ClassID:

28790

B01D21/2411 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation; Feed or discharge mechanisms for settling tanks; Feed mechanisms for settling tanks having a tangential inlet

Recent Application in this class:
#1
20260153020
2026-06-04

APPARATUS AND METHOD FOR HARNESSING ENERGY FROM A WELLBORE TO PERFORM MULTIPLE FUNCTIONS WHILE REDUCING EMISSIONS

#2
20250263310
2025-08-21

TREATING PER- AND POLY-FLUOROALKYL SUBSTANCES IN LANDFILL LEACHATE

#3
20250262568
2025-08-21

Flow Control Devices And Methods For Stacked Tray Type Vortex Grit Removal Systems

#4
20250099877
2025-03-27

Disk-Pack Turbine

#5
20250058250
2025-02-20

Concentric Sloping Plate Enhanced Vertical Compact Flotation Unit

#6
20240382874
2024-11-21

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

#7
20240375127
2024-11-14

APPARATUS AND PROCESS FOR SEPARATING COMPONENTS OF A MULTIPHASE HYDROCARBON STREAM

#8
20240342632
2024-10-17

Intake Module for Water Treatment Systems

#9
20240216836
2024-07-04

SLUDGE SEPARATOR

#10
20240058727
2024-02-22

HOT ROLLING MILL WITH SEPARATOR FOR MILL SCALE FROM WASTEWATER

#11
20240001264
2024-01-04

Disk-pack turbine

#12
20230271110
2023-08-31

METHOD OF CYCLONIC SEPARATION OF A FLOW OF MULTI-PHASE FLUID

#13
20230249104
2023-08-10

Disk-Pack Housing

#14
20230193703
2023-06-22

SPHERICAL SAND SEPARATOR FOR PETROLEUM AND NATURAL GAS WELLS

#15
20230127819
2023-04-27

Treating per- and poly-fluoroalkyl substances in landfill leachate

#16
20220355221
2022-11-10

Feedwell apparatus, trough, plant and use

#17
20220339559
2022-10-27

SYSTEMS AND METHODS FOR MIXTURE SEPARATION

#18
20220154568
2022-05-19

APPARATUS AND METHOD FOR HARNESSING ENERGY FROM A WELLBORE TO PERFORM MULTIPLE FUNCTIONS WHILE REDUCING EMISSIONS

#19
20220152633
2022-05-19

Retrofit attachments for water treatment systems

#20
20220040601
2022-02-10

Water processing system and arrangement

#21
20220008841
2022-01-13

Vortex inducing device and a method of use thereof for concentrating sediment in a water tank

