ClassID:

28754

B01D21/0039 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation Settling tanks provided with contact surfaces, e.g. baffles, particles

Sub-classes:
Recent Application in this class:
#1
20250332528
2025-10-30

HYDRODYNAMIC SEPARATOR WITH MULTIPLE SETTLING SUMP CONES

#2
20250161845
2025-05-22

Filter for a Fluid Passageway

#3
20240115977
2024-04-11

Apparatus with improved grit removal

#4
20230278903
2023-09-07

SEWAGE TREATMENT DEVICE AND METHOD FOR THERMAL DESORPTION SYSTEM

#5
20230191290
2023-06-22

SYSTEMS AND METHODS FOR RECYCLING RECOVERED WATER UTILIZING A DEFLUIDIZING TANK

#6
20220305409
2022-09-29

Method for Removing Solids Submerged in a Polymer-Based Slurry

#7
20220186486
2022-06-16

HYDRODYNAMIC SEPARATOR FOR STORMWATER TREATMENT

#8
20210404169
2021-12-30

Volume controlled hydrodynamic separator for stormwater treatment

#9
20210189135
2021-06-24

Method for preparing bio-based composite using palm biomass powder as raw material

#10
20200370290
2020-11-26

Storm water drain system and components thereof and methods of use

#11
20190330836
2019-10-31

Hydrodynamic separator for stormwater treatment

#12
20190126287
2019-05-02

Feed apparatus for a particle separator, particle separator and method of particle separation

#13
20190078310
2019-03-14

Hydrodynamic separator for stormwater treatment

#14
20180257004
2018-09-13

Mobile flocculation and fracking water treatment system

#15
20170274300
2017-09-28

Dirt Separator

#16
20170145678
2017-05-25

Inclined plates for CSO

#17
20170120876
2017-05-04

Windshield wiper fluid refilling system

#18
20170015917
2017-01-19

Scale collection and predistribution tray for vessel with downward two-phase flow

#19
20160367912
2016-12-22

Oil-water separator

#20
20160303492
2016-10-20

Compact flotation unit having multiple vanes disposed around a cylinder used for waste collection

#21
20160115043
2016-04-28

Process for producing suspensions

#22
20160074777
2016-03-17

METHOD TO SELF-CLEAN AN IFS USING SUPERNATANT FROM ANOTHER CLARIFICATION TANK

#23
20160074776
2016-03-17

SYSTEM TO SELF-CLEAN AN IFS USING SUPERNATANT FROM ANOTHER CLARIFICATION TANK

#24
20160038855
2016-02-11

Phase separation tank

#25
20160008746
2016-01-14

Vibrating inclined plate box settlement separator

#26
20150314217
2015-11-05

Liquid-liquid extraction system and process for use thereof

#27
20150273361
2015-10-01

Method and system to separate solids from liquids

#28
20150048030
2015-02-19

Compact water treatment device

#29
20140374349
2014-12-25

Solvent extraction mixer settler apparatus

#30
20140263052
2014-09-18

Device for collecting and separating aqueous and/or oily liquids and cryogenic liquid

#31
20140116967
2014-05-01

Mobile flocculation and fracking water treatment system

#32
20140110348
2014-04-24

Inclined plates for CSO

#33
20140048495
2014-02-20

Removal device in particular for micro-bubbles, volatile compounds and dirt

#34
20140021148
2014-01-23

Method and system to separate solids from liquids

#35
20130105013
2013-05-02

Septic field filter and bacterial unit

#36
20130098846
2013-04-25

Process, apparatus and system for treating a hydrocarbon feedstock

#37
20130087515
2013-04-11

Sediment removal tank and system

#38
20130068699
2013-03-21

Construction site water treatment system and methods

#39
20130037468
2013-02-14

Reactor for anaerobic purification of waste water including multi-phase separator devices

