ClassID:

28682

B01D17/0205 - CPC Classification

Classification description:

Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion; Separation of non-miscible liquids by gas bubbles or moving solids

Recent Application in this class:
#1
20260060280
2026-03-05

FRACTIONATED STILLAGE PROCESSING

#2
20260048359
2026-02-19

SEPARATION METHOD AND SEPARATION APPARATUS FOR CO2-CONTAINING PHASE CHANGE SOLUTION

#3
20250387732
2025-12-25

FLUID TREATMENT SYSTEM, SEPARATOR AND METHOD USING A MAGNETIC FIELD

#4
20250339790
2025-11-06

NANOGAS SHEAR PROCESSING

#5
20250302069
2025-10-02

SINGLE CELL PROTEIN PROCESS AND PRODUCT- OXYGEN FREE

#6
20250281951
2025-09-11

PROCESS FOR CLEANING OIL TANKS AND VESSELS BY TREATING THE FLOTATION GENERATED RESIDUES AND REUSING WASHING WATER

#7
20250214277
2025-07-03

Water and Quality Management of Oil-Based Wood Preservatives

#8
20250115504
2025-04-10

SYSTEM FOR TREATING PRODUCED WATER RESULTING FROM OIL EXTRACTION AND PNEUMATIC FLOCCULATION METHOD BY INJECTION OF INERT GAS INTO HEAT EXCHANGERS

#9
20250059069
2025-02-20

Vertical Compact Flotation Unit with Air Stripping Enhanced Shallow Sedimentation Effect of Spiral Fins

#10
20250058250
2025-02-20

Concentric Sloping Plate Enhanced Vertical Compact Flotation Unit

#11
20250001327
2025-01-02

WATER EMULSIONS SEPARATION SYSTEM AND PROCESS

#12
20240417283
2024-12-19

WATER TREATMENT DEVICE BASED ON MICRO-NANO BUBBLE TECHNOLOGY

#13
20240246010
2024-07-25

METHOD AND SYSTEM FOR PURIFICATION OF OIL

#14
20240034660
2024-02-01

METHODS AND APPARATUS FOR TREATMENT AND PURIFICATION OF WASTEWATER

#15
20230398470
2023-12-14

A FOG (FATS, OIL, OR GREASE) SEPARATOR APPARATUS

#16
20230311065
2023-10-05

System and method for separating and recovering gas field chemicals from wastewater

#17
20230286832
2023-09-14

Utilizing concentrated solar power for water-oil separation

#18
20230227734
2023-07-20

Treatment of contaminated oil produced by oil and gas wells

#19
20230091750
2023-03-23

METHOD OF UTILIZING DISPERSANT CHEMICAL COMBINED WITH NANOBUBBLES AND AGITATION FOR ACCELERATED DEWATERING AND OIL STRIPPING OF TAILINGS

#20
20230089975
2023-03-23

Method and device for separating and measuring multiphase immiscible fluid mixtures

#21
20230089200
2023-03-23

Method and device for separating and measuring multiphase immiscible fluid mixtures using an improved analytical cell

#22
20220410036
2022-12-29

NANOGAS SHEAR PROCESSING

#23
20220403250
2022-12-22

TREATMENT OF HYDROCARBON-CONTAMINATED MATERIALS

#24
20220396502
2022-12-15

BUBBLE SIZE MONITORING AND CONTROL

#25
20220378065
2022-12-01

SINGLE CELL PROTEIN PROCESS AND PRODUCT

#26
20220356079
2022-11-10

SYSTEMS AND PROCESSES FOR INJECTING GAS-INFUSED ADDITIVES

#27
20220347599
2022-11-03

MOISTURE REMOVAL DEVICE USING ROTATING DISK AND NITROGEN PEELING

#28
20220248714
2022-08-11

SINGLE CELL PROTEIN PROCESS AND PRODUCT- OXYGEN FREE

#29
20220219099
2022-07-14

FLUID TREATMENT SYSTEM, SEPARATOR AND METHOD USING A MAGNETIC FIELD

#30
20220184529
2022-06-16

Steam co-injection for the reduction of heat exchange and furnace fouling

#31
20220183318
2022-06-16

Fractionated stillage separation

#32
20220106212
2022-04-07

System for industrial and hydrocarbon wastewater treatment

#33
20220065397
2022-03-03

Integrated system for online detection and automatic removal of water and particulate contaminants from turbine oil

