Patents-Review.com
ClassID:

28799 ⎘

B01D21/2461 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation; Feed or discharge mechanisms for settling tanks; Discharge mechanisms for the sediments Positive-displacement pumps; Screw feeders; Trough conveyors

Recent Application in this class:
#1
20250276259
2025-09-04

Improved Sedimentation Tower

 #2
20250256221
2025-08-14

NEUTRALIZATION/WATER SEPARATION TANK FOR ESTERIFIED PRODUCT AND NEUTRALIZATION/WATER SEPARATION METHOD FOR ESTERIFIED PRODUCT

 #3
20250041775
2025-02-06

WATER RECOVERY SYSTEMS AND METHODS

 #4
20230330566
2023-10-19

Pinch valve for soil extrusion system

 #5
20230241532
2023-08-03

NUTRIENT CONCENTRATION AND WATER RECOVERY SYSTEM AND ASSOCIATED METHODS

 #6
20230035513
2023-02-02

Fluid Treatment Systems And Methods

 #7
20220362821
2022-11-17

ORGANIC WASTE TREATMENT

 #8
20220193574
2022-06-23

NEUTRALIZATION/WATER SEPARATION TANK FOR ESTERIFIED PRODUCT AND NEUTRALIZATION/WATER SEPARATION METHOD FOR ESTERIFIED PRODUCT

 #9
20220177407
2022-06-09

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

 #10
20220062796
2022-03-03

Multiphase separation and pressure letdown method

 #11
20220041976
2022-02-10

SEPARATION DEVICES, ASSOCIATED METHODS, AND SYSTEMS

 #12
20210394088
2021-12-23

Wastewater dissolved-air floatation apparatus combined with precipitation tank having sloped plates

 #13
20210387108
2021-12-16

System for simultaneous recovery of purified water and dissolved solids from impure high TDS water

 #14
20210331092
2021-10-28

Dynamic plate pack for soil extrusion system

 #15
20210252430
2021-08-19

METHOD AND SYSTEM FOR EVACUATING AGGREGATES ACCUMULATED IN THE BOTTOM OF A TANK OF A DESALTER OR A DESANDER

 #16
20210236965
2021-08-05

Separation device and method to separate contaminants from contaminated water

 #17
20210131202
2021-05-06

Internally heated screws

 #18
20210114927
2021-04-22

Fine grit classifier

 #19
20210087896
2021-03-25

Solids and liquids management system and apparatus for oil and gas well drilling

 #20
20210087095
2021-03-25

Screw type separation device and wastewater treatment system

 #21
20200208477
2020-07-02

Electro-separation cell with solids removal

 #22
20200140303
2020-05-07

CAGE PARTICLE DISTRIBUTION SYSTEM FOR WASTEWATER TREATMENT

 #23
20200101403
2020-04-02

Separator system and method

 #24
20200101401
2020-04-02

Sediment capture syphon system and pump

 #25
20200080047
2020-03-12

Separation devices, associated methods, and systems

 #26
20200023293
2020-01-23

NUTRIENT CONCENTRATION AND WATER RECOVERY SYSTEM AND ASSOCIATED METHODS

 #27
20190291025
2019-09-26

APPARATUS AND METHOD FOR TREATING SLURRIES

 #28
20190201814
2019-07-04

Dynamic plate pack for soil extrusion system

 #29
20190192999
2019-06-27

Method for solid-liquid separations

 #30
20190060794
2019-02-28

Transportable separation and monitoring apparatus with auger

 #31
20180290901
2018-10-11

CAGE PARTICLE DISTRIBUTION SYSTEM FOR WASTEWATER TREATMENT

 #32
20180258749
2018-09-13

System and method for system and method for a turbomachine multiphase hyrdrocarbon pump having an auger coupling

 #33
20180193773
2018-07-12

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

 #34
20180117503
2018-05-03

Gas-tight low gravity separation device

 #35
20180099890
2018-04-12

Automated wastewater treatment system and methods

 #36
20180079671
2018-03-22

Ecological biowater purification system

 #37
20180028941
2018-02-01

Liquid refinement

 #38
20180003022
2018-01-04

System and method for a multiphase hydrocarbon pump having an auger coupling

 #39
20170259193
2017-09-14

Extrusion system and method for separating soil from water

 #40
20170253495
2017-09-07

Method and apparatus for filtration of lime-treated water

 #41
20170252675
2017-09-07

Sludge extraction apparatus and method

 #42
20170252674
2017-09-07

BACKFLOW COLLECTION SYSTEM AND METHOD FOR RECLAIMING THE SAME

 #43
20170240816
2017-08-24

SEPARATION OF HYDROCARBONS FROM INORGANIC MATERIAL

 #44
20170209818
2017-07-27

Systems and Methods for Extracting Sand from Raw Slurry Material

 #45
20170209814
2017-07-27

System and method for treating liquids and solutions to remove and/or separate components thereof using stabilized gas infused liquids

 #46
20170145802
2017-05-25

Backflow collection system and method for reclaiming the same

 #47
20170144086
2017-05-25

Vertical separator for the treatment of slurry

 #48
20160256799
2016-09-08

Backflow collection system and method for reclaiming the same

 #49
20160075583
2016-03-17

Solids removal system and method

 #50
20160001202
2016-01-07

Remote submerged chain conveyor

 #51
20150352467
2015-12-10

Remote submerged chain conveyor

 #52
20150343344
2015-12-03

Cleaning systems and methods for rotary screen separators

 #53
20150122747
2015-05-07

Systems and methods for extracting particulate from raw slurry material

 #54
20150083672
2015-03-26

Systems and methods for extracting sand from raw slurry material

 #55
20150027963
2015-01-29

Apparatus and method for treating slurries

 #56
20140346123
2014-11-27

Sedimentation device for separating a material mix and method for removing sediment from a sedimentation device

