ClassID:

28775

B01D21/02 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20260054200
2026-02-26

BOX BASIN WITH AN IMPROVED SEDIMENT TRAP

#2
20250346515
2025-11-13

Non-Biological Wastewater Treatment Systems and Methods for Treating Wastewater

#3
20250345725
2025-11-13

HYDRODYNAMIC STORMWATER SEPARATOR

#4
20250332528
2025-10-30

HYDRODYNAMIC SEPARATOR WITH MULTIPLE SETTLING SUMP CONES

#5
20250296017
2025-09-25

SEPARATOR FOR SEPARATING SOLIDS FROM A FLUID

#6
20250281851
2025-09-11

APPRATUS AND SYSTEM FOR DENSITY BASED DISTILLATION

#7
20250230086
2025-07-17

METHODS AND SYSTEMS OF DEWATERING TAILINGS

#8
20250066232
2025-02-27

MULTI-STAGE WASHER INCLUDING A WATER TREATMENT SYSTEM

#9
20240199459
2024-06-20

APPARATUS AND METHOD FOR RECYCLING BLACKWATER AND GREYWATER AT OIL AND GAS WELL SITES

#10
20240115977
2024-04-11

Apparatus with improved grit removal

#11
20240091895
2024-03-21

Coolant processing apparatus

#12
20240024800
2024-01-25

SYSTEMS, METHODS, AND DEVICES FOR REMOVING CONTAMINANTS FROM STORMWATER

#13
20240009596
2024-01-11

PLATE ASSEMBLY AND METHOD OF MANUFACTURING FOR USE IN WATER TREATMENT

#14
20230373838
2023-11-23

Methods and systems of dewatering tailings

#15
20230372843
2023-11-23

SEDIMENTATION TANK SYSTEM INCLUDING HIGH-RATE FILTRATION PART AND CAPABLE OF PRIMARY TREATMENT OF SEWAGE AND WASTEWATER, FLOW EQUALIZATION, AND TREATMENT OF WET WEATHER FLOW

#16
20230330565
2023-10-19

Method and apparatus for removal of particulate matter from a multiphase stream

#17
20230242430
2023-08-03

Integrated device and method for treating toxic and refractory wastewater

#18
20230211258
2023-07-06

Method and Device for Extracting Clean Liquid from Slurry Reactor

#19
20230103688
2023-04-06

Composition, System and Process for Removing Oil Products from Asphalt Shingles

#20
20230086777
2023-03-23

FILTRATION DEVICE

#21
20230080346
2023-03-16

Systems, methods, and devices for removing contaminants from stormwater

#22
20220305409
2022-09-29

Method for Removing Solids Submerged in a Polymer-Based Slurry

#23
20220280889
2022-09-08

GRAVITATION SOLID EXCLUSION DEVICE

#24
20220212126
2022-07-07

Plate assembly and method of manufacturing for use in water treatment

#25
20220177407
2022-06-09

Neutralization/water separation device for esterified product and neutralization/water separation method for esterified product

#26
20220135457
2022-05-05

Apparatus and method for recycling blackwater and greywater at oil and gas well sites

#27
20220134259
2022-05-05

COALESCING MEDIA FOR HYDRONIC AIR AND SEDIMENT SEPARATION DEVICE

#28
20220041976
2022-02-10

SEPARATION DEVICES, ASSOCIATED METHODS, AND SYSTEMS

#29
20220041954
2022-02-10

Prevention of MCPDE formation in triacylglyceride oils

#30
20220033292
2022-02-03

Waste and/or hazardous liquid containment and collection system

#31
20210322898
2021-10-21

Lamella for clarifier and lamellar module for clarifier

#32
20210260501
2021-08-26

Integrated separation unit for microplastics in the coastal sediments and collection method of microplastics

