Patents-Review.com
ClassID:

28805 ⎘

B01D21/2494 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation; Feed or discharge mechanisms for settling tanks provided with means for the removal of gas, e.g. noxious gas, air

Recent Application in this class:
#1
20250277434
2025-09-04

Natural Gas Capture From a Well Stream

 #2
20250256223
2025-08-14

RESIDENTIAL HYDRONIC MAGNETIC, SEDIMENT, AND AIR SEPARATION DEVICE WITH MAINTENANCE INDICATOR

 #3
20250153075
2025-05-15

PROCESS FOR THE SEPARATION OF SMOKE

 #4
20250066232
2025-02-27

MULTI-STAGE WASHER INCLUDING A WATER TREATMENT SYSTEM

 #5
20240060412
2024-02-22

NATURAL GAS CAPTURE FROM A WELL STREAM

 #6
20240034660
2024-02-01

METHODS AND APPARATUS FOR TREATMENT AND PURIFICATION OF WASTEWATER

 #7
20230381689
2023-11-30

PHASE SEPARATOR WITH INTERLEAVED BAFFLES

 #8
20230193703
2023-06-22

SPHERICAL SAND SEPARATOR FOR PETROLEUM AND NATURAL GAS WELLS

 #9
20220062796
2022-03-03

Multiphase separation and pressure letdown method

 #10
20210291080
2021-09-23

Particle settling devices

 #11
20210269346
2021-09-02

Methods and apparatus for treatment and purification of oil and gas produced water

 #12
20210077922
2021-03-18

REMOVAL DEVICE

 #13
20210024373
2021-01-28

Waste liquid treating apparatus

 #14
20200377247
2020-12-03

Vacuum volume reduction system and method with fluid fill assembly for a vacuum tube vehicle station

 #15
20200141224
2020-05-07

Down-hole gas separation system

 #16
20200101403
2020-04-02

Separator system and method

 #17
20200047087
2020-02-13

Vented baffle for clarifier tank

 #18
20190359921
2019-11-28

Apparatus and method for treatment of wet organic matter to produce biogas

 #19
20190299128
2019-10-03

METHODS AND SYSTEMS FOR TREATING DRILLING FLUIDS

 #20
20190224593
2019-07-25

SEPARATION VESSEL WITH ENHANCED PARTICULATE REMOVAL

 #21
20190193882
2019-06-27

Vacuum volume reduction system for a vacuum tube vehicle station

 #22
20190010071
2019-01-10

Sludge dehydrator

 #23
20180282006
2018-10-04

Vacuum volume reduction system and method for a vacuum tube vehicle station

 #24
20180280836
2018-10-04

System for biological aerobic activated sludge process with hydrodynamic solid separation

 #25
20180243712
2018-08-30

PROCESS AND APPARATUS FOR SEPARATING PARTICLES OF A CERTAIN ORDER OF MAGNITUDE FROM A SUSPENSION

 #26
20180193773
2018-07-12

BACKFLOW COLLECTION SYSTEM INCLUDING A CONVEYOR AND METHOD FOR RECLAIMING THE SAME

 #27
20180179878
2018-06-28

Method and system for subsea separation of produced water

 #28
20180117499
2018-05-03

Removal device

 #29
20180073343
2018-03-15

Method and System for Subsea Purification of Produced Water From Subsea Oil Producing Installations

 #30
20180023379
2018-01-25

Down-hole gas separation system

 #31
20180015391
2018-01-18

Removal device for micro-bubbles and dirt particles

 #32
20180002614
2018-01-04

Separation vessel with enhanced particulate removal

 #33
20170284182
2017-10-05

Separator and Method of Separation

 #34
20170267561
2017-09-21

System and method for removing iron from waste water

 #35
20170254328
2017-09-07

Method for operating a multi-phase pump and apparatus therefor

 #36
20170252674
2017-09-07

BACKFLOW COLLECTION SYSTEM AND METHOD FOR RECLAIMING THE SAME

 #37
20170145802
2017-05-25

Backflow collection system and method for reclaiming the same

 #38
20170120165
2017-05-04

Separation of Drilling Fluid

 #39
20170073252
2017-03-16

Fracture Water Treatment Method and System

 #40
20170029291
2017-02-02

Method and device for treating liquid sludge and filter cakes obtained by said method

