ClassID:

86319

C02F3/005 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage Combined electrochemical biological processes

Recent Application in this class:
#1
20260125301
2026-05-07

BIOREMEDIATION SYSTEMS FOR WASTEWATER TREATMENT AND METHODS FOR THE USE THEREOF

#2
20260070826
2026-03-12

MINERAL RECOVERY AND CHEMICAL PRODUCTION FROM PRODUCED WATER IN A GAS OIL SEPARATION PLANT

#3
20260070823
2026-03-12

METHOD FOR REDUCING TOXICITY OF WASTEWATER

#4
20260049014
2026-02-19

PROCESS FOR THE DEGRADATION OF ONE OR MORE HYDROCARBONS

#5
20260015270
2026-01-15

MICROBIAL SUPPORTS FOR TREATING WATER

#6
20250388502
2025-12-25

BIOELECTROACTIVE AMMONIA EXTRACTION MEMBRANE FOR AMMONIA RECOVERY FROM WASTEWATER AND PREPARATION METHOD THEREOF

#7
20250368555
2025-12-04

Microbial Battery Membrane Bioreactor

#8
20250313501
2025-10-09

WASTEWATER TREATMENT METHOD WITH MAXIMIZATION OF BIOGAS PRODUCTION COMPRISING AN ELECTRO-OXIDATION STEP

#9
20250250188
2025-08-07

Water Purification Apparatus And Water Purification System

#10
20250154037
2025-05-15

INTEGRATED SYNCHRONOUS NITROGEN AND SULFUR REMOVAL DEVICE AND WASTEWATER TREATMENT METHOD

#11
20250136491
2025-05-01

APPARATUS AND METHOD FOR TREATING OIL-CONTAINING SLUDGE WITH METAL-FRICHED BIOCHAR

#12
20250079493
2025-03-06

MICROORGANISM, MICROBIAL FUEL CELL COMPOSITION, MICROBIAL FUEL CELL, MICROBIAL ELECTROLYSIS CELL COMPOSITION, AND MICROBIAL ELECTROLYSIS CELL

#13
20250051205
2025-02-13

BIOGAS PRODUCTION DEVICE INCLUDING CONDUCTIVE SUPPORT-BASED DYNAMIC MODULE AND BIOGAS PRODUCTION METHOD USING SAME DEVICE

#14
20250011204
2025-01-09

Method and Composition for the Recirculation Remediation of Contaminants

#15
20240417295
2024-12-19

SCALABLE CONTINUOUS FLOW MICROBIAL FUEL CELLS

#16
20240417294
2024-12-19

OPTIMISED BIO-ELECTROCHEMICAL REACTOR, IN PARTICULAR FOR DEGRADATION OF THE CHEMICAL OXYGEN DEMAND OF AN EFFLUENT

#17
20240391809
2024-11-28

SCALABLE FLOATING MICRO-AERATION UNIT, DEVICES AND METHODS

#18
20240351920
2024-10-24

BIOREACTOR AND CARBON DIOXIDE RECYCLING SYSTEM

#19
20240304846
2024-09-12

PLANT-BASED ELECTROCHEMICAL DEVICE AND METHOD FOR ECOLOGICAL RESTORATION OF POLLUTED RIVER OR LAKE

#20
20240294410
2024-09-05

Environmental-friendly Process for the Treatment of Wastewater

#21
20240287426
2024-08-29

ELECTROCHEMICAL SYSTEM FOR SIMULTANEOUS CARBON DIOXIDE CAPTURE/RELEASE AND HYDROGEN PRODUCTION

#22
20240262724
2024-08-08

Staggered electrode bio-electro-Fenton groundwater circulation well system, and electro-Fenton assembly

