paper machine or the like

#73
20050173087
2005-08-11

Process arrangement in the short circulation of a paper machine

#74
20050082027
2005-04-21

Method for determining retention of wire section in paper machine

#75
20050025935
2005-02-03

Fabrics with v-guides

#76
20050016704
2005-01-27

Method and apparatus for controlling the operation of stock preparation of a paper machine

#77
18766025
2025-03-11

Machine and system for coating molded fiber products