ClassID:

28776

B01D21/04 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation; Settling tanks with single outlets for the separated liquid with moving scrapers

Sub-classes:
Recent Application in this class:
#1
20260116795
2026-04-30

HIGH-RATE SETTLING CLARIFIER WITH INCREASED TURN DOWN CAPABILITIES

#2
20250387729
2025-12-25

SCRAPED-SURFACE SALT SEPARATOR WITH A SCRAPER PLATE WHICH SLIDES INTO A PRECIPATED-SALT RESOLUBILIZATION ZONE AND ASSOCIATED BIOMASS GASIFICATION FACILITY

#3
20250160274
2025-05-22

An Equipment for In-situ Restoration of Sediment

#4
20240278150
2024-08-22

PLANT AND METHOD FOR RECYCLING AND FILTERING ROLLING OIL

#5
20200215461
2020-07-09

Sludge collector

#6
20200208477
2020-07-02

Electro-separation cell with solids removal

#7
20180280836
2018-10-04

System for biological aerobic activated sludge process with hydrodynamic solid separation

#8
20170326476
2017-11-16

METHOD AND APPARATUS FOR REMOVAL OF CLARIFIED LIQUID

#9
20160001202
2016-01-07

Remote submerged chain conveyor

#10
20150352467
2015-12-10

Remote submerged chain conveyor

#11
20150209694
2015-07-30

Headshaft

#12
20150202550
2015-07-23

Separation apparatus for separation of material from a liquid

#13
20150065281
2015-03-05

Chain structure

#14
20130153491
2013-06-20

Sludge scraping apparatus

#15
20130015132
2013-01-17

Water purification apparatus and method for using pressure filter and pore control fiber filter

#16
20110127205
2011-06-02

SEDIMENTATION BASIN FOR SEWAGE TREATMENT PLANTS

#17
20110017653
2011-01-27

Rectangular sedimentation system having self-aggregation facility

#18
20110000849
2011-01-06

Water purification apparatus and method for using pressure filter and pore control fiber filter

#19
20100236999
2010-09-23

Scum removing apparatus

#20
20090184055
2009-07-23

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#21
20090184040
2009-07-23

Contaminated fluid recovery apparatus

#22
20090026131
2009-01-29

Method and apparatus for collecting and/or removing sludge

#23
20080061003
2008-03-13

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#24
20070090031
2007-04-26

Variable speed waste removal system

#25
20070045202
2007-03-01

Apparatus for production, withdrawal and transfer of highly viscous slurry

#26
20070000558
2007-01-04

SLUDGE REMOVAL SYSTEM

#27
20060124539
2006-06-15

Sludge scraping and collecting apparatus

#28
20060108281
2006-05-25

Auxiliary scraper arrangement

#29
20050150840
2005-07-14

Method and device for clarification of liquids, particularly water, loaded with material in suspension

#30
20050092671
2005-05-05

Apparatus for recycling of oil-based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#31
14012611
2016-12-06

Oil sludge mixing assembly