ClassID:

86341

C02F3/109 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes; Packings; Fillings; Grids Characterized by the shape

Recent Application in this class:
#1
20260028258
2026-01-29

BIOFILM REACTOR FOR TREATING WASTEWATER

#2
20260015270
2026-01-15

MICROBIAL SUPPORTS FOR TREATING WATER

#3
20250353763
2025-11-20

DEVICE FOR FILTERING AND PURIFYING GREYWATER OR OTHER WASTEWATER TO GENERATE A NEW, CLEAN AND SAFE WATER SOURCE BY MEANS OF A BIOLOGICAL FILTER

#4
20250263320
2025-08-21

BIOFILTER BLOCK AND USE THEREOF FOR WASTEWATER TREATMENT

#5
20250187958
2025-06-12

SOLID BACTERIAL GROWTH SUPPORT FOR WASTEWATER TREATMENT, METHODS AND USES THEREOF

#6
20250128973
2025-04-24

OXYGEN INFUSION MODULE FOR WASTEWATER TREATMENT

#7
20240417297
2024-12-19

Apparatus and Method for Biofilm Management

#8
20240182336
2024-06-06

Polyhedral spherical denitrifying packing and use method thereof

#9
20240076219
2024-03-07

BIOFILM REACTOR HAVING AT LEAST ONE WEIGHTED MEMBER

#10
20230399247
2023-12-14

BIOFILM REACTOR FOR TREATING WASTEWATER

#11
20230382773
2023-11-30

Apparatus and method for biofilm management

#12
20230348304
2023-11-02

BIOFILM CARRIER FOR MOVING BED BIOFILM REACTORS

#13
20220371929
2022-11-24

STRUCTURAL ARRANGEMENT APPLIED TO SUPPORTING MEANS FOR WASTEWATER TREATMENT PLANTS

#14
20220356097
2022-11-10

Methods of gas infusion for wastewater treatment

#15
20220356096
2022-11-10

Systems of gas infusion for wastewater treatment

#16
20220356093
2022-11-10

Systems of gas infusion for wastewater treatment

#17
20220355256
2022-11-10

Oxygen infusion module for wastewater treatment

#18
20220267180
2022-08-25

SOLID BACTERIAL GROWTH SUPPORT FOR WASTEWATER TREATMENT, METHODS AND USES THEREOF

#19
20220017393
2022-01-20

Method for advanced nitrogen and phosphorus removal in sewage treatment

#20
20210403352
2021-12-30

Biofilm carriers for use in wastewater treatment

#21
20210370258
2021-12-02

Fill sheets and related fill pack assemblies

#22
20210363040
2021-11-25

Urban river channel direct purification device

#23
20210317020
2021-10-14

FILTER ELEMENTS FOR BIOLOGICAL FILTRATION ARRANGEMENTS

#24
20210238072
2021-08-05

Water treatment

#25
20210188675
2021-06-24

Carrier element for wastewater treatment and carrier element modification method

#26
20210101816
2021-04-08

Pond filter and method for operating the pond filter

#27
20210101811
2021-04-08

AERATED BIOFILM REACTOR HOLLOW FIBRE MEMBRANE

#28
20210047215
2021-02-18

WASTEWATER TREATMENT METHOD

#29
20210032137
2021-02-04

Apparatus for treating wastewater and a system for collecting and treating wastewater combining rainwater drainage

#30
20200407253
2020-12-31

IoT-based sewage treatment system

#31
20200331784
2020-10-22

PLANT AND METHOD FOR TREATING URBAN WASTE WATER

#32
20200255310
2020-08-13

Water treatment reactors, systems and methods

#33
20200223725
2020-07-16

Method of Continuous Temperature Stabilization and Effluent Cooling Using Bioremediation Elements inside Grease Interceptors, FOG's, Vaults and other Waste Collection Enclosures

#34
20200189946
2020-06-18

Effective Treatment of Food Waste and its Wastewater Using a Durable Biocarrier with High Microbial Loading

#35
20200156972
2020-05-21

Bioreactor, system, and method for reduction of sulfates from surface waters

#36
20200010346
2020-01-09

Bioreactor for sulfate reduction

#37
20190375661
2019-12-12

Helical Bed Biofilm Reactor for Wastewater Treatment

#38
20190270659
2019-09-05

BIOCARRIER

#39
20190119133
2019-04-25

Method for advanced bioelectrochemical treatment of pollutants

#40
20190106343
2019-04-11

Stormwater Treatment System

#41
20190106341
2019-04-11

Multi-zone process and apparatus for treating wastewater

#42
20190077684
2019-03-14

System for Treating Sewage

#43
20190010067
2019-01-10

BIOREACTOR ASSEMBLY

#44
20180354827
2018-12-13

Bioreactor for wastewater treatment

#45
20170355629
2017-12-14

Tubular elements for cake filtration and method of providing a filtration cake

#46
20170320761
2017-11-09

Water treatment reactor

#47
20170313607
2017-11-02

Water treatment system and method

#48
20170291837
2017-10-12

System for enhanced aerobic activity and bio-mat control for onsite wastewater disposal systems

