ClassID:

86334

C02F3/102 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260145975
2026-05-28

METHODS AND SYSTEMS FOR REMOVING TRICHLOROETHANE, TRICHLOROETHENE, AND 1,4-DIOXANE FROM CONTAMINATED WATER AND WASTEWATER

#2
20250263318
2025-08-21

MEMBRANE ASSEMBLY FOR SUPPORTING A BIOFILM

#3
20250236546
2025-07-24

PROCESS AND APPARATUS FOR NITRITATION USING MEMBRANE AERATED BIOFILM REACTOR

#4
20250223209
2025-07-10

WATER TREATMENT SYSTEM WITH BIOCONTACTOR

#5
20250011206
2025-01-09

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

#6
20240417297
2024-12-19

Apparatus and Method for Biofilm Management

#7
20240391810
2024-11-28

PRESSURE-FREE MEMBRANE-TYPE OXYGEN PERMEATION BIOFILM REACTOR DRIVEN BY SEWAGE THERMAL ENERGY AND ITS REGULATION METHOD

#8
20240344010
2024-10-17

TEMPERATURE CONTROLLED BIOLOGICAL GROWTH SURFACES FOR HIGHER MICROBIAL ACTIVITY IN BIOPROCESSING

#9
20240336504
2024-10-10

SYSTEMS FOR CATALYTICALLY REMOVING PER- AND POLYFLUOROALKYL SUBSTANCES FROM A FLUID AND RELATED METHODS

#10
20240317619
2024-09-26

PRETREATMENT TO REMOVE AMMONIA FROM HIGH STRENGTH WASTEWATER WITH MEMRBANE AERATED BIOFILM SIDESTREAM

#11
20240140841
2024-05-02

AIR FLOW CONTROL IN A MEMBRANE AERATED BIOFILM REACTOR

#12
20240124339
2024-04-18

DEVICE AND METHOD FOR COOPERATIVELY TREATING AQUACULTURE TAIL WATER

#13
20240025781
2024-01-25

WASTEWATER TREATMENT SYSTEMS AND METHODS

#14
20240001308
2024-01-04

SYSTEMS FOR REMOVING EXPLOSIVES AND OTHER COEXISTING CONTAMINANTS FROM WATER AND RELATED METHODS

#15
20230365446
2023-11-16

METHOD AND INSTALLATION FOR CONTROLLED MICROBIOME SHIFT FOR BIOMASS DENSIFICATION IN A BIOLOGICAL TREATMENT OF A RAW INFLUENT

#16
20230331605
2023-10-19

MEMBRANE ASSEMBLY FOR SUPPORTING A BIOFILM

#17
20230264991
2023-08-24

Methods and systems for removing trichloroethane, trichloroethene, and 1,4-dioxane from contaminated water and wastewater

#18
20230137006
2023-05-04

METHODS AND SYSTEMS FOR PRODUCING ELEMENTAL SELENIUM DURING SELENATE REMOVAL FROM WATER

#19
20230123627
2023-04-20

DEVICE FOR CONVERTING BIOMASS TO REDUCED MEDIATOR, SYSTEM FOR CONVERTING BIOMASS TO DIHYDROGEN COMPRISING IT, AND ASSOCIATED METHOD

