ClassID:

86335

C02F3/103 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes; Packings; Fillings; Grids Textile-type packing

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

BIOFILM REACTOR FOR TREATING WASTEWATER

#2
20250263318
2025-08-21

MEMBRANE ASSEMBLY FOR SUPPORTING A BIOFILM

#3
20250011206
2025-01-09

SHEET LAMINATE, METHOD FOR MANUFACTURING GAS SUPPLY BODY, GAS SUPPLY BODY, SUPPLY BODY UNIT, AND WASTEWATER TREATMENT DEVICE

#4
20240391809
2024-11-28

SCALABLE FLOATING MICRO-AERATION UNIT, DEVICES AND METHODS

#5
20240375982
2024-11-14

Water aeration and treatment method

#6
20240228344
2024-07-11

Water retention and aeration treatment method for contaminated water

#7
20240076219
2024-03-07

BIOFILM REACTOR HAVING AT LEAST ONE WEIGHTED MEMBER

#8
20230399247
2023-12-14

BIOFILM REACTOR FOR TREATING WASTEWATER

#9
20230373827
2023-11-23

Septic water treatment method for removing carbonaceous and nitrogenous compounds

#10
20230331605
2023-10-19

MEMBRANE ASSEMBLY FOR SUPPORTING A BIOFILM

#11
20220298041
2022-09-22

Method for water treatment and recycling

#12
20220098069
2022-03-31

Scalable floating micro-aeration unit, devices and methods

#13
20220025559
2022-01-27

Systems and methods for thermally bonding fiber

#14
20210355011
2021-11-18

MABR media for supporting AOB and annamox bacteria and process for deammonification of wastewater

#15
20210139358
2021-05-13

Residential water treatment and recycle system

#16
20210130206
2021-05-06

Biological remediation of groundwater using an algal photobioreactor system

#17
20210114903
2021-04-22

SHEET LAMINATE, METHOD FOR MANUFACTURING GAS SUPPLY BODY, GAS SUPPLY BODY, SUPPLY BODY UNIT, AND WASTEWATER TREATMENT DEVICE

#18
20210101816
2021-04-08

Pond filter and method for operating the pond filter

#19
20210070641
2021-03-11

MODULAR BIO BED AND VENTILATED SYSTEM FOR WASTE WATER TREATMENT

#20
20210070640
2021-03-11

Multi-layer geotextile-plastic particle water treatment

#21
20200377397
2020-12-03

Membrane assembly for supporting a biofilm

#22
20200223724
2020-07-16

CARRIER INSERT FOR ACCOMMODATING AND MAINTAINING THE BIOFILM CULTURE OF FLUID CLEANING STRUCTURES

#23
20190168137
2019-06-06

Filter unit

#24
20190106343
2019-04-11

Stormwater Treatment System

#25
20190010067
2019-01-10

BIOREACTOR ASSEMBLY

#26
20180354827
2018-12-13

Bioreactor for wastewater treatment

#27
20180311614
2018-11-01

Filter material, device and method for purifying gases and liquids

#28
20170320762
2017-11-09

OVERCOMING BIOFILM DIFFUSION IN WATER TREATMENT

#29
20170217805
2017-08-03

Fiber bundle for bearing microorganisms

#30
20170044037
2017-02-16

Water biotreatment unit

#31
20160362862
2016-12-15

Method and apparatus for recovering spilled oil in ice infested waters

#32
20160280574
2016-09-29

Consortium of fungi immobilized on a laminar lignocellulose carrier for the treatment of wastewater and method for producing same

#33
20160264440
2016-09-15

Dual media system for treating wastewater containing selenium

#34
20160009578
2016-01-14

Membrane assembly for supporting a biofilm

#35
20150175453
2015-06-25

WASTEWATER TREATMENT UNIT AND METHOD

#36
20150093601
2015-04-02

Electrodes for use in bacterial fuel cells and bacterial electrolysis cells and bacterial fuel cells and bacterial electrolysis cells employing such electrodes

#37
20150048013
2015-02-19

Fixed bed for aerobic or anaerobic wastewater purification

#38
20150041376
2015-02-12

Integrated water treatment system

#39
20150034554
2015-02-05

Surface-treated calcium carbonate for binding and bioremediating hydrocarbon-containing compositions

#40
20140197099
2014-07-17

Wastewater Treatment Bed, Facility and Method

#41
20140102979
2014-04-17

Microorganisms-immobilized felt-based resin for the treatment of phenolic effluents and a preparation method thereof

