ClassID:

28749

B01D21/0024 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation Inlets or outlets provided with regulating devices, e.g. valves, flaps

Recent Application in this class:
#1
20260061342
2026-03-05

MAINTENANCE OF HYDRODYNAMIC SEPARATORS

#2
20250262568
2025-08-21

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

#3
20250032957
2025-01-30

FRACTIONATOR ANNULAR DRAIN APPARATUS AND METHOD

#4
20240359115
2024-10-31

SAND REMOVAL DEVICE FOR COOLING TOWER AND COOLING TOWER STRUCTURE

#5
20240327251
2024-10-03

PASSIVE GRAVITY FILTER CELL AND METHODS OF USE THEREOF

#6
20240325945
2024-10-03

Method For Combined Hydrocracking of Heavy Petroleum Feedstock, Comprising The Separation of a Spent Additive From Unconverted Hydrocracking Residue and Its Drying

#7
20240216836
2024-07-04

SLUDGE SEPARATOR

#8
20240093587
2024-03-21

Particle Trap Apparatus and Method

#9
20230405495
2023-12-21

Filter Containing Flow Disrupter

#10
20230338967
2023-10-26

Particle separation apparatus

#11
20230330566
2023-10-19

Pinch valve for soil extrusion system

#12
20230330565
2023-10-19

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

#13
20230311027
2023-10-05

SYSTEM FOR REMOVING SOLIDS FROM A SEPARATOR AND METHOD THEREFOR

#14
20230114788
2023-04-13

Fractionator annular drain apparatus and method

#15
20230016056
2023-01-19

Multi-level outlet weir for enhanced volumetric separation for stormwater treatment

#16
20220411291
2022-12-29

Hydrophilicity-based water purification systems

#17
20220395768
2022-12-15

MAINTENANCE OF HYDRODYNAMIC SEPARATORS

#18
20220379240
2022-12-01

Passive gravity filter cell and methods of use thereof

#19
20220331714
2022-10-20

Particle trap apparatus and method

#20
20220186486
2022-06-16

HYDRODYNAMIC SEPARATOR FOR STORMWATER TREATMENT

#21
20220152529
2022-05-19

Immersed active infrared self-cleaning secondary sedimentation tank sludge blanket induction device and application method thereof

#22
20220047968
2022-02-17

Fractionator annular drain apparatus and method

#23
20220001305
2022-01-06

Method and apparatus for reducing the water content of waste water sludge

#24
20210404169
2021-12-30

Volume controlled hydrodynamic separator for stormwater treatment

#25
20210339172
2021-11-04

Thickener feed distributor

#26
20210331092
2021-10-28

Dynamic plate pack for soil extrusion system

#27
20210268407
2021-09-02

Spring filter system

#28
20210239247
2021-08-05

Flow control cartridge

#29
20210146298
2021-05-20

Flue gas cleaning solution purification system and method thereof

#30
20210140013
2021-05-13

Method for recovering an acid or base

#31
20210077923
2021-03-18

Systems and processes for automated sand separation

#32
20210017041
2021-01-21

Multi-level outlet weir for enhanced volumetric separation for stormwater treatment

#33
20200376412
2020-12-03

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

#34
20200324323
2020-10-15

Solids washing in oil and/or gas production

#35
20200215462
2020-07-09

Thickener feed distributor

#36
20200164288
2020-05-28

Water treatment apparatus and method of use

#37
20200156974
2020-05-21

Device and method for installing aerobic three-phase separator without interruption of production

#38
20200108335
2020-04-09

Centrifugal fuel purifying apparatus

#39
20200095145
2020-03-26

Waste water treatment plant

#40
20200061497
2020-02-27

Compact, inflatable, snorkel-float apparatus and method

#41
20200054969
2020-02-20

Settling tank and methods for guiding partial flows in the inflow area of settling tanks

#42
20190381427
2019-12-19

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

#43
20190330836
2019-10-31

Hydrodynamic separator for stormwater treatment

#44
20190201814
2019-07-04

Dynamic plate pack for soil extrusion system

#45
20190192998
2019-06-27

Vessel and method for solid-liquid separation

#46
20190126168
2019-05-02

Fractionator annular drain apparatus and method

#47
20190078310
2019-03-14

Hydrodynamic separator for stormwater treatment

#48
20190070526
2019-03-07

Waste disposal methods

#49
20180250614
2018-09-06

Waste disposal methods

#50
20180250613
2018-09-06

Waste disposal systems

#51
20180250612
2018-09-06

Waste disposal methods

#52
20180243668
2018-08-30

Thickener feed distributor

#53
20180236381
2018-08-23

IFS AND GRIT BOX FOR WATER CLARIFICATION SYSTEMS

#54
20180133623
2018-05-17

Dual chamber horizontal vessel

#55
20180133622
2018-05-17

Thickener Feed Dilution System

#56
20180111064
2018-04-26

System and method for separation of suspended solids from waste fluid

#57
20180104624
2018-04-19

Device to separate water and solids of spray water in a continuous caster, and method to monitor and control corrosion background

#58
20180104622
2018-04-19

Waste disposal systems and methods

#59
20180028943
2018-02-01

Foreign substance removal apparatus, circulation system and vehicle cooling system

#60
20180028941
2018-02-01

Liquid refinement

#61
20180021704
2018-01-25

Filter apparatus

#62
20180001328
2018-01-04

Microflotation system having an expansion valve assembly and method for operating a microflotation system