#20
20230079372
2023-03-16

Process and apparatus for nitritation using membrane aerated biofilm reactor

#21
20230046027
2023-02-16

MICROBE-BASED SYSTEMS, COMPOSITIONS, AND METHODS THEREOF

#22
20230045679
2023-02-09

FLOATING APPARATUS FOR MEMBRANE BIOFILM REACTOR AND PROCESS FOR WATER TREATMENT

#23
20230002263
2023-01-05

SYSTEMS FOR CATALYTICALLY REMOVING PER- AND POLYFLUOROALKYL SUBSTANCES FROM A FLUID AND RELATED METHODS

#24
20220347729
2022-11-03

Permeable reactive barrier

#25
20220098070
2022-03-31

METHODS FOR TREATING WASTE ACTIVATED SLUDGE

#26
20210355011
2021-11-18

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

#27
20210292200
2021-09-23

Nitrite-oxidizing bacteria activity inhibitor and method

#28
20210276903
2021-09-09

MEMBRANE AERATED SECONDARY CLARIFIER

#29
20210253460
2021-08-19

Wastewater treatment with suspended growth and membrane aerated biofilm

#30
20210188677
2021-06-24

Method and device for preventing and controlling pollutants in the reuse of reclaimed water in agricultural activity areas with extreme water shortage

#31
20210171379
2021-06-10

Method and device for preventing and controlling pollutants in basin water resource utilization

#32
20210171375
2021-06-10

PRETREATMENT TO REMOVE AMMONIA FROM HIGH STRENGTH WASTEWATER WITH MEMRBANE AERATED BIOFILM SIDESTREAM

#33
20210139359
2021-05-13

Low-pressure, reversible airlift mixing system for use with a membrane aerated biofilm reactor

#34
20210114903
2021-04-22

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

#35
20210101811
2021-04-08

AERATED BIOFILM REACTOR HOLLOW FIBRE MEMBRANE

#36
20210032137
2021-02-04

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

#37
20200377397
2020-12-03

Membrane assembly for supporting a biofilm

#38
20200346957
2020-11-05

BIOFILM DISRUPTION LEADING TO MICROBIAL DESTRUCTION

#39
20200264089
2020-08-20

Method for determining optimal preservation temperature of anaerobic ammonium oxidation biofilm in wastewater treatment for total nitrogen removal

#40
20200140301
2020-05-07

Method for determining optimal preservation temperature of biofilm in wastewater treatment

#41
20200087650
2020-03-19

METHODS OF ATTACHING A MOLECULE-OF-INTEREST TO A MICROTUBE

#42
20200087649
2020-03-19

METHOD OF ATTACHING A CELL-OF-INTEREST TO A MICROTUBE

#43
20200048596
2020-02-13

Membrane biofilm reactors, systems, and methods for producing organic products

#44
20200031696
2020-01-30

Piping manifold for pulsating flow

#45
20190389754
2019-12-26

Module, reactor, system and method for treating water

#46
20190375662
2019-12-12

Systems and methods for treating wastewater

#47
20190284069
2019-09-19

Liquid flow distribution system

#48
20190010067
2019-01-10

BIOREACTOR ASSEMBLY

#49
20180354827
2018-12-13

Bioreactor for wastewater treatment

#50
20180282190
2018-10-04

A CLOGGING RESISTANT BIOFILM-BASED WATER TREATMENT SYSTEM

#51
20180265383
2018-09-20

Membrane aerated biofilm reactor

#52
20180044211
2018-02-15

Assembly for supporting mixed biofilm

#53
20180022625
2018-01-25

Process for water treatment using membrane biofilm reactor

#54
20180013161
2018-01-11

MICROBIAL FUEL CELL SYSTEM

#55
20170320762
2017-11-09

OVERCOMING BIOFILM DIFFUSION IN WATER TREATMENT

#56
20170247276
2017-08-31

Module, reactor, system and method for treating water

#57
20170088450
2017-03-30

Membrane aerated biofilm reactor (MABR)

#58
20170050872
2017-02-23

Wastewater treatment system

#59
20170044474
2017-02-16

Membrane photobioreactor for treating nitrogen and phosphorus that are out of limits in biogas slurry and treating method thereof