#22
20210363745
2021-11-25

Circular parallel plate grit remover

#23
20210339172
2021-11-04

Thickener feed distributor

#24
20210339168
2021-11-04

Cyclonic inlet diverter

#25
20210331093
2021-10-28

Apparatus for separating particles from a particulate suspension

#26
20210322900
2021-10-21

Water treatment system

#27
20210316233
2021-10-14

Solid-liquid separator

#28
20210171367
2021-06-10

A Wastewater Treatment Device

#29
20210146280
2021-05-20

Sand cleaning and disposal system and method

#30
20210001355
2021-01-07

Disk-pack turbine for water treatment systems

#31
20200378815
2020-12-03

SOLID LEVEL MEASUREMENT WITH VIBRATING ROD SENSORS

#32
20200308820
2020-10-01

Gravitational separator providing enhanced contaminant separation

#33
20200282339
2020-09-10

Sedimentation device

#34
20200282338
2020-09-10

Sand removal tank

#35
20200246726
2020-08-06

Water treatment system and method

#36
20200230525
2020-07-23

Apparatus and method for producing polymer latex resin powder

#37
20200230522
2020-07-23

Cyclonic inlet diverter

#38
20200215462
2020-07-09

Thickener feed distributor

#39
20200188816
2020-06-18

Water treatment system and method

#40
20200179951
2020-06-11

Separator device

#41
20200139268
2020-05-07

Device for improving water quality

#42
20200114283
2020-04-16

Liquid treatment apparatus

#43
20200108335
2020-04-09

Centrifugal fuel purifying apparatus

#44
20200108333
2020-04-09

Separator for separating solids from a fluid

#45
20200087175
2020-03-19

REMOVING FINELY DISPERSED PARTICULATE MATTER FROM A FLUID STREAM

#46
20200038781
2020-02-06

Separator for separating solids from an influent

#47
20190284790
2019-09-19

Liquid quality system with drag inducing portions

#48
20190224593
2019-07-25

SEPARATION VESSEL WITH ENHANCED PARTICULATE REMOVAL

#49
20190210894
2019-07-11

Hydrodynamic separators, assemblies and methods for storm water treatment

#50
20190086299
2019-03-21

3D time series vector sediment trap

#51
20180369720
2018-12-27

Hydrocyclone separator

#52
20180347335
2018-12-06

Gravity desanding apparatus with filter polisher

#53
20180345185
2018-12-06

Magnetic filter for a central heating system

#54
20180298323
2018-10-18

Acoustic perfusion devices

#55
20180245327
2018-08-30

Liquid quality system with drag inducing portions

#56
20180243668
2018-08-30

Thickener feed distributor

#57
20180229155
2018-08-16

Method for separating mill scale from wastewater

#58
20180148918
2018-05-31

Ring grit remover

#59
20180126300
2018-05-10

Water treatment system and water

#60
20180099294
2018-04-12

Separator device

#61
20180079671
2018-03-22

Ecological biowater purification system

#62
20180036656
2018-02-08

Feedwell having twisted plates

#63
20180036655
2018-02-08

Telescopic fitment for a magnetic filter

#64
20170354900
2017-12-14

METHOD FOR PURIFYING EASILY POLYMERIZABLE SUBSTANCE

#65
20170340994
2017-11-30

Magnetic filter for a central heating system

#66
20170291124
2017-10-12

Disk-pack turbine

#67
20170284182
2017-10-05

Separator and Method of Separation

#68
20170232454
2017-08-17

Disk-pack turbine

#69
20170152977
2017-06-01

Separator device

#70
20170001876
2017-01-05

Process and installation for producing alumina trihydrate by alkaline digestion of bauxite ore

#71
20170001129
2017-01-05

Settler for decanting mineral slurries and method for separating clarified liquid from thickened slurry of said mineral slurries

#72
20160271527
2016-09-22

Thickener feed distributor

#73
20160263587
2016-09-15

Vortex-type grit chamber

#74
20160228797
2016-08-11

Water treatment system and water

#75
20160053455
2016-02-25

Skimming and separation device

#76
20160038952
2016-02-11

Ring grit remover

#77
20150343334
2015-12-03

Hydroclone with vortex flow barrier

#78
20150343331
2015-12-03

Enhanced vortex fluid treatment apparatus, system, and method for separating solids from solids-containing liquids

#79
20150299006
2015-10-22

Removing finely dispersed particulate matter from a fluid stream

#80
20150290655
2015-10-15

Magnetic separator and release tool therefor

#81
20150165448
2015-06-18

Separator device

#82
20150151220
2015-06-04

Separator device

#83
20150096928
2015-04-09

Separator device for a heating system

#84
20140326684
2014-11-06

Separation devices, systems and methods for separation of particulates from liquid

#85
20140225286
2014-08-14

Apparatus for separation and processing of materials

#86
20140224722
2014-08-14

Water treatment system and method

#87
20140209535
2014-07-31

Retrofit attachments for water treatment systems

#88
20140202026
2014-07-24

Bead collection device and method

#89
20140158364
2014-06-12

Separator and method of separation

#90
20140151290
2014-06-05

Centrifugal separator

#91
20140124436
2014-05-08

Vortex-type grit chamber

#92
20140091049
2014-04-03

CLARIFIER WITH FEEDWELL AND METHODS OF CLARIFYING LIQUIDS

#93
20140008293
2014-01-09

Feedwell system for a separation vessel

#94
20130270169
2013-10-17

Ring grit remover with vanes

#95
20130256243
2013-10-03

Open-channel feed dilution system for a thickener or settling tank

#96
20130228533
2013-09-05

Feedwells

#97
20130193088
2013-08-01

Thickener/clarifier feedwell having volute peripheries

#98
20130153672
2013-06-20

Apparatus and methods for conveying a flow of oil-containing liquid into an oil separation skim tank, and skim tanks including the same