 #57
20140083957
2014-03-27

Systems and methods for extracting sand from raw slurry material

 #58
20140083955
2014-03-27

Apparatus for treating waste water

 #59
20140041868
2014-02-13

Method and apparatus for drilling and completion fluid separation

 #60
20130220891
2013-08-29

Apparatus and methods for removing hydrocarbons and other adherents from sand

 #61
20130206707
2013-08-15

Apparatus and method for refining a process liquor by gravity settling

 #62
20130186622
2013-07-25

Backflow collection system and method for reclaiming the same

 #63
20130153396
2013-06-20

Purification of a fluid for example water after fracturing

 #64
20130126448
2013-05-23

Solids removal system and method

 #65
20120325754
2012-12-27

Method and apparatus for filtration of lime-treated water

 #66
20120318583
2012-12-20

CUTTING WASH APPARATUS AND METHOD

 #67
20120312755
2012-12-13

MOBILE CLARIFIER AND SLUDGE DEWATERING SYSTEM FOR ONSITE WASTE WATER TREATMENT

 #68
20120312339
2012-12-13

Clarifier tank sludge removal apparatus

 #69
20120138515
2012-06-07

Systems and methods for extracting particulate from raw slurry material

 #70
20120006762
2012-01-12

Solids removal system and method

 #71
20110278239
2011-11-17

Apparatus and method for removing impurities from water or wastewater

 #72
20110265993
2011-11-03

SAND DECANTER

 #73
20110192771
2011-08-11

Solid-liquid separator with self-priming pump

 #74
20110186528
2011-08-04

Grit removing device, grit removing system and a method for the same

 #75
20110100930
2011-05-05

Systems and methods for extracting sand from raw slurry material

 #76
20110008505
2011-01-13

Methods for separating fat from a material containing fat

 #77
20100294317
2010-11-25

Separation vessel for solids removal

 #78
20100147779
2010-06-17

Method and apparatus for treating drilling fluid

 #79
20100102005
2010-04-29

Dewatering facility

 #80
20090223902
2009-09-10

Centralized Liquid Waste Treatment System and Method

 #81
20090095672
2009-04-16

High efficiency grit removal system

 #82
20080251437
2008-10-16

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

 #83
20080185324
2008-08-07

Method and apparatus for treating lime slurry for grit removal

 #84
20080111096
2008-05-15

COMPOSITION FOR EXTRACTING CRUDE OIL FROM TAR SANDS

 #85
20080110417
2008-05-15

Submerged combustion disposal of produced water

 #86
20080093281
2008-04-24

Clarifying tank

 #87
20080041774
2008-02-21

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

 #88
20070187330
2007-08-16

Dewatering process

 #89
20070108406
2007-05-17

Wet-mechanical treatment of mixed waste

 #90
20070108104
2007-05-17

Vibratory separators and operations

 #91
20070108103
2007-05-17

Vibratory separators and operations

 #92
20070075024
2007-04-05

Advanced gravity sedimentation system and method

 #93
20070045202
2007-03-01

Apparatus for production, withdrawal and transfer of highly viscous slurry

 #94
20070028963
2007-02-08

High viscosity fluid transfer apparatus

 #95
20060273051
2006-12-07

Oil-based sludge separation and treatment system

 #96
20060273047
2006-12-07

Filtration of vegetable slurries

 #97
20060243677
2006-11-02

Manure separator

 #98
20060231511
2006-10-19

Method and apparatus for treating lime slurry for grit removal

 #99
20060231507
2006-10-19

Method and apparatus for treating lime slurry for grit removal

 #100
20060096935
2006-05-11

Method and apparatus for removing cuttings from drilling fluids

 #101
20060060543
2006-03-23

System and method for the removal of particulates from water

 #102
20060049120
2006-03-09

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

 #103
20050279715
2005-12-22

Thermal drill cuttings treatment with weir system

 #104
20050161372
2005-07-28

Petroleum recovery and cleaning system and process

 #105
20050061715
2005-03-24

Apparatus for separating organic material from inorganic material

 #106
20050045546
2005-03-03

Sand catcher

 #107
20050042346
2005-02-24

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

 #108
20050040119
2005-02-24

System for separating solids from a fluid stream

 #109
20050040027
2005-02-24

Clarifying tank

 #110
20050035056
2005-02-17

Grit removal assemblies

 #111
20050006321
2005-01-13

Fluidized solids removal with pulsation

 #112
20050005950
2005-01-13

Method for removing blast media and colored residues comprising an aqueous slurry suspension

 #113
17582909
2024-12-17

Centrifugal sand drying system and method of use

 #114
17378355
2024-08-20

Sand drying system and method of use

 #115
17082891
2022-01-11

System for separating solids from a fluid stream

 #116
17082809
2022-01-11

System for separating solids from a fluid stream

 #117
16734559
2021-06-22

Flow back separation system with dispersing device

 #118
16454140
2020-08-25

Sludge collection system for a clarifier

 #119
16229324
2020-09-15

Air drilling solids control system and method

 #120
16227417
2020-08-25

Flow back separation system and method

 #121
16131900
2020-12-08

System for separating solids from a fluid stream

 #122
15973731
2018-08-21

Device for separating water from sludge

 #123
15488443
2019-09-03

Dual phase sand and water separator system and method of use

 #124
15049416
2016-06-21

Transportable separator for separating particulate matter from a mixture containing oil, water, and particulate matter