D21F1/78 - CPC Classification Index

ClassID:

126568 ⎘

D21F1/78 - 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 cylinders with pressure

Recent Application in this class:

20230295871

2023-09-21

Displacement dewatering a web using compressed gas

20200002890

2020-01-02

PAPER PULP PRESSURE SCREEN

20190360155

2019-11-28

Method for producing a fibrous material web

20190345673

2019-11-14

APPARATUS FOR MEASURING THE DEWATERING OF A PAPER MACHINE AT DIFFERENT POINTS OF THE WET END AND A METHOD FOR IMPLEMENTING IT

20110303380

2011-12-15

Arrangement for washing and dewatering cellulose pulp

20110042026

2011-02-24

Distribution device for feeding of cellulose pulp

20110017646

2011-01-27

Apparatus for washing and dewatering pulp

20100294708

2010-11-25

Apparatus for washing and dewatering pulp

20100269997

2010-10-28

Apparatus for washing and dewatering pulp

#10

20100155007

2010-06-24

Arrangement for washing and dewatering cellulose pulp

#11

20090120602

2009-05-14

Roll body for a press roll

#12

20050230306

2005-10-20

Perforated deck made out of a plurality of segments

#13

18407620

2025-12-16

Paper pulp pressure screen

#14

18166970

2024-02-20

Paper pulp pressure screen