ClassID:

86655

C02F2303/12 - CPC Classification

Classification description:

Specific treatment goals Prevention of foaming

Recent Application in this class:
#1
20250197256
2025-06-19

SYSTEMS AND METHODS FOR DESTROYING PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) USING AN ELECTROCHEMICAL (EC) REACTOR

#2
20250122110
2025-04-17

Compositions and Methods for Controlling Foam

#3
20250074797
2025-03-06

DEVICES, SYSTEMS AND METHODS FOR FLUID TREATMENT

#4
20240228354
2024-07-11

PROCESS FOR ANAEROBIC DIGESTION OF CARBONACEOUS MATERIAL

#5
20240173651
2024-05-30

Bubble gas harvesting and/or transport methods and associated systems and articles

#6
20240043299
2024-02-08

Devices for controlling to remove food waste digestion foam

#7
20230391644
2023-12-07

WASTEWATER FOAM CONTROL AGENT

#8
20230022856
2023-01-26

COMPACT CONTAINERIZED SYSTEM AND METHOD FOR SPRAY EVAPORATION OF WATER

#9
20220396509
2022-12-15

MICROBIAL ASSISTED PHOSPHOROUS RECOVERY UNDER ANAEROBIC CONDITION

#10
20220177344
2022-06-09

DIGESTION OF ORGANIC SLUDGE

#11
20220024788
2022-01-27

Fluorescent water treatment compounds and method of use

#12
20210394079
2021-12-23

Geothermal heat retainment system and method for direct use in spray evaporation of water

#13
20210269338
2021-09-02

Method of Treating High Strength Wastewater by Anaerobic Bio Reactor

#14
20210206671
2021-07-08

Method for continuous supply of superoxide-containing peracetate oxidant solution

#15
20210113936
2021-04-22

Compact containerized system and method for spray evaporation of water

#16
20200338476
2020-10-29

Bubble gas harvesting and/or transport methods and associated systems and articles

#17
20200009471
2020-01-09

Industrial wastewater recovery apparatus aiming at zero liquid discharge (ZLD)

#18
20190300409
2019-10-03

Apparatus and method for treating hydrogen sulfide and ammonia in wastewater streams

#19
20190299114
2019-10-03

Compact containerized system and method for spray evaporation of water

#20
20190284074
2019-09-19

Method and device for treating wastewater containing organic matter and/or wet waste containing organic matter, in particular for treating sanitary wastewater in trains

#21
20190263695
2019-08-29

Method of treating high strength wastewater by anaerobic bio reactor

#22
20190256389
2019-08-22

Antifoam formulations for the thermal desalination process of water

#23
20190248676
2019-08-15

Well wastewater treatment

#24
20190218121
2019-07-18

Systems and method for oxidative treatment utilizing reactive oxygen species and applications thereof

#25
20190201727
2019-07-04

Method for preparing chemical digester and its use for the treatment of organic matter

#26
20190062184
2019-02-28

Elemental sulfur dispersant to control fouling in water systems

#27
20180276531
2018-09-27

Fault identifying method for sludge bulking based on a recurrent RBF neural network

#28
20180072596
2018-03-15

Apparatus and methods for reducing nutrients in treating wastewater

#29
20180044206
2018-02-15

Device and a process for recovering clean water and surfactant concentrate from grey water

#30
20170355628
2017-12-14

Fluorescent water treatment compounds and method of use

#31
20170043279
2017-02-16

SYSTEM HAVING FOAM BUSTING NOZZLE AND SUB-SURFACE MIXING NOZZLE

#32
20160289091
2016-10-06

Foam intercept system

#33
20160068417
2016-03-10

Systems and method of water treatment utilizing reactive oxygen species and applications thereof

#34
20160001200
2016-01-07

Chemical-free foam control system and method

#35
20150210577
2015-07-30

Process for reducing the production of sludge by municipal or industrial wastewater purification plants, and equipment for the implementation thereof

#36
20150175458
2015-06-25

Microbial flora activator and its use in treating wastewater containing oil and fat

#37
20150129492
2015-05-14

Membrane system and method for treating sewage and wastewater capable of automated removal/destruction of scum/foam with high energy efficiency, high flux and low operation costs and haying process conversion method from constant level continuous batch reactor process

