C02F3/165 - CPC Classification Index

ClassID:

86364 ⎘

C02F3/165 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes; Activated sludge processes using surface aeration the aerator having a vertical axis using vertical aeration channels

Recent Application in this class:

20220073389

2022-03-10

Circulation pump for vertically circulating water in bodies of water using consecutive expanding super air bubbles

20210032137

2021-02-04

Apparatus for treating wastewater and a system for collecting and treating wastewater combining rainwater drainage

20180093231

2018-04-05

Apparatus and method for removing impurities from water or wastewater

20130319921

2013-12-05

Water circulating device installed in a park or lake

20080314247

2008-12-25

Liquid—foam system

20080169229

2008-07-17

Water circulation systems for ponds, lakes, and other bodies of water

20080128344

2008-06-05

WATER CIRCULATION SYSTEMS FOR PONDS, LAKES, AND OTHER BODIES OF WATER

20080116132

2008-05-22

System and method for oxygenating an aerobic sludge digester

20080000818

2008-01-03

Water circulation systems for ponds, lakes, and other bodies of water

#10

20070039878

2007-02-22

Process and apparatus for increasing biological activity in waste treatment in bodies of water

#11

20050061721

2005-03-24

Water circulation systems for ponds, lakes, and other bodies of water