ClassID:

86391

C02F3/288 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Anaerobic digestion processes; Particular arrangements for anaerobic reactors comprising septic tanks combined with a filter

Recent Application in this class:
#1
20260125302
2026-05-07

TANK CONFIGURATION WITH ENHANCED DENITRIFICATION

#2
20260109630
2026-04-23

SOIL ABSORPTION MODULE FOR EFFLUENT DISPERSAL SYSTEM

#3
20250115500
2025-04-10

SEPTIC TANK FILTER SYSTEM

#4
20250109584
2025-04-03

EMBEDDED INFILTRATION DEVICE

#5
20240375982
2024-11-14

Water aeration and treatment method

#6
20240228344
2024-07-11

Water retention and aeration treatment method for contaminated water

#7
20240190739
2024-06-13

Modular Subsurface Wastewater Treatment System

#8
20240158272
2024-05-16

WATER TREATMENT WITH OIL

#9
20240158271
2024-05-16

SEPTIC SYSTEM WITH IMPROVED PROCESSING EFFICIENCY, AND METHOD OF OPERATION

#10
20240018026
2024-01-18

Tank Configuration with Enhanced Denitrification

#11
20230373827
2023-11-23

Septic water treatment method for removing carbonaceous and nitrogenous compounds

#12
20230002264
2023-01-05

Wastewater treatment system for improved primary treatment and volatile fatty acid generation

#13
20220298041
2022-09-22

Method for water treatment and recycling

#14
20220089468
2022-03-24

LOW-PRESSURE DISTRIBUTION SYSTEM AND METHOD

#15
20210387880
2021-12-16

Septic system with improved processing efficiency, and method of operation

#16
20210139358
2021-05-13

Residential water treatment and recycle system

#17
20210087088
2021-03-25

SEPTIC TANK OR AEROBIC TANK LEVEL CONTROL SYSTEM

#18
20210070640
2021-03-11

Multi-layer geotextile-plastic particle water treatment

#19
20210063290
2021-03-04

Wastewater treatment sampling device

#20
20200131064
2020-04-30

Reconfigurable leaching module

#21
20190367394
2019-12-05

Animal waste filter

#22
20190160397
2019-05-30

MODULAR LIQUID WASTE TREATMENT INTEGRATED FIN MEMBERS, STRUCTURE, ASSEMBLY AND METHOD OF MANUFACTURE

#23
20180319686
2018-11-08

Reconfigurable leaching module

#24
20180044905
2018-02-15

Wastewater leaching chamber

#25
20170291837
2017-10-12

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

#26
20170210651
2017-07-27

Pulsating, horizontal flow wastewater treatment system

#27
20170114534
2017-04-27

LIQUID WASTE TREATMENT APPARATUS

#28
20170113956
2017-04-27

Wetland roof technology for treating domestic wastewater

#29
20160326033
2016-11-10

Wastewater treatment system

#30
20160272522
2016-09-22

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

#31
20160199763
2016-07-14

T-housing for septic tank

#32
20160176733
2016-06-23

Constructed wetland sewage treatment system

#33
20150001142
2015-01-01

Hydro-kinetic reactor tank

#34
20140263006
2014-09-18

Wastewater treatment system

#35
20140151276
2014-06-05

Wastewater effluent to geothermal heating

#36
20120298576
2012-11-29

Method and system for wastewater treatment and disposal

#37
20120261317
2012-10-18

Flush system with controlled volume

#38
20120228117
2012-09-13

SYSTEM AND METHOD OF PURIFYING AND RECYCLING OR DISCHARGING SEPTIC TANK EFFLUENT, GRAYWATER, RAINWATER AND STORMWATER

#39
20120132295
2012-05-31

SEWAGE EFFLUENT DISTRIBUTION MEANS

#40
20120118820
2012-05-17

Wastewater system with pressure gradient transport

#41
20120103888
2012-05-03

WASTE WATER RECYCLING SYSTEM

#42
20120048385
2012-03-01

Aerobic irrigation controller

#43
20110284477
2011-11-24

Apparatus and method for processing liquid waste

#44
20110278220
2011-11-17

Coiled continuous flow water treatment apparatus and method

#45
20110062069
2011-03-17

Subsurface sewage disposal and wastewater treatment system

#46
20100200502
2010-08-12

SEPTIC SYSTEM REMEDIATION METHOD AND APPARATUS

#47
20100101994
2010-04-29

Wastewater filtering medium

#48
20100078373
2010-04-01

SUBMERSIBLE MEDIA-FILLED WASTEWATER TREATMENT FILTER

#49
20100078367
2010-04-01

FIELD RELIEF RESERVOIR FOR SEPTIC FIELD SYSTEM

#50
20100051523
2010-03-04

LoweFlow filter wastewater treatment system

#51
20100012557
2010-01-21

SEPTIC TANK WASTEWATER TREATMENT SYSTEM

#52
20100000917
2010-01-07

Sewage effluent distribution means

#53
20090282976
2009-11-19

METHANE GAS DISPOSAL AND USE VIA SUBSURFACE DRIP IRRIGATION TECHNIQUES

#54
20090266770
2009-10-29

METHOD FOR MAINTAINING THE WATER BALANCE IN A WATER PURIFICATION SYSTEM

#55
20090255871
2009-10-15

Method and apparatus for on-site treatment of waste water

#56
20090145830
2009-06-11

SUBSURFACE SEWAGE DISPOSAL AND WASTEWATER TREATMENT SYSTEM

#57
20090026121
2009-01-29

Air driven particle recirculator for a septic tank outlet baffle or filter assembly

#58
20080277357
2008-11-13

Filtering systems with integral filter back-flushing

#59
20080271805
2008-11-06

Fluid conduit with layered and partial covering material thereon

#60
20080237106
2008-10-02

Subsurface drip disposal system

#61
20080185335
2008-08-07

Septic system remediation method and apparatus

#62
20080127603
2008-06-05

Method for treating septic tank effluent

#63
20080041784
2008-02-21

Method for removal of contaminants from water

#64
20080023412
2008-01-31

Portable tank wastewater treatment system and method

#65
20070199895
2007-08-30

Method for treating septic tank effluent

#66
20070187323
2007-08-16

Environmental Waste Water Cultivation System

#67
20070144963
2007-06-28

Bacteria growth device, assembly including the same and method associated thereto

#68
20070144962
2007-06-28

Bacteria growth device, assembly including the same and method associated thereto

#69
20070084781
2007-04-19

Wastewater filter system

#70
20070068856
2007-03-29

Wastewater treatment apparatus

#71
20070007202
2007-01-11

Wastewater treatment system and method

#72
20070000825
2007-01-04

Process and apparatus for microbial filtration and bacterial injection for one or more environmental contaminants

#73
20060283795
2006-12-21

System And Method For Treating Wastewater Using Coir Filter

#74
20060249454
2006-11-09

Portable apparatus for in-transport treatment of waste

#75
20060180546
2006-08-17

WASTEWATER TREATMENT SYSTEM AND METHOD

#76
20060011530
2006-01-19

Capillary permeation driven pottery pipe trench waste water treatment system

#77
20050061738
2005-03-24

Wastewater treatment system

#78
20050061736
2005-03-24

Used water treatment system for residences and the like

#79
20050040104
2005-02-24

Method, apparatus and system for removal of contaminants from water

#80
17893219
2023-08-08

Septic system

#81
17732215
2025-04-01

Wastewater treatment system

#82
16667153
2020-08-04

Scat trap filter and aerator system

#83
15870668
2019-06-04

Double coil effluent dispersal apparatus and method

#84
11055426
2016-01-12

T-housing for septic tank