D21F1/20 - CPC Classification Index

ClassID:

126532 ⎘

D21F1/20 - CPC Classification

Classification description:

Wet end of machines for making continuous webs of paper; Shaking apparatus for wire-cloths and associated parts in Fourdrinier machines

Recent Application in this class:

20230313464

2023-10-05

METHOD FOR MANUFACTURING A FILM COMPRISING HIGHLY REFINED CELLULOSE FIBERS

20230250582

2023-08-10

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

20190211503

2019-07-11

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

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

20070101817

2007-05-10

Equipment for moving the roll of a paper machine

20070068644

2007-03-29

Method and apparatus for forming a paper or tissue web

20060249267

2006-11-09

Shake mechanism for glass mat production line