ClassID:

28745

B01D21/0012 - page 2 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation Settling tanks making use of filters, e.g. by floating layers of particulate material

Recent Application in this class:
#301
20100078371
2010-04-01

SEPARATOR

#302
20100078370
2010-04-01

Floating baffle panel and filter apparatus

#303
20100064893
2010-03-18

Separator and method of separation

#304
20100059458
2010-03-11

Centrifuges with rotating feed pipes

#305
20100032363
2010-02-11

Floating skimmer apparatus with up-flow filter

#306
20100018935
2010-01-28

Multi-phase separation method

#307
20100018929
2010-01-28

Primary equalization settling tank

#308
20100012557
2010-01-21

SEPTIC TANK WASTEWATER TREATMENT SYSTEM

#309
20090301966
2009-12-10

Method for purifying wastewater

#310
20090294370
2009-12-03

System for filtering water or wastewater

#311
20090289002
2009-11-26

Combined degassing and floatation tank

#312
20090283483
2009-11-19

Method and a device for extracting a liquid phase from a suspension

#313
20090229478
2009-09-17

FRUIT/VEGETABLE JUICE SPINNING FILTER

#314
20090223902
2009-09-10

Centralized Liquid Waste Treatment System and Method

#315
20090211974
2009-08-27

WATER CLARIFYING APPARATUS AND IMPLEMENTING METHOD

#316
20090211963
2009-08-27

Particle Interceptor

#317
20090200216
2009-08-13

STORM DRAIN FILTER

#318
20090184055
2009-07-23

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#319
20090148243
2009-06-11

Controlling sediment

#320
20090145834
2009-06-11

Apparatus for removing buoyant pollutants

#321
20090145824
2009-06-11

Apparatus for removing buoyant pollutants from polluted coolant

#322
20090127180
2009-05-21

Apparatus for combining solids thickening and dewatering in one vessel

#323
20090101599
2009-04-23

Methods and apparatus for isolating platelets from blood

#324
20090095682
2009-04-16

Catch basin filter absorber method for water decontamination

#325
20090078650
2009-03-26

Device for thickening sludge carried along in waste water

#326
20090078630
2009-03-26

Separator for removing impurities, especially smaller particles from rain water

#327
20090050581
2009-02-26

DEVICE AND METHOD FOR PROCESSING BACKFLUSHED FLUID

#328
20090045128
2009-02-19

Filter for removing sediment from water

#329
20090014391
2009-01-15

Buoy suspension fractionation system

#330
20090014372
2009-01-15

Stormwater bioretention filtration system with overflow/bypass capability

#331
20080314845
2008-12-25

Method of effecting efficient flow equalization

#332
20080314816
2008-12-25

Settling and retention basin

#333
20080308501
2008-12-18

Process for separating solids from liquids

#334
20080296228
2008-12-04

Wastewater treatment method comprising decantation and fine screening stages

#335
20080296213
2008-12-04

Pollutant purification apparatus

#336
20080283475
2008-11-20

Purification and separation system for a fluid flow stream

#337
20080282655
2008-11-20

Green house gases filtration system

#338
20080277335
2008-11-13

Disposable weir liner

#339
20080260465
2008-10-23

FILER FOR THE PURIFICATION OF CONTAMINATED WATER

#340
20080251435
2008-10-16

Contaminated fluid recovery apparatus

#341
20080250723
2008-10-16

Process and apparatus for treating exhausted abrasive slurries for the recovery of their reusable components

#342
20080245711
2008-10-09

Device for treating a back-flushed fluid

#343
20080217257
2008-09-11

Combination physical separator and filter device to remove contaminants from stormwater runoff

#344
20080217244
2008-09-11

Water treatment method comprising a rapid settling step followed by a filtration step directly on micro- or ultra-filtration membranes, and corresponding device

#345
20080217227
2008-09-11

Apparatus for separating a light fluid from a heavy one and/or removing sediment from a fluid stream

#346
20080210645
2008-09-04

Fluid concentrator

#347
20080210608
2008-09-04

Ultraviolet radiation water treatment system

#348
20080190834
2008-08-14

Oil-sludge filtration system having a free floating weir box

#349
20080185321
2008-08-07

Effluent purifying plant with centralized structure

#350
20080179237
2008-07-31

Wastewater flow equalization system and method

#351
20080173593
2008-07-24

Method of concentrating a component from a fluid

#352
20080152892
2008-06-26

Component comprising submicron hollow spaces

#353
20080146917
2008-06-19

Fat Collection and Preparation System and Method

#354
20080087607
2008-04-17

Effluent Treatment Installation And Clarification And Filtration Method Using Same