#42
20130256219
2013-10-03

APPARATUS, SYSTEM AND PROCESS FOR WASTEWATER PURIFICATION

#43
20130068688
2013-03-21

Method for the treatment of industrial waste

#44
20130001161
2013-01-03

Biological Treatment and Compressed Media Filter Apparatus and Method

#45
20120325740
2012-12-27

ORGANISM METABOLITES FOR REMOVAL OF POLLUTANTS FROM BRINE

#46
20120228216
2012-09-13

FLOATING WATER TREATMENT DEVICE

#47
20120132587
2012-05-31

Wastewater treatment system

#48
20120118819
2012-05-17

IN-SITU, MICROBIAL BIO-REMEDIATION OF AQUATIC ENVIRONMENTS

#49
20120037551
2012-02-16

Carrier insert for accommodating and maintaining the biofilm culture of fluid cleaning structures

#50
20110284477
2011-11-24

Apparatus and method for processing liquid waste

#51
20110259820
2011-10-27

BUOYANT PLANT HABITAT

#52
20110229742
2011-09-22

Electrodes for use in bacterial fuel cells and bacterial electrolysis cells and bacterial fuel cells and bacterial electrolysis cells employing such electrodes

#53
20110163036
2011-07-07

Method and apparatus for generating fresh water

#54
20110147310
2011-06-23

Method and apparatus for generating fresh water

#55
20110139716
2011-06-16

Method and apparatus for desalinating sea water

#56
20110139712
2011-06-16

Method and apparatus for desalinating sea water

#57
20110108479
2011-05-12

Wastewater treatment system

#58
20110068057
2011-03-24

Systems, apparatuses and methods for treating wastewater

#59
20110042306
2011-02-24

Method for desalinating sea water

#60
20110042233
2011-02-24

PERMEABLE ELECTROCHEMICAL REACTIVE BIOBARRIER AND METHOD FOR USING THE SAME

#61
20100326907
2010-12-30

Method and device for removing contaminates from fluid-material

#62
20100200480
2010-08-12

Elevated swale for treatment of contaminated stormwater

#63
20100170846
2010-07-08

Wastewater treatment system

#64
20100133157
2010-06-03

Water treatment apparatus adaptible to natural water environment

#65
20100089818
2010-04-15

DEVICE FOR PURIFYING GASES, SUCH AS AIR IN PARTICULAR, OR LIQUIDS, SUCH AS WATER IN PARTICULAR

#66
20090272689
2009-11-05

Wastewater treatment method

#67
20090242492
2009-10-01

SUBSURFACE WASTEWATER DISPOSAL SYSTEM

#68
20090211969
2009-08-27

Method and apparatus for enhancing aquatic environments

#69
20090206031
2009-08-20

Bioreactor system for multi-stage biological wastewater treatment

#70
20090145835
2009-06-11

WATER TREATMENT CONTACT FILTER AND WATER TREATMENT APPARATUS

#71
20090134091
2009-05-28

Method for removing undesirable components from water while containing, cultivating, and harvesting photosynthetic marine microorganisms within water

#72
20090071899
2009-03-19

Wastewater treatment system

#73
20090035599
2009-02-05

HIGH EFFICIENCY BIOCONVERSION SURFACE MATERIALS

#74
20090032451
2009-02-05

Aeration-less water treatment apparatus

#75
20080245731
2008-10-09

Biomass support members and panels, biological processes and biological wastewater treatment apparatus

#76
20080135472
2008-06-12

Trickling Filter Wastewater Treatment Device

#77
20080121577
2008-05-29

Filter for composite water treatment and sewage treatment

#78
20080110827
2008-05-15

Process for providing oxygen to a liquid

#79
20080053898
2008-03-06

Wastewater treatment system

#80
20070267344
2007-11-22

Method and apparatus for enhancing aquatic environments

#81
20070218537
2007-09-20

Method For Treating Ammonia-Containing Wastewater

#82
20070181474
2007-08-09

Filter for a microbe reactor of sewage treatment

#83
20070151923
2007-07-05

Biomedia apparatus and method of use

#84
20070068856
2007-03-29

Wastewater treatment apparatus

#85
20070017877
2007-01-25

Water treatment system, apparatus and method

#86
20060163157
2006-07-27

Supported biofilm process

#87
20060138048
2006-06-29

Method for treating a contaminated fluid, system for treating a contaminated fluid, and method for making a biomass carrier suitable for treating a contaminated fluid

#88
20060124518
2006-06-15

Bioreactor system for multi-stage biological wastewater treatment

#89
20060037896
2006-02-23

Supported biofilm apparatus

#90
20060027506
2006-02-09

Water treatment system, apparatus and method

#91
20050269262
2005-12-08

Biological film support module for wastewater treatment system

#92
20050054087
2005-03-10

Membrane module for gas transfer

#93
16929355
2024-12-10

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

#94
16877856
2022-02-22

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

#95
16147144
2020-06-09

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

#96
15931775
2022-02-22

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