#34
20220054956
2022-02-24

Fluid treatment separator and a system and method of treating fluid

#35
20220034863
2022-02-03

Online measurement of dispersed oil phase in produced water

#36
20220001332
2022-01-06

TUBULAR MEMBRANE WITH SPIRAL FLOW

#37
20210402329
2021-12-30

Liquid processing apparatus and liquid processing method

#38
20210363044
2021-11-25

Treating Water

#39
20210362075
2021-11-25

Methods and systems for enhanced dissolved gas floatation

#40
20210331959
2021-10-28

Integrated physical method oily sewage treatment device

#41
20210331090
2021-10-28

Dehydrating and degassing unit

#42
20210331087
2021-10-28

Oil droplet flotation unit with weirs and hydraulic means

#43
20210269346
2021-09-02

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

#44
20210213374
2021-07-15

Separation tank for sand, oil and water

#45
20210163326
2021-06-03

Intelligent oil sludge treatment apparatuses and treatment processes

#46
20210146280
2021-05-20

Sand cleaning and disposal system and method

#47
20210093984
2021-04-01

SOLIDS SEPARATION AND RECOVERY SYSTEM

#48
20210046401
2021-02-18

Nanogas shear processing

#49
20210002560
2021-01-07

Treatment of contaminated oil produced by oil and gas wells

#50
20200361788
2020-11-19

METHOD FOR TREATING BY FLOTATION AN AQUEOUS SOLUTION FROM A PETROLEUM PRODUCTION

#51
20200346140
2020-11-05

Multiphase separator, and method of separating a multiphase fluid

#52
20200308948
2020-10-01

Oil, water, gas and solid particle separation in oil and/or gas production

#53
20200289959
2020-09-17

Means of Affecting Separation

#54
20200277212
2020-09-03

BROWN GREASE TREATMENT AND DISPOSAL SYSTEM

#55
20200239335
2020-07-30

Water treating equipment providing coalescence and flotation within a single vessel

#56
20200216760
2020-07-09

Integrated waste conversion system and method

#57
20200188815
2020-06-18

Animal byproduct recovery system

#58
20200139269
2020-05-07

Fractionated stillage separation and feed products

#59
20200139266
2020-05-07

Subsea processing of crude oil

#60
20200128855
2020-04-30

Fractionated stillage separation and feed products

#61
20200113209
2020-04-16

Fractionated stillage separation and feed products

#62
20200113207
2020-04-16

Single cell protein process and product

#63
20200109065
2020-04-09

Production of ultra-high-density brines using transiently-operated desalination systems

#64
20200094166
2020-03-26

Coalescing media product and method

#65
20200072031
2020-03-05

System and method of performing oil displacement by water-gas dispersion system

#66
20200071216
2020-03-05

Method for liquid purification by hydrodynamic cavitation and device for carrying out said method

#67
20190352202
2019-11-21

Method of removing hydrocarbons from produced water

#68
20190315635
2019-10-17

Method and system for de-oiling a feed of oil and water

#69
20190224593
2019-07-25

SEPARATION VESSEL WITH ENHANCED PARTICULATE REMOVAL

#70
20190153836
2019-05-23

Processing of oil by steam addition

#71
20190153835
2019-05-23

Processing of oil by steam addition

#72
20190134536
2019-05-09

Liquid container monitoring and filtration system

#73
20190105581
2019-04-11

Mass transfer processes with limited sensible heat exchange

#74
20190091607
2019-03-28

Secondary-phase separation apparatus and a method thereof

#75
20190083904
2019-03-21

Apparatus and Method for Separation of Oil From Oil-Containing Produced Water

#76
20190063203
2019-02-28

Oil, water, gas and solid particle separation in oil and/or gas production

#77
20190002306
2019-01-03

Production of ultra-high-density brines using transiently-operated desalination systems

#78
20180345210
2018-12-06

Deodorizing apparatus and deodorizing method

#79
20180326325
2018-11-15

Mixed density fluid separator

#80
20180244539
2018-08-30

BUBBLE SIZE MONITORING AND CONTROL

#81
20180128250
2018-05-10

Combined electrical and thermal renewable/conventional energy storage and on-demand hydro-osmotic power generation methods and systems