#355
20080073277
2008-03-27

Catch basin filter absorber apparatus for water decontamination

#356
20080061003
2008-03-13

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#357
20070295666
2007-12-27

Ammonium removal system including an electrophysical separation system

#358
20070289911
2007-12-20

Relocatable countercurrent decantation system

#359
20070256966
2007-11-08

Stormwater bioretention filtration system with overflow/bypass capability

#360
20070241052
2007-10-18

Storm water interceptor

#361
20070215555
2007-09-20

Process for production of suspensions, solutions, or dispersions

#362
20070193956
2007-08-23

AQUARIUM PROTEIN SKIMMER

#363
20070193955
2007-08-23

Aquarium protein skimmer

#364
20070187330
2007-08-16

Dewatering process

#365
20070175810
2007-08-02

Sludge flocculator-separator for the physico-chemical treatment of water

#366
20070175804
2007-08-02

Coagulation-sedimentation apparatus

#367
20070175091
2007-08-02

Biodiesel cold filtration process

#368
20070163944
2007-07-19

CLEANING APPARATUS AND METHOD

#369
20070158248
2007-07-12

STORM WATER SEPARATOR SYSTEM

#370
20070138074
2007-06-21

Curb-style drain filter kit

#371
20070114188
2007-05-24

Liquid/solid separator and method

#372
20070114161
2007-05-24

Solids recovery using cross-flow microfilter and automatic piston discharge centrifuge

#373
20070108406
2007-05-17

Wet-mechanical treatment of mixed waste

#374
20070108105
2007-05-17

Upflow shakers and separators

#375
20070108104
2007-05-17

Vibratory separators and operations

#376
20070108103
2007-05-17

Vibratory separators and operations

#377
20070102332
2007-05-10

Multi-stage water purification device

#378
20070095749
2007-05-03

Refuse/oil removing device and refuse/oil recovery bag

#379
20070090031
2007-04-26

Variable speed waste removal system

#380
20070084808
2007-04-19

Mobile water treatment system

#381
20070068878
2007-03-29

Stormwater treatment apparatus and method

#382
20070062853
2007-03-22

Multi-phase separation system

#383
20070056889
2007-03-15

Apparatus for separating solids from flowing liquids

#384
20070045182
2007-03-01

Fats, oil and grease interceptor

#385
20070045168
2007-03-01

Hydroclone based fluid filtration system

#386
20070039900
2007-02-22

Hydroclone based fluid filtration system

#387
20070034579
2007-02-15

Methods and apparatus for isolating platelets from blood

#388
20070012597
2007-01-18

Process and apparatus for filtering metal working fluid containing metal fines

#389
20070000840
2007-01-04

Self contained dissolved air flotation system

#390
20060283804
2006-12-21

Combined degassing and flotation tank

#391
20060283788
2006-12-21

Tri-clone system

#392
20060260658
2006-11-23

Closed-loop containment assembly and method for a pressure washing apparatus with a non-recirculating fluid heating compartment

#393
20060254966
2006-11-16

Clarifier recycle system design for use in wastewater treatment system

#394
20060237372
2006-10-26

Separation of drilling mud emulsions

#395
20060237369
2006-10-26

Materials for removing toxic metals from wastewater

#396
20060237362
2006-10-26

Wastewater solids strainer apparatus for plumbing drain systems in commercial kitchen facilities

#397
20060231509
2006-10-19

Novel enhanced catch basin apparatus and process for making the same

#398
20060231508
2006-10-19

Catch basin apparatus and method of use for the same

#399
20060231489
2006-10-19

Apparatus and method for performing tertiary treatment of sewage based on porous filtering media

#400
20060226058
2006-10-12

Apparatus to separate oil and debris from an aqueous fluid

#401
20060219630
2006-10-05

Ultraviolet radiation water treatment system

#402
20060207919
2006-09-21

Effluent interceptor with solids removal

#403
20060201892
2006-09-14

Dual stage centrifugal liquid-solids separator

#404
20060196827
2006-09-07

Septic tank

#405
20060180527
2006-08-17

Device to separate particles of solids and high-density fluids from fluids of lower-density

#406
20060171785
2006-08-03

Sediment control

#407
20060169625
2006-08-03

Storm drain capture and containment device

#408
20060157428
2006-07-20

Process and system for separating solids from combined sewer overflows

#409
20060151397
2006-07-13

Amine-aldehyde resins and uses thereof in separation processes

#410
20060151360
2006-07-13

Modified amine-aldehyde resins and uses thereof in separation processes

#411
20060147679
2006-07-06

Method for filtering particles from a fluid

#412
20060113220
2006-06-01

Upflow or downflow separator or shaker with piezoelectric or electromagnetic vibrator

