ClassID:

86332

C02F3/10 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes Packings; Fillings; Grids

Sub-classes:
Recent Application in this class:
#1
20250333342
2025-10-30

WASTEWATER FILTERING METHOD AND APPARATUS COMPRISING FILTER MEDIA OF DIFFERENT SIZES

#2
20250333341
2025-10-30

WASTEWATER FILTERING METHOD AND APPARATUS COMPRISING FILTER MEDIA OF DIFFERENT SIZES

#3
20250083982
2025-03-13

MICROORGANISM GENERATION SYSTEM FOR SLUDGE-FREE AEROBIC TANK AND MANUFACTURE METHOD THEREFOR

#4
20240423172
2024-12-26

Disease control method for recirculating aquaculture of plectropomus leopardus broodstock

#5
20240391809
2024-11-28

SCALABLE FLOATING MICRO-AERATION UNIT, DEVICES AND METHODS

#6
20240247219
2024-07-25

BIOREACTOR INSERT AND BIOFILM SUPPORT, RELATED APPARATUS AND RELATED METHODS

#7
20240246841
2024-07-25

FLOW CONTROL RISER WITHIN A STORMWATER TREATMENT SYSTEM

#8
20240182336
2024-06-06

Polyhedral spherical denitrifying packing and use method thereof

#9
20240124338
2024-04-18

LIQUID EFFLUENT TREATMENT MODULE

#10
20240059597
2024-02-22

ANAEROBIC AMMONIA OXIDATION TREATMENT SYSTEM FOR TREATING WASTEWATER WITH HIGH AMMONIA NITROGEN AND HIGH COD

#11
20230331610
2023-10-19

MICROBIAL TREATMENT FOR WATER SYSTEMS AND SOIL REMEDIATION

#12
20230202891
2023-06-29

WASTEWATER FILTERING METHOD AND APPARATUS COMPRISING FILTER MEDIA OF DIFFERENT SIZES

#13
20230159876
2023-05-25

Bioreactor insert and biofilm support, related apparatus and related methods

#14
20230087150
2023-03-23

Method, system, and composition of matter for reducing toxic mercury in wastewater effluent

#15
20220242766
2022-08-04

WASTEWATER TREATMENT APPARATUS AND WASTEWATER TREATMENT METHOD

#16
20220144677
2022-05-12

Horizontal flow biofilter system and method of use thereof

#17
20220098069
2022-03-31

Scalable floating micro-aeration unit, devices and methods

#18
20220039361
2022-02-10

Industrial fish breeding complex and a method of water regeneration

#19
20210395121
2021-12-23

Bio-enhanced deodorization equipment

#20
20210371310
2021-12-02

Liquid effluent treatment module

#21
20210355012
2021-11-18

Mainstream deammonification process employing bypass primary effluent and step feeding

#22
20210317019
2021-10-14

System and method for collecting and utilizing heat from an effluent disposal system

#23
20210309955
2021-10-07

Bioreactor insert and biofilm support, related apparatus and related methods

#24
20210276905
2021-09-09

MICROBIAL TREATMENT FOR LIVESTOCK WATER SYSTEMS

#25
20210214252
2021-07-15

AERATION SYSTEMS AND KITS FOR AERATION SYSTEMS AND METHODS FOR MAKING AND USING THE SAME

#26
20210147270
2021-05-20

NITROGEN TREATMENT METHOD

#27
20210107819
2021-04-15

Tower-shape integrated ecological purification device for domestic sewage in small town

#28
20200339455
2020-10-29

Water treatment aerator having bubble diffuser

#29
20200270153
2020-08-27

Scalable floating micro-aeration unit, devices and methods

#30
20200156975
2020-05-21

METHOD OF UPGRADING THE ACTIVATED SLUDGE PROCESS BASED ON FUNCTIONAL SUSPENDED CARRIERS IN THE WASTEWATER BIOLOGICAL TREATMENT PROCESS

