ClassID:

86582

C02F2203/002 - CPC Classification

Classification description:

Apparatus and plants for the biological treatment of water, waste water or sewage comprising an initial buffer container

Recent Application in this class:
#1
20260070829
2026-03-12

SYSTEMS AND METHODS FOR TREATING A WASTEWATER STREAM

#2
20250236547
2025-07-24

SYSTEMS AND METHODS OF REMOVING TOXIC SUBSTANCES FROM WATER USING VERMIFILTRATION

#3
20250136485
2025-05-01

HIGH-LOAD ORGANIC WASTEWATER DARK FERMENTATION BIOHYDROGEN PRODUCTION DEVICE AND HYDROGEN PRODUCTION METHOD

#4
20250091922
2025-03-20

PRODUCTION OF SYNTHETIC HYDROCARBONS

#5
20240351925
2024-10-24

DEVICE AND METHOD FOR PURIFYING WASTEWATER

#6
20240331887
2024-10-03

Device for treating uranium tailings with microorganism

#7
20230242429
2023-08-03

SYSTEMS AND METHODS FOR TREATING A WASTEWATER STREAM

#8
20230106586
2023-04-06

Sequencing Batch Reactor Systems and Methods

#9
20230072206
2023-03-09

GRANULAR SLUDGE REACTOR SYSTEM COMPRISING AN EXTERNAL SEPARATOR

#10
20220411298
2022-12-29

Process and plant for treating wastewater containing micropollutants of pharmaceutical origin

#11
20220212973
2022-07-07

Dissolved air flotation system and methods for biological nutrient removal

#12
20210331958
2021-10-28

Granular sludge reactor system comprising an external separator

#13
20210276902
2021-09-09

WASTEWATER TREATMENT SYSTEM

#14
20210094852
2021-04-01

Sequencing batch reactor systems and methods

#15
20210087087
2021-03-25

Simultaneous phase operated anaerobic sequential batch reactor

#16
20210061689
2021-03-04

Method of operating an upflow backwash filter

#17
20200377398
2020-12-03

Partial nitrification-denitrification coupled two-stage autotrophic denitrification advanced nitrogen removal method

#18
20190039919
2019-02-07

Method and apparatus for treating contaminated fluid medium

#19
20180371739
2018-12-27

Total suspended solids reduction system

#20
20180354827
2018-12-13

Bioreactor for wastewater treatment

#21
20180327292
2018-11-15

SYSTEM AND METHOD FOR WASTEWATER TREATMENT PROCESS CONTROL

#22
20180222782
2018-08-09

ANAEROBIC SUSPENDED GROWTH TREATMENT OF CONTAMINATED WATER

#23
20180093907
2018-04-05

Wastewater treatment plant and method for treating wastewater

#24
20180009690
2018-01-11

Flow equalization reactor having multiple wastewater treatment zones

#25
20170240446
2017-08-24

Process for operating an upflow continuous backwash filter

#26
20170081225
2017-03-23

Portable wastewater treatment systems

#27
20170072441
2017-03-16

Treatment of trade effluent from food waste disposal systems

#28
20170022080
2017-01-26

Aerobic treatment system

#29
20170008785
2017-01-12

System and Method for Treating Water with a Biological Based Biocide

#30
20160289107
2016-10-06

Moving bed biofilm reactor for waste water treatment system

#31
20160075577
2016-03-17

Moving bed media flow equalization reactor

#32
20150129590
2015-05-14

Cover systems with fusion welds

#33
20150122731
2015-05-07

Bioremediation reactor system and method

#34
20150090659
2015-04-02

Upflow continuous backwash filter

#35
20150083662
2015-03-26

Anaerobic suspended growth treatment of contaminated water

#36
20150060357
2015-03-05

Wastewater treatment apparatus capable of performing both initial rainwater overflow treatment and primary treatment, and wastewater treatment method according to said apparatus

#37
20150021266
2015-01-22

Operating method for membrane separation device and membrane separation device

#38
20150008169
2015-01-08

Combined bioreactor for the treatment of waste water, by means of anaerobic, aerobic and anoxic processes of degradation of organic matter with zone separator system and collection of biogases, scum and sludge

#39
20140353225
2014-12-04

Treatment of storm water

#40
20140144835
2014-05-29

System and method for harvesting rainwater

#41
20130126431
2013-05-23

Water conversion system

#42
20130126428
2013-05-23

Bioremediation reactor systems and methods

#43
20130001158
2013-01-03

BIORETENTION MODULE, METHOD AND SYSTEM FOR TREATING WATER

#44
20120273412
2012-11-01

Treatment of waste product

#45
20120080374
2012-04-05

OZONE AND ANAEROBIC BIOLOGICAL PRETREATMENT FOR A DESALINATION PROCESS

#46
20120048385
2012-03-01

Aerobic irrigation controller

#47
20120031836
2012-02-09

Compact upright bioreactor for the elimination of nutrients

#48
20120012525
2012-01-19

Refuse landfill leachate wastewater treatment system and technology

#49
20120006745
2012-01-12

Methods and Systems for Producing Granules of Biomass in the Treatment of Wastewater

#50
20110168611
2011-07-14

Wastewater treatment system and method

#51
20110163022
2011-07-07

Integrated sewage treatment plant

#52
20110100904
2011-05-05

Method and unit for the purification of wastewater with aerobic granular sludge

#53
20110079554
2011-04-07

Method for treating mixed wastewater from pharmaceutical chemical industry park

#54
20100326896
2010-12-30

SYSTEM INCLUDING A DIGESTER AND A DIGESTER EMULATOR

#55
20100206807
2010-08-19

Municipal septic tank biogas collection system and method

#56
20090308809
2009-12-17

Wastewater treatment method

#57
20070231218
2007-10-04

Flow equalized rotating biological contactor

#58
20070017867
2007-01-25

Submerged attached growth bioreactor

#59
17669374
2023-11-28

Wastewater treatment and disposal system