ClassID:

86326

C02F3/046 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Aerobic processes using trickle filters Soil filtration

Recent Application in this class:
#1
20260109630
2026-04-23

SOIL ABSORPTION MODULE FOR EFFLUENT DISPERSAL SYSTEM

#2
20250083981
2025-03-13

Fluid Drainage System With Sand-Mimicking Fluid Retentive Wrapping

#3
20240400428
2024-12-05

VENTILATED MAT SYSTEM AND PROCESSES

#4
20240246841
2024-07-25

FLOW CONTROL RISER WITHIN A STORMWATER TREATMENT SYSTEM

#5
20240228345
2024-07-11

In situ fluid diffusion apparatus and system

#6
20240209614
2024-06-27

Stormwater Biofiltration System and Method

#7
20240158272
2024-05-16

WATER TREATMENT WITH OIL

#8
20230373828
2023-11-23

SURFACE WATER MITIGATION STRUCTURE

#9
20230286828
2023-09-14

SYSTEMS AND METHODS FOR STORMWATER MANAGEMENT

#10
20230264977
2023-08-24

SYSTEMS AND METHODS FOR STORMWATER MANAGEMENT

#11
20230234866
2023-07-27

Wastewater leaching system

#12
20230212847
2023-07-06

Soil Absorption System (SAS)

#13
20230203771
2023-06-29

LAKE RESTORATION SYSTEMS AND PROCESSES

#14
20220281756
2022-09-08

Systems and methods for stormwater management

#15
20220144677
2022-05-12

Horizontal flow biofilter system and method of use thereof

#16
20220089468
2022-03-24

LOW-PRESSURE DISTRIBUTION SYSTEM AND METHOD

#17
20220074189
2022-03-10

Stormwater biofiltration system and method

#18
20210254325
2021-08-19

Inline bioremediation liquid treatment system

#19
20210206675
2021-07-08

Surface water mitigation structure

#20
20210179445
2021-06-17

PhAGR basin

#21
20210155518
2021-05-27

Flow control riser within a stormwater treatment system

#22
20210155517
2021-05-27

Wastewater Leaching System

#23
20210148076
2021-05-20

Lake restoration systems and processes

#24
20200262716
2020-08-20

Ground Water Filtration System

#25
20200207649
2020-07-02

Aquifer storage and recovery system including aerobic reactor using microbes from underground aquifer

#26
20200173159
2020-06-04

Stormwater biofiltration system and method

#27
20200131064
2020-04-30

Reconfigurable leaching module

#28
20200071897
2020-03-05

Lake restoration systems and processes

#29
20200071211
2020-03-05

Horizontal flow biofilter system and method of use thereof

#30
20190375660
2019-12-12

Wastewater leaching system

#31
20190210901
2019-07-11

Surface water mitigation structure

#32
20190039927
2019-02-07

Tree box filter with hydromodification panels

#33
20180319686
2018-11-08

Reconfigurable leaching module

#34
20180274182
2018-09-27

Ground water filtration system

#35
20180194652
2018-07-12

Subsurface sewage disposal system

#36
20180179748
2018-06-28

Stormwater biofiltration system and method

#37
20180093907
2018-04-05

Wastewater treatment plant and method for treating wastewater

#38
20180044209
2018-02-15

Wastewater leaching system

#39
20170291837
2017-10-12

System for enhanced aerobic activity and bio-mat control for onsite wastewater disposal systems

#40
20170210651
2017-07-27

Pulsating, horizontal flow wastewater treatment system

#41
20160376181
2016-12-29

In-situ purification island structure and the construction method thereof

#42
20160376180
2016-12-29

Device for artificial wetland sewage treatment and method for treating sewage thereof

#43
20160362320
2016-12-15

Wastewater leaching system

#44
20160362319
2016-12-15

WASTEWATER LEACHING SYSTEM

#45
20160326033
2016-11-10

Wastewater treatment system

#46
20160326032
2016-11-10

Horizontal flow biofilter system and method of use thereof

#47
20160272522
2016-09-22

Method for enhanced aerobic activity and bio-mat control for onsite wastewater disposal systems

#48
20160176732
2016-06-23

Tree box filter with hydromodification panels

#49
20150329396
2015-11-19

Modular liquid waste treatment system and method

#50
20150218025
2015-08-06

Subsurface sewage disposal system

#51
20140263006
2014-09-18

Wastewater treatment system

#52
20140251928
2014-09-11

Horizontal flow biofilter system and method of use thereof

#53
20140144850
2014-05-29

System and method for purifying rainfall runoff

#54
20130175216
2013-07-11

PHOSPHOROUS MITIGATION FOR GREEN FILTER BEDS

#55
20130126407
2013-05-23

Leach field system

#56
20130075315
2013-03-28

Leach field system

#57
20130056424
2013-03-07

Horizontal flow biofilter system and method of use thereof

#58
20120261317
2012-10-18

Flush system with controlled volume

#59
20120187031
2012-07-26

Storm water treatment system

#60
20120091057
2012-04-19

Wetland biofilter chamber with peripheral catch basin and method of use thereof

#61
20120031194
2012-02-09

Method for diagnosing the operation of a water purification installation of the filter medium device type, and a diagnostic tool suitable for said method

#62
20120024780
2012-02-02

Water treatment plant for combined biomass and biogas production

#63
20110284477
2011-11-24

Apparatus and method for processing liquid waste

#64
20110100905
2011-05-05

River water purification apparatus and method using treatment soil layer and permeable filtering medium layer

#65
20110062069
2011-03-17

Subsurface sewage disposal and wastewater treatment system

#66
20110049028
2011-03-03

Stormwater control system and related method

#67
20100206790
2010-08-19

Stormwater treatment system with flow distribution overflow/bypass tray

#68
20100178112
2010-07-15

Leach field form and method of use

#69
20100062933
2010-03-11

Functionalized green filtration media for passive underground drainfield for septic tank nutrient removal

#70
20100059437
2010-03-11

Passive underground drainfield for septic tank nutrient removal using functionalized green filtration media

#71
20090266770
2009-10-29

METHOD FOR MAINTAINING THE WATER BALANCE IN A WATER PURIFICATION SYSTEM

#72
20090255862
2009-10-15

Eco-treatment system

#73
20090145830
2009-06-11

SUBSURFACE SEWAGE DISPOSAL AND WASTEWATER TREATMENT SYSTEM

#74
20090101590
2009-04-23

Wastewater treatment method and apparatus

#75
20090071884
2009-03-19

Low Aspect Ratio Wastewater System

#76
20090001002
2009-01-01

Wastewater purification plant by means of plants

#77
20080251448
2008-10-16

In line wetland water treatment system and method

#78
20080202999
2008-08-28

Leach Field Form and Method of Use

#79
20060272988
2006-12-07

High aspect ratio wastewater system

#80
20060151387
2006-07-13

Multiple soil-layering system for wastewater purification

#81
20060113245
2006-06-01

System and method for biological purification of water

#82
20060011530
2006-01-19

Capillary permeation driven pottery pipe trench waste water treatment system

#83
20050276662
2005-12-15

System and method for decontamination of contaminated soil in the vadose zone and/or groundwater

#84
20050269253
2005-12-08

Low aspect ratio wastewater system

#85
17449962
2023-06-27

Systems and processes for removing pollutants from water, reducing greenhouse gas emissions, and reducing aquatic ecosystem destruction

#86
16380449
2020-10-06

Inline bioremediation liquid treatment system

#87
15708399
2019-04-16

Inline bioremediation liquid treatment system