ClassID:

86662

C02F2303/24 - page 2 - CPC Classification

Classification description:

Specific treatment goals Separation of coarse particles, e.g. by using sieves or screens

Recent Application in this class:
#301
20110100887
2011-05-05

Downspout debris collector

#302
20110100885
2011-05-05

Ballast water treatment device

#303
20110084031
2011-04-14

Treatment of a waste stream through production and utilization of oxyhydrogen gas

#304
20110073536
2011-03-31

SUBSTAINABLE TECHNOLOGY FOR TREATMENT OF BATIK WASTE EFFLUENT

#305
20110062079
2011-03-17

PROCESS FOR TREATING WATER BY A NANOFILTRATION OR REVERSE OSMOSIS MEMBRANE SYSTEM ENABLING HIGH CONVERSION RATES DUE TO THE ELIMINATION OF ORGANIC MATTER

#306
20110024341
2011-02-03

Rainwater Catchment System

#307
20110017664
2011-01-27

Suspended media membrane biological reactor system including suspension system and multiple biological reactor zones

#308
20110012733
2011-01-20

System and method for detection of oversize particles in the underflow of a vibratory separator

#309
20110005284
2011-01-13

Wastewater treatment system including irradiation of primary solids

#310
20100300985
2010-12-02

System and Methods for Treatment of Water Systems

#311
20100276361
2010-11-04

System and method for biological wastewater treatment and for using the byproduct thereof

#312
20100264074
2010-10-21

Amalgam separator

#313
20100230363
2010-09-16

Groundwater recharging wastewater disposal method

#314
20100224569
2010-09-09

Wastewater treatment system

#315
20100224545
2010-09-09

Membrane Module for Fluid Filtration

#316
20100224540
2010-09-09

Membrane module for fluid filtration

#317
20100218477
2010-09-02

Dewatering system and process for increasing the combined cycle efficiency of a coal powerplant

#318
20100213121
2010-08-26

Anaerobic wastewater treatment system and process utilizing solids based bacterial colonization (SBBC)

#319
20100200481
2010-08-12

Membrane filter unit

#320
20100196981
2010-08-05

Methods and systems for feedstock production from sewage and product manufacturing therefrom

#321
20100193432
2010-08-05

Digesting and continuously self-cleaning aquarium filter

#322
20100187188
2010-07-29

Wastewater treatment system

#323
20100147772
2010-06-17

Screen blockage measurement and flow performance optimization system

#324
20100140190
2010-06-10

Screened decanter assembly for a settling tank

#325
20100116742
2010-05-13

Reverse osmosis system

#326
20100089809
2010-04-15

Integrated utility system

#327
20100059451
2010-03-11

Modular oil-based sludge separation and treatment system

#328
20100044305
2010-02-25

Wastewater treatment system and process utilizing solids based bacterial colonization (SBBC)

#329
20100038300
2010-02-18

Water harvesting device

#330
20100018929
2010-01-28

Primary equalization settling tank

#331
20100012582
2010-01-21

Method and apparatus for biological wastewater purification

#332
20090314722
2009-12-24

Screen blockage measurement and flow performance optimization system

#333
20090314709
2009-12-24

Polar fog waste treatment

#334
20090294365
2009-12-03

Liquid filtration system

#335
20090289011
2009-11-26

MOBILE WATER PURIFICATION SYSTEM AND METHOD

#336
20090283478
2009-11-19

METHOD AND SYSTEM FOR A REGENERATIVE PARTICLE TRAP STRUCTURE LOADED AND UNLOADED WITH ACTIVE MATERIALS BY WAY OF A FLOW STREAM

#337
20090277830
2009-11-12

Septage treatment system and method of treating septage

#338
20090261039
2009-10-22

Method of treating water effluent from purging or cleaning steam generator circuits, and a mobile unit enabling the method to be implemented

#339
20090250407
2009-10-08

System and method of water treatment

#340
20090250386
2009-10-08

Decentralized source separation sewage system

#341
20090236234
2009-09-24

Electrolytic Process for Managing Urban Sewage

#342
20090223902
2009-09-10

Centralized Liquid Waste Treatment System and Method

#343
20090223882
2009-09-10

Dual-Train Wastewater Reclamation and Treatment System

#344
20090218299
2009-09-03

INVERTED AERATED IMMERSED SCREEN, SCREEN ASSEMBLY AND OPERATING PROCESS

#345
20090218282
2009-09-03

Dual-Train Wastewater Reclamation and Treatment System

#346
20090196967
2009-08-06

Application system with recycle and related use of antimicrobial quaternary ammonium compound

#347
20090166280
2009-07-02

WASTEWATER PURIFYING SYSTEM IN HOSPITALS

#348
20090166279
2009-07-02

Storm water filter system having a floating skimmer apparatus

#349
20090152192
2009-06-18

Arrangement of denitrification reactors in a recirculating aquaculture system

#350
20090149571
2009-06-11

Methods and systems for converting waste into complex hydrocarbons

#351
20090095673
2009-04-16

Systems and methods for combining and converting solid and liquid organic waste materials into useful products