#38
20150076058
2015-03-19

Waste processing system with anaerobic mechanism and method of operation thereof

#39
20150008169
2015-01-08

Combined bioreactor for the treatment of waste water, by means of anaerobic, aerobic and anoxic processes of degradation of organic matter with zone separator system and collection of biogases, scum and sludge

#40
20140110335
2014-04-24

Scum removal system for liquids

#41
20140076810
2014-03-20

Systems and methods for use of water with switchable ionic strength

#42
20140054207
2014-02-27

Mini metering and biological balancer control station

#43
20130344575
2013-12-26

Process for microalgae conditioning and concentration

#44
20130017165
2013-01-17

Pure chlorine dioxide solution, and gel-like composition and foaming composition each comprising the same

#45
20120305468
2012-12-06

WATER TREATMENT APPARATUS

#46
20120282678
2012-11-08

METHOD FOR RECOVERING INERT OR LIVING MICROPARTICLES AND USE AND INSTALLATION OF SAME

#47
20120258523
2012-10-11

PROCESS FOR REMEDIATING BIOFOULING IN WATER SYSTEMS WITH VIRULENT BACTERIOPHAGE

#48
20120241386
2012-09-27

MULTI-FUNCTION WATER TREATMENT

#49
20120195979
2012-08-02

TREATMENT COMPOSITION FOR RECREATIONAL WATER

#50
20120168674
2012-07-05

Environmentally-friendly functional antifoaming agent using loess

#51
20120156744
2012-06-21

Multi-Phase, Gas-Lift Bioreactor for Generation of Biogas or Biofuel From Organic Material

#52
20120103882
2012-05-03

Device for Clarifying Wastewater Preferably on Ships

#53
20120091050
2012-04-19

Water treatment device

#54
20120080641
2012-04-05

Formulations for use in sulfur scale control in industrial water systems

#55
20110223073
2011-09-15

Ozone oxidation accelerator, ozone oxidation accelerator composition, and ozone treatment method

#56
20110180633
2011-07-28

System having foam busting nozzle and sub-surface mixing nozzle

#57
20110155564
2011-06-30

SYSTEM FOR ELECTROCOAGULATIVELY REMOVING CONTAMINANTS FROM CONTAMINATED WATER

#58
20110089106
2011-04-21

Dynamic anaerobic aerobic (DANA) reactor

#59
20110073802
2011-03-31

Slow release tablet composition for treating industrial water systems

#60
20110067568
2011-03-24

APPARATUS AND METHOD FOR MECHANICAL DEAERATION

#61
20110036375
2011-02-17

Tool cleaning method for drywall tools and other applications

#62
20100243563
2010-09-30

Process for remediating biofouling in water systems with virulent bacteriophage

#63
20100236999
2010-09-23

Scum removing apparatus

#64
20100193430
2010-08-05

Systems and methods for treating oil, fat and grease in collection systems

#65
20100181234
2010-07-22

Process and apparatus for adsorptive bubble separation

#66
20100176062
2010-07-15

Process and apparatus for adsorptive bubble separation using a dense foam

#67
20100167339
2010-07-01

Process for microalgae conditioning and concentration

#68
20100147777
2010-06-17

Ozone Oxidation Accelerator, Ozone Oxidation Accelerator Composition, and Ozone Treatment Method

#69
20100108584
2010-05-06

Dissolved air flotation unit

#70
20100101994
2010-04-29

Wastewater filtering medium

#71
20100096323
2010-04-22

METHODS OF REDUCING THE COST REQUIRED FOR COMING INTO COMPLIANCE

#72
20100089826
2010-04-15

METHODS OF REDUCING THE TIME REQUIRED FOR COMING INTO COMPLIANCE

#73
20100089824
2010-04-15

Methods of reducing the amount of settling aid

#74
20100086493
2010-04-08

PURE CHLORINE DIOXIDE SOLUTION, AND GEL-LIKE COMPOSITION AND FOAMING COMPOSITION EACH COMPRISING THE SAME

#75
20100038319
2010-02-18

Process for separating off carbon black from a wastewater stream

#76
20100032370
2010-02-11

Anaerobic digester design and operation

#77
20090301741
2009-12-10

Block for chemically dosing a stream of fluid and an apparatus for housing the block

