ClassID:

86355

C02F3/1268 - page 2 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes; Activated sludge processes; Particular type of activated sludge installations Membrane bioreactor systems

Recent Application in this class:
#301
20080053900
2008-03-06

Method for treating water contaminated with methanol and boron

#302
20080053899
2008-03-06

Water treatment

#303
20080053896
2008-03-06

Waste water treatment method

#304
20080047896
2008-02-28

Wastewater treatment system

#305
20080047895
2008-02-28

Continuous membrane filtration and solids reduction

#306
20080041783
2008-02-21

Process to improve the efficiency of a membrane filter activated sludge system

#307
20080017575
2008-01-24

WASTE TREATMENT METHOD AND APPARATUS WITH INTEGRAL MEMBRANE APPARATUS

#308
20080006571
2008-01-10

Method and apparatus for treatment of wastewater employing membrane bioreactors

#309
20070289923
2007-12-20

Method of treating waste liquid from production plant for hydrocarbons or oxygen-containing compounds

#310
20070235386
2007-10-11

Process to improve the efficiency of a membrane filter activated sludge system

#311
20070215544
2007-09-20

Washing method and apparatus of separation membrane

#312
20070209999
2007-09-13

Wastewater treatment system

#313
20070170112
2007-07-26

Wastewater treatment system and method

#314
20070163958
2007-07-19

Water treatment techniques

#315
20070084791
2007-04-19

Grease and scum removal in a filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials

#316
20070075017
2007-04-05

System for treating wastewater

#317
20070039888
2007-02-22

Process control for an immersed membrane system

#318
20070034567
2007-02-15

Water treatment device

#319
20060272198
2006-12-07

Method for improving flux in a membrane bioreactor

#320
20060243664
2006-11-02

Methods for biological treatment of waste waters

#321
20060243661
2006-11-02

System for treating wastewater containing organic compounds

#322
20060213833
2006-09-28

Method for cleaning separation membrane

#323
20060207936
2006-09-21

Method for avoiding clogging of filtration membranes

#324
20060201876
2006-09-14

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

#325
20060169636
2006-08-03

Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane

#326
20060113244
2006-06-01

Method of treating wastewater

#327
20060054552
2006-03-16

Membrane bioreactor, process and aerator

#328
20050211638
2005-09-29

Effluent treatment combining solid/liquid separation and pulsed electric fields

#329
20050194310
2005-09-08

Zero excess sludge membrane bioreactor

#330
20050126972
2005-06-16

Module for removing organic compounds from foaming wastewater by oxidation

#331
20050115891
2005-06-02

Device and method for cleaning a fluid, such as water

#332
20050115880
2005-06-02

Apparatus for biological treatment of waste waters

#333
20050109694
2005-05-26

Method and system for treating wastewater containing organic compounds

#334
20050092678
2005-05-05

Device for purifying waste water, according to the activated sludge process

#335
20050061725
2005-03-24

Membrane bioreactor, process and aerator

#336
20050023199
2005-02-03

Method and apparatus for treatment of wastewater employing membrane bioreactors

#337
18365659
2024-04-02

Centralized wastewater treatment method and system

#338
14216334
2016-04-26

Wastewater treatment with modular membrane bioreactor cartridges

#339
13605374
2017-11-28

MBR frame