ClassID:

126648

D21F9/006 - CPC Classification

Classification description:

Complete machines for making continuous webs of paper of the twin-wire type paper or board consisting of two or more layers

Recent Application in this class:
#1
20240352675
2024-10-24

BARRIER LAYERS COMPRISING NANOCELLULOSE ONTO THE SURFACE OF PAPER OR PAPERBOARD SUBSTRATES AT THE WET END OF A PAPERMAKING PROCESS

#2
20240167227
2024-05-23

BARRIER COATINGS APPLIED TO NANOCELLULOSE-COATED PAPER AND PAPERBOARD

#3
20230250582
2023-08-10

Paper products having increased bending stiffness and cross-direction strength and methods for making the same

#4
20230135217
2023-05-04

Multilayer film comprising highly refined cellulose fibers

#5
20210348333
2021-11-11

Former of water laid asset that utilizes a structured fabric as the outer wire

#6
20200407916
2020-12-31

Method of forming a three-layer board web and a forming section of forming a three-layer board web

#7
20200283957
2020-09-10

APPARATUS, SYSTEMS AND METHODS FOR MAKING RE-PULPABLE INSULATED PAPER PRODUCTS

#8
20200240086
2020-07-30

Resilient high bulk tissue products

#9
20200224368
2020-07-16

Multilayer paper containing wastepaper and grass fibers

#10
20200115854
2020-04-16

Method for sizing a multi-ply fiber web and a forming section for a multi-ply fiber web

#11
20200080264
2020-03-12

Method for increasing the strength properties of a paper or board product

#12
20190368125
2019-12-05

Former of water laid asset that utilizes a structured fabric as the outer wire

#13
20190211503
2019-07-11

Paper products having increased bending stiffness and cross-direction strength and methods for making the same

#14
20180361702
2018-12-20

Multilayer facer manufacturing system

#15
20180251943
2018-09-06

Method and apparatus for manufacturing watermarked paper

#16
20180073195
2018-03-15

Former of water laid asset that utilizes a structured fabric as the outer wire

#17
20170081802
2017-03-23

METHODS AND APPARATUS FOR FORMING FLUFF PULP SHEETS

#18
20160237623
2016-08-18

METHODS AND APPARATUS FOR FORMING FLUFF PULP SHEETS

#19
20150013926
2015-01-15

Methods and apparatus for forming fluff pulp sheets

#20
20130213594
2013-08-22

Methods and apparatus for forming fluff pulp sheets

#21
20130025806
2013-01-31

Systems and methods for making fiber webs

#22
20120312488
2012-12-13

Method for forming a fibrous media

#23
20110303382
2011-12-15

Sheet forming system for a machine for producing a multilayer fibrous web

#24
20110297342
2011-12-08

Process for the production of paper or paperboard

#25
20100224304
2010-09-09

Method of implanting RFID tags in corrugated paperboard

#26
20100187712
2010-07-29

Method and apparatus for forming a fibrous media

#27
20100187171
2010-07-29

Fibrous media

#28
20100059192
2010-03-11

Method for the production of a web of tissue material

#29
20090165973
2009-07-02

Web-forming section and method for manufacturing multi-layer web

#30
20080000604
2008-01-03

Multiply former apparatus

#31
20070193910
2007-08-23

Method of Implanting RFID Tags in Corrugated Paperboard

#32
20070163736
2007-07-19

Multi-layer web formation section

#33
20070158042
2007-07-12

Multi-layer web formation section

#34
20060081348
2006-04-20

Fluted composite and related absorbent articles

#35
20060005934
2006-01-12

Methods for forming a fluted composite

#36
20050098282
2005-05-12

Method for the production of a web of tissue material

#37
20050090789
2005-04-28

Absorbent composite having improved surface dryness

#38
20050045299
2005-03-03

Process and a device for the formation of fiberboard

#39
20050039874
2005-02-24

Sheet forming device and method for sheet forming