#31
20200148568
2020-05-14

Integrated unicellular/filamentous algal production, harvesting and remediation system

#32
20200071211
2020-03-05

Horizontal flow biofilter system and method of use thereof

#33
20200031698
2020-01-30

DRIED MICROBIAL SLUDGE GRANULE AS ADDITIVE FOR WASTEWATER TREATMENT

#34
20190364856
2019-12-05

AQUACULTURE SYSTEM AND PRODUCING METHOD FOR AQUATIC ORGANISMS

#35
20190225518
2019-07-25

Wastewater treatment with in-film microbial heating

#36
20190119134
2019-04-25

COMPOSITIONS AND METHODS FOR REDUCING CYANURIC ACID IN RECREATIONAL WATER SYSTEMS

#37
20190100452
2019-04-04

Biological removal of micropollutants from wastewater

#38
20190092667
2019-03-28

Method and apparatus for selenium removal from high TDS wastewater

#39
20190084854
2019-03-21

PROCESSES FOR TREATMENT OF SPENT ALKALINE WASTE STREAMS

#40
20190071334
2019-03-07

System and method for treatment of wastewater

#41
20190023594
2019-01-24

Granule-forming method and waste water treatment method

#42
20190014754
2019-01-17

DENITRIFYING DEVICE AND AQUATIC ORGANISM BREEDING SYSTEM

#43
20180282191
2018-10-04

METHOD FOR BIOLOGICAL REMOVAL OF SULFIDES FROM WATER

#44
20180244551
2018-08-30

Wastewater treatment carrier, wastewater treatment carrier module, wastewater treatment carrier unit, and wastewater treatment apparatus

#45
20180116187
2018-05-03

PURIFICATION DEVICE AND AQUARIUM INCLUDING THE SAME

#46
20180036658
2018-02-08

Suspended-matter removing method utilizing biofilm and suspended-matter removing apparatus utilizing biofilm

#47
20180036657
2018-02-08

SUSPENDED-MATTER REMOVING METHOD AND SUSPENDED-MATTER REMOVING APPARATUS

#48
20180028946
2018-02-01

REGENERATION METHOD FOR FILTRATION APPARATUS, FILTRATION APPARATUS AND WATER TREATMENT APPARATUS

#49
20170334756
2017-11-23

Device for housing beneficial microbes for the purpose of water remediation

#50
20170320761
2017-11-09

Water treatment reactor

#51
20170313607
2017-11-02

Water treatment system and method

#52
20170305773
2017-10-26

Non-stripping bioreactor for biological sulfide oxidation from wastewaters and groundwaters containing hydrogen sulfide

#53
20170291839
2017-10-12

Anammox process at waste water plant

#54
20170233272
2017-08-17

Method and apparatus for selenium removal from high TDS wastewater

#55
20170217805
2017-08-03

Fiber bundle for bearing microorganisms

#56
20160326032
2016-11-10

Horizontal flow biofilter system and method of use thereof

#57
20160176731
2016-06-23

APPARATUS FOR THE PURIFICATION OF UNCLEAN WATER, IN PARTICULAR OF WASTEWATER AND/OR POLLUTED WATER

#58
20160137539
2016-05-19

SEWAGE TREATMENT SYSTEM AND METHOD THEREOF

#59
20160115055
2016-04-28

Water treatment system

#60
20160009580
2016-01-14

WASTEWATER TREATMENT SYSTEM AND METHODS

#61
20160002079
2016-01-07

IMPROVED FERMENTATION PROCESS AND PRODUCTS USEFUL FOR THE SAME

#62
20160000052
2016-01-07

Biochemical ball

#63
20150368131
2015-12-24

Integrated system of a methanogenic anaerobic reactor and membrane bioreactor for the elimination of organic material and nitrogen from wastewater