#78
20090294379
2009-12-03

Controlled release of additive compositions

#79
20090261037
2009-10-22

Biomass treatment of organic waste or waste water

#80
20090243124
2009-10-01

Composite shaft aspirator assembly

#81
20090211972
2009-08-27

Method and apparatus for simultaneous clarification and endogenous post denitifrication

#82
20090178968
2009-07-16

Water treatment apparatus

#83
20090166289
2009-07-02

Apparatus and Method for Atomizing a Liquid

#84
20090112364
2009-04-30

Chemical treatment system and method

#85
20090050560
2009-02-26

Anaerobic reactor for the removal of long chain fatty acids from fat containing wastewater

#86
20080314247
2008-12-25

Liquid—foam system

#87
20080296235
2008-12-04

Method of and apparatus for separation of scum from a liquid

#88
20080277338
2008-11-13

Methods of treatment of ground water

#89
20080230485
2008-09-25

Method and Apparatus For Wastewater Treatment

#90
20080210630
2008-09-04

METHODS AND KITS FOR BIOREMEDIATION OF CONTAMINATED SOIL

#91
20080210610
2008-09-04

Apparatus for treating wastewater

#92
20080164192
2008-07-10

Device for the purification of contaminated liquid

#93
20080135476
2008-06-12

Sludge quality

#94
20080105614
2008-05-08

Ozonation of wastewater for reduction of sludge or foam and bulking control

#95
20080029460
2008-02-07

Amine-aldehyde resins and uses thereof in separation processes

#96
20080023407
2008-01-31

Water Treatment Process

#97
20080023397
2008-01-31

Biomass treatment of organic waste or water waste

#98
20080011690
2008-01-17

Treatment composition for recreational water

#99
20080006569
2008-01-10

Protein skimmer

#100
20070278144
2007-12-06

Automatic lifting level controller for the discharge of foam

#101
20070196257
2007-08-23

Process for removing sulfur particles from an aqueous catalyst solution and for removing hydrogen sulfide and recovering sulfur from a gas stream

#102
20070193956
2007-08-23

AQUARIUM PROTEIN SKIMMER

#103
20070193955
2007-08-23

Aquarium protein skimmer

#104
20070152191
2007-07-05

Corrosion inhibitors

#105
20070068597
2007-03-29

Surface foam diffuser system

#106
20070020170
2007-01-25

Process for removing sulfur particles from an aqueous catalyst solution and for removing hydrogen sulfide and recovering sulfur from a gas stream

#107
20070017874
2007-01-25

Effluent treatment method and apparatus

#108
20060243660
2006-11-02

Method and apparatus for the methane fermentation treatment of wastewater containing sulfur compound

#109
20060175263
2006-08-10

Methods and systems for treating wastewater

#110
20060157424
2006-07-20

Methods and systems for treating wastewater using ozone activated flotation

#111
20060144241
2006-07-06

Method, device, and system for controlling dissolved amount of gas

#112
20060138046
2006-06-29

Apparatus for and a method of treating organic waste

#113
20060076291
2006-04-13

Digester cover

#114
20060049119
2006-03-09

Method for removal of biofilm

#115
20060006055
2006-01-12

Method and device for stripping ammonia from liquids

#116
20050247639
2005-11-10

Reduction in biological oxygen demand levels in waste water effluents

#117
20050189300
2005-09-01

Semi-submersible floating decanters and methods of using same

#118
20050183998
2005-08-25

Protein skimmer

#119
20050150843
2005-07-14

Method for treatment of liquids, in particular, for purification of contaminated water

#120
20050126997
2005-06-16

Treatment of a suspension in a bioreactor with integrated hydraulic bottom layer removal

#121
20050126972
2005-06-16

Module for removing organic compounds from foaming wastewater by oxidation

#122
20050092670
2005-05-05

Autothermal aerobic digestion system having closed defoaming system

#123
20050072739
2005-04-07

Horizontal reaction chamber comprised of nested, concentric tubes for use in water purification

#124
20050029189
2005-02-10

Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic top scum treatment

#125
17218901
2025-12-23

Homogenous emulsion from a grain material fermentation