#33
20210254418
2021-08-19

Sand and gas separation apparatus and method thereof

#34
20210245076
2021-08-12

Integrated latch/hold-open system for Nefco launder covers

#35
20210129047
2021-05-06

Removable trap stations for hydrocarbon flowlines

#36
20210093984
2021-04-01

SOLIDS SEPARATION AND RECOVERY SYSTEM

#37
20210086107
2021-03-25

Sand collection and concentration tank

#38
20210077922
2021-03-18

REMOVAL DEVICE

#39
20210070627
2021-03-11

System and method for processing of minerals containing the lanthanide series and production of rare earth oxides

#40
20210008467
2021-01-14

Reverse flow type multi-stage sedimentation rake-free thickening device

#41
20210002582
2021-01-07

Purification of triacylglyceride oils

#42
20210002580
2021-01-07

Mechanical purification of triacylglyceride oils

#43
20200376412
2020-12-03

METHOD AND APPARATUS FOR REMOVAL OF PARTICULATE MATTER FROM A MULTIPHASE STREAM

#44
20200346139
2020-11-05

Sand traps for use in oil and gas extraction operations

#45
20200338478
2020-10-29

Waste liquid treating apparatus

#46
20200240121
2020-07-30

Wastewater re-use systems

#47
20200197989
2020-06-25

Flush Station

#48
20200171411
2020-06-04

Settler with a settler plate that includes a hollow support

#49
20200155973
2020-05-21

Removable trap stations for hydrocarbon flowlines

#50
20200115890
2020-04-16

In-ground stormwater collection and pretreatment filtration systems

#51
20200114282
2020-04-16

All-gravity multi-phase fluid separation system

#52
20200095145
2020-03-26

Waste water treatment plant

#53
20200080047
2020-03-12

Separation devices, associated methods, and systems

#54
20200061498
2020-02-27

Purification of oil

#55
20200009479
2020-01-09

DE-SANDING A DIGESTER

#56
20190381427
2019-12-19

Method and apparatus for removal of particulate matter from a multiphase stream

#57
20190338174
2019-11-07

Fluid synthesis system

#58
20190299127
2019-10-03

Separation device for separating a solid material from a conveying stream and method for maintaining such a separation device

#59
20190291025
2019-09-26

APPARATUS AND METHOD FOR TREATING SLURRIES

#60
20190271200
2019-09-05

Sand and gas separation apparatus and method thereof

#61
20190248682
2019-08-15

Method for removing heavy metals from an aqueous solution

#62
20190210894
2019-07-11

Hydrodynamic separators, assemblies and methods for storm water treatment

#63
20190118278
2019-04-25

LIQUID RECLAMATION AND RECIRCULATION SYSTEM FOR A WET SAW CUTTING APPARATUS

#64
20190070527
2019-03-07

INDUCED GAS FLOTATION FOR SEPARATION FACILITY

#65
20190022561
2019-01-24

Inclined sedimentation acceleration apparatus

#66
20180371854
2018-12-27

Separation system for use with weighting materials in drilling fluids

#67
20180362363
2018-12-20

Integrated apparatus for chemical precipitation and rapid filtration of water samples

#68
20180361442
2018-12-20

System and Method for Cleaning Mud Tank

#69
20180327289
2018-11-15

Water clarification method and device

#70
20180290079
2018-10-11

Sedimentation tank capable of automatically adjusting liquid level and flow

#71
20180250611
2018-09-06

Apparatus and method for gravity separation and contained oil and natural gas production systems and methods

#72
20180170785
2018-06-21

Method for Separating Liquid From Suspended Matter in a Sludge and Device for Same

#73
20180134972
2018-05-17

PROCESSING OF CHALLENGED FRACTIONS AND CRACKED CO-FEEDS

#74
20180117499
2018-05-03

Removal device

#75
20180111064
2018-04-26

System and method for separation of suspended solids from waste fluid

#76
20180104621
2018-04-19

Scum concentration device

#77
20180001231
2018-01-04

Devices for separation of particulates, associated methods and systems

#78
20170342698
2017-11-30

Stormwater filter

#79
20170333807
2017-11-23

Systems and methods for concentrating waste water fluids

#80
20170312652
2017-11-02

Apparatus and method for vibrational isolation of compounds

#81
20170144900
2017-05-25

Method for solids removal in heat exchangers

#82
20170129028
2017-05-11

LIQUID RECLAMATION AND RECIRCULATION SYSTEM FOR A WET SAW CUTTING APPARATUS

#83
20170120876
2017-05-04

Windshield wiper fluid refilling system

#84
20170114271
2017-04-27

Subterranean well production saltwater evaporation station with saltwater recycle

