Patents-Review.com
ClassID:

86343 ⎘

C02F3/1205 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20260152424
2026-06-04

System and Method for Supplying Return Activated Sludge

 #2
20250276924
2025-09-04

CHEMICAL AND BIOLOGICAL DEGRADATION OF ETHER PER- AND POLYFLUOROALKYL SUBSTANCES

 #3
20240076220
2024-03-07

Method of Wastewater Treatment and Apparatus for its Realization

 #4
20240051858
2024-02-15

METHOD FOR REMOVING AMMONIACAL NITROGEN FROM HYPERSALINE EFFLUENTS THROUGH A CONSORTIUM CONTAINING HIGH-SALINITY-RESISTANT HETEROTROPHIC NITRIFYING AND AEROBIC DENITRIFYING MICROORGANISMS

 #5
20230357058
2023-11-09

SYSTEM AND METHOD FOR REMOVING CARBON DIOXIDE FROM SEA WATER

 #6
20220340463
2022-10-27

System and Method for Supplying Return Activated Sludge

 #7
20220306503
2022-09-29

Method and device for removing organic micropollutants (OMPs) in water

 #8
20220032323
2022-02-03

SEPARATION OF FLUIDS CONTAINING SOLIDS

 #9
20210371313
2021-12-02

Alternate method to induce biological treatment into contaminated areas

 #10
20210024390
2021-01-28

METHOD FOR ENHANCING NITROGEN REMOVAL BY DENITRIFICATION IN HORIZONTAL SUBSURFACE-FLOW CONSTRUCTED WETLAND

 #11
20200385298
2020-12-10

METHOD FOR RETAINING AMMONIA NITROGEN AND REMOVING ANTIBIOTICS IN BIOLOGICAL TREATMENT OF LIVESTOCK WASTEWATER

 #12
20200262727
2020-08-20

Method for determining optimal preservation temperature of aerobic denitrifiers in wastewater treatment for total nitrogen removal

 #13
20200131065
2020-04-30

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

 #14
20200087181
2020-03-19

Controlled simultaneous nitrification and denitrification in wastewater treatment

 #15
20180141840
2018-05-24

Method for biological cleaning of wastewater

 #16
20170253508
2017-09-07

METHOD AND SYSTEM OF WASTEWATER TREATMENT HAVING A ZERO DISCHARGE OF SLUDGE

 #17
20170233271
2017-08-17

PROCESS FOR ENHANCING POLYHYDROXYALKANOATE ACCUMULATION IN ACTIVATED SLUDGE BIOMASS

 #18
20170203984
2017-07-20

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

 #19
20170096354
2017-04-06

BDP sewage denitrogenation treatment system and method for sewage denitrogenation treatment

 #20
20170015577
2017-01-19

Laundry wastewater biological treatment preparation, and device and method for treating laundry wastewater by using same

 #21
20160272521
2016-09-22

Apparatus for water treatment using a physical separator

 #22
20160272520
2016-09-22

METHOD FOR ZERO-DISCHARGE TREATMENT OF HIGH-CONCENTRATION ORGANIC WASTEWATER VIA BIOEVAPORATION

 #23
20160137537
2016-05-19

Method and apparatus for wastewater treatment using gravimetric selection

 #24
20160122215
2016-05-05

REACTOR SETUP

 #25
20140131273
2014-05-15

Method and apparatus for wastewater treatment using screens

 #26
20140083936
2014-03-27

Method and apparatus for water treatment using screens

 #27
20130220920
2013-08-29

METHODS FOR IMPROVING MEMBRANE BIOREACTOR SYSTEMS

 #28
20130075327
2013-03-28

REACTOR SETUP

 #29
15062424
2018-06-05

Method and apparatus for operation of aerobic biological solids digester