ClassID:

86349

C02F3/1236 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes; Activated sludge processes Particular type of activated sludge installations

Sub-classes:
Recent Application in this class:
#1
20250178939
2025-06-05

INTENSIFIED FERMENTATION FOR DECARBONIZATION

#2
20250050243
2025-02-13

REACTION AND SEPARATION APPARATUS

#3
20240343622
2024-10-17

APPARATUS AND METHOD FOR ACCELERATING THE GRANULATION OF SLUDGE

#4
20240336505
2024-10-10

MUNICIPAL SEWAGE NITROGEN REMOVAL TREATMENT DEVICE AND METHOD

#5
20240262726
2024-08-08

METHOD AND APPARATUS FOR MULTI-DESELECTION IN WASTEWATER TREATMENT

#6
20240182342
2024-06-06

METHOD FOR PRODUCING RECYCLED WATER

#7
20230271863
2023-08-31

METHOD AND SYSTEM FOR ENHANCED CULTURE OF AEROBIC GRANULAR SLUDGE

#8
20230257289
2023-08-17

METHOD FOR MAINTAINING ACCURATE AND PRECISE SURFACE WASTING FLOW CONDITIONS USING AN AUTOMATED OVERFLOW WEIR

#9
20230233959
2023-07-27

RECIRCULATION SYSTEM AND METHOD FOR A SETTLING TANK, IN PARTICULAR A CLARIFIER OF A PURIFICATION PLANT

#10
20220289603
2022-09-15

Method and apparatus for multi-deselection in wastewater treatment

#11
20220177337
2022-06-09

Testing method for wastewater treatment facility

#12
20220127177
2022-04-28

Semiconductor process wastewater treatment system and semiconductor process wastewater treatment method using the same

#13
20210363038
2021-11-25

Device for sewage treatment

#14
20210355008
2021-11-18

Sewage uniform distribution treatment device for aerobic granular sludge system and use method therefor

#15
20210284556
2021-09-16

Water treatment method and water treatment device

#16
20210087088
2021-03-25

SEPTIC TANK OR AEROBIC TANK LEVEL CONTROL SYSTEM

#17
20200270156
2020-08-27

Membrane wastewater treatment of combined sewer overflows and sanitary sewer overflows

#18
20200140308
2020-05-07

Sewage treatment system

#19
20200024171
2020-01-23

Multiple Chamber Septic Tank with a Plurality of Large and Small Access Ports

#20
20200024170
2020-01-23

AEROBIC WASTEWATER TREATMENT SYSTEM

#21
20190375661
2019-12-12

Helical Bed Biofilm Reactor for Wastewater Treatment

#22
20190210891
2019-07-11

Biological contact and dissolved air flotation treatment of storm water

#23
20180282187
2018-10-04

WASTEWATER TREATMENT SYSTEM AND WASTEWATER TREATMENT METHOD

#24
20180230034
2018-08-16

Continuous process for the treatment of wastewater

#25
20180230031
2018-08-16

BIOREACTOR FOR TREATING WATER FLUID(S) BY BIOMASS

#26
20180127291
2018-05-10

Mobile, replaceable, and regenerable cartridge for treatment of water

#27
20170240447
2017-08-24

Systems for microorganism sustenance in an activated sludge unit

#28
20170043279
2017-02-16

SYSTEM HAVING FOAM BUSTING NOZZLE AND SUB-SURFACE MIXING NOZZLE

#29
20160318706
2016-11-03

Intermodal container tank structure

#30
20160016835
2016-01-21

Mobile Wastewater Treatment System with Human Use Facility and Recycle

#31
20150336826
2015-11-26

Hybrid wastewater treatment

#32
20150315052
2015-11-05

Bacterial additives for biological and/or chemical contaminants within water-based fluids

#33
20150060358
2015-03-05

Leachate treating system having settling spheres and method for same

#34
20150041393
2015-02-12

METHOD AND APPARATUS FOR TREATMENT OF WASTEWATER

#35
20140246369
2014-09-04

Wastewater treatment process and system

#36
20140144820
2014-05-29

RAPID DEPLOYABLE PACKAGED WASTEWATER TREATMENT SYSTEM

#37
20140131273
2014-05-15

Method and apparatus for wastewater treatment using screens

#38
20140083936
2014-03-27

Method and apparatus for water treatment using screens

#39
20110180633
2011-07-28

System having foam busting nozzle and sub-surface mixing nozzle