ClassID:

86336

C02F3/104 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260078036
2026-03-19

APPARATUS FOR ABSORPTION OF CONTAMINANTS

#2
20250313499
2025-10-09

Removal of micropollutants from water and installation for use therein

#3
20250154040
2025-05-15

COMPOSITIONS, SYSTEMS, AND METHODS FOR PROCESSING RECIRCULATING AQUACULTURE WATER

#4
20250154039
2025-05-15

Biofilm Carrier Media in Moving Bed Biofilm Reactor Processes

#5
20240425398
2024-12-26

Biofilm Carrier Media in Moving Bed Biofilm Reactor Processes

#6
20240391811
2024-11-28

SYSTEM AND METHOD FOR CONTINUOUS METABOLISM OF CONTAMINANTS OF EMERGING CONCERN

#7
20240382936
2024-11-21

Bioremediation System and Components

#8
20240375982
2024-11-14

Water aeration and treatment method

#9
20240351927
2024-10-24

Wastewater Treatment Using Lagoons and Nitrification without Subsequent Clarification or Polishing

#10
20240344010
2024-10-17

TEMPERATURE CONTROLLED BIOLOGICAL GROWTH SURFACES FOR HIGHER MICROBIAL ACTIVITY IN BIOPROCESSING

#11
20240246841
2024-07-25

FLOW CONTROL RISER WITHIN A STORMWATER TREATMENT SYSTEM

#12
20240228344
2024-07-11

Water retention and aeration treatment method for contaminated water

#13
20240101454
2024-03-28

Aerated Biological Filtration Process for Water Treatment with a View to Reducing the Nitrogen Content (NGL) of Said Water with Reduction of Carbon-Source and Aeration Requirements

#14
20230373827
2023-11-23

Septic water treatment method for removing carbonaceous and nitrogenous compounds

#15
20230249998
2023-08-10

COMPOSITE TREATMENT AND REMEDIATION TECHNOLOGY FOR POLLUTED WATER AND SOIL

#16
20230234866
2023-07-27

Wastewater leaching system

#17
20230115341
2023-04-13

Wastewater Treatment Using Lagoons and Nitrification without Subsequent Clarification or Polishing

#18
20220298041
2022-09-22

Method for water treatment and recycling

#19
20220234926
2022-07-28

SYSTEM FOR MICROORGANISM BASED TREATMENT OF WASTEWATER

#20
20220144677
2022-05-12

Horizontal flow biofilter system and method of use thereof

#21
20220041482
2022-02-10

Method for controlling growth of blue algae in water area by utilizing eucalyptus

#22
20220017393
2022-01-20

Method for advanced nitrogen and phosphorus removal in sewage treatment

#23
20210292199
2021-09-23

Device and Method for Filtering and/or Purifying Liquid

#24
20210276900
2021-09-09

WATER TREATMENT METHOD

#25
20210254325
2021-08-19

Inline bioremediation liquid treatment system

#26
20210155518
2021-05-27

Flow control riser within a stormwater treatment system

#27
20210155517
2021-05-27

Wastewater Leaching System

#28
20210147268
2021-05-20

Method for enhancing biochemical water treatment by powder carrier

#29
20210139358
2021-05-13

Residential water treatment and recycle system

#30
20210070640
2021-03-11

Multi-layer geotextile-plastic particle water treatment

#31
20210047214
2021-02-18

SYSTEMS AND METHODS FOR WATER AND SOLIDS TREATMENT

#32
20210047204
2021-02-18

Biofilm carrier media in moving bed biofilm reactor processes

#33
20210024392
2021-01-28

Wastewater Treatment Using Lagoons and Nitrification without Subsequent Clarification or Polishing

#34
20200369544
2020-11-26

System for the biological treatment of water and corresponding method

#35
20200331784
2020-10-22

PLANT AND METHOD FOR TREATING URBAN WASTE WATER

#36
20200148566
2020-05-14

AEROBIC BIOLOGICAL TREATMENT METHOD

#37
20200131063
2020-04-30

Multi-purpose bio-electrical modules and procedures

#38
20200071211
2020-03-05

Horizontal flow biofilter system and method of use thereof

#39
20190375660
2019-12-12

Wastewater leaching system

#40
20190359511
2019-11-28

Waste water purification system

#41
20190300408
2019-10-03

Material for reducing the contents of polluting and/or unwanted substances in a liquid

#42
20190300406
2019-10-03

Wastewater treatment system with vertical tubes and method thereof

#43
20190106341
2019-04-11

Multi-zone process and apparatus for treating wastewater

#44
20190047876
2019-02-14

Self-regenerating biofilter

#45
20190010067
2019-01-10

BIOREACTOR ASSEMBLY

#46
20180297871
2018-10-18

Compositions for removing hydrocarbons and halogenated hydrocarbons from contaminated environments

#47
20180134580
2018-05-17

Ecological method for denitrification and phosphorus removal in wastewater treatment process

#48
20180044209
2018-02-15

Wastewater leaching system

#49
20180016173
2018-01-18

Chemical free and energy efficient desalination system

#50
20170355979
2017-12-14

Carrier including ammonium oxidizing bacteria immobilized therein and method for preparing same

#51
20170332567
2017-11-23

Aerobic, bioremediation treatment system comprising floating inert media in an aqueous environment

