ClassID:

86358

C02F3/1284 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes; Activated sludge processes; Provisions for mixing or aeration of the mixed liquor Mixing devices

Recent Application in this class:
#1
20250230082
2025-07-17

METHOD FOR TREATING HIGH-CONCENTRATION FERMENTATION BY-PRODUCTS GENERATED IN AMINO ACID FERMENTATION PROCESS

#2
20250197262
2025-06-19

Wastewater Biological Selector System and Methods for Treating Wastewater Process Fluid

#3
20250135417
2025-05-01

ADJUSTABLE GAS SIPHON FOR MIXING DENSIFIED SOLIDS IN WATER SYSTEMS

#4
20240262725
2024-08-08

SYSTEMS AND METHODS FOR CREATING AND SEGMENTING TREATMENT PROCESSES

#5
20240002267
2024-01-04

CHEMICAL SEWAGE TREATMENT AND REUSE SYSTEM

#6
20230406741
2023-12-21

SYSTEM AND METHOD FOR AUTO-FLOCCULATION OF WASTEWATER

#7
20230382774
2023-11-30

SYSTEM AND METHOD FOR CULTIVATION OF OXYGENIC PHOTOGRANULE

#8
20230202892
2023-06-29

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

#9
20230038072
2023-02-09

Systems and methods for creating and segmenting treatment processes

#10
20220266208
2022-08-25

Large bubble mixer and method of using same in a wastewater treatment system

#11
20220234924
2022-07-28

WASTEWATER PURIFICATION APPARATUS AND PROCESS FOR PURIFYING WASTEWATER

#12
20220080371
2022-03-17

DEVICE FOR INJECTING FLUID INTO A LIQUID, METHOD FOR CLEANING SAID DEVICE, AND EFFLUENT TREATMENT INSTALLATION

#13
20220064036
2022-03-03

Control System for Optimizing Mixing and Energy Usage for Mixing Systems

#14
20210370244
2021-12-02

SYSTEMS AND METHODS FOR CONTROLLED DEVELOPMENT AND DELIVERY OF GAS AND LIQUID MIXTURES

#15
20210317021
2021-10-14

METHOD FOR OPTIMIZING THE ENERGY CONSUMPTION OF AN AERATOR IN THE FIELD OF WATER TREATMENT

#16
20210198132
2021-07-01

METHODS AND APPARATUSES FOR WATER, WASTEWATER, AND WASTE TREATMENT

#17
20210179465
2021-06-17

Method and device for controlling pollutants in basin water resources cycling utilization in agricultural activity areas

#18
20210147268
2021-05-20

Method for enhancing biochemical water treatment by powder carrier

#19
20210139359
2021-05-13

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

#20
20210047216
2021-02-18

Methods and systems for treating liquids including contaminant molecules

#21
20210047214
2021-02-18

SYSTEMS AND METHODS FOR WATER AND SOLIDS TREATMENT

#22
20210031153
2021-02-04

Apparatus and arrangement for introducing a gas into a main medium in particular in waste water treatment

#23
20210009451
2021-01-14

High solids dissolved air flotation system and methods

#24
20200354247
2020-11-12

Anaerobic ammoxidation synergistic nitrogen removal process device of municipal sewage main and side streams and application method thereof

#25
20200325050
2020-10-15

Method and Device for Biological Waste Water Purification

#26
20200156029
2020-05-21

Method for determining flow velocity of a liquid in a circulation channel

#27
20200131065
2020-04-30

Sewage/wastewater treatment system using granular activated sludge and membrane bio-reactor and sewage/wastewater treatment method using the same

#28
20200079667
2020-03-12

Control system for optimizing mixing and energy usage for mixing systems

#29
20200055756
2020-02-20

Eductor-based membrane bioreactor

#30
20190248687
2019-08-15

System and method for combined microorganism degradation and air sparging-soil vapor extraction of oil-containing sludge

#31
20190161953
2019-05-30

Organic waste treatment process and device

#32
20180127292
2018-05-10

Systems and methods for formation of biologically active granules and biologically active granules

#33
20180057380
2018-03-01

Method for controlling a treatment apparatus arrangement, a treatment apparatus arrangement for a treatment plant as well as a treatment plant

#34
20170240447
2017-08-24

Systems for microorganism sustenance in an activated sludge unit

#35
20170203984
2017-07-20

Sewage/wastewater treatment system using granular activated sludge and membrane bio-reactor and sewage/wastewater treatment method using the same

#36
20170144909
2017-05-25

Method of controlling a circulation-type wastewater treatment plant via a stored parameter relationship in a control unit