#99
20130134108
2013-05-30

Systems and methods for separating sand from oil

#100
20130118356
2013-05-16

Solids separator

#101
20130062272
2013-03-14

Device for purifying oily wastewater

#102
20130055723
2013-03-07

Apparatus and method for separating ice from fuel in a gas turbine engine

#103
20130048548
2013-02-28

Compact separation apparatus

#104
20130043197
2013-02-21

Tangential Flow Particle Separator and Method Therefor

#105
20120325738
2012-12-27

Centrifugal separator

#106
20120228204
2012-09-13

Waste water treatment equipment

#107
20120152124
2012-06-21

Combined degassing and flotation tank

#108
20120048113
2012-03-01

System and method for multiphase pump lubrication

#109
20120012534
2012-01-19

Thickener/clarifier feedwell assembly with infeed rotation

#110
20110308661
2011-12-22

Variable influent flow channel baffle

#111
20110240568
2011-10-06

Method and apparatus for sewage grit removal

#112
20110240562
2011-10-06

Method and system for backwashing a filter

#113
20110226693
2011-09-22

Separator for separating solids from an influent

#114
20110132850
2011-06-09

Method of optimizing feed distribution in a sedimentation vessel

#115
20110132846
2011-06-09

Feedwell dilution system for thickeners in oil sands

#116
20110120959
2011-05-26

Hydroclone based fluid filtration system

#117
20110100931
2011-05-05

Method of optimizing feed concentration in a sedimentation vessel

#118
20110100897
2011-05-05

SYSTEM AND METHOD FOR LIQUID PURIFICATION

#119
20110094970
2011-04-28

System, methods, processes and apparatus for removing finely dispersed particulate matter from a fluid stream

#120
20110079563
2011-04-07

Feedwells

#121
20100300981
2010-12-02

Water treatment pond, system and method of use

#122
20100193414
2010-08-05

Particle collector with weight measuring

#123
20100187191
2010-07-29

Thickening apparatus and method for thickening

#124
20100187186
2010-07-29

Systems and methods for liquid separation

#125
20100155320
2010-06-24

FEEDWELL DEVICE

#126
20100108618
2010-05-06

Thickener and method for thickening

#127
20100064893
2010-03-18

Separator and method of separation

#128
20090301966
2009-12-10

Method for purifying wastewater

#129
20090289002
2009-11-26

Combined degassing and floatation tank

#130
20090173701
2009-07-09

Centrifugal flow distribution clarifier feedwell and method of feeding influent to a clarifier thereby

#131
20090050581
2009-02-26

DEVICE AND METHOD FOR PROCESSING BACKFLUSHED FLUID

#132
20090045128
2009-02-19

Filter for removing sediment from water

#133
20090020467
2009-01-22

Separator to separate a liquid/liquid/gas/solid mixture

#134
20080190859
2008-08-14

Method for recovering suspended solids from residual effluents

#135
20080185321
2008-08-07

Effluent purifying plant with centralized structure

#136
20080169237
2008-07-17

APPARATUS FOR SEPARATING SOLIDS FROM LIQUIDS

#137
20080105604
2008-05-08

Grit trap for waste water system

#138
20080093281
2008-04-24

Clarifying tank

#139
20080011692
2008-01-17

Cyclonic particle separator for fuel systems

#140
20070289632
2007-12-20

Centrifugal separator for mixtures in a liquid or gaseous medium

#141
20070277967
2007-12-06

Separation Of Crude Oil At The Well Head

#142
20070267342
2007-11-22

Apparatus for separating particulate from stormwater

#143
20070209996
2007-09-13

Multilayer energy dissipating inlet column in center-feed clarifiers

#144
20070119775
2007-05-31

Grit trap

#145
20070108122
2007-05-17

Hydrodynamic treatment device

#146
20070095032
2007-05-03

Inlet device and a method of controlling the introduction of a fluid into a separator

#147
20070045168
2007-03-01

Hydroclone based fluid filtration system

#148
20070039900
2007-02-22

Hydroclone based fluid filtration system

#149
20060283814
2006-12-21

Gravitational separator and apparatus for separating floating particulate and volatile liquids from a stormwater stream adaptable for inline usage

#150
20060283804
2006-12-21

Combined degassing and flotation tank

#151
20060273051
2006-12-07

Oil-based sludge separation and treatment system

#152
20060201892
2006-09-14

Dual stage centrifugal liquid-solids separator

#153
20060162561
2006-07-27

Gas liquid solid compact cyclonic separator

#154
20060049120
2006-03-09

Separation devices, systems and methods for separation of particulates from liquid

#155
20060043010
2006-03-02

Separator

#156
20050252868
2005-11-17

Inlet structure for clarifiers

#157
20050224426
2005-10-13

Dynamic particle separator

#158
20050150827
2005-07-14

Separator

#159
20050145562
2005-07-07

Apparatus for separating floating and non-floating particulate from a fluid stream

#160
20050145555
2005-07-07

Apparatus for separating particulates from a fluid stream

#161
20050145388
2005-07-07

Subsea process assembly

#162
20050077248
2005-04-14

Stormwater treatment system for eliminating solid debris

#163
20050056587
2005-03-17

Apparatus for separating floating and non-floating particulate from a fluid stream

#164
20050040118
2005-02-24

Apparatus for trapping floating and non-floating particulate matter

#165
20050040091
2005-02-24

Apparatus and method for separating and filtering particles and organisms from flowing liquids

#166
20050040027
2005-02-24

Clarifying tank

#167
20050016918
2005-01-27

Apparatus for treatment of contaminated liquids

#168
15161736
2017-09-26

Low headloss feed devices and control methods for tray-type vortex grit removal systems