#49
20170283290
2017-10-05

Spiral wound filtration assembly including integral bioreactor

#50
20170225987
2017-08-10

Spiral wound filtration assembly including integral bioreactor

#51
20170225986
2017-08-10

BIOFILM PROCESS FOR TREATING WATER WITH CONTINUOUS OR SEMI-CONTINUOUS PRODUCTION OF BIOMASS WITH ENHANCED POLYHYDROXYALKANOATE CONTENT

#52
20170217805
2017-08-03

Fiber bundle for bearing microorganisms

#53
20170108298
2017-04-20

Installation element for use in the fields of cooling technology, water treatment or mass transfer and method for the manufacture of such an installation element

#54
20170057852
2017-03-02

A BIOFILTRATION SYSTEM

#55
20170015969
2017-01-19

Biomass carrier and a method of manufacturing thereof

#56
20170015576
2017-01-19

Process and facility for treating ammonium-containing wastewater

#57
20160376175
2016-12-29

Free-flowing carrier elements

#58
20160355424
2016-12-08

ASSEMBLIES AND METHODS FOR TREATING WASTEWATER

#59
20160272522
2016-09-22

Method for enhanced aerobic activity and bio-mat control for onsite wastewater disposal systems

#60
20160152499
2016-06-02

Wastewater treatment device, bacteria bed used for treating food waste and wastewater, and wastewater treatment method using bacteria bed

#61
20160122214
2016-05-05

BIO-BLOCK

#62
20160107912
2016-04-21

System and membrane for wastewater-generated energy and gas

#63
20160101993
2016-04-14

Filter system for removing and/or neutralizing undissolved oils, greases, and salts and/or metal abrasion debris on and in emulsions containing water

#64
20160023929
2016-01-28

Undulating cross-flow fixed film distribution media with unitarily formed end baffle

#65
20160000052
2016-01-07

Biochemical ball

#66
20150336828
2015-11-26

Method for improving quality of aquaculture pond water

#67
20150218024
2015-08-06

Water treatment devices

#68
20150183661
2015-07-02

Methods for adsorption and biodegradation of petroleum

#69
20150076060
2015-03-19

Method for treating wastewater containing tetramethylammonium hydroxide and ammonium nitrogen

#70
20150034539
2015-02-05

ALGAE SCRUBBER MACROALGAL ATTACHMENT MATERIALS - APPENDAGES

#71
20140353248
2014-12-04

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

#72
20140326663
2014-11-06

BIOLOGICAL TREATMENT TANK OR TANK SERIES WITH AIR-LIFT AND BIOCARRIERS

#73
20140291239
2014-10-02

Wastewater treatment method and equipment using a dual-diffusion oxygen supply horizontal-flow biofilm

#74
20140284273
2014-09-25

Decanted bio-balanced reactor and method

#75
20140238933
2014-08-28

Method and apparatus for the bio-remediation of aqueous waste compositions

#76
20140166574
2014-06-19

BIOFILM CARRIERS AND BIOLOGICAL FILTRATION SYSTEMS INCLUDING THE SAME

#77
20130270182
2013-10-17

Decanted bio-balanced reactor and method

#78
20130068688
2013-03-21

Method for the treatment of industrial waste

#79
20130056411
2013-03-07

Wastewater treatment method using annularly arranged microorganism carriers

#80
20130001161
2013-01-03

Biological Treatment and Compressed Media Filter Apparatus and Method

#81
20120152832
2012-06-21

Submerged system and method for removal of undesirable substances from aqueous media

#82
20120152176
2012-06-21

Microbial mediated chemical sequestering of phosphate in a closed-loop recirculating aquaculture system

#83
20120132575
2012-05-31

FOAM WATER TREATMENT SYSTEM

#84
20120067797
2012-03-22

Bioreactor system for aquarium and septic tank

#85
20110297596
2011-12-08

Apparatus merging wetland plants with a floating substrate to treat pollution in any river, lake or body of water

#86
20110253625
2011-10-20

Method and device for removing biological nitrogen and support therefor

#87
20110163036
2011-07-07

Method and apparatus for generating fresh water

#88
20110163022
2011-07-07

Integrated sewage treatment plant

#89
20110147310
2011-06-23

Method and apparatus for generating fresh water

#90
20110139716
2011-06-16

Method and apparatus for desalinating sea water

#91
20110139712
2011-06-16

Method and apparatus for desalinating sea water

#92
20110132822
2011-06-09

Floating bioreactor system

#93
20110132821
2011-06-09

Anaerobic waste treatment apparatus

#94
20110049033
2011-03-03

Water treatment apparatus having meshed tubes provided with cilia and water treatment method using the same

#95
20110042306
2011-02-24

Method for desalinating sea water

#96
20110006000
2011-01-13

Biofilm remediation of metal containing wastewater

#97
20100319913
2010-12-23

Biofilm remediation of fracture fluid

#98
16929355
2024-12-10

Three dimensional fabric media for use with moving bed biofilm reactors and systems related there to

#99
15931775
2022-02-22

System and method for biologically treating wastewater using low density, high surface area substrates