Patents-Review.com
ClassID:

86373 ⎘

C02F3/208 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes; Activated sludge processes using diffusers Membrane aeration

Recent Application in this class:
#1
20250296861
2025-09-25

A SYSTEM AND PROCESS FOR WASTEWATER TREATMENT

 #2
20250263318
2025-08-21

MEMBRANE ASSEMBLY FOR SUPPORTING A BIOFILM

 #3
20250128973
2025-04-24

OXYGEN INFUSION MODULE FOR WASTEWATER TREATMENT

 #4
20240150238
2024-05-09

PERVIOUS CONCRETE COMPOSITION AND MINERAL MEMBRANE HAVING SAME

 #5
20240123407
2024-04-18

MEMBRANE FILTER AND FILTERING METHOD

 #6
20240059595
2024-02-22

PROCESS FOR MANAGING WORMS IN MEMBRANE AERATED BIOFILM

 #7
20230331605
2023-10-19

MEMBRANE ASSEMBLY FOR SUPPORTING A BIOFILM

 #8
20230312384
2023-10-05

METHOD AND SYSTEM FOR WASTEWATER TREATMENT

 #9
20230227341
2023-07-20

Total nitrogen removal device for sewage and method for operating the same

 #10
20230202892
2023-06-29

METHODS FOR INCREASING BIOSOLIDS CAKE DRYNESS THROUGH A FORCED VENTILATION AERATED STATIC PILE BIOLOGICAL DRYING PROCESS

 #11
20230045679
2023-02-09

FLOATING APPARATUS FOR MEMBRANE BIOFILM REACTOR AND PROCESS FOR WATER TREATMENT

 #12
20220356097
2022-11-10

Methods of gas infusion for wastewater treatment

 #13
20220356096
2022-11-10

Systems of gas infusion for wastewater treatment

 #14
20220356093
2022-11-10

Systems of gas infusion for wastewater treatment

 #15
20220355256
2022-11-10

Oxygen infusion module for wastewater treatment

 #16
20220298042
2022-09-22

Efficient self-circulation biological denitrification device and working method therefor

 #17
20220266200
2022-08-25

Method for filtering a liquid and filter device

 #18
20220135456
2022-05-05

SUBMERGED MEMBRANE UNIT WITH SINGLE DROP AERATION

 #19
20220098070
2022-03-31

METHODS FOR TREATING WASTE ACTIVATED SLUDGE

 #20
20210355011
2021-11-18

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

 #21
20210292200
2021-09-23

Nitrite-oxidizing bacteria activity inhibitor and method

 #22
20210276903
2021-09-09

MEMBRANE AERATED SECONDARY CLARIFIER

 #23
20210253460
2021-08-19

Wastewater treatment with suspended growth and membrane aerated biofilm

 #24
20210246058
2021-08-12

Anaerobic and aerobic treatment system and process for landfill wastewater

 #25
20210101811
2021-04-08

AERATED BIOFILM REACTOR HOLLOW FIBRE MEMBRANE

 #26
20210061688
2021-03-04

Aerobic biological treatment apparatus

 #27
20200377397
2020-12-03

Membrane assembly for supporting a biofilm

 #28
20200180984
2020-06-11

Biological activated carbon treatment apparatus

 #29
20200071213
2020-03-05

Process for managing worms in membrane aerated biofilm

 #30
20200048596
2020-02-13

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

 #31
20190389754
2019-12-26

Module, reactor, system and method for treating water

 #32
20190375662
2019-12-12

Systems and methods for treating wastewater

 #33
20190345049
2019-11-14

Waste water treatment method using membrane separation-activated sludge

 #34
20190308143
2019-10-10

Seawater aeration system

 #35
20190218124
2019-07-18

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

 #36
20190151804
2019-05-23

Siphon-type air diffusion device, membrane bioreactor, and water treatment method

 #37
20180370828
2018-12-27

Membrane bioreactor for strengthening membrane fouling control and method thereof

 #38
20180282190
2018-10-04

A CLOGGING RESISTANT BIOFILM-BASED WATER TREATMENT SYSTEM

 #39
20180265383
2018-09-20

Membrane aerated biofilm reactor

 #40
20180251389
2018-09-06

Home sewage treatment system

 #41
20180148361
2018-05-31

MEMBRANE CONNECTOR TO PROMOTE MASS TRANSFER IN A MEMBRANE AERATED BIOFILM REACTOR (MABR)

 #42
20180044211
2018-02-15

Assembly for supporting mixed biofilm

 #43
20180022625
2018-01-25

Process for water treatment using membrane biofilm reactor

 #44
20170346122
2017-11-30

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

 #45
20170291838
2017-10-12

WATER PURIFICATION APPARATUS USING SOLAR POWER

 #46
20170247276
2017-08-31

Module, reactor, system and method for treating water

 #47
20170088450
2017-03-30

Membrane aerated biofilm reactor (MABR)

 #48
20170015968
2017-01-19

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

 #49
20170015572
2017-01-19

AERATED BIOFILM REACTOR HOLLOW FIBRE MEMBRANE

 #50
20160185634
2016-06-30

AIR DIFFUSER AND MEMBRANE BIO-REACTOR

 #51
20160184780
2016-06-30

Assembly for wastewater treatment

 #52
20160145130
2016-05-26

Water treatment device

 #53
20160122705
2016-05-05

Dual-compartment bioreactor for use in wastewater treatment and algal production

 #54
20160023935
2016-01-28

Treatment of municipal wastewater with anaerobic digestion

 #55
20160016833
2016-01-21

OPERATING METHOD FOR ORGANIC WASTEWATER TREATMENT DEVICE AND ORGANIC WASTEWATER TREATMENT DEVICE

 #56
20160009578
2016-01-14

Membrane assembly for supporting a biofilm

 #57
20150336057
2015-11-26

Open bottom multiple channel gas delivery device for immersed membranes

 #58
20150166380
2015-06-18

Membrane supported biofilm apparatus

 #59
20140069860
2014-03-13

MEMBRANE SEPARATION DEVICE

 #60
20130213883
2013-08-22

Treatment of municipal wastewater with anaerobic digestion

 #61
20110151547
2011-06-23

REACTOR AND METHOD FOR TREATING CONTAMINATED WATER

 #62
20110100895
2011-05-05

Membrane module for fluid filtration

 #63
20110000850
2011-01-06

Water treatment

 #64
20100243561
2010-09-30

Local sewage processing unit, sewage treatment system, method of locally processing sewage and sewage treatment process

 #65
20100224556
2010-09-09

Jet aeration apparatus and method of using the same

 #66
20100224545
2010-09-09

Membrane Module for Fluid Filtration

 #67
20100224540
2010-09-09

Membrane module for fluid filtration

 #68
20100126929
2010-05-27

Membrane supported biofilm apparatus

 #69
20080264860
2008-10-30

Multi-gas bioreactor and related methods

 #70
20080110827
2008-05-15

Process for providing oxygen to a liquid

 #71
20080017558
2008-01-24

Methods and Devices for Improved Aeration From Vertically-Orientated Submerged Membranes

 #72
20070012619
2007-01-18

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

 #73
20060163157
2006-07-27

Supported biofilm process

 #74
20060037896
2006-02-23

Supported biofilm apparatus

 #75
20050054087
2005-03-10

Membrane module for gas transfer