Patents-Review.com
ClassID:

86383 ⎘

C02F3/2826 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Anaerobic digestion processes using anaerobic filters

Recent Application in this class:
#1
20250042786
2025-02-06

BUOYANT PERMEABLE REACTIVE BARRIER

 #2
20240317620
2024-09-26

Processing apparatus for treating acid mine wastewater using activated carbon-loaded microorganism

 #3
20230365447
2023-11-16

Side Stream Treatment for Overflow

 #4
20230348305
2023-11-02

SYSTEM AND METHOD FOR TREATMENT OF ANIMAL MANURE CONTAINING WASTEWATER

 #5
20220242763
2022-08-04

Fail Safe Flushing BioReactor for Selenium Water Treatment

 #6
20210087086
2021-03-25

Side stream treatment for overflow

 #7
20210070645
2021-03-11

On-site generation of energy in a multi-unit building

 #8
20210070644
2021-03-11

Continuous, approximately real-time residential wastewater treatment system and apparatus

 #9
20210061690
2021-03-04

Fail Safe Flushing BioReactor for Selenium Water Treatment

 #10
20210061689
2021-03-04

Method of operating an upflow backwash filter

 #11
20200392025
2020-12-17

Syntrophic enrichment for enhanced digestion process

 #12
20200270158
2020-08-27

Continuous, approximately real-time residential wastewater treatment system and apparatus

 #13
20190337830
2019-11-07

APPARATUS, SYSTEM AND METHOD FOR WASTEWATER TREATMENT

 #14
20190143266
2019-05-16

BIOLOGICAL TREATMENT OF FLUE GAS DESULFURIZATION BLOWDOWN WATER WITH UPSTREAM SULFITE CONTROL

 #15
20180320356
2018-11-08

River course ecological treatment system

 #16
20180251389
2018-09-06

Home sewage treatment system

 #17
20180222782
2018-08-09

ANAEROBIC SUSPENDED GROWTH TREATMENT OF CONTAMINATED WATER

 #18
20180134580
2018-05-17

Ecological method for denitrification and phosphorus removal in wastewater treatment process

 #19
20170313608
2017-11-02

Fail Safe Flushing BioReactor for Selenium Water Treatment

 #20
20170247274
2017-08-31

Side stream treatment for overflow

 #21
20170240446
2017-08-24

Process for operating an upflow continuous backwash filter

 #22
20160311712
2016-10-27

Natural pyrrhotite biological filter and method for utilizing same to synchronously remove nitrate-nitrogen and phosphorus from water

 #23
20160264439
2016-09-15

Multi-step system for treating selenium-containing wastewater

 #24
20160264438
2016-09-15

Hybrid reactor and process for removing selenium

 #25
20160194228
2016-07-07

Biological purifier for untreated waste water and method of producing the same, biological purification method for untreated waste water, and biological purification system for untreated waste water

 #26
20160120156
2016-05-05

Aquarium filter

 #27
20160107911
2016-04-21

APPARATUS AND METHOD FOR PURIFYING WATER

 #28
20160101993
2016-04-14

Filter system for removing and/or neutralizing undissolved oils, greases, and salts and/or metal abrasion debris on and in emulsions containing water

 #29
20160023935
2016-01-28

Treatment of municipal wastewater with anaerobic digestion

 #30
20160017589
2016-01-21

Liquid waste treatment apparatus

 #31
20150090659
2015-04-02

Upflow continuous backwash filter

 #32
20150083662
2015-03-26

Anaerobic suspended growth treatment of contaminated water

 #33
20150014245
2015-01-15

Modular wastewater treatment plant

 #34
20150001145
2015-01-01

Bio-filter for waste water digestion

 #35
20140356927
2014-12-04

Anaerobic process

 #36
20130299400
2013-11-14

Bio-electrochemical system for treating wastewater

 #37
20130213883
2013-08-22

Treatment of municipal wastewater with anaerobic digestion

 #38
20130126412
2013-05-23

Downflow denitrification system

 #39
20130105392
2013-05-02

Fluid conduit with layered and partial covering material thereon

 #40
20120211417
2012-08-23

Method and System for Controlling Carbon Source Feed to Denitrification Filters

 #41
20120067818
2012-03-22

Method and reactor for biological purification of waste water

 #42
20110318778
2011-12-29

Organic Substrate Treatment System

 #43
20110132821
2011-06-09

Anaerobic waste treatment apparatus

 #44
20080271805
2008-11-06

Fluid conduit with layered and partial covering material thereon

 #45
17732215
2025-04-01

Wastewater treatment system

 #46
14164869
2014-12-30

Wastewater treatment unit