#85
20170072340
2017-03-16

Waste water separation vessel

#86
20170036142
2017-02-09

Impurities or materials trapping apparatus

#87
20170025988
2017-01-26

MOBILE HOUSE UTILISING RENEWABLE ENERGY

#88
20170022080
2017-01-26

Aerobic treatment system

#89
20160361669
2016-12-15

SLUDGE DISCHARGING DEVICE FOR SETTLEMENT BASIN

#90
20160244567
2016-08-25

Method for forming a low viscosity polyarylene sulfide

#91
20160228796
2016-08-11

Recovering mature fine tailings from oil sands tailings ponds

#92
20160228795
2016-08-11

METHODS AND SYSTEMS FOR PRODUCING TREATED BRINES

#93
20160199890
2016-07-14

Apparatus and method for cleaning trash containers

#94
20160185616
2016-06-30

System for controlling waste water treatment in a waste water treatment plant

#95
20160184741
2016-06-30

System, apparatus, and method for recovering barite from drilling fluid

#96
20160160489
2016-06-09

Hydrodynamic separator

#97
20160030861
2016-02-04

Apparatus and Method for Trapping Sand Present in an Input Fluid Stream

#98
20160008746
2016-01-14

Vibrating inclined plate box settlement separator

#99
20160008744
2016-01-14

IFS AND GRIT BOX FOR WATER CLARIFICATION SYSTEMS

#100
20160001201
2016-01-07

CONSTRUCTION SITE WATER TREATMENT SYSTEM AND METHODS

#101
20150368889
2015-12-24

Sink assembly

#102
20150306788
2015-10-29

Abrasive regeneration method

#103
20150292192
2015-10-15

DEVICE AND METHOD FOR GRINDING AND RECOVERING DOMESTIC ORGANIC WASTE

#104
20150291450
2015-10-15

Method for solids removal in heat exchangers

#105
20150284279
2015-10-08

Installation and method for wastewater treatment

#106
20150259608
2015-09-17

Process for synthesizing hydrocarbons from synthesis gas with control of the temperature of the external loop

#107
20150259231
2015-09-17

Process for reducing soluble organic content in produced waters associated with the recovery of oil and gas

#108
20150258552
2015-09-17

Methods of and systems for treating incinerated waste

#109
20150197707
2015-07-16

Light phase product recovery methods and systems

#110
20150190728
2015-07-09

Subterranean well production saltwater evaporation station with iodine separator

#111
20150166502
2015-06-18

Apparatus and method for vibrational isolation of compounds

#112
20150165346
2015-06-18

Systems for separation of particulates and associated methods and devices

#113
20150087805
2015-03-26

Method and system for separation of a polymer from multiple compounds

#114
20150013235
2015-01-15

Method for separating polishing material and regenerated polishing material

#115
20140371113
2014-12-18

Drilling fluid processing

#116
20140367346
2014-12-18

Reduced air hydrocyclone unit and fluid system and method

#117
20140345459
2014-11-27

Removal device

#118
20140325901
2014-11-06

Ash-free coal production method

#119
20140318644
2014-10-30

Arrangement for sand collection

#120
20140291259
2014-10-02

SEPARATION METHOD AND APPARATUS

#121
20140263082
2014-09-18

Polymer blends for flocculation

#122
20140262986
2014-09-18

Facility for Treating Thermal Oils in Solar Thermal Plants

#123
20140224730
2014-08-14

Wastewater treatment process including irradiation of primary solids

#124
20140224719
2014-08-14

Wastewater treatment system including irradiation of primary solids

#125
20140190909
2014-07-10

Fresh water generation method

#126
20140161714
2014-06-12

Process for recovery of fluoride from wastewater produced in crystalline silicon solar cell manufacturing

