Patents-Review.com
ClassID:

86353 ⎘

C02F3/1257 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20230024100
2023-01-26

INTEGRATED DUAL CIRCULATION OXIDIZATION DITCH APPARATUS FOR MUNICIPAL WASTEWATER AND TREATMENT METHOD

 #2
20220259084
2022-08-18

Biological phosphorus and nitrogen removal in activated sludge processing

 #3
20210114901
2021-04-22

METHOD FOR TREATING WASTEWATER VIA A FLOCCULATING MINERAL COMPOSITION

 #4
20200299162
2020-09-24

Process aeration balance controller in wastewater treatment

 #5
20180230036
2018-08-16

Sludge dehydration system and sludge dehydration method

 #6
20180111862
2018-04-26

Aeration discs and methods for using same

 #7
20180057377
2018-03-01

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

 #8
20170313607
2017-11-02

Water treatment system and method

 #9
20170144909
2017-05-25

Method of controlling a circulation-type wastewater treatment plant via a stored parameter relationship in a control unit

 #10
20170081224
2017-03-23

Plant and control method for aerobic treatment

 #11
20160115066
2016-04-28

Sludge dehydration system and sludge dehydration method

 #12
20160115065
2016-04-28

Recovery device and recovery method for recovering specific material from sludge

 #13
20160107909
2016-04-21

Orbital wastewater treatment system and method of operating same

 #14
20150291461
2015-10-15

Inoculant for water treatment device

 #15
20140263041
2014-09-18

Method and apparatus for maximizing nitrogen removal from wastewater

 #16
20140042085
2014-02-13

Systems and methods for waste treatment

 #17
20130256225
2013-10-03

Orbital wastewater treatment system and associated method of operating an orbital wastewater treatment system

 #18
20120255917
2012-10-11

DEVICE FOR CLEANING WASTEWATER

 #19
20120168373
2012-07-05

Thermally enhanced integrated wastewater treatment system

 #20
20120132587
2012-05-31

Wastewater treatment system

 #21
20120006414
2012-01-12

Method for controlling oxygen supply for treating wastewater, and facility for implementing same

 #22
20110108479
2011-05-12

Wastewater treatment system

 #23
20100276349
2010-11-04

Integrated oxidation ditch

 #24
20100264094
2010-10-21

METHOD OF DEVELOPING A RAPIDLY SETTLING ALGAL FLOC

 #25
20100170846
2010-07-08

Wastewater treatment system

 #26
20100051522
2010-03-04

Wastewater lagoon aeration treatment system

 #27
20090302487
2009-12-10

Wastewater treatment system and method of using same

 #28
20090071899
2009-03-19

Wastewater treatment system

 #29
20080179231
2008-07-31

High-denitrification shared type orbal oxidation ditch

 #30
20080053898
2008-03-06

Wastewater treatment system

 #31
20070176307
2007-08-02

Wastewater treatment system and method of using same

 #32
20060081533
2006-04-20

Batch-continuous process and reactor

 #33
20050242015
2005-11-03

Orbital wastewater treatment system with combined surface aerator and submerged impeller