C02F3/14 - CPC Classification Index

ClassID:

86361 ⎘

C02F3/14 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes; Activated sludge processes using surface aeration

Sub-classes:

C02F3/145 » {Protection against aerosols} 0
C02F3/16 » the aerator having a vertical axis 46
C02F3/18 » the aerator having a horizontal axis 7

Recent Application in this class:

20240336505

2024-10-10

MUNICIPAL SEWAGE NITROGEN REMOVAL TREATMENT DEVICE AND METHOD

20200308033

2020-10-01

Combination of trickling filter and aeration tank of wastewater treatment system

20200001948

2020-01-02

Safety access system for float assemblies

20190300129

2019-10-03

Safety access system for float assemblies

20180141839

2018-05-24

MBR frame

20180134596

2018-05-17

Microbubble aerator

20180057377

2018-03-01

Systems and methods for formation of biologically active granules and biologically active granules

20170113955

2017-04-27

WWTP SENSOR CARTRIDGE

20170066668

2017-03-09

HIGHLY EFFECTIVE SEWAGE TREATMENT BASED ON REGULATION AND CONTROL OF DIRECTED ELECTRON FLOW AND APPARATUS THEREOF

#10

20160362321

2016-12-15

System and Process for Removing Nitrogen Compounds and Odors from Wastewater and Wastewater Treatment System

#11

20160115059

2016-04-28

System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system

#12

20130319921

2013-12-05

Water circulating device installed in a park or lake

#13

20130220944

2013-08-29

Methods and apparatus for aeration of liquid medium and vectoring flow control

#14

20130140231

2013-06-06

Method for sludge ozonation in a wastewater treatment system

#15

20100096324

2010-04-22

System and method for reducing pollution in a body of water

#16

18668672

2024-10-15

Water restoration system