ClassID:

126569

D21F1/80 - 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 using endless screening belts

Recent Application in this class:
#1
20250369184
2025-12-04

PAPERMAKING MACHINE THAT UTILIZES ONLY A STRUCTURED FABRIC IN THE FORMING OF PAPER

#2
20250263889
2025-08-21

Headbox for Manufacturing a Substrate

#3
20250092603
2025-03-20

SHEET MANUFACTURING APPARATUS

#4
20240229358
2024-07-11

METHOD FOR MANUFACTURING A BARRIER FILM COMPRISING HIGHLY REFINED CELLULOSE

#5
20240175204
2024-05-30

Foam-Based Manufacturing System and Process

#6
20240133118
2024-04-25

METHOD FOR MANUFACTURING A BARRIER FILM COMPRISING HIGHLY REFINED CELLULOSE

#7
20230407564
2023-12-21

MONITORING SYSTEM, CONTROL SYSTEM, AND ACTUATION ASSEMBLY OF A PAPER MACHINE, AND A METHOD OF CONTROLLING

#8
20230349099
2023-11-02

METHOD FOR MANUFACTURING FILMS COMPRISING HIGHLY REFINED CELLULOSE FIBERS

#9
20230193558
2023-06-22

System and method of producing micro fibrillated cellulose (MFC)

#10
20230074870
2023-03-09

Foam-based manufacturing system and process

#11
20230003509
2023-01-05

METHOD FOR DETERMINING FILM THICKNESS, METHOD FOR PRODUCING A FILM AND DEVICE FOR PRODUCING A FILM

#12
20220112660
2022-04-14

Dewatering device

#13
20210164160
2021-06-03

Monitoring system, control system, and actuation assembly of a paper machine, and a method of controlling

#14
20200173106
2020-06-04

Fiber material accumulating apparatus and sheet manufacturing apparatus

#15
20200173105
2020-06-04

Fibrous material accumulating apparatus and sheet manufacturing apparatus

#16
20200063345
2020-02-27

Water removal between wire and wet press of a paper mill process

#17
20190301093
2019-10-03

Web forming device, web forming method, and sheet manufacturing apparatus

#18
20190234019
2019-08-01

Monitoring system, control system, and actuation assembly of a paper machine, and a method of controlling

#19
20190112763
2019-04-18

Method and forming belt for producing a fibre material web

#20
20190106841
2019-04-11

Three-dimensional papermaking belt

#21
20180142412
2018-05-24

Monitoring system, control system, and actuation assembly of a paper machine

#22
20170247836
2017-08-31

Method and machine for manufacturing paper products using fourdrinier forming

#23
20170037572
2017-02-09

Paper machine screen

#24
20160201262
2016-07-14

Method and machine for manufacturing paper products using fourdrinier forming

#25
20150337492
2015-11-26

Paper machine wire

#26
20150167242
2015-06-18

Device and method for producing a material web

#27
20150122443
2015-05-07

Method and machine for manufacturing paper products using fourdrinier forming

#28
20140345822
2014-11-27

Machine for producing fiber-containing web material, in particular tissue paper

#29
20140345820
2014-11-27

Cover device for a drainage apparatus for a papermaking machine

#30
20140053997
2014-02-27

Device and method for producing a material web

#31
20140034261
2014-02-06

Method and machine for manufacturing paper products using fourdrinier forming

#32
20140014285
2014-01-16

Laminated endless belt

#33
20130277003
2013-10-24

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

#34
20130269898
2013-10-17

Device for producing fibrous sheet

#35
20130220566
2013-08-29

DRAWN ENDLESS CLOTHING

#36
20130153167
2013-06-20

Perforated film clothing

#37
20120267065
2012-10-25

Method and machine for manufacturing paper products using Fourdrinier forming

#38
20120048494
2012-03-01

Twin wire press

#39
20120012267
2012-01-19

DOCTOR BLADE ARRANGEMENT AND METHOD IN FIBRE PROCESSING

#40
20100206508
2010-08-19

DISTRIBUTION UNIT IN AN INLET BOX FOR A DEWATERING PRESS

#41
20100200520
2010-08-12

Method and a Device for the Dewatering of a Fibre Suspension in a Vertical Elongate Container Formed of Two Endless Wire Bands

#42
20080277086
2008-11-13

Twin-wire press

#43
20080110589
2008-05-15

Method and apparatus of a twin-wire press

#44
20070128415
2007-06-07

Dewatering and thickening belt having improved guide performance and manufacturing method thereof

#45
20070128414
2007-06-07

Dewatering and thickening belt and manufacturing method thereof

#46
20060254739
2006-11-16

Method and apparatus for use with a twin-wire press

#47
20050025935
2005-02-03

Fabrics with v-guides

#48
14577293
2016-03-15

Foil apparatus for paper making machine