#413
20060110261
2006-05-25

Pump System with a vacuum source coupled to a separator

#414
20060091047
2006-05-04

Water purifying apparatuses

#415
20060081543
2006-04-20

Liquid/solid separator and method

#416
20060070959
2006-04-06

Poultry processing water recovery and re-use process

#417
20060060543
2006-03-23

System and method for the removal of particulates from water

#418
20060060525
2006-03-23

Method and apparatus for treating animal waste and wastewater

#419
20060057498
2006-03-16

Substituted benzene developing solvent for photopolymerizable printing plates

#420
20060054560
2006-03-16

Methods for reclaiming developing solvents

#421
20060037918
2006-02-23

Multi-phase separation system

#422
20060021942
2006-02-02

Continuous ammonium removal systems

#423
20060006114
2006-01-12

Process for combining solids thickening and dewatering in one vessel

#424
20060000608
2006-01-05

Separating constituents of a fluid mixture

#425
20050274651
2005-12-15

Method and apparatus for separating mixed plastics using flotation techniques

#426
20050236311
2005-10-27

Manually controlled skimming of industrial oil contaminants

#427
20050230319
2005-10-20

Water-soluble copolymer, polymeric flocculant, and method of dehydrating sludge

#428
20050208211
2005-09-22

Component comprising submicron hollow spaces

#429
20050205816
2005-09-22

Pneumatic valve interface for use in microfluidic structures

#430
20050201903
2005-09-15

Microfluidic device for concentrating particles in a concentrating solution

#431
20050196874
2005-09-08

Methods and apparatus for isolating platelets from blood

#432
20050186120
2005-08-25

Methods and apparatus for isolating platelets from blood

#433
20050184012
2005-08-25

Fluid concentrator

#434
20050183997
2005-08-25

Street curb filter basket system

#435
20050155925
2005-07-21

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

#436
20050145576
2005-07-07

Removal of particulate contamination from operating machinery

#437
20050133464
2005-06-23

Apparatus and process for taking up particles from a water surface

#438
20050127011
2005-06-16

Liquid filtration method embodying superbuoyant filtration particles

#439
20050125936
2005-06-16

Cleaning device

#440
20050109707
2005-05-26

Apparatus for treating storm water

#441
20050103718
2005-05-19

Storm water separator system

#442
20050098497
2005-05-12

Pulsating reactors

#443
20050092671
2005-05-05

Apparatus for recycling of oil-based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

#444
20050040091
2005-02-24

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

#445
20050035056
2005-02-17

Grit removal assemblies

#446
20050034651
2005-02-17

Apparatus and method for removing mercury and mercuric compounds from dental effluents

#447
20050029204
2005-02-10

Liquid filtration apparatus embodying super-buoyant filtration particles

#448
20050016937
2005-01-27

Separator of floating components

#449
20050016934
2005-01-27

Poultry processing water recovery and re-use process

#450
20050011819
2005-01-20

Static pool skimmer

#451
20050006320
2005-01-13

Method of cleaning water pollution trap

#452
20050005772
2005-01-13

Multi-phase separation system

#453
20050000910
2005-01-06

Aggregation precipitation method

#454
20050000877
2005-01-06

Method and apparatus for removing particulate contaminants from commercial laundry waste water

#455
20050000871
2005-01-06

Fluid diverter for a wastewater treatment system

#456
18743123
2024-11-26

Device and method for controlling diffusion of MPs carried with ARGs in waste water treatment system

#457
17936214
2024-09-10

Wastewater treatment system outlet filter cleaner

#458
17449962
2023-06-27

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

#459
17395457
2022-05-24

Production of lithium hydroxide and lithium carbonate

#460
17175993
2022-11-08

Dual screen treatment systems with debris ramps and screened deflectors

#461
17082891
2022-01-11

System for separating solids from a fluid stream

#462
17082809
2022-01-11

System for separating solids from a fluid stream

#463
16915973
2023-12-05

Programmable dredge spoils slurry process and dewatering system

#464
16734559
2021-06-22

Flow back separation system with dispersing device

#465
16414343
2022-10-11

Wastewater treatment system outlet filter cleaner

#466
16227417
2020-08-25

Flow back separation system and method

#467
16131900
2020-12-08

System for separating solids from a fluid stream

#468
16104737
2019-03-26

Dual screen treatment systems with debris ramps and screened deflectors

#469
15853274
2020-01-28

Skimming apparatus

#470
15686931
2018-12-18

Stormwater polymer treatment system

#471
15658864
2019-08-20

Restrictive up flow media filter with servicing system

#472
15639685
2019-02-12

Dual screen treatment system

#473
15248202
2019-01-22

Nutrient removal filtration system and method

#474
15070959
2018-11-27

Washout pan for thixotropic materials

#475
15010274
2017-12-26

Skimming apparatus