ClassID:

86323

C02F3/025 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes Biological purification using sources of oxygen other than air, oxygen or ozone

Recent Application in this class:
#1
20250051186
2025-02-13

APPARATUS AND METHOD FOR SEPARATING PARTICLES FROM WASTE FLUID USING OXYGEN ENRICHED AIR

#2
20240262726
2024-08-08

METHOD AND APPARATUS FOR MULTI-DESELECTION IN WASTEWATER TREATMENT

#3
20220289603
2022-09-15

Method and apparatus for multi-deselection in wastewater treatment

#4
20210155516
2021-05-27

USE OF WASTE FATS, OILS AND GREASE (FOG) AND OTHER WASTE HYDROCARBONS IN BIOLOGICAL NUTRIENT REMOVAL WASTEWATER TREATMENT PROCESSES

#5
20200031696
2020-01-30

Piping manifold for pulsating flow

#6
20190248688
2019-08-15

METHOD OF TREATING WASTEWATER AND SYSTEMS THEREOF

#7
20190218124
2019-07-18

Device for treating a black and odorous water body with a bionic process

#8
20190084858
2019-03-21

Method for treating and recycling organic wastewater and apparatus

#9
20160122705
2016-05-05

Dual-compartment bioreactor for use in wastewater treatment and algal production

#10
20150191382
2015-07-09

SYSTEMS AND METHODS FOR WASTE TREATMENT

#11
20150068977
2015-03-12

INTEGRATED MEMBRANE SYSTEM FOR DISTRIBUTED WATER TREATMENT

#12
20140042085
2014-02-13

Systems and methods for waste treatment

#13
20130256223
2013-10-03

Biological wastewater treatment and reuse utilizing sulfur compounds as electron carrier to minimize sludge production

#14
20130134090
2013-05-30

Digestion of biosolids in wastewater

#15
20130112601
2013-05-09

Denitrification and pH control using bio-electrochemical systems

#16
20130032533
2013-02-07

Integrated membrane system for distributed water treatment

#17
20130015129
2013-01-17

Digestion of biosolids in wastewater

#18
20110257283
2011-10-20

Polymeric complex supporter for controlling oxygen-releasing substances and method for manufacturing the same

#19
20070034566
2007-02-15

Biodestruction of blended residual oxidants

#20
20070020300
2007-01-25

RECREATIONAL WATER TREATMENT EMPLOYING SINGLET OXYGEN

#21
20060196828
2006-09-07

Biodestruction of blended residual oxidants

#22
20060151389
2006-07-13

Method for supplying oxygen to a water purification process