#127
20140158634
2014-06-12

Polymer blends for flocculation

#128
20140066668
2014-03-06

Method and apparatus for processing glycol

#129
20140048464
2014-02-20

Fluid purifying apparatus

#130
20130312614
2013-11-28

Separator and method for separation

#131
20130277296
2013-10-24

Pre-Filter Water Cleaner

#132
20130227997
2013-09-05

Method for separating liquid from suspended matter in a sludge and device for same

#133
20130220937
2013-08-29

Water clarification method and device

#134
20130134094
2013-05-30

Methods and Apparatus for Removing Impurities from Water

#135
20130082012
2013-04-04

Platelet extraction from blood

#136
20130068704
2013-03-21

FUEL SYSTEM ICE SEPARATOR

#137
20130068699
2013-03-21

Construction site water treatment system and methods

#138
20130068664
2013-03-21

Method for extracting bitumen from an oil sand feed stream

#139
20130056410
2013-03-07

Water purifier

#140
20130043195
2013-02-21

WATER RECLAMATION SYSTEMS AND METHODS

#141
20130032549
2013-02-07

Production fluid solid trap

#142
20130020253
2013-01-24

Separating sand from fluids produced by a well

#143
20120312755
2012-12-13

MOBILE CLARIFIER AND SLUDGE DEWATERING SYSTEM FOR ONSITE WASTE WATER TREATMENT

#144
20120312740
2012-12-13

Apparatus and method for removing impurities from water of wastewater

#145
20120247942
2012-10-04

Systems and methods for concentrating waste water fluids

#146
20120152861
2012-06-21

Waste separation and processing system

#147
20120152124
2012-06-21

Combined degassing and flotation tank

#148
20120136188
2012-05-31

Alkylation unit and method of modifying

#149
20120085690
2012-04-12

Primary Treatment Unit and System for Maximising the Amount of Methane-Containing Biogas Collected from Sewage

#150
20120073790
2012-03-29

WASTEWATER HEAT RECOVERY DEVICE AND METHOD THEREOF

#151
20120031851
2012-02-09

Storm drain baffle to decrease sediment washout

#152
20120024766
2012-02-02

Wastewater re-use systems

#153
20120006762
2012-01-12

Solids removal system and method

#154
20120006757
2012-01-12

Separating sand from fluids produced by a well

#155
20110303368
2011-12-15

Submerged combustion heating water evaporation for natural gas wells

#156
20110303367
2011-12-15

Submerged combustion heating water evaporation for natural gas wells

#157
20110284482
2011-11-24

Process and device for separating off solid particles from a water phase

#158
20110284027
2011-11-24

Methods for granular scavenger material transfer

#159
20110266228
2011-11-03

Production fluid solid trap

#160
20110253227
2011-10-20

SYSTEMS AND METHODS FOR CLEANING DAIRY FACILITIES

#161
20110240568
2011-10-06

Method and apparatus for sewage grit removal

#162
20110239531
2011-10-06

Method for aggregating and separating algae

#163
20110203983
2011-08-25

Treatment device and treatment bag

#164
20110186503
2011-08-04

DEVICE FOR PROCESSING A COOLING AND FLUSHING LIQUID

#165
20110174730
2011-07-21

Algal purification system with efficient solar light utilization

#166
20110139711
2011-06-16

Pressure tank

#167
20110108471
2011-05-12

Water treatment apparatus and method

#168
20110100924
2011-05-05

Compact wastewater concentrator and contaminant scrubber

#169
20110072975
2011-03-31

Separation and capture of liquids of a multiphase flow

#170
20110068063
2011-03-24

Apparatus for removing hydrocarbons and contaminates

#171
20110049029
2011-03-03

Apparatus to separate light fluids, heavy fluids, and/or sediment from a fluid stream