#64
20150218024
2015-08-06

Water treatment devices

#65
20150210575
2015-07-30

BIOLOGICAL TREATMENT SYSTEMS UTILIZING SELECTIVELY PERMEABLE BARRIERS

#66
20150203390
2015-07-23

NEW WASTEWATER TREATMENT AND SOLIDS REDUCTION PROCESS

#67
20150175453
2015-06-25

WASTEWATER TREATMENT UNIT AND METHOD

#68
20150041376
2015-02-12

Integrated water treatment system

#69
20150034548
2015-02-05

System for treating water and/or wastewater having a plurality of laterals that can be readily cleaned without damaging or sacrificing the laterals

#70
20150001145
2015-01-01

Bio-filter for waste water digestion

#71
20140374343
2014-12-25

Device for purifying liquid wastewater, and method for cleaning liquid wastewater using said device

#72
20140251928
2014-09-11

Horizontal flow biofilter system and method of use thereof

#73
20140251882
2014-09-11

SEGMENTED BIOFILTRATION STACKS

#74
20140083941
2014-03-27

Biological waste water purification reactor and method

#75
20140076799
2014-03-20

Methods and systems for treating wastewater

#76
20130264280
2013-10-10

Process for removing ammonium from a wastewater stream

#77
20130118969
2013-05-16

Food waste disposal system including BOD reduction apparatus

#78
20130068688
2013-03-21

Method for the treatment of industrial waste

#79
20130056424
2013-03-07

Horizontal flow biofilter system and method of use thereof

#80
20120248037
2012-10-04

DEVICES FOR WATER TREATMENT

#81
20120193287
2012-08-02

Packed bed bioreactor for biofouling control of reverse osmosis and nanofiltration membranes

#82
20120125841
2012-05-24

APPARATUS AND METHOD FOR DISPOSAL AND TREATMENT OF WASTE WATER, SEWAGE AND/OR EFFLUENT

#83
20120122187
2012-05-17

METHOD FOR INCREASING THE CONCENTRATION OF COLONIES OF MICRO ORGANISMS IN A PROCESS FOR REMOVING CONTAMINANTS BY ANAEROBIC DIGESTION

#84
20120091057
2012-04-19

Wetland biofilter chamber with peripheral catch basin and method of use thereof

#85
20120085700
2012-04-12

DEVICES FOR WATER TREATMENT

#86
20120067818
2012-03-22

Method and reactor for biological purification of waste water

#87
20120055870
2012-03-08

Carrier element, biological water treatment system and their use, and method for biologically treating waste water

#88
20110284438
2011-11-24

Biological filtration system with socks of absorbent material

#89
20110278221
2011-11-17

INSTALLATION FOR THE TREATMENT OF UREA-CONTAINING WATER, TOILET, STABLE, AND METHOD

#90
20110259821
2011-10-27

Methods and Systems for Treating Wastewater

#91
20110186509
2011-08-04

PROCESSING OF WATER USING MICROORGANISMS

#92
20110163027
2011-07-07

DEVICES FOR WATER TREATMENT

#93
20110114545
2011-05-19

DEVICE FOR THE PURIFICATION OF WASTE WATER

#94
20110089107
2011-04-21

Intimate coupling of photocatalysis and biodegradation in a photocatalytic circulating-bed biofilm reactor

#95
20110036377
2011-02-17

Parts washing system

#96
20110027870
2011-02-03

BIOMASS CARRIERS, METHOD AND APPARATUS FOR MANUFACTURE THEREOF AND FLUID TREATMENT SYSTEMS AND METHODS UTILIZING SAME

#97
20100320144
2010-12-23

DEVICES FOR WATER TREATMENT

#98
20100247837
2010-09-30

Method for manufacturing reticulate contact body elements and a rotating circular reticulate contact body using them

#99
20100243562
2010-09-30

Wastewater treatment method

#100
20100236489
2010-09-23

Overflow device for water tank

#101
20100224542
2010-09-09

Filter device for water tank

#102
20100219126
2010-09-02

Wastewater treatment method using immobilized carrier

#103
20100193432
2010-08-05

Digesting and continuously self-cleaning aquarium filter

#104
20100176053
2010-07-15

MATERIALS FOR REMOVING CONTAMINANTS FROM FLUIDS USING SUPPORTS WITH BIOLOGICALLY-DERIVED FUNCTIONALIZED GROUPS AND METHODS OF FORMING AND USING THE SAME