#23
20240145750
2024-05-02

Microbial fuel cell cathode and method of making same

#24
20240140848
2024-05-02

ELECTROCHEMICAL NITROGEN AND PHOSPHORUS REMOVAL DEVICE AND METHOD

#25
20240101453
2024-03-28

BIOELECTROCHEMICAL SYSTEM FOR WATER DEIONIZATION AND DESALINATION, WASTEWATER TREATMENT AND ENERGY RECOVERY

#26
20240051856
2024-02-15

BIOFILM GROWTH-CONTROLLING DEVICE AND METHOD

#27
20240034656
2024-02-01

Devices for kitchen waste digestion

#28
20240025784
2024-01-25

ANAEROBIC WASTE DIGESTION SYSTEM

#29
20230339791
2023-10-26

SMALL BIO-REACTOR PLATFORM (SBP) TECHNOLOGY AS MICROBIAL ELECTROCHEMICAL SYSTEMS

#30
20230331604
2023-10-19

METHOD FOR THE ELECTROCHEMICAL CONTROL OF THE PHOTOSYNTHETIC METABOLISM OF PURPLE NON-SULFUR BACTERIA AND REDOX MEDIATORS THEREOF

#31
20230331603
2023-10-19

Method for enhancing denitrification of sewage with low carbon-to-nitrogen ratio by using electrode biocarrier

#32
20230322596
2023-10-12

Use of conductive particles suspended in electrolyte to enhance biodegradation rate

#33
20230312381
2023-10-05

BIOELECTROCHEMICAL BIOREACTOR

#34
20230234867
2023-07-27

BIOREMEDIATION SYSTEMS FOR WASTEWATER TREATMENT AND METHODS FOR THE USE THEREOF

#35
20230205236
2023-06-29

Fluid flow control for water treatment systems

#36
20230183112
2023-06-15

CONCURRENT RAW AND AERATED WASTEWATER TREATMENT METHOD USING BIOELECTROCHEMICAL SYSTEM

#37
20230163336
2023-05-25

Plant-sediment microbial fuel cell system for wastewater treatment with self-contained power sustainability

#38
20230159360
2023-05-25

Electroactive bio-carrier module and sewage treatment device with same

#39
20230123627
2023-04-20

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

#40
20230106264
2023-04-06

WASTEWATER TREATMENT SYSTEMS AND METHODS

#41
20230073910
2023-03-09

MICROBIAL ELECTROCHEMICAL LIGNIN AND ALKALINE HYDROXIDE RECOVERY FROM DEACETYLATION AND MECHANICAL REFINING OF BLACK LIQUOR

#42
20230062682
2023-03-02

MEC REACTOR SYSTEM FOR STRENGTHENING ANAEROBIC DIGESTION

#43
20230045512
2023-02-09

BIOPOWERPLANT: THIRD GENERATION BIOREFINERY WITH IMPROVED CAPACITY TO USE DOMESTIC WASTEWATER, LANDFILL LEACHATE AND SEA SALT WATER AS AN INPUT TO GENERATE GREEN ENERGY, WATER FOR REUSE, BIOFUEL, ORGANIC FERTILIZERS AND CAPTURE ATMOSPHERIC CO2

#44
20230034944
2023-02-02

Processes for treatment of wastewater

#45
20230022680
2023-01-26

Graphene-magnetite conductive skeleton electrode, preparation method and application thereof, and method for treating petrochemical wastewater

#46
20230017068
2023-01-19

High flux anaerobic membrane bioreactor

#47
20220399560
2022-12-15

BIOELECTROCHEMICAL SYSTEM FOR TREATMENT OF ORGANIC LIQUID WASTES

#48
20220388879
2022-12-08

BIOFILMS IN BIOELECTROCHEMICAL ENERGY CONVERSION CELLS

#49
20220348483
2022-11-03

Bio-electrochemical sensor and method for optimizing performance of a wastewater treatment system

#50
20220306501
2022-09-29

MICROBIAL ELECTROCHEMICAL ELECTRODES

#51
20220177343
2022-06-09

Combined waste water and gas treatment system for efficiently decarbonizing and removing nitrogen

#52
20220177342
2022-06-09

System for biological nitrogen removal and negative carbon discharge from wastewater with low carbon-to-nitrogen ratio

