ClassID:

28809

B01D21/267 - page 2 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation; Separation of sediment aided by centrifugal force or centripetal force by using a cyclone

Recent Application in this class:
#301
20140202026
2014-07-24

Bead collection device and method

#302
20140166576
2014-06-19

SYSTEM FOR AND METHOD OF SEPARATING OIL AND PARTICLES FROM PRODUCED WATER OR FRACTURING WATER

#303
20140165971
2014-06-19

Fuel-air separator and pulse dampener

#304
20140158364
2014-06-12

Separator and method of separation

#305
20140154641
2014-06-05

Separation, sedimentation and segregation chamber with dual pore-size filter

#306
20140151290
2014-06-05

Centrifugal separator

#307
20140124437
2014-05-08

Flow deflecting member for hydrocyclone

#308
20140124436
2014-05-08

Vortex-type grit chamber

#309
20140061141
2014-03-06

Flow development chamber and separator

#310
20140042083
2014-02-13

Multi-chambered hydroclone

#311
20140014278
2014-01-16

Liquid concentrator

#312
20140001117
2014-01-02

Joint support system for hydrocyclone liner

#313
20130319918
2013-12-05

Particle separation device

#314
20130299419
2013-11-14

Compacted hydrocyclone apparatus in vessels

#315
20130299405
2013-11-14

Dewatering system

#316
20130220938
2013-08-29

Stability control system for a hydrocyclone

#317
20130216401
2013-08-22

Pump device

#318
20130206178
2013-08-15

Low energy sweeper system

#319
20130175203
2013-07-11

Method for separating entrained catalyst and catalyst fines from slurry oil

#320
20130167883
2013-07-04

METHOD AND DEVICE TO ENABLE SEMICONDUCTOR PROCESSING IN SOLUTION THAT GENERATES PARTICLES

#321
20130134108
2013-05-30

Systems and methods for separating sand from oil

#322
20130133356
2013-05-30

Water purification apparatus and method

#323
20130118960
2013-05-16

Multi-cyclone sediment filter

#324
20130112598
2013-05-09

System and method for separating drill cuttings from drilling fluids

#325
20130105414
2013-05-02

Water filter

#326
20130092619
2013-04-18

Plant for treating drilling muds

#327
20130092599
2013-04-18

METHODS AND SYSTEMS FOR UPGRADING HYDROCARBON

#328
20130081302
2013-04-04

Processing apparatus and methods

#329
20130068704
2013-03-21

FUEL SYSTEM ICE SEPARATOR

#330
20130056410
2013-03-07

Water purifier

#331
20130055723
2013-03-07

Apparatus and method for separating ice from fuel in a gas turbine engine

#332
20130043185
2013-02-21

Whirlpool skimmer

#333
20130032531
2013-02-07

Contaminated water treatment system, method and apparatus

#334
20130008840
2013-01-10

Particle separator

#335
20120325738
2012-12-27

Centrifugal separator

#336
20120318583
2012-12-20

CUTTING WASH APPARATUS AND METHOD

#337
20120292264
2012-11-22

Device and method for removing suspended-material particles

#338
20120267308
2012-10-25

Recovery of retrograde soluble solute for forward osmosis water treatment

#339
20120267287
2012-10-25

Screening methods and apparatus

#340
20120241370
2012-09-27

CENTRIFUGAL FILTER

#341
20120227813
2012-09-13

Choke assembly

#342
20120187032
2012-07-26

Low energy centrifugal liquid-solid separator system

#343
20120138511
2012-06-07

System and method for the treatment of oil sands

#344
20120097616
2012-04-26

HYDROCYCLONE, SYSTEM AND METHOD FOR CLEANING CELLULOSE SUSPENSIONS

#345
20120073782
2012-03-29

WASTEWATER HEAT RECOVERY APPARATUS MONITORING SYSTEM

#346
20120048113
2012-03-01

System and method for multiphase pump lubrication

#347
20120010063
2012-01-12

Cleaning assembly for use in fluid filtration systems

#348
20110303622
2011-12-15

Apparatus and method for the treatment of oil, water, cuttings, sand, soil and clay mixtures

#349
20110192802
2011-08-11

Control method for hydrocarbon hydrocyclones

#350
20110192771
2011-08-11

Solid-liquid separator with self-priming pump

#351
20110174697
2011-07-21

Multiple flat disc type pump and hydrocyclone

#352
20110162833
2011-07-07

Downhole separator

#353
20110127198
2011-06-02

OIL SAND SLURRY SOLIDS REDUCTION TO ENHANCE EXTRACTION PERFORMANCE FOR PROBLEM ORES

#354
20110120959
2011-05-26

Hydroclone based fluid filtration system

#355
20110100923
2011-05-05

Particle separator

#356
20110094970
2011-04-28

System, methods, processes and apparatus for removing finely dispersed particulate matter from a fluid stream