#63
20170274300
2017-09-28

Dirt Separator

#64
20170259193
2017-09-14

Extrusion system and method for separating soil from water

#65
20170189833
2017-07-06

PRP extraction kit

#66
20170182434
2017-06-29

Fluid removal apparatus for use with a weir tank

#67
20170081426
2017-03-23

Starch settling recovery system

#68
20170056787
2017-03-02

Fractionator annular drain apparatus and method

#69
20170022585
2017-01-26

Uranium extraction plant, uranium recovery, and acid or base recovery

#70
20160376183
2016-12-29

Method and Apparatus for Dewatering of a Flocculated Mass

#71
20160361669
2016-12-15

SLUDGE DISCHARGING DEVICE FOR SETTLEMENT BASIN

#72
20160303494
2016-10-20

LIQUID RECOVERY UNIT

#73
20160288022
2016-10-06

SYSTEM FOR PROCESSING WASTE WATER

#74
20160288021
2016-10-06

SYSTEM FOR PROCESSING FOOD PROCESS WASTE WATER INCLUDING PURIFICATION AND OPTIONAL RECYCLING OF PURIFIED WASTE WATER

#75
20160271527
2016-09-22

Thickener feed distributor

#76
20160263587
2016-09-15

Vortex-type grit chamber

#77
20160129373
2016-05-12

System and method to process effluent brine and interface rag from an oil dehydration/desalting system

#78
20160102452
2016-04-14

Apparatus and method for separating a liquid from other substances

#79
20160075583
2016-03-17

Solids removal system and method

#80
20160008744
2016-01-14

IFS AND GRIT BOX FOR WATER CLARIFICATION SYSTEMS

#81
20150083648
2015-03-26

System to process effluent brine and interface rag from an oil dehydration/desalting system

#82
20140345727
2014-11-27

AUTOMATED DUMP SYSTEM FOR SOLID SEPARATOR

#83
20140326684
2014-11-06

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

#84
20140124436
2014-05-08

Vortex-type grit chamber

#85
20130264278
2013-10-10

Solid settling tank

#86
20130256243
2013-10-03

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

#87
20130129548
2013-05-23

Two-stage medium-pressure screw-type air compressor set

#88
20130126448
2013-05-23

Solids removal system and method

#89
20130118616
2013-05-16

Apparatus and method for removing materials from a material collection container

#90
20130087515
2013-04-11

Sediment removal tank and system

#91
20130082005
2013-04-04

Method to process effluent brine and interface rag from an oil dehydration/desalting system

#92
20130015123
2013-01-17

Baffle chamber draining valve

#93
20120012540
2012-01-19

GRIT REMOVAL SYSTEM

#94
20120006762
2012-01-12

Solids removal system and method

#95
20110247987
2011-10-13

Method for thickening and thickening apparatus

#96
20110233144
2011-09-29

Solids removal system and method

#97
20110192771
2011-08-11

Solid-liquid separator with self-priming pump

#98
20090301966
2009-12-10

Method for purifying wastewater

#99
20090152214
2009-06-18

Particle-accelerating deposition and separation apparatus and method for turbid water

#100
20090095690
2009-04-16

SOLIDS REMOVAL SYSTEM AND METHOD

#101
20090050581
2009-02-26

DEVICE AND METHOD FOR PROCESSING BACKFLUSHED FLUID

#102
20080185325
2008-08-07

Pollutant Trap

#103
20080181828
2008-07-31

Ultrasound one-quarter wave separator integrates with sterile tubing kit - optical sensing / valves manage purity - lowers apheresis extra corporeal blood volume - replacement for centrifuge

#104
20080169237
2008-07-17

APPARATUS FOR SEPARATING SOLIDS FROM LIQUIDS

#105
20080087607
2008-04-17

Effluent Treatment Installation And Clarification And Filtration Method Using Same

#106
20080041774
2008-02-21

Grit chamber for wastewater treatment plant, capable of preventing sedimentation of organic material

#107
20070256964
2007-11-08

Separator device

#108
20070251650
2007-11-01

Treatment of spent caustic refinery effluents

#109
20070246431
2007-10-25

Method for concentrating solids from drilling slurry

#110
20070199903
2007-08-30

System For Removing Solids From Aqueous Solutions

#111
20070102332
2007-05-10

Multi-stage water purification device

#112
20070095032
2007-05-03

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

#113
20070068878
2007-03-29

Stormwater treatment apparatus and method

#114
20070017863
2007-01-25

Separation passageway module, separation unit, and separation boat for suspension separation

#115
20060243677
2006-11-02

Manure separator

#116
20060201892
2006-09-14

Dual stage centrifugal liquid-solids separator

#117
20060151367
2006-07-13

Air activated decanter

#118
20050279718
2005-12-22

Glycerine foots salt separation system

#119
20050247642
2005-11-10

Separating tank assembly and method of draining separating tank

#120
20050211607
2005-09-29

Sedimentation basin

#121
20050194322
2005-09-08

Apparatus and system for concentrating slurry solids

#122
20050011646
2005-01-20

Method and apparatus for collecting and then disposing sand contained in production fluid

#123
17449962
2023-06-27

Systems and processes for removing pollutants from water, reducing greenhouse gas emissions, and reducing aquatic ecosystem destruction

#124
17362234
2022-06-07

Sand discharge control system

#125
16428214
2024-01-16

Glycerin separation system and method of use

#126
15161736
2017-09-26

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