#53
20220153617
2022-05-19

Dynamic membrane reactor with function of nitrogen and phosphorus removal and operation method thereof

#54
20220098069
2022-03-31

Scalable floating micro-aeration unit, devices and methods

#55
20220098068
2022-03-31

Scalable continuous flow microbial fuel cells

#56
20220064035
2022-03-03

Bio-trickling filter box device capable of purifying organic wastewater and generating electricity

#57
20220033286
2022-02-03

Biofilm electrochemical reactor for simultaneously removing nitrate nitrogen and trace organic matters in water

#58
20210351427
2021-11-11

Z-scheme microbial photoelectrochemical system (MPS) for wastewater-to-chemical fuel conversion

#59
20210347662
2021-11-11

METHODS AND APPARATUS FOR CONTROLLING OR DESTROYING RED TIDE

#60
20210340039
2021-11-04

Bioelectrochemical reactor with double bioanode, method for anodic regeneration and use of the reactor for microbial electrosynthesis

#61
20210317018
2021-10-14

SYSTEMS AND METHODS FOR REMEDIATING AQUACULTURE SEDIMENT

#62
20210286381
2021-09-16

Fluid flow control for water treatment systems

#63
20210269338
2021-09-02

Method of Treating High Strength Wastewater by Anaerobic Bio Reactor

#64
20210206674
2021-07-08

Method and device for treating ammonia-nitrogen wastewater using microbial electrolysis cell assisted SANI system

#65
20210130204
2021-05-06

BACTERIA-BASED CATALYSTS AND METHOD OF MAKING

#66
20210061687
2021-03-04

FUNCTIONALIZATION OF ELECTRODES WITH ELECTRICIGENIC MICROORGANISMS AND USES THEREOF

#67
20210032130
2021-02-04

Fiber-optic integrated membrane reactor

#68
20210009450
2021-01-14

Method for changing filler pollutant accumulation of constructed wetland

#69
20200339453
2020-10-29

Bioelectrochemical method and apparatus for energy reclamation from nitrogen compounds

#70
20200317544
2020-10-08

PURIFICATION UNIT AND PURIFICATION DEVICE

#71
20200317543
2020-10-08

PURIFICATION UNIT AND PURIFICATION DEVICE

#72
20200277211
2020-09-03

OXIDANT ENHANCED FEAMMOX ACTIVITY

#73
20200270153
2020-08-27

Scalable floating micro-aeration unit, devices and methods

#74
20200270152
2020-08-27

Scalable continuous flow microbial fuel cells

#75
20200165148
2020-05-28

A METHOD USING PHOTOCATALYTIC ELECTRODE COUPLED WITH MICROBIAL FUEL CELL TO PROMOTE TREATMENT OF COKING WASTEWATER

#76
20200140300
2020-05-07

Wastewater synergistic treatment acceleration device

#77
20200131063
2020-04-30

Multi-purpose bio-electrical modules and procedures

#78
20200083553
2020-03-12

Microbial fuel cell cathode and method of making same

#79
20200062624
2020-02-27

HIGH-EFFICIENCY BIO-ELECTROCHEMICAL WASTEWATER TREATMENT SYSTEM FOR COPPER REMOVAL

#80
20200048119
2020-02-13

Process and system for wastewater treatment

#81
20200031692
2020-01-30

Electrodes for cost-effective bio-electrochemical systems

#82
20200010345
2020-01-09

Method of desalination and wastewater treatment in a microbial desalination cell reactor

#83
20200002200
2020-01-02

Scalable continuous flow microbial fuel cells

#84
20190389751
2019-12-26

Bio-electrochemical sensor and method for optimizing performance of a wastewater treatment system

