ClassID:

28786

B01D21/20 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation; Construction of the scrapers or the driving mechanisms for settling tanks Driving mechanisms

Recent Application in this class:
#1
20240382874
2024-11-21

Large-flux ultra-fine grid system with non-rotating screen plates

#2
20240226774
2024-07-11

ROLLER FOR CHAIN AND SCRAPER ASSEMBLY

#3
20240131451
2024-04-25

ROLLER FOR CHAIN AND SCRAPER ASSEMBLY

#4
20240102512
2024-03-28

BEARING WEAR MONITORING DEVICE FOR CIRCULAR CLARIFIER DRIVE

#5
20220062795
2022-03-03

Clarifier with independent sump scraper drive

#6
20210054871
2021-02-25

Head shaft assembly and related method

#7
20200384385
2020-12-10

Composite loop chain

#8
20200298145
2020-09-24

Clog-resistant inlet for a conduit of a water treatment system

#9
20200246725
2020-08-06

Sludge treatment apparatus

#10
20200230525
2020-07-23

Apparatus and method for producing polymer latex resin powder

#11
20200215461
2020-07-09

Sludge collector

#12
20200171412
2020-06-04

Clarifier with independent sump scraper drive

#13
20200101402
2020-04-02

Clog-resistant inlet for a conduit of a water treatment system

#14
20170252675
2017-09-07

Sludge extraction apparatus and method

#15
20160023131
2016-01-28

METHOD AND APPARATUS FOR REMOVAL OF SURFACE SCUM

#16
20150224425
2015-08-13

Thickener/clarifier drive apparatus and methods thereof

#17
20150209694
2015-07-30

Headshaft

#18
20150202550
2015-07-23

Separation apparatus for separation of material from a liquid

#19
20150008196
2015-01-08

GRIT REMOVAL SYSTEM

#20
20140197117
2014-07-17

System and method for sludge removal in a circular settling tank

#21
20130153491
2013-06-20

Sludge scraping apparatus

#22
20130118618
2013-05-16

Apparatus and method for removing materials from a material collection container

#23
20130118616
2013-05-16

Apparatus and method for removing materials from a material collection container

#24
20120012540
2012-01-19

GRIT REMOVAL SYSTEM

#25
20110198303
2011-08-18

Method and apparatus for disturbing networked pulp

#26
20110180484
2011-07-28

SEPARATION DEVICE WITH DUAL DRIVES AND A METHOD OF REDUCING DONUTTING IN A SEPARATION DEVICE

#27
20110163041
2011-07-07

METHOD FOR CONTROLLING THE DISTURBANCE OF NETWORKED PULP

#28
20090314726
2009-12-24

Waste concrete and aggregate reclaimer

#29
20090301948
2009-12-10

System for treating wastewater

#30
20070221587
2007-09-27

Method and arrangement for removal of surface scum

#31
20070114184
2007-05-24

Method for treating wastewater

#32
20070090031
2007-04-26

Variable speed waste removal system

#33
20060137531
2006-06-29

Apparatus for scum removal