#52
20170320762
2017-11-09

OVERCOMING BIOFILM DIFFUSION IN WATER TREATMENT

#53
20170297936
2017-10-19

Surface Water Mitigation Structure

#54
20170043282
2017-02-16

Embedded influent diffuser for floating media filter

#55
20160368796
2016-12-22

Seawater pretreatment device

#56
20160362322
2016-12-15

Water treatment equipment for recirculating aquaculture

#57
20160362320
2016-12-15

Wastewater leaching system

#58
20160362319
2016-12-15

WASTEWATER LEACHING SYSTEM

#59
20160326032
2016-11-10

Horizontal flow biofilter system and method of use thereof

#60
20160136702
2016-05-19

Compositions for removing hydrocarbons and halogenated hydrocarbons from contaminated environments

#61
20160115055
2016-04-28

Water treatment system

#62
20160002080
2016-01-07

WATER PURIFICATION SYSTEM FOR HARD BOTTOM LANDSCAPE WATER BODY

#63
20150344340
2015-12-03

Chemical free and energy efficient desalination system

#64
20150336827
2015-11-26

Biofilm media, treatment system and method of wastewater treatment

#65
20150336826
2015-11-26

Hybrid wastewater treatment

#66
20150182884
2015-07-02

Hybrid type fiber filtering apparatus

#67
20150136694
2015-05-21

POINT OF GENERATION SMALL VOLUME BIOREACTOR FOR HORMONE AND ENDOCRINE DISRUPTING CHEMICAL REMEDIATION

#68
20150041393
2015-02-12

METHOD AND APPARATUS FOR TREATMENT OF WASTEWATER

#69
20140374343
2014-12-25

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

#70
20140353248
2014-12-04

Shaped article made of porous hydrogel, manufacturing process therefor and use thereof

#71
20140339156
2014-11-20

System for biological treatment of water and wastewater

#72
20140319054
2014-10-30

Apparatus and method for enhanced wastewater treatment

#73
20140311962
2014-10-23

Water filter system

#74
20140263041
2014-09-18

Method and apparatus for maximizing nitrogen removal from wastewater

#75
20140263000
2014-09-18

Methods and apparatuses for water treatment

#76
20140197099
2014-07-17

Wastewater Treatment Bed, Facility and Method

#77
20140091254
2014-04-03

Method of manufacturing compositions for removing halogenated hydrocarbons from contaminated environments

#78
20140083941
2014-03-27

Biological waste water purification reactor and method

#79
20140051144
2014-02-20

Silica encapsulated biomaterials

#80
20140042085
2014-02-13

Systems and methods for waste treatment

#81
20140014562
2014-01-16

Dissolved air flotation-type pretreatment apparatus

#82
20130313190
2013-11-28

Chemical free and energy efficient desalination system

#83
20130306555
2013-11-21

MATERIALS AND METHODS FOR ENVIRONMENTAL CONTAMINANT REMEDIATION

#84
20130247832
2013-09-26

Recirculating aquaculture systems and biofilters therefor

#85
20130126407
2013-05-23

Leach field system

#86
20130075315
2013-03-28

Leach field system

#87
20130056424
2013-03-07

Horizontal flow biofilter system and method of use thereof

#88
20130020257
2013-01-24

Mainstream Wastewater Treatment

#89
20130005013
2013-01-03

Compositions of matter and uses thereof in the treatment of waste materials

#90
20120318735
2012-12-20

PROCESS FOR THE THERMOPHILIC AEROBIC TREATMENT OF CONCENTRATED ORGANIC WASTE WATER AND THE RELATED PLANT

#91
20120175310
2012-07-12

Chemical/biochemical water purification reactor and method of implementing same

#92
20120114852
2012-05-10

Method of manufacturing compositions for removing halogenated hydrocarbons from contaminated environments

#93
20120091057
2012-04-19

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

#94
20110303623
2011-12-15

Water filter system

#95
20110210066
2011-09-01

WASTE FLUID TREATMENT USING FILAMENTOUS FUNGUS OR ACTINOMYCETE

#96
20110017663
2011-01-27

SYSTEM AND METHOD FOR SIMULTANEOUS BIOLOGICALLY MEDIATED REMOVAL OF CONTAMINANTS FROM CONTAMINATED WATER

#97
20100276363
2010-11-04

Wastewater treatment process and plant comprising controlling the dissolved oxygen concentration

#98
20100261255
2010-10-14

PROCESS, ADAPTED MICROBES, COMPOSITION AND APPARATUS FOR PURIFICATION OF INDUSTRIAL BRINE

#99
20100193432
2010-08-05

Digesting and continuously self-cleaning aquarium filter

#100
20100178112
2010-07-15

Leach field form and method of use

#101
20100163482
2010-07-01

System and method for treating ammonia-based wastewater

#102
20080202999
2008-08-28

Leach Field Form and Method of Use

#103
20070193950
2007-08-23

Process for treatment of organic contaminated water

#104
20060272988
2006-12-07

High aspect ratio wastewater system

#105
20060113245
2006-06-01

System and method for biological purification of water

#106
20060054099
2006-03-16

Aquarium-cleaning device utilizing formed charcoal

#107
20050040105
2005-02-24

Ammonia nitrification over a carbonate alkalinity source

#108
20050006306
2005-01-13

Compositions for removing halogenated hydrocarbons from contaminated environments

#109
16380449
2020-10-06

Inline bioremediation liquid treatment system

#110
16022227
2020-03-17

Filter media cup with flow enhancing slits

#111
15953605
2020-08-18

Wastewater treatment processes

#112
15708399
2019-04-16

Inline bioremediation liquid treatment system