#82
20180127288
2018-05-10

Gas flotation tank

#83
20180111848
2018-04-26

Compact floatation unit

#84
20180065090
2018-03-08

Tubular membrane with spiral flow

#85
20180022617
2018-01-25

Recovery of valuable resources from produced water and coal combustion products

#86
20180002212
2018-01-04

Treating water

#87
20180001328
2018-01-04

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

#88
20170348615
2017-12-07

Method for conditioning and processing whole or thin stillage to aid in the separation and recovery of protein and oil fractions

#89
20170282093
2017-10-05

Evaporation system, evaporation method, and sealing system

#90
20170275185
2017-09-28

Hydrocarbon-water separator

#91
20170267548
2017-09-21

Pressure controlled gas flotation

#92
20170209814
2017-07-27

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

#93
20170081214
2017-03-23

Water treating equipment providing coalescence and flotation within a single vessel

#94
20170066896
2017-03-09

Capillary foams, methods of making thereof, and uses thereof including for mitigation of oil spills

#95
20170009561
2017-01-12

Hybrid solar thermal enhanced oil recovery system with oxy-fuel combustor

#96
20160303492
2016-10-20

Compact flotation unit having multiple vanes disposed around a cylinder used for waste collection

#97
20160271512
2016-09-22

Apparatus for dewatering fluids

#98
20160214033
2016-07-28

Gas flotation tank

#99
20160207791
2016-07-21

Water treatment system for treating water from oil production streams

#100
20160101993
2016-04-14

Filter system for removing and/or neutralizing undissolved oils, greases, and salts and/or metal abrasion debris on and in emulsions containing water

#101
20160096122
2016-04-07

Continuous evaporative concentration of used drilling muds

#102
20160039684
2016-02-11

Water treating equipment providing coalescence and flotation within a single vessel

#103
20160038855
2016-02-11

Phase separation tank

#104
20160009571
2016-01-14

Micro-bubble induced gas flotation cell and method of operating same

#105
20160009569
2016-01-14

Cleaning of oleaginous water III

#106
20160008738
2016-01-14

Cleaning of oleaginous water III

#107
20150336028
2015-11-26

Mass transfer processes with limited sensible heat exchange

#108
20150273374
2015-10-01

Centrifugal separator and method of separating liquids from gas

#109
20150225669
2015-08-13

Processes and systems for recovering oil from fermentation products

#110
20150076083
2015-03-19

Apparatus and method for separation of oil from oil-containing produced water

#111
20150041402
2015-02-12

Method and system for de-oiling a feed of oil and water

#112
20140346118
2014-11-27

Apparatus and method for separation of hydrocarbons from hydrocarbon-containing produced water

#113
20140326677
2014-11-06

Treatment of produced water

#114
20140158631
2014-06-12

SEPARATION OF NEUTRALLY BUOYANT MATERIALS FROM WATER

#115
20130319947
2013-12-05

Process and apparatus for purifying water

#116
20130270723
2013-10-17

Device for a cleaning unit for hydraulic oil and lubricating oil

#117
20130207283
2013-08-15

Flotation unit for purifying water, such as a CFU (compact flotation unit)

#118
20130175156
2013-07-11

Apparatus and method for recovering a hydrocarbon diluent from tailings

#119
20130075338
2013-03-28

Induced-Gas Flotation Cell with Horizontal Flow

#120
20130056429
2013-03-07

Device for separating fluid mixtures, in particular oil/water mixtures

#121
20120311884
2012-12-13

Apparatus and methods for separating volatiles from particulates

#122
20120298588
2012-11-29

REMOVAL OF CONTAMINANTS FROM WATER SYSTEMS

#123
20120285892
2012-11-15

Separation Process

#124
20120211445
2012-08-23

Method for continuous use of a vacuum-set water knock-out circuit integrated with a hydraulic oil reservoir

#125
20120152124
2012-06-21

Combined degassing and flotation tank

#126
20120132514
2012-05-31

Apparatus and method for recovering a hydrocarbon diluent from tailings

#127
20120125859
2012-05-24

Method for conditioning and processing whole or thin stillage to aid in the separation and recovery of protein and oil fractions