#357
20110068063
2011-03-24

Apparatus for removing hydrocarbons and contaminates

#358
20110048458
2011-03-03

Device and method for filtering processing liquid in processing tank

#359
20110036239
2011-02-17

Sand separation system and method

#360
20110024370
2011-02-03

Cyclonic debris evacuation apparatus and method for a pump

#361
20110011796
2011-01-20

Compacted hydrocyclone apparatus in vessels

#362
20110005284
2011-01-13

Wastewater treatment system including irradiation of primary solids

#363
20100213110
2010-08-26

Oil-sludge filtration system with aeration pump

#364
20100193414
2010-08-05

Particle collector with weight measuring

#365
20100187186
2010-07-29

Systems and methods for liquid separation

#366
20100175869
2010-07-15

Downhole separator

#367
20100116753
2010-05-13

Dewatering system

#368
20100078371
2010-04-01

SEPARATOR

#369
20100064893
2010-03-18

Separator and method of separation

#370
20100051539
2010-03-04

Integrated system for a pressurized fluid generator and vortex separator

#371
20100038229
2010-02-18

Desalinization apparatus and method

#372
20100012595
2010-01-21

Direct stripping cyclone

#373
20090206186
2009-08-20

Processing Apparatus and Methods

#374
20090152204
2009-06-18

Method and a device for separating a multiphasic liquid

#375
20090020467
2009-01-22

Separator to separate a liquid/liquid/gas/solid mixture

#376
20090001000
2009-01-01

APPARATUS FOR TREATING LIQUID WASTE MATERIAL

#377
20080314545
2008-12-25

Molding flask for a molding machine and a molding process using the molding flask

#378
20080307827
2008-12-18

METHOD OF REFINING NATURAL GAS AND NATURAL GAS REFINING SYSTEM

#379
20080296213
2008-12-04

Pollutant purification apparatus

#380
20080245711
2008-10-09

Device for treating a back-flushed fluid

#381
20080190834
2008-08-14

Oil-sludge filtration system having a free floating weir box

#382
20080073258
2008-03-27

Storm water runoff treatment system

#383
20080011692
2008-01-17

Cyclonic particle separator for fuel systems

#384
20080006571
2008-01-10

Method and apparatus for treatment of wastewater employing membrane bioreactors

#385
20070267342
2007-11-22

Apparatus for separating particulate from stormwater

#386
20070243118
2007-10-18

Bayer process for production of alumina trihydrate, the said improvement relating to separation of aluminate liquor and insoluble residues

#387
20070151922
2007-07-05

Spiral Speed Separator (SSS)

#388
20070125715
2007-06-07

Flotation separator

#389
20070119775
2007-05-31

Grit trap

#390
20070108406
2007-05-17

Wet-mechanical treatment of mixed waste

#391
20070108122
2007-05-17

Hydrodynamic treatment device

#392
20070095032
2007-05-03

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

#393
20070045168
2007-03-01

Hydroclone based fluid filtration system

#394
20070039900
2007-02-22

Hydroclone based fluid filtration system

#395
20070023355
2007-02-01

Vortex separator for separating floating and settling substances from centrally inflowing storm-water

#396
20070012608
2007-01-18

Storm water runoff treatment system

#397
20060273051
2006-12-07

Oil-based sludge separation and treatment system

#398
20060226091
2006-10-12

Automatic tank cleaning system

#399
20060186038
2006-08-24

Hydrocyclone for down-hole use

#400
20060162561
2006-07-27

Gas liquid solid compact cyclonic separator

#401
20060107837
2006-05-25

Three-phase cyclonic fluid separator

#402
20060096933
2006-05-11

Rotary separator and method

#403
20060060543
2006-03-23

System and method for the removal of particulates from water

#404
20060049120
2006-03-09

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

#405
20060049088
2006-03-09

Liquid treating device

#406
20060043010
2006-03-02

Separator

#407
20050224426
2005-10-13

Dynamic particle separator

#408
20050205496
2005-09-22

Process and apparatus for treating liquid waste material

#409
20050205477
2005-09-22

Automatic tank cleaning system

#410
20050173354
2005-08-11

Acoustic sensor for obstruction in a device circulating vortex-flow fluid

#411
20050109715
2005-05-26

Method and apparatus for separating solids from a slurry

#412
20050040119
2005-02-24

System for separating solids from a fluid stream

#413
20050040091
2005-02-24

Apparatus and method for separating and filtering particles and organisms from flowing liquids

#414
20050023199
2005-02-03

Method and apparatus for treatment of wastewater employing membrane bioreactors

#415
18954659
2025-11-25

Systems for removing carbon dioxide from a carbon dioxide containing gas, and related methods

#416
18483036
2025-06-17

Method and apparatus for modular hydrocyclone

#417
17985882
2023-07-11

Treatment of heavy crude oil and bitumen recovery from surface tar sands with magnetized oxygen/air micro nano bubbles water

#418
17827960
2023-10-10

Method and apparatus for hydrocyclone

#419
17082891
2022-01-11

System for separating solids from a fluid stream

#420
17082809
2022-01-11

System for separating solids from a fluid stream

#421
16888617
2023-09-05

Stillage clarification

#422
16846243
2022-12-20

Well fluid management systems and methods

#423
16819922
2022-05-31

Method and apparatus for hydrocyclone

#424
16804250
2020-07-21

Well production separation systems and methods

#425
16229324
2020-09-15

Air drilling solids control system and method

#426
16227417
2020-08-25

Flow back separation system and method

#427
16131900
2020-12-08

System for separating solids from a fluid stream

#428
15977311
2022-10-04

Method of treating a liquid with nanobubbles

#429
15815950
2018-02-27

Desilter

#430
15282550
2020-01-07

Continuous water filtration, disinfection and conservation system

#431
15161736
2017-09-26

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

#432
14926704
2018-01-23

Desanding, flow splitting, degassing vessel

#433
14546156
2017-05-23

De-sanding tank with conical bottom

#434
14092738
2016-08-23

Vehicle wash water reclaim system