#37
20170081224
2017-03-23

Plant and control method for aerobic treatment

#38
20170014782
2017-01-19

Gas injection method and apparatus

#39
20160368797
2016-12-22

Sludge treatment system and sludge treatment method

#40
20160304370
2016-10-20

Methods and apparatuses for water, wastewater, and waste treatment

#41
20160280573
2016-09-29

Adjustable variable bubble size aeration for submerged membrane air scour

#42
20160272523
2016-09-22

Wastewater Treatment Method, System and Pollutant Decomposition Activity Measuring Method

#43
20160200607
2016-07-14

Eductor-based membrane bioreactor

#44
20160107909
2016-04-21

Orbital wastewater treatment system and method of operating same

#45
20160068421
2016-03-10

Methods and apparatus for controlled scrubbing and aeration of liquid medium

#46
20160039693
2016-02-11

IMPROVED WASTEWATER TREATMENT SYSTEMS AND METHODS

#47
20150063998
2015-03-05

Horizontal agitator

#48
20150053613
2015-02-26

Activated sludge treatment method, and method for upgrading existing waste water treatment equipment using said method

#49
20150048012
2015-02-19

Bioreactor

#50
20150027947
2015-01-29

Activated sludge treatment method, and method for upgrading existing waste water treatment equipment using said method

#51
20140158614
2014-06-12

Apparatus for water, wastewater, and waste treatment

#52
20140138309
2014-05-22

Device and method for sewage treatment using constant magnetic field

#53
20140001119
2014-01-02

Ballasted sequencing batch reactor system and method for treating wastewater

#54
20130256225
2013-10-03

Orbital wastewater treatment system and associated method of operating an orbital wastewater treatment system

#55
20130220944
2013-08-29

Methods and apparatus for aeration of liquid medium and vectoring flow control

#56
20130208557
2013-08-15

Gas injection method and apparatus

#57
20130147068
2013-06-13

Methods and apparatus for controlled scrubbing and aeration of liquid medium

#58
20130056400
2013-03-07

LIQUID MIXING AND PUMPING SYSTEM, WASTE WATER TREATMENT SYSTEM COMPRISING THE SAME, AND RELATED METHOD

#59
20130020254
2013-01-24

Ballasted sequencing batch reactor system and method for treating wastewater

#60
20130015128
2013-01-17

Biological waste digester

#61
20120267305
2012-10-25

METHOD AND DEVICE FOR BIOLOGICALLY CLEANING WASTEWATER

#62
20120264205
2012-10-18

MICROBIAL DECOMPOSITION TREATMENT DEVICE AND ORGANIC SUBSTANCE TREATMENT UNIT

#63
20120255917
2012-10-11

DEVICE FOR CLEANING WASTEWATER

#64
20120171753
2012-07-05

SYSTEM AND METHOD FOR TREATING MATERIALS IN POOLS

#65
20110120945
2011-05-26

Apparatus and process for wastewater treatment and biological nutrient removal in activated sludge systems

#66
20110100908
2011-05-05

Waste Water Treatment

#67
20100213123
2010-08-26

Ballasted sequencing batch reactor system and method for treating wastewater

#68
20100201008
2010-08-12

Stirring device for activated sludges

#69
20100187187
2010-07-29

Plant for aerobic and anaerobic digestion treatment by PFR

#70
20100182869
2010-07-22

Stirring device for activated sludges

#71
20100181263
2010-07-22

Method for stirring and/or aerating fluids, particularly sewage, particularly using a floodable aerator

#72
20100133157
2010-06-03

Water treatment apparatus adaptible to natural water environment

#73
20100096343
2010-04-22

Horizontal agitator and method for producing a flow in a clearing basin using the horizontal agitator

#74
20090302487
2009-12-10

Wastewater treatment system and method of using same

#75
20090127213
2009-05-21

Agitating device and method for sewage treatment

#76
20090075364
2009-03-19

SYSTEM FOR MIXING HIGH VISCOUS LIQUIDS WITH GAS

#77
20080128351
2008-06-05

Water treatment clarifier baffle

#78
20080118946
2008-05-22

Method for mixing high viscous liquids with gas

#79
20080116132
2008-05-22

System and method for oxygenating an aerobic sludge digester

#80
20080023387
2008-01-31

Reciprocating biological contactor and method of use

#81
20070176307
2007-08-02

Wastewater treatment system and method of using same

#82
20060254980
2006-11-16

Mixer for use in wastewater treatment processes

#83
20060254979
2006-11-16

Mixer and process controller for use in wastewater treatment processes

#84
20060254977
2006-11-16

Mixer for use with media in wastewater treatment

#85
20060249453
2006-11-09

Method for biologically purifying waste water

#86
20050161838
2005-07-28

Stirring and aerating device for activated sludges

#87
15978803
2020-08-25

Submersible aerator and mixing apparatus

#88
15621830
2020-07-14

Universal bridge and wall mounted aeration apparatus

#89
14515473
2017-06-13

Universal bridge and wall mounted aeration apparatus

#90
13662787
2015-09-08

Liquid aeration device