#128
20120067739
2012-03-22

COLLOID DECOMPOSITION METHOD AND APPARATUS FOR ELECTROCHEMICALLY RESOLVING EMULSIONS

#129
20120006201
2012-01-12

Separator tank for separation of fluid comprising water, oil and gas

#130
20110297620
2011-12-08

Method and device for converting horizontal tanks into gas flotation separators

#131
20110290738
2011-12-01

Cleaning of oleaginous water III

#132
20110284472
2011-11-24

WATER REDUCTION FOR COOKING GREASE AND OIL COLLECTION

#133
20110278202
2011-11-17

APPARATUS AND METHOD FOR RECOVERING A HYDROCARBON DILUENT FROM TAILINGS

#134
20110241230
2011-10-06

Nano-bubble generator and treatments

#135
20110174741
2011-07-21

Cyclonic separation system comprising gas injection means and method for separating a fluid mixture

#136
20110174693
2011-07-21

METHOD FOR SEPARATING OIL FROM WATER BY INJECTING SIMULTANEOUSLY A LIQUIFIED GAS INTO THE GRAVITY SEPARATION DEVICE

#137
20110114565
2011-05-19

Dissolved air flotation clarifier

#138
20110089013
2011-04-21

Apparatus of produced water treatment, system and method of using the apparatus, and method of water reuse by using the same

#139
20100320154
2010-12-23

Method and apparatus for separation of multiphase fluids, and applications thereof

#140
20100187186
2010-07-29

Systems and methods for liquid separation

#141
20100134576
2010-06-03

Flotation apparatus

#142
20100126925
2010-05-27

Flotation device

#143
20100059449
2010-03-11

Carbon coated magnetic nanoparticles and their use in separation processes

#144
20100043902
2010-02-25

Process and Apparatus for Enhanced Recovery of Oil From Oily Particulate Material

#145
20100006517
2010-01-14

Gravity separator, and a method for separating a mixture containing water, oil, and gas

#146
20100006488
2010-01-14

Well fluid separator tank for separation of fluid comprising water, oil and gas, use of such a tank, and a method for separating a well fluid including water, oil, and gas

#147
20090294375
2009-12-03

Fluid treatment apparatus

#148
20090289002
2009-11-26

Combined degassing and floatation tank

#149
20090260973
2009-10-22

Method and apparatus for treating a process volume with multiple electromagnetic generators

#150
20090211960
2009-08-27

Fluid treatment tank and a well fluid processing system comprising such a tank

#151
20090173232
2009-07-09

Separator tank for separation of fluid comprising water, oil and gas

#152
20090078559
2009-03-26

Method and apparatus for multiple resonant structure process and reaction chamber

#153
20090020458
2009-01-22

Recovery of tailings ponds

#154
20090008342
2009-01-08

Apparatus and method for separating immiscible fluid components

#155
20080105622
2008-05-08

COATED GAS BUBBLES FOR RECOVERY OF HYDROCARBON

#156
20070277967
2007-12-06

Separation Of Crude Oil At The Well Head

#157
20070256964
2007-11-08

Separator device

#158
20070221558
2007-09-27

Plant for purifying water contaminated by droplets of hydrocarbonaceous liquid

#159
20070125715
2007-06-07

Flotation separator

#160
20060283804
2006-12-21

Combined degassing and flotation tank

#161
20060213840
2006-09-28

Dual-cell mechanical flotation system with intermittent skimming

#162
20060096928
2006-05-11

Wastewater separator and method of using same

#163
20050258089
2005-11-24

Method for removing oil, fat and grease from water

#164
20050194323
2005-09-08

System and method for recovering oil from a waste stream

#165
20050161372
2005-07-28

Petroleum recovery and cleaning system and process

#166
20050145576
2005-07-07

Removal of particulate contamination from operating machinery

#167
20050121375
2005-06-09

Mixed immiscible liquids vacuum, separation, and disposal method and system (Mod 1)

#168
20050045546
2005-03-03

Sand catcher

#169
20050016380
2005-01-27

Ultrasonic solution separator

#170
15341922
2017-08-15

Separation of components from whole stillage

#171
14268134
2015-10-27

Method of stripping crude oil and hydraulic fracturing fluids from water using a gas sparged hydrocyclone

#172
13208852
2015-08-04

Method and apparatus for separation of fluids within a single vessel