 #41
20170029289
2017-02-02

Fracture Water Treatment Method and System

 #42
20170022771
2017-01-26

Apparatus, system and method for separating components of a slurry

 #43
20170021288
2017-01-26

Fracture water treatment method and system

 #44
20170008782
2017-01-12

Fracture water treatment method and system

 #45
20160332172
2016-11-17

Hydronic air separator

 #46
20160310872
2016-10-27

FEEDWELL SYSTEM

 #47
20160281486
2016-09-29

Gas separators and related methods

 #48
20160256799
2016-09-08

Backflow collection system and method for reclaiming the same

 #49
20160096123
2016-04-07

Four phase vertical rotary separator

 #50
20160082377
2016-03-24

Desanding apparatus and a method of using same

 #51
20160075583
2016-03-17

Solids removal system and method

 #52
20160001201
2016-01-07

CONSTRUCTION SITE WATER TREATMENT SYSTEM AND METHODS

 #53
20150306523
2015-10-29

Separation vessel with enhanced particulate removal

 #54
20150241328
2015-08-27

Non-metallic debris monitoring system

 #55
20150226214
2015-08-13

Method for operating a multi-phase pump and apparatus therefor

 #56
20150174507
2015-06-25

Device for degassing liquids

 #57
20150090122
2015-04-02

Desanding apparatus and a method of using same

 #58
20140367346
2014-12-18

Reduced air hydrocyclone unit and fluid system and method

 #59
20140352538
2014-12-04

Spherical separation device and method for separation

 #60
20140345459
2014-11-27

Removal device

 #61
20140332451
2014-11-13

Fracture Water Treatment Method and System

 #62
20140216256
2014-08-07

Desanding apparatus and a method of using same

 #63
20140158364
2014-06-12

Separator and method of separation

 #64
20140054234
2014-02-27

Removal device for micro-bubbles and dirt particles

 #65
20140048495
2014-02-20

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

 #66
20140008293
2014-01-09

Feedwell system for a separation vessel

 #67
20130228075
2013-09-05

Multi-phase flow separation apparatus and system

 #68
20130206007
2013-08-15

Desanding apparatus and system

 #69
20130186622
2013-07-25

Backflow collection system and method for reclaiming the same

 #70
20130126448
2013-05-23

Solids removal system and method

 #71
20130098846
2013-04-25

Process, apparatus and system for treating a hydrocarbon feedstock

 #72
20130068699
2013-03-21

Construction site water treatment system and methods

 #73
20130062272
2013-03-14

Device for purifying oily wastewater

 #74
20130056427
2013-03-07

Multi-phase flow separation apparatus and system

 #75
20130037468
2013-02-14

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

 #76
20120247944
2012-10-04

Multi-layer steam grid for heat and mass transfer in a tailings solvent recovery unit

 #77
20120211436
2012-08-23

PROCESS, APPARATUS AND SYSTEM FOR TREATING A HYDROCARBON FEEDSTOCK

 #78
20120175318
2012-07-12

Removal device for micro-bubbles and dirt

 #79
20120152124
2012-06-21

Combined degassing and flotation tank

 #80
20120097039
2012-04-26

Phase separator

 #81
20120061334
2012-03-15

Settler with overflow recycle

 #82
20120048113
2012-03-01

System and method for multiphase pump lubrication

 #83
20120006762
2012-01-12

Solids removal system and method

 #84
20110233144
2011-09-29

Solids removal system and method

 #85
20110168021
2011-07-14

Settling device, purifier comprising a settling device and methods for anaerobic or aerobic purification of waste water

 #86
20110048233
2011-03-03

Three-phase cascade separator

 #87
20110008505
2011-01-13

Methods for separating fat from a material containing fat

 #88
20100294317
2010-11-25

Separation vessel for solids removal

 #89
20100236409
2010-09-23

Combined gas removal, dirt removal and contaminating liquid removal device

 #90
20100163473
2010-07-01

APPARATUS FOR WASTEWATER TREATMENT AND A PLANT EQUIPPED WITH SUCH AN APPARATUS

 #91
20100064893
2010-03-18

Separator and method of separation

 #92
20090289002
2009-11-26

Combined degassing and floatation tank

 #93
20090134095
2009-05-28

Process and apparatus for treating a heavy hydrocarbon feedstock

 #94
20090095690
2009-04-16

SOLIDS REMOVAL SYSTEM AND METHOD

 #95
20090078650
2009-03-26

Device for thickening sludge carried along in waste water

 #96
20090050560
2009-02-26

Anaerobic reactor for the removal of long chain fatty acids from fat containing wastewater

 #97
20080264840
2008-10-30

Fluids fluxion method and plant for wastewater treatment

 #98
20080093281
2008-04-24

Clarifying tank

 #99
20070290381
2007-12-20

Fluid Sparger and Dissipater

 #100
20070277967
2007-12-06

Separation Of Crude Oil At The Well Head

 #101
20070272617
2007-11-29

Sand and Animal Waste Separation System

 #102
20070221552
2007-09-27

System for Processing a Biomaterial Waste Stream

 #103
20070199903
2007-08-30

System For Removing Solids From Aqueous Solutions

 #104
20070125715
2007-06-07

Flotation separator

 #105
20070119775
2007-05-31

Grit trap

 #106
20060283804
2006-12-21

Combined degassing and flotation tank

 #107
20060201892
2006-09-14

Dual stage centrifugal liquid-solids separator

 #108
20060162561
2006-07-27

Gas liquid solid compact cyclonic separator

 #109
20060108273
2006-05-25

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

 #110
20050279718
2005-12-22

Glycerine foots salt separation system

 #111
20050218056
2005-10-06

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

 #112
20050155925
2005-07-21

Apparatus for removing air and/or debris from a flow of liquid

 #113
20050109715
2005-05-26

Method and apparatus for separating solids from a slurry

 #114
20050045546
2005-03-03

Sand catcher

 #115
20050042346
2005-02-24

Methods for separating tallow from boneless beef using liquid carbon dioxide and carbonic acid

 #116
20050040027
2005-02-24

Clarifying tank

 #117
20050016937
2005-01-27

Separator of floating components

 #118
20050016913
2005-01-27

Apparatus for separating amalgam

 #119
17821048
2023-05-02

Natural gas capture from a well stream

 #120
17082891
2022-01-11

System for separating solids from a fluid stream

 #121
17082809
2022-01-11

System for separating solids from a fluid stream

 #122
16529513
2021-11-16

Vertical gas diffusing device

 #123
16427858
2020-07-07

Systems, methods, and apparatus for separating fluid mixtures

 #124
16227417
2020-08-25

Flow back separation system and method

 #125
16131900
2020-12-08

System for separating solids from a fluid stream

 #126
15725548
2019-11-12

Systems and methods for purification of fats, oils, and grease from wastewater