D21D1/24 - CPC Classification Index

ClassID:

126471 ⎘

D21D1/24 - CPC Classification

Classification description:

Methods of beating or refining; Beaters of the Hollander type; Methods of refining; Jordans Jordan rolls

Recent Application in this class:

20260009181

2026-01-08

REFINER FILLING PIECE HAVING VARIABLY COATED SPACER-INTEGRATED BARS

20260009180

2026-01-08

REFINER BARS HAVING STEPPED COATINGS

20250171959

2025-05-29

Conical Refining Filling

20240263395

2024-08-08

Refining Segment

20230243098

2023-08-03

Blade segment for refiner

20230228033

2023-07-20

Blade Segment for Refiner

20210180251

2021-06-17

Arrangement and method for adjusting blade gap in refiner

20190078259

2019-03-14

METHOD FOR PROCESSING WOOD FIBERS

20180327970

2018-11-15

Blade segment for refiner

#10

20160355977

2016-12-08

Refiner

#11

20130043338

2013-02-21

Conical rotor refiner plate element for counter-rotating refiner having curved bars and serrated leading sidewalls

#12

20110278385

2011-11-17

Method for refining aqueous suspended cellulose fibers and refiner fillings for carrying out said method

#13

20110198423

2011-08-18

Refiner and method for refining fibrous material

#14

20110089273

2011-04-21

Refiner and method for refining fibrous material

#15

20060113415

2006-06-01

Conical refiner plates with logarithmic spiral type bars

#16

20050161542

2005-07-28

Method of manufacturing refiner elements