ClassID:

126550

D21F1/483 - CPC Classification

Classification description:

Wet end of machines for making continuous webs of paper; Suction apparatus Drainage foils and bars

Sub-classes:
Recent Application in this class:
#1
20240401271
2024-12-05

DEWATERING APPARATUS AND PROCESS

#2
20220389655
2022-12-08

Scraper bar for use in a plant for producing a paper web and plant having the scraper bar

#3
20190062995
2019-02-28

DRAINAGE FOIL FOR USE IN AN INSTALLATION FOR PRODUCING A PAPER WEB WITH A FABRIC BELT, WHICH CAN BE MOVED OVER A MULTIPLICITY OF DRAINAGE FOILS ORIENTED TRANSVERSELY TO ITS DIRECTION OF MOVEMENT

#4
20160362836
2016-12-15

Adjustable foil apparatus for paper making machine

#5
20140216675
2014-08-07

Angle and height control mechanisms in fourdrinier forming processes and machines

#6
20130042987
2013-02-21

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

#7
20110290442
2011-12-01

Twin fabric forming section with multiple drainage shoes

#8
20110186254
2011-08-04

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

#9
20100236739
2010-09-23

Papermaking machine dewatering blade incorporating attachment mechanism

#10
20100154209
2010-06-24

Device for releasably fastening a wire foil in an installation for producing paper

#11
20100038978
2010-02-18

Flux-switching dual excitation electrical machine

#12
20090301677
2009-12-10

Fiber mat forming apparatus and method of preserving the hydrodynamic processes needed to form a paper sheet

#13
20090258149
2009-10-15

Forming section

#14
20090173467
2009-07-09

Static dewatering element for a web forming machine and a method for covering a static dewatering element designed for a web forming machine

#15
20080230197
2008-09-25

Composite construction for dewatering blades for a papermaking machine

#16
20080087399
2008-04-17

Suction box and dehydrator with pressurization and forming machine using thereof

#17
20080087398
2008-04-17

Hydrofoil for a papermaking installation

#18
20080017343
2008-01-24

Foil for paper production systems

#19
20070240840
2007-10-18

Method and system for controlling the temperature of ceramic elements in a supporting or wiping strip in a paper production facility, and supporting or wiping strip

#20
20070068646
2007-03-29

Materials for dewatering elements

#21
20070068644
2007-03-29

Method and apparatus for forming a paper or tissue web

#22
20060175031
2006-08-10

Gap type forming section for a two fabric paper making machine

#23
20050205227
2005-09-22

Hydrofoil for papermaking installations

#24
20050161186
2005-07-28

Papermaking apparatus

#25
20050150627
2005-07-14

Variable frequency dewatering assembly

#26
20050092454
2005-05-05

Deflocculating means for use in a paper making machine