#172
20110048458
2011-03-03

Device and method for filtering processing liquid in processing tank

#173
20110047743
2011-03-03

FINE SOLIDS RECOVERY SYSTEM, METHOD AND PICK-UP WAND

#174
20110036239
2011-02-17

Sand separation system and method

#175
20110016917
2011-01-27

Method of removing and solidifying carbon dioxide from a fluid stream and fluid separation assembly

#176
20110008505
2011-01-13

Methods for separating fat from a material containing fat

#177
20110005284
2011-01-13

Wastewater treatment system including irradiation of primary solids

#178
20100329945
2010-12-30

Alkylation unit and method of modifying

#179
20100264094
2010-10-21

METHOD OF DEVELOPING A RAPIDLY SETTLING ALGAL FLOC

#180
20100264074
2010-10-21

Amalgam separator

#181
20100230337
2010-09-16

WATER TANK APPARATUS

#182
20100206816
2010-08-19

Separating sand from fluids produced by a well

#183
20100145082
2010-06-10

Method for processing coalescence-inhibited emulsions from whole-cell biotransformations with compressed or supercritical gases

#184
20100072130
2010-03-25

Contaminated inflow treatment with membrane distillation bioreactor

#185
20100012557
2010-01-21

SEPTIC TANK WASTEWATER TREATMENT SYSTEM

#186
20090314726
2009-12-24

Waste concrete and aggregate reclaimer

#187
20090314699
2009-12-24

Water Purification Apparatus

#188
20090301948
2009-12-10

System for treating wastewater

#189
20090289002
2009-11-26

Combined degassing and floatation tank

#190
20090261044
2009-10-22

ENVIRONMENTAL MONITORING AND CONTROL SYSTEM AND METHOD

#191
20090223902
2009-09-10

Centralized Liquid Waste Treatment System and Method

#192
20090184055
2009-07-23

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

#193
20090175776
2009-07-09

Fine powder of single crystalline diamond particles and a method for the production thereof

#194
20090166296
2009-07-02

WASTEWATER TREATMENT PLANT

#195
20090152213
2009-06-18

Separating sand from fluids produced by a well

#196
20090127180
2009-05-21

Apparatus for combining solids thickening and dewatering in one vessel

#197
20090078650
2009-03-26

Device for thickening sludge carried along in waste water

#198
20090039001
2009-02-12

ENHANCED SEPARATION TANK WITH pH CONTROL

#199
20090032448
2009-02-05

Solid Separating Apparatus, Compact Assembly, And Separating Method

#200
20090008837
2009-01-08

BLOW MOLDED SEPTIC TANK METHOD OF MANUFACTURE

#201
20080251437
2008-10-16

Installation for the mechanical purification of liquids, and method for separating suspended matter

#202
20080203037
2008-08-28

Passive grease trap using separator technology

#203
20080184615
2008-08-07

Processing paint sludge to produce a combustible fuel product

#204
20080173334
2008-07-24

Vessel and methods for calibrating, cleaning or removing an implement located in such a vessel or inserting an implement into such a vessel

#205
20080087607
2008-04-17

Effluent Treatment Installation And Clarification And Filtration Method Using Same