#352
20090078632
2009-03-26

MODULAR OIL-BASED SLUDGE SEPARATION AND TREATMENT SYSTEM

#353
20090065448
2009-03-12

Slurry Handling and Separating System

#354
20090065442
2009-03-12

Wastewater treatment and recycling system

#355
20090057212
2009-03-05

TREATMENT SYSTEM OF LOW CONCENTRATION SANITARY SEWAGE

#356
20090045120
2009-02-19

Wastewater chemical/biological treatment method and apparatus

#357
20090020479
2009-01-22

Device and method for treatment of waste products including feces

#358
20090020475
2009-01-22

Filtration method and apparatus

#359
20080308501
2008-12-18

Process for separating solids from liquids

#360
20080296228
2008-12-04

Wastewater treatment method comprising decantation and fine screening stages

#361
20080296221
2008-12-04

Method for the treatment of wastewater

#362
20080237139
2008-10-02

Method of water management in the aggregate industry

#363
20080236847
2008-10-02

Waste water containment, filtration, and transportation system and method

#364
20080223792
2008-09-18

Apparatus for the incorporation of a dry treatment product into a liquid waste

#365
20080223783
2008-09-18

Method for wastewater treatment with resource recovery and reduced residual solids generation

#366
20080203014
2008-08-28

Integrated cogeneration wastewater sewage and waste polar fats/ oils/ greases/waxes (FOG) waste treatment method and facility

#367
20080190863
2008-08-14

Method for treatment of effluents using pulsed electric fields and solid/liquid separation

#368
20080173589
2008-07-24

DESALINATED WATER PACKAGING

#369
20080170974
2008-07-17

MICROWAVE SEWAGE TREATING APPARATUS

#370
20080135475
2008-06-12

System and method for biological wastewater treatment and for using the byproduct thereof

#371
20080105604
2008-05-08

Grit trap for waste water system

#372
20080105602
2008-05-08

System for the treatment of wastewater

#373
20080099397
2008-05-01

Method and system for inoculating bacteria in contaminated water using earthworm humus

#374
20080087591
2008-04-17

System for treating wastewater

#375
20080078720
2008-04-03

System and Method for Removing Phosphorus From Non-Point Pollution Sources

#376
20080053883
2008-03-06

Amalgam separator

#377
20080011689
2008-01-17

Desalination on an offshore apparatus

#378
20080011681
2008-01-17

Desalination Method

#379
20070289921
2007-12-20

Apparatus and method for treating wastewater

#380
20070289911
2007-12-20

Relocatable countercurrent decantation system

#381
20070272616
2007-11-29

Water treatment mixture and methods and system for use

#382
20070267352
2007-11-22

METHOD AND SYSTEM FOR FILTERING SEDIMENT-BEARING FLUIDS

#383
20070262010
2007-11-15

Container for purifying water by utilization of sunlight

#384
20070246412
2007-10-25

Elliptical motion drive device for a step screen

#385
20070163959
2007-07-19

Screening apparatus for water treatment with membranes

#386
20070138081
2007-06-21

Portable Water Purification and Decontamination System

#387
20070114188
2007-05-24

Liquid/solid separator and method

#388
20070095758
2007-05-03

Treating liquids with pH adjuster-based system

#389
20070090050
2007-04-26

METHOD AND APPARATUS FOR TREATMENT OF A FLUID STREAM

#390
20070068879
2007-03-29

Dual-train wastewater reclamation and treatment system

#391
20070056914
2007-03-15

Agricultural cleaning and treatment apparatus and method

#392
20070056913
2007-03-15

PORTABLE OIL FIELD WASTE WATER TREATMENT AND RECYCLING SYSTEM

#393
20070056907
2007-03-15

Intake for water desalination systems, and methods of use

#394
20070051677
2007-03-08

Screening of inert solids from a low-yield wastewater treatment process

#395
20060278587
2006-12-14

Methods and systems for converting waste into energy

#396
20060273046
2006-12-07

Method for treating wastewater

#397
20060273039
2006-12-07

Water treatment mixture

#398
20060201876
2006-09-14

Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials

#399
20060186033
2006-08-24

Devices and processes for removal of impurities from a fluid recovered from a subterranean environment

#400
20060175254
2006-08-10

Systems and methods for treatment of liquid solutions for use with livestock operations

#401
20060164093
2006-07-27

Ion eluting unit and device loaded with same

#402
20060081543
2006-04-20

Liquid/solid separator and method

#403
20060054562
2006-03-16

System for removing contaminants from storm water

#404
20060008865
2006-01-12

Screening apparatus for water treatment with membranes

#405
20050279710
2005-12-22

Wastewater treatment apparatus and method of treating wastewater

#406
20050274674
2005-12-15

Method and apparatus for treatment of a fluid stream

#407
20050211638
2005-09-29

Effluent treatment combining solid/liquid separation and pulsed electric fields

#408
20050211636
2005-09-29

Methods and systems for converting waste into energy

#409
20050184011
2005-08-25

Car wash water reclamation system

#410
20050139531
2005-06-30

Method and system for filtering sediment-bearing fluids

#411
20050109687
2005-05-26

Treating apparatus for organic waste

#412
20050098499
2005-05-12

Process for pre-treating and desalinating sea water

#413
20050016906
2005-01-27

Mobile field electrical supply, water purification system, wash system, water collection, reclamation, and telecommunication apparatus

#414
20050006305
2005-01-13

Method and system for treating wastewater

#415
17238745
2024-01-02

Method of preparing potable water

#416
16533232
2020-12-01

System for processing Red Mud and method of processing Red Mud

#417
15731462
2019-10-22

Treatment of source water

#418
15723480
2019-12-17

Rainwater collection device

#419
15639685
2019-02-12

Dual screen treatment system

#420
14857769
2016-08-02

Commodity water purifier