#85
20190387722
2019-12-26

Water quality purification device, water purifier and aquarium using the same

#86
20190381543
2019-12-19

METHOD FOR RECYCLING USED ABSORBENT ARTICLES

#87
20190322558
2019-10-24

Microbial Electrochemical Cell and direct salt recovery

#88
20190296381
2019-09-26

MICROBIAL FUEL CELL AND WASTE LIQUID TREATMENT SYSTEM

#89
20190263695
2019-08-29

Method of treating high strength wastewater by anaerobic bio reactor

#90
20190225518
2019-07-25

Wastewater treatment with in-film microbial heating

#91
20190218125
2019-07-18

Method for treating a black and odorous water body with a bionic process

#92
20190218124
2019-07-18

Device for treating a black and odorous water body with a bionic process

#93
20190194040
2019-06-27

Reactors and methods for producing and recovering extracellular metal or metalloid nanoparticles

#94
20190169054
2019-06-06

Liquid waste treatment system

#95
20190119821
2019-04-25

Method for treating spent caustic to recover caustic and sulphur by a bioelectrochemical process

#96
20190119136
2019-04-25

Ternary sewage treatment method integrating microbial fuel cells with anaerobic acidification and forward osmosis membrane

#97
20190119133
2019-04-25

Method for advanced bioelectrochemical treatment of pollutants

#98
20190115608
2019-04-18

ELECTRODE, FUEL CELL AND WATER TREATMENT DEVICE

#99
20190112212
2019-04-18

BIO-ELECTROCHEMICAL SYSTEM FOR TREATING WASTEWATER

#100
20190106341
2019-04-11

Multi-zone process and apparatus for treating wastewater

#101
20190039931
2019-02-07

Multi-stage wastewater treatment and hydroponic farming device

#102
20190020048
2019-01-17

MICROBIAL FUEL CELL

#103
20190006693
2019-01-03

Microbial fuel cell arrangement and method for operating it

#104
20180366755
2018-12-20

Microbial fuel cell unit, use thereof, and microbial fuel cell arrangement

#105
20180294501
2018-10-11

ELECTRODE ASSEMBLY, AND MICROBIAL FUEL CELL AND WATER TREATMENT DEVICE USING SAME

#106
20180248214
2018-08-30

Method for reducing fouling of a microbial fuel cell, cleaning agent composition and its use

#107
20180230028
2018-08-16

Z-scheme microbial photoelectrochemical system (MPS) for wastewater-to-chemical fuel conversion

#108
20180191015
2018-07-05

Electroactive cultures and apparatuses therefor

#109
20180187320
2018-07-05

Valuable metal selectively adsorbing electrode and method for selectively recovering valuable metals

#110
20180166760
2018-06-14

Biological and stand-alone super-capacitors for water treatment

#111
20180141836
2018-05-24

ELECTROCHEMICAL REMOVAL OF SULFIDE SPECIES AND PHOSPHORUS SPECIES

#112
20180134580
2018-05-17

Ecological method for denitrification and phosphorus removal in wastewater treatment process

#113
20180071800
2018-03-15

Breakdown of fuel components and solvents in groundwater and contaminated soil

#114
20180044210
2018-02-15

Systems and devices for treating and monitoring water, wastewater and other biodegradable matter

#115
20180016169
2018-01-18

MICROBIAL FUEL CELL SYSTEM

#116
20180013161
2018-01-11

MICROBIAL FUEL CELL SYSTEM

#117
20170346122
2017-11-30

Method and apparatus for bio-electrically generating power from organic ingredients of a waste water

#118
20170334751
2017-11-23

Reactive electrochemical membrane filtration

#119
20170313601
2017-11-02

Fiber-optic integrated membrane reactor

#120
20170309942
2017-10-26

ELECTRODE, FUEL CELL AND WATER TREATMENT DEVICE

#121
20170298339
2017-10-19

Engineered Stable Microorganism/Cell Communities

#122
20170279147
2017-09-28

Modular bioelectrochemical systems and methods

#123
20170247273
2017-08-31

System and method to control HOlevel in advanced oxidation processes

#124
20170225975
2017-08-10

Removal of phosphorus from sewage by electrode metal addition

#125
20170207474
2017-07-20

Electrode, and fuel cell and water treatment equipment each using same

#126
20170066668
2017-03-09

HIGHLY EFFECTIVE SEWAGE TREATMENT BASED ON REGULATION AND CONTROL OF DIRECTED ELECTRON FLOW AND APPARATUS THEREOF

#127
20160362800
2016-12-15

Carbon dioxide capture and storage electrolytic methods

#128
20160326031
2016-11-10

Anaerobic electrochemical membrane bioreactor and process for wastewater treatment