#206
20080061003
2008-03-13

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

#207
20080053883
2008-03-06

Amalgam separator

#208
20080041778
2008-02-21

Portable tank apparatus and method of use

#209
20080023384
2008-01-31

Self-powered settling and evaporation tank apparatus

#210
20080006566
2008-01-10

Fluid remediation system

#211
20070289632
2007-12-20

Centrifugal separator for mixtures in a liquid or gaseous medium

#212
20070251879
2007-11-01

Passive grease trap using separator technology

#213
20070246414
2007-10-25

Water treatment apparatus and method

#214
20070241038
2007-10-18

Fluid remediation system

#215
20070235393
2007-10-11

Pre-cast drive down water separation pit system

#216
20070227986
2007-10-04

Device for collecting clarified water for a basin and corresponding basin

#217
20070187342
2007-08-16

BACKWASH TANK AND PROCESS

#218
20070181262
2007-08-09

Settling and evaporation tank apparatus, method and system

#219
20070158248
2007-07-12

STORM WATER SEPARATOR SYSTEM

#220
20070119775
2007-05-31

Grit trap

#221
20070119764
2007-05-31

Enhanced separation tank with pH control

#222
20070114184
2007-05-24

Method for treating wastewater

#223
20070108122
2007-05-17

Hydrodynamic treatment device

#224
20070102332
2007-05-10

Multi-stage water purification device

#225
20070095749
2007-05-03

Refuse/oil removing device and refuse/oil recovery bag

#226
20070090025
2007-04-26

Bitumen recovery process for oil sand

#227
20070080110
2007-04-12

BLOW MOLDED SEPTIC TANK COVER

#228
20070075024
2007-04-05

Advanced gravity sedimentation system and method

#229
20070068878
2007-03-29

Stormwater treatment apparatus and method

#230
20070012605
2007-01-18

Self-propelled Apparatus for Cleaning A Water Treatment Tank

#231
20070012597
2007-01-18

Process and apparatus for filtering metal working fluid containing metal fines

#232
20060283814
2006-12-21

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

#233
20060283804
2006-12-21

Combined degassing and flotation tank

#234
20060243677
2006-11-02

Manure separator

#235
20060237362
2006-10-26

Wastewater solids strainer apparatus for plumbing drain systems in commercial kitchen facilities

#236
20060231489
2006-10-19

Apparatus and method for performing tertiary treatment of sewage based on porous filtering media

#237
20060226091
2006-10-12

Automatic tank cleaning system

#238
20060201892
2006-09-14

Dual stage centrifugal liquid-solids separator

#239
20060196827
2006-09-07

Septic tank

#240
20060186056
2006-08-24

Apparatus for separation of water from oil-based drilling fluid and advanced water treatment

#241
20060180507
2006-08-17

Method for reclaiming concrete

#242
20060175240
2006-08-10

Portable tank apparatus and method of use

#243
20060171785
2006-08-03

Sediment control

#244
20060162195
2006-07-27

System and method of dewatering dredge spoils using sloping drain barge

#245
20060151367
2006-07-13

Air activated decanter

#246
20060115420
2006-06-01

Process for extracting and purifying naturally occuring zeolite

#247
20060115419
2006-06-01

Process for extracting and purifying naturally occurring zeolite

#248
20060115418
2006-06-01

Process for extracting and purifying naturally occurring zeolite

#249
20060102526
2006-05-18

Process for extracting and purifying naturally occurring zeolite

#250
20060091072
2006-05-04

Sedimentation removal assembly for flow-through sedimentary tank

#251
20060086676
2006-04-27

Settling tank and method for separating a solids containing material

#252
20060065594
2006-03-30

Dental amalgam separator

#253
20060054548
2006-03-16

Air activated decanter

#254
20060049120
2006-03-09

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

#255
20060011537
2006-01-19

Septic tank free from dung-sucking operation

#256
20060006114
2006-01-12

Process for combining solids thickening and dewatering in one vessel

#257
20050279719
2005-12-22

Collection of sludge from the floor of a basin with multiple balanced-flow headers

#258
20050279718
2005-12-22

Glycerine foots salt separation system

#259
20050279701
2005-12-22

Apparatus for collecting sludge from the floor of a settler basin

#260
20050274651
2005-12-15

Method and apparatus for separating mixed plastics using flotation techniques

#261
20050252868
2005-11-17

Inlet structure for clarifiers

#262
20050211607
2005-09-29

Sedimentation basin

#263
20050205477
2005-09-22

Automatic tank cleaning system

#264
20050178721
2005-08-18

Blow molded septic tank and method of manufacture

#265
20050150822
2005-07-14

Device for shear-thinning of solids containing material

#266
20050145562
2005-07-07

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

#267
20050145555
2005-07-07

Apparatus for separating particulates from a fluid stream

#268
20050125936
2005-06-16

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