#105
20100163485
2010-07-01

Wastewater treatment method

#106
20100133156
2010-06-03

Biofilter units and water treatment facilities with using the same biofilter units

#107
20100101994
2010-04-29

Wastewater filtering medium

#108
20100078373
2010-04-01

SUBMERSIBLE MEDIA-FILLED WASTEWATER TREATMENT FILTER

#109
20100072129
2010-03-25

DEVICES FOR WATER TREATMENT

#110
20100018919
2010-01-28

SYSTEM FOR TREATING RECIRCULATION NUTRIENT USING FLOATING MEDIA

#111
20100012580
2010-01-21

Systems and methods for wastewater treatment

#112
20100006500
2010-01-14

SAF system and method involving specific treatments at respective stages

#113
20090321351
2009-12-31

BIOREMEDIATION BLANKET AND METHOD OF USE

#114
20090314710
2009-12-24

Method of purifying wastewater and sewage treatment plant

#115
20090293922
2009-12-03

PARTS WASHING SYSTEM

#116
20090272688
2009-11-05

Bioreactor and method for the biological purification of water

#117
20090272681
2009-11-05

RECYCLE WATER TREATMENT SYSTEM FOR CAR WASH

#118
20090269135
2009-10-29

Coquina Based Underwater Mitigation Reef and Method of Making Same

#119
20090266763
2009-10-29

Water treatment apparatus and water treatment method

#120
20090255867
2009-10-15

Purification method for effluent

#121
20090250396
2009-10-08

DRAINAGE WATER-TREATING METHOD AND DRAINAGE WATER-TREATING APPARATUS

#122
20090206030
2009-08-20

Filter assembly, bioreactor catch basin and method of using the same

#123
20090152185
2009-06-18

Devices for water treatment

#124
20090124717
2009-05-14

Carrier for fluid treatment and method of making the same

#125
20090120872
2009-05-14

COMPOSITION AND BIOREMEDIATION METHOD FOR WATER POLLUTED BY HYDROCARBONS

#126
20090120871
2009-05-14

Methods of treating water using devices for water treatment

#127
20090078639
2009-03-26

Biofilter media and biofiltration apparatus employing same

#128
20090038999
2009-02-12

System for treating wastewater having a controlled reaction-volume module usable therein

#129
20090026120
2009-01-29

Wastewater treatment system

#130
20090001002
2009-01-01

Wastewater purification plant by means of plants

#131
20080312122
2008-12-18

Agent for treating oil-polluted ground, and for cleaning oil-contaminated surfaces and containers

#132
20080308479
2008-12-18

Biological treatment and filtration system equipment

#133
20080296229
2008-12-04

Liquid treatment method and apparatus

#134
20080264859
2008-10-30

Method for Initiating Microbiological Processes in Artificial Waters

#135
20080264855
2008-10-30

Method for treating wastewater

#136
20080169238
2008-07-17

BIOSORPTION SYSTEM PRODUCED FROM BIOFILMS SUPPORTED IN FAUJASITE (FAU) ZEOLITE, PROCESS OBTAINING IT AND ITS USAGE FOR REMOVAL OF HEXAVALENT CHROMIUM (CR(VI))

#137
20080153154
2008-06-26

Water treatment system including foam block

#138
20080135073
2008-06-12

PARTS WASHING SYSTEM

#139
20080128351
2008-06-05

Water treatment clarifier baffle

#140
20080099397
2008-05-01

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

#141
20080073268
2008-03-27

Use of a magnetic separator to biologically clean water

#142
20080041786
2008-02-21

Methods and apparatus for the removal of organic matter and related degradation products from water