#40
20130015132
2013-01-17

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

#41
20120325751
2012-12-27

Flowback separation system

#42
20120312392
2012-12-13

Pump system with vacuum source

#43
20120248036
2012-10-04

Density current baffle for a clarifier tank

#44
20120211436
2012-08-23

PROCESS, APPARATUS AND SYSTEM FOR TREATING A HYDROCARBON FEEDSTOCK

#45
20120152124
2012-06-21

Combined degassing and flotation tank

#46
20120097039
2012-04-26

Phase separator

#47
20120031851
2012-02-09

Storm drain baffle to decrease sediment washout

#48
20120006762
2012-01-12

Solids removal system and method

#49
20110290737
2011-12-01

Self contained dissolved air flotation system

#50
20110253635
2011-10-20

Fluid clarification system, method, and apparatus

#51
20110240568
2011-10-06

Method and apparatus for sewage grit removal

#52
20110233144
2011-09-29

Solids removal system and method

#53
20110233127
2011-09-29

Profiled strip and separating assembly formed therefrom

#54
20110155564
2011-06-30

SYSTEM FOR ELECTROCOAGULATIVELY REMOVING CONTAMINANTS FROM CONTAMINATED WATER

#55
20110132824
2011-06-09

High Performance Sewer System

#56
20110048233
2011-03-03

Three-phase cascade separator

#57
20110008183
2011-01-13

Vacuum source and float valve for a self-priming pump

#58
20110000849
2011-01-06

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

#59
20100314302
2010-12-16

Self contained dissolved air flotation system

#60
20100243553
2010-09-30

DEVICE FOR TREATING RAIN WATER

#61
20100236409
2010-09-23

Combined gas removal, dirt removal and contaminating liquid removal device

#62
20100230338
2010-09-16

Floating skimmer and filter apparatus

#63
20100230337
2010-09-16

WATER TANK APPARATUS

#64
20100102005
2010-04-29

Dewatering facility

#65
20100032363
2010-02-11

Floating skimmer apparatus with up-flow filter

#66
20090301966
2009-12-10

Method for purifying wastewater

#67
20090289002
2009-11-26

Combined degassing and floatation tank

#68
20090211974
2009-08-27

WATER CLARIFYING APPARATUS AND IMPLEMENTING METHOD

#69
20090134095
2009-05-28

Process and apparatus for treating a heavy hydrocarbon feedstock

#70
20090095690
2009-04-16

SOLIDS REMOVAL SYSTEM AND METHOD

#71
20090078650
2009-03-26

Device for thickening sludge carried along in waste water

#72
20090078630
2009-03-26

Separator for removing impurities, especially smaller particles from rain water

#73
20090032450
2009-02-05

High performance sewer system

#74
20090032448
2009-02-05

Solid Separating Apparatus, Compact Assembly, And Separating Method

#75
20080314823
2008-12-25

EXTRUDED LAMELLA SEPARATOR PANEL MODULES

#76
20080282655
2008-11-20

Green house gases filtration system

#77
20080264840
2008-10-30

Fluids fluxion method and plant for wastewater treatment

#78
20080257810
2008-10-23

System for removing BOD and suspended solids through an activated sludge process and a ballasted flocculation process

#79
20080185321
2008-08-07

Effluent purifying plant with centralized structure

#80
20080121589
2008-05-29

Fluid clarification system and apparatus

#81
20080093281
2008-04-24

Clarifying tank

#82
20080087607
2008-04-17

Effluent Treatment Installation And Clarification And Filtration Method Using Same

#83
20070290381
2007-12-20

Fluid Sparger and Dissipater

#84
20070272617
2007-11-29

Sand and Animal Waste Separation System

#85
20070241052
2007-10-18

Storm water interceptor

#86
20070221552
2007-09-27

System for Processing a Biomaterial Waste Stream

#87
20070163955
2007-07-19

Combination activated sludge—ballasted flocculation process

#88
20070158248
2007-07-12

STORM WATER SEPARATOR SYSTEM

#89
20070138087
2007-06-21

Corrugated density baffle

#90
20070095749
2007-05-03

Refuse/oil removing device and refuse/oil recovery bag

#91
20070075024
2007-04-05

Advanced gravity sedimentation system and method

#92
20070068878
2007-03-29

Stormwater treatment apparatus and method

#93
20070045182
2007-03-01

Fats, oil and grease interceptor

#94
20070012605
2007-01-18

Self-propelled Apparatus for Cleaning A Water Treatment Tank

#95
20070000840
2007-01-04

Self contained dissolved air flotation system

#96
20060283804
2006-12-21

Combined degassing and flotation tank

#97
20060278578
2006-12-14

Energy dissipating inlet for clarifiers

#98
20060237369
2006-10-26

Materials for removing toxic metals from wastewater

#99
20060201892
2006-09-14

Dual stage centrifugal liquid-solids separator

#100
20060196827
2006-09-07

Septic tank

#101
20060180527
2006-08-17

Device to separate particles of solids and high-density fluids from fluids of lower-density

#102
20060162195
2006-07-27

System and method of dewatering dredge spoils using sloping drain barge

#103
20060157428
2006-07-20

Process and system for separating solids from combined sewer overflows

#104
20060110261
2006-05-25

Pump System with a vacuum source coupled to a separator

#105
20060108273
2006-05-25

Ballasted flocculation process and system incorporating an electro-coagulation reactor for treating water or wastewater

#106
20050218056
2005-10-06

Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc

#107
20050103718
2005-05-19

Storm water separator system

#108
20050087502
2005-04-28

Method of and apparatus for cleaning runoff water

#109
20050045535
2005-03-03

Hindered-settling fluid classifier

#110
20050040027
2005-02-24

Clarifying tank

#111
20050035056
2005-02-17

Grit removal assemblies

#112
20050006320
2005-01-13

Method of cleaning water pollution trap

#113
20050000910
2005-01-06

Aggregation precipitation method

#114
14965355
2019-02-12

Method and apparatus for treating production water