ClassID:

126299

D21B1/028 - CPC Classification

Classification description:

Fibrous raw materials or their mechanical treatment; Pretreatment of the raw materials by chemical or physical means; Separating fibrous materials from waste by dry methods

Recent Application in this class:
#1
20240295074
2024-09-05

METHODS FOR PRODUCING PULP AND PAPER PRODUCTS FROM PLANTS HAVING BAST AND HURD FIBERS

#2
20240141568
2024-05-02

METHOD FOR PRODUCING AIR-LAID PRODUCTS

#3
20240011224
2024-01-11

PULP MOLD COMPRISING SEAWEED, AND PRODUCTION METHOD FOR SAME

#4
20230357542
2023-11-09

Cellulose processing

#5
20230220625
2023-07-13

SEPARATION DEVICE

#6
20230220619
2023-07-13

SEPARATION DEVICE AND SHEET MANUFACTURING APPARATUS

#7
20200270429
2020-08-27

Cellulose processing

#8
20180305867
2018-10-25

Processing device, sheet manufacturing apparatus, processing method, and manufacturing method of sheet

#9
20180021976
2018-01-25

Sheet manufacturing apparatus and sheet manufacturing method

#10
20160160439
2016-06-09

Processes for extracting trichomes from plants and fibrous structures employing same

#11
20130140221
2013-06-06

Device for seperating cardboard components

#12
20110100884
2011-05-05

De-inking screen with air knife

#13
20100206783
2010-08-19

De-inking screen

#14
20090000993
2009-01-01

De-inking screen

#15
20080197058
2008-08-21

Materials recovery facility process optimization via unit operation feedback

#16
20080197056
2008-08-21

Materials Recovery Facility Process Optimization Via Unit Operation Feedback

#17
20080156703
2008-07-03

Sorting Recycled Materials With Automatically Adjustable Separator Using Upstream Feedback

#18
20070182776
2007-08-09

OPTICAL SENSING EQUIPMENT

#19
20060085212
2006-04-20

Optimization of a materials recycling facility

#20
20060081514
2006-04-20

Materials recovery facility process optimization via unit operation feedback

#21
20060081513
2006-04-20

Sorting recycle materials with automatically adjustable separator using upstream feedback

#22
14323061
2017-02-07

Fibrous material reprocessing