#129
20160159673
2016-06-09

Wastewater treatment plant and method for treatment of waste sludge

#130
20160137536
2016-05-19

Bioelectrochemical system having polyvalent ion removing function

#131
20160111737
2016-04-21

Fuel cell system and fuel cell system module

#132
20160081311
2016-03-24

Aquarium bacteria management device

#133
20160052810
2016-02-25

Liquid processing apparatus

#134
20160036083
2016-02-04

Electroactive cultures and apparatuses therefor

#135
20150353393
2015-12-10

Electrobiochemical reactor and related method to enhance microbial/enzyme function in transforming or removing contaminants from a liquid

#136
20150349350
2015-12-03

Microbial fuel cell and methods of use

#137
20150210575
2015-07-30

BIOLOGICAL TREATMENT SYSTEMS UTILIZING SELECTIVELY PERMEABLE BARRIERS

#138
20150203374
2015-07-23

Method and reactor for removing organic matters by immobilized-enzymatic electrode coupled electro-coagulation

#139
20150147593
2015-05-28

Electrodes for cost-effective bio-electrochemical systems

#140
20150104670
2015-04-16

MATERIALS AND CONFIGURATIONS FOR SCALABLE MICROBIAL FUEL CELLS

#141
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

#142
20150068906
2015-03-12

Photocatalyst

#143
20150064501
2015-03-05

Modular bioelectrochemical systems and methods

#144
20150017089
2015-01-15

Method for nitrogen recovery from an ammonium comprising fluid and bio-electrochemical system

#145
20150014169
2015-01-15

Electrochemical processes to separate products derived from biological conversions

#146
20150001094
2015-01-01

Processes and apparatuses for removal of carbon, phosphorus and nitrogen

#147
20140141286
2014-05-22

PLEATED CATHODE ELECTRODE: HIGH SURFACE AREA, LIGHT-WEIGHT, MODIFIED PACKED-BED ELECTRODE FOR OXYGEN REDUCTION

#148
20140069806
2014-03-13

Bio-electrochemical systems

#149
20140061127
2014-03-06

Urea-based system for energy and waste recovery in water recycling

#150
20140054209
2014-02-27

ELECTROBIOCHEMICAL REACTOR

#151
20140001120
2014-01-02

REMOVAL OF PHOSPHORUS FROM SEWAGE BY ELECTRODE METAL ADDITION

#152
20130341267
2013-12-26

TREATMENT FOR MOLASSES SPENT WASH AND OTHER WASTEWATERS

#153
20130299400
2013-11-14

Bio-electrochemical system for treating wastewater

#154
20130266876
2013-10-10

Spirally wound microbial fuel cell

#155
20130256149
2013-10-03

Microbial electrolysis cells and methods for the production of chemical products

#156
20130137000
2013-05-30

Modular energy recovering water treatment devices

#157
20130112601
2013-05-09

Denitrification and pH control using bio-electrochemical systems

#158
20130059169
2013-03-07

HIGH EFFICIENCY MICROBIAL FUEL CELL

#159
20130032533
2013-02-07

Integrated membrane system for distributed water treatment

#160
20130017415
2013-01-17

Integrated photo-bioelectrochemical systems

#161
20130017414
2013-01-17

Osmotic bioelectrochemical systems

#162
20130011697
2013-01-10

HIGH EFFICIENCY MICROBIAL FUEL CELL

#163
20130011696
2013-01-10

Microbial Fuel Cell Process which Maximizes the Reduction of Biodegradable Materials Contained in a Fluid Stream

#164
20120276418
2012-11-01

Microbial fuel cell for in-situ treatment of sediment simultaneous with electricity generation and method of using the same