#60
20170044037
2017-02-16

Water biotreatment unit

#61
20170015968
2017-01-19

Membrane biofilm reactors, systems, and methods for producing organic products

#62
20170015572
2017-01-19

AERATED BIOFILM REACTOR HOLLOW FIBRE MEMBRANE

#63
20170002343
2017-01-05

METHOD OF ATTACHING A CELL-OF-INTEREST TO A MICROTUBE

#64
20160152499
2016-06-02

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

#65
20160107912
2016-04-21

System and membrane for wastewater-generated energy and gas

#66
20160009578
2016-01-14

Membrane assembly for supporting a biofilm

#67
20150166380
2015-06-18

Membrane supported biofilm apparatus

#68
20150108052
2015-04-23

DIFFUSION AERATION FOR WATER AND WASTEWATER TREATMENT

#69
20140262984
2014-09-18

Determining biofilm thickness in a membrane supported biofilm reactor

#70
20140256007
2014-09-11

Membranes for wastewater-generated energy and gas

#71
20140224717
2014-08-14

Wastewater treatment system with microbial fuel cell power

#72
20140008280
2014-01-09

Bioreactor with suspended biomass and membrane supported biofilm

#73
20130161254
2013-06-27

Process of treating water using a gas permeable membrane-supported biofilm apparatus

#74
20130105391
2013-05-02

Modules for use in and operation of a membrane biofilm reactor with reduced biofouling

#75
20120325740
2012-12-27

ORGANISM METABOLITES FOR REMOVAL OF POLLUTANTS FROM BRINE

#76
20120273414
2012-11-01

Diffusion aeration for water and wastewater treatment

#77
20110281338
2011-11-17

NITRATE-REMOVING BIOREACTOR, METHOD FOR FORMING NITRATE-REMOVING BIOFILM, AND NITRATE-REMOVING METHOD

#78
20110266218
2011-11-03

Determining biofilm thickness in a membrane supported biofilm reactor

#79
20110186508
2011-08-04

Method for removing contaminants from water using a membrane biofilm reactor

#80
20110180474
2011-07-28

RADIAL FLOW MEMBRANE BIOFILM REACTOR

#81
20110081394
2011-04-07

Methods of attaching a molecule-of-interest to a microtube

#82
20110039296
2011-02-17

Method of attaching a cell-of-interest to a microtube

#83
20110028834
2011-02-03

Use of electrospun microtubes for drug delivery

#84
20110006001
2011-01-13

Method and system for surface water treatment

#85
20100200500
2010-08-12

Bubble-Less Gas Delivery Into Liquid Systems

#86
20100126932
2010-05-27

Method and apparatus for treatment of contaminated liquid

#87
20100126929
2010-05-27

Membrane supported biofilm apparatus

#88
20100089827
2010-04-15

Method for removing contaminants from ground water

#89
20090272689
2009-11-05

Wastewater treatment method

#90
20090250394
2009-10-08

Membrane bioreactor and sewage treatment method

#91
20090095675
2009-04-16

Water treatment bioreactor using hollow filaments

#92
20080314826
2008-12-25

Membrane supported biofilm process for autotropic reduction

#93
20080302720
2008-12-11

Membrane biofilm reactor method for reducing the concentration of oxidized contaminants in ground water

#94
20080264860
2008-10-30

Multi-gas bioreactor and related methods

#95
20080217242
2008-09-11

Methods for total nitrogen removal

#96
20080110827
2008-05-15

Process for providing oxygen to a liquid

#97
20080073256
2008-03-27

WATER TREATMENT APPARATUS

#98
20070012619
2007-01-18

Method for purifying coke waste water using a gas-permeable membrane

#99
20070000825
2007-01-04

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

#100
20060163157
2006-07-27

Supported biofilm process

#101
20060096918
2006-05-11

Biofilm wastewater treatment devices

#102
20060037896
2006-02-23

Supported biofilm apparatus

#103
20060021936
2006-02-02

Membrane supported biofilm process for autotrophic reduction

#104
20050269263
2005-12-08

Methods for total nitrogen removal from waste streams

#105
20050269252
2005-12-08

Water treatment apparatus

#106
20050054087
2005-03-10

Membrane module for gas transfer

#107
20050051481
2005-03-10

Supported biofilm apparatus and process