#143
20080038554
2008-02-14

Media

#144
20070284294
2007-12-13

Biomass carrier promoting simultaneous nitrification-de-nitrification

#145
20070267346
2007-11-22

Process for autotrophic perchlorate reduction using elemental sulfur and mollusk shells

#146
20070262019
2007-11-15

Process for autotrophic denitrification using elemental sulfur and mollusk shells

#147
20070205152
2007-09-06

Process for biological purification of waste water with simultaneous decomposition of organic and nitrogen-containing compounds

#148
20070202176
2007-08-30

Composite support material for bacteria

#149
20070170113
2007-07-26

Insitu Grease/Biosolid Bioremediation Apparatus and Method

#150
20070144963
2007-06-28

Bacteria growth device, assembly including the same and method associated thereto

#151
20070144962
2007-06-28

Bacteria growth device, assembly including the same and method associated thereto

#152
20070138090
2007-06-21

Method and apparatus for treating wastewater

#153
20070131613
2007-06-14

Water treatment

#154
20070114182
2007-05-24

Wastewater treatment system for a marine vessel

#155
20070114176
2007-05-24

Water treatment method and water treatment apparatus

#156
20070102354
2007-05-10

SYSTEM FOR TREATING WASTEWATER AND A MEDIA USABLE THEREIN

#157
20070095751
2007-05-03

Water treatment method and water treatment system

#158
20070095750
2007-05-03

Closed sulfur circulation system

#159
20070075018
2007-04-05

Method and product for the residential and commercial aquatic environment

#160
20070025820
2007-02-01

Composite material for a permeable reactive barrier

#161
20070007201
2007-01-11

Process reactor with layered packed bed

#162
20070000825
2007-01-04

Process and apparatus for microbial filtration and bacterial injection for one or more environmental contaminants

#163
20060292684
2006-12-28

Method and system for treating oxidized contaminant-containing matrix

#164
20060260991
2006-11-23

Filtering device

#165
20060231489
2006-10-19

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

#166
20060151388
2006-07-13

Method of sludge recycling

#167
20060141604
2006-06-29

Biotechnological process for neutralizing alkaline beverage industrial waste water

#168
20060124543
2006-06-15

System for treating wastewater and a controlled reaction-volume module usable therein

#169
20060124542
2006-06-15

Methods and apparatus for the removal of organic matter and related degradation products from water

#170
20060102535
2006-05-18

Method of sludge recycling

#171
20060096919
2006-05-11

Apparatus/method for treating fluid

#172
20060081533
2006-04-20

Batch-continuous process and reactor

#173
20060032123
2006-02-16

Devices for water treatment

#174
20060027497
2006-02-09

Method of sludge recycling

#175
20050269261
2005-12-08

Method for forming microcultures within porous media

#176
20050242028
2005-11-03

Process for treating a body of water

#177
20050238561
2005-10-27

Process for the production of highly organized crystals by means of Sol-Gel methods

#178
20050224095
2005-10-13

Parts washing system

#179
20050218071
2005-10-06

Integrated tidal wastewater treatment system and method

#180
20050211644
2005-09-29

Mixed bed trickling reactor using microbeads

#181
20050184000
2005-08-25

Wastewater treatment station in shipping container

#182
20050126992
2005-06-16

Treatment of contaminated activated charcoal

#183
20050115896
2005-06-02

Bioremediation method which is used to concentrate and eliminate radionuclides in radioactive water

#184
20050072732
2005-04-07

Method for biological purification of water using a carrier material

#185
20050067347
2005-03-31

Sustainable process for the treatment and detoxification of liquid waste

#186
20050056304
2005-03-17

Parts washing system

#187
20050029187
2005-02-10

Concrete product containing a mixture of microbial cells

#188
20050023217
2005-02-03

Hydrophobic compositions and methods of use in water applications

#189
20050019895
2005-01-27

Process for treating an effluent polluted by MTBE or TAME using the I-2562 strain fixed on a mineral support comprising perlite

#190
14518310
2015-06-09

Separation of biocomponents from DDGS