#165
20120273412
2012-11-01

Treatment of waste product

#166
20120219984
2012-08-30

METHOD FOR THE ANAEROBIC TREATMENT OF A WASTEWATER AND ASSOCIATED DEVICE

#167
20120152835
2012-06-21

FUEL CELL DEVICES FOR USE IN WATER TREATMENT AND RECLAMATION PROCESSES

#168
20120132521
2012-05-31

Systems and devices for treating water, wastewater and other biodegradable matter

#169
20120115045
2012-05-10

MICROBIAL FUEL CELL

#170
20120100590
2012-04-26

MICROBIALLY-ASSISTED WATER ELECTROLYSIS FOR IMPROVING BIOMETHANE PRODUCTION

#171
20120070696
2012-03-22

Methods for enhanced oxidative and reductive remediation

#172
20120055871
2012-03-08

Electrolysis method, and method and plant for the pretreatment of raw water

#173
20110315561
2011-12-29

TREATMENT OF SOLUTIONS OR WASTEWATER

#174
20110315560
2011-12-29

PROCESS FOR THE PRODUCTION OF CHEMICALS

#175
20110311887
2011-12-22

MICROBIAL DESALINATION CELLS

#176
20110303605
2011-12-15

Electrobiochemical Reactor

#177
20110281139
2011-11-17

Wastewater Treatment Process and Device for Electricity Generation and Desalination Simultaneously

#178
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

#179
20110076519
2011-03-31

Systems and Methods for Sustainable Wastewater and Biosolids Treatment

#180
20110042235
2011-02-24

Process and Equipment for the Oxidation of Organic Matter

#181
20100270158
2010-10-28

DESALINATION DEVICES AND METHODS

#182
20100264039
2010-10-21

Agricultural water-recycling system comprising Fe-ionizing module and method for recycling agricultural water using the same

#183
20100200495
2010-08-12

Microbial fuel cell treatment of fuel process wastewater

#184
20100151279
2010-06-17

ELECTRODES AND METHODS FOR MICROBIAL FUEL CELLS

#185
20100051542
2010-03-04

Wastewater treatment system and method

#186
20090166280
2009-07-02

WASTEWATER PURIFYING SYSTEM IN HOSPITALS

#187
20090166271
2009-07-02

WATER CIRCULATION TREATMENT SYSTEM IN HOUSING ESTATE

#188
20090166208
2009-07-02

ELECTROBIOLOGICAL TREATMENT DEVICE FOR ORGANIC SEWAGE

#189
20090159455
2009-06-25

Bio-electrochemically assisted microbial reactor that generates hydrogen gas and methods of generating hydrogen gas

#190
20090142627
2009-06-04

Biological Power Generator, and Method of Treating Organic Solid Pollutant-Containing Waste, a Method of Treating Organic Polymeric Substance-Containing Wastewater, a Method of Treating Organic Substance-Containing Wastewater, as Well as Apparatuses for Implementing These Treatment Methods

#191
20080292912
2008-11-27

ELECTRODES AND METHODS FOR MICROBIAL FUEL CELLS

#192
20080277273
2008-11-13

Electrohydrogenic reactor for hydrogen gas production

#193
20070298472
2007-12-27

Electrode compositions and configurations for electrochemical bioreactor systems

#194
20070259217
2007-11-08

Materials and configurations for scalable microbial fuel cells

#195
20070218540
2007-09-20

Bioelectrolytical methanogenic/methanotrophic coupling for bioremediation of ground water

#196
20060011491
2006-01-19

Bio-electrochemically assisted microbial reactor that generates hydrogen gas and methods of generating hydrogen gas

#197
20050230268
2005-10-20

Combined electrochemical system for scale treatment and eradicating bacteria in water supply systems

#198
18669020
2024-11-19

Preparation method for modified cathode of MEC-AD system and application of system with high efficiency and low energy consumption

#199
18408166
2025-01-21

Method of fabricating carbon quantum dots using camel hair

#200
13682251
2014-09-09

Residential wastewater purification system