ClassID:

86378

C02F3/26 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes; Activated sludge processes using pure oxygen or oxygen-rich gas

Recent Application in this class:
#1
20260001795
2026-01-01

RETROFITTABLE SYSTEM FOR WASTEWATER TREATMENT THROUGH PRIORITIZATION OF MICROORGANISM DIGESTION FUNCTION

#2
20240392236
2024-11-28

NANOBUBBLES FOR ANAEROBIC PROCESSES

#3
20240351924
2024-10-24

PUMP-BASED SYSTEM FOR WASTEWATER TREATMENT THROUGH MICROORGANISM BIOCHEMICAL PATHWAY OPTIMIZATION

#4
20240336504
2024-10-10

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

#5
20240270619
2024-08-15

Reflux unit and sewage treatment system

#6
20230373830
2023-11-23

Atomizer-based system for wastewater treatment through microorganism biochemical pathway optimization

#7
20220289604
2022-09-15

METHOD FOR REDUCING HIGH LEVEL NUTRIENT CONTAMINANTS FROM PROCESS WASTEWATER

#8
20220163957
2022-05-26

Method for detecting anomalies in a water treatment plant using an apparatus for injecting oxygen into a waste pool

#9
20220162105
2022-05-26

Method and system for vertically utilizing unconventional water source

#10
20220039361
2022-02-10

Industrial fish breeding complex and a method of water regeneration

#11
20210331956
2021-10-28

METHODS FOR WASTEWATER TREATMENT

#12
20210317021
2021-10-14

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

#13
20210276909
2021-09-09

Nitrogen sparging assisted anoxic biological water treatment system

#14
20210269336
2021-09-02

Remediation and/or restoration of an anoxic body of water

#15
20210246056
2021-08-12

Method for wastewater treatment through microorganism biochemical pathway optimization

#16
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

#17
20210171379
2021-06-10

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

#18
20210061688
2021-03-04

Aerobic biological treatment apparatus

#19
20210032123
2021-02-04

Cleaning Device for Ponds

#20
20200270155
2020-08-27

System and method for wastewater treatment through microorganism biochemical pathway optimization

#21
20200189945
2020-06-18

Apparatus for the bio-remediation of a waste water composition

#22
20200180984
2020-06-11

Biological activated carbon treatment apparatus

#23
20200148566
2020-05-14

AEROBIC BIOLOGICAL TREATMENT METHOD

#24
20200062625
2020-02-27

System for wastewater treatment through controlling microorganism purification functions

#25
20200055757
2020-02-20

System and method for controlled gas-dispersion-return-sludge-based wastewater treatment

#26
20200017386
2020-01-16

Wastewater treatment system, air supply amount control device, and air supply amount control method

#27
20190322559
2019-10-24

System and method for wastewater treatment using selective gas-dispersion return sludge delivery

#28
20190262783
2019-08-29

Ultrafine bubble generation device for aquaculture or wastewater treatment

#29
20190185353
2019-06-20

Gas injection and recycling apparatus and methods

#30
20180265383
2018-09-20

Membrane aerated biofilm reactor

#31
20180111843
2018-04-26

Cleaning Device for Ponds

#32
20180072597
2018-03-15

WATER TREATMENT SYSTEM AND WATER TREATMENT PROCESS

#33
20170129794
2017-05-11

WASTEWATER TREATMENT OPERATIONAL METHOD

#34
20170050872
2017-02-23

Wastewater treatment system

#35
20170014782
2017-01-19

Gas injection method and apparatus

#36
20160289109
2016-10-06

ENHANCED TREATMENT SHAFT

#37
20150360981
2015-12-17

Process for treating effluents containing nitrogen in ammonium form, and equipment for implementing this process

#38
20150218023
2015-08-06

Method and apparatus for the treatment of water with a gas or nutrient infused liquid

#39
20140231346
2014-08-21

Accelerated processing

#40
20140076803
2014-03-20

“In-situ” ballast water treatment method and system

#41
20130256217
2013-10-03

Process and apparatus for controlling aeration during nitrification and denitrification of water

#42
20130233809
2013-09-12

WATER TREATMENT SYSTEM AND METHOD

#43
20130208557
2013-08-15

Gas injection method and apparatus

#44
20130140231
2013-06-06

Method for sludge ozonation in a wastewater treatment system

#45
20120325741
2012-12-27

Systems and methods for wastewater treatment

#46
20120318735
2012-12-20

PROCESS FOR THE THERMOPHILIC AEROBIC TREATMENT OF CONCENTRATED ORGANIC WASTE WATER AND THE RELATED PLANT

#47
20120279920
2012-11-08

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM AND PROCESS INCLUDING MULTIPLE BIOLOGICAL REACTOR ZONES

#48
20120097608
2012-04-26

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM AND PROCESS INCLUDING SUSPENSION SYSTEM

#49
20110151547
2011-06-23

REACTOR AND METHOD FOR TREATING CONTAMINATED WATER

#50
20110017664
2011-01-27

Suspended media membrane biological reactor system including suspension system and multiple biological reactor zones

#51
20110006001
2011-01-13

Method and system for surface water treatment

#52
20100051521
2010-03-04

Bio tank/gas replenishment system

#53
20090050562
2009-02-26

Method for activated sludge wastewater treatment with high dissolved oxygen levels

#54
20090050552
2009-02-26

System for activated sludge wastewater treatment with high dissolved oxygen levels

#55
20090008311
2009-01-08

Pure Oxygen Aeration System for Wastewater Treatment

#56
20080285376
2008-11-20

Mixer Having Multiple Gas Inlets

#57
20080245729
2008-10-09

Process for aerobic-thermophilic stabilization and disinfection of sludge

#58
20080223782
2008-09-18

Pressurized biological waste water purification process

#59
20080210627
2008-09-04

Process for the aerobic-thermophilic stabilization and disinfection of sludge

#60
20080202995
2008-08-28

FLOW-THROUGH OXYGENATOR

#61
20080179259
2008-07-31

Flow-through oxygenator

#62
20080041773
2008-02-21

Bio tank/oxygen replenishment system

#63
20070218540
2007-09-20

Bioelectrolytical methanogenic/methanotrophic coupling for bioremediation of ground water

#64
20070205152
2007-09-06

Process for biological purification of waste water with simultaneous decomposition of organic and nitrogen-containing compounds

#65
20060150491
2006-07-13

Flow-through oxygenator

#66
20060123988
2006-06-15

Method for producing a useful compound and treating a wastewater using pure oxygen

#67
20060060528
2006-03-23

Method and apparatus for treating organic liquid waste

#68
20060054554
2006-03-16

Method for oxygenating wastewater

#69
20060032815
2006-02-16

Method for the treatment of waste water with sludge granules

#70
20050258094
2005-11-24

Sewage treatment process by activated-sludge method comprising line atomizing treatment

#71
20050236326
2005-10-27

Apparatus and method for aeration of wastewater

#72
20050178725
2005-08-18

Apparatus and method for controlling biomass growth in suspended carrier bioreactor

#73
20050061738
2005-03-24

Wastewater treatment system

#74
16517637
2019-10-29

System and method for wastewater treatment through controlling purification functions of microorganisms based on activated sludge process

#75
16370254
2020-03-10

Conversion of secondary clarifier into an oxic bioreactor by superoxygenation

#76
15956631
2019-01-01

System and method for gas-dispersion-return-sludge-based wastewater treatment