ClassID:

86390

C02F3/2873 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage; Anaerobic digestion processes; Particular arrangements for anaerobic reactors with internal draft tube circulation

Recent Application in this class:
#1
20250353766
2025-11-20

TWO-PHASE SULFATE REDUCTION DEVICE AND TREATMENT METHOD FOR PREVENTING SLUDGE CALCIFICATION

#2
20240343622
2024-10-17

APPARATUS AND METHOD FOR ACCELERATING THE GRANULATION OF SLUDGE

#3
20230295025
2023-09-21

Anaerobic waste water purification tower

#4
20200392025
2020-12-17

Syntrophic enrichment for enhanced digestion process

#5
20190263694
2019-08-29

Anaerobic reactor

#6
20190248686
2019-08-15

Anaerobic purification device with variable water column

#7
20190185356
2019-06-20

Degassing device for anaerobic purification device

#8
20190135673
2019-05-09

High-concentration sewage treatment system and method for self-sufficiency of energy

#9
20180370829
2018-12-27

Facility and method for biologically treating organic waste and effluents

#10
20180282185
2018-10-04

SLIGHTLY HEAVY PARTICLE SYSTEM FOR WASTEWATER TREATMENT

#11
20180237734
2018-08-23

METHODS AND BIOREACTORS FOR MICROBIAL DIGESTION USING IMMOBILIZED BIOFILMS

#12
20180065876
2018-03-08

ANAEROBIC DIGESTER APPARATUS WITH A FLOATING MIXER SYSTEM INTEGRATED WITH A COVER

#13
20160023935
2016-01-28

Treatment of municipal wastewater with anaerobic digestion

#14
20130213883
2013-08-22

Treatment of municipal wastewater with anaerobic digestion

#15
20130092626
2013-04-18

Bubble generation for aeration and other purposes

#16
20130056400
2013-03-07

LIQUID MIXING AND PUMPING SYSTEM, WASTE WATER TREATMENT SYSTEM COMPRISING THE SAME, AND RELATED METHOD

#17
20130037468
2013-02-14

Reactor for anaerobic purification of waste water including multi-phase separator devices

#18
20120156744
2012-06-21

Multi-Phase, Gas-Lift Bioreactor for Generation of Biogas or Biofuel From Organic Material

#19
20120031835
2012-02-09

Reactor inlet

#20
20110236274
2011-09-29

Upflow reactor featuring controlled recirculation of biomass

#21
20100000940
2010-01-07

Reactor comprising a supply distribution system for anaerobic waste water treatment

#22
20090308806
2009-12-17

Anaerobic purification device

#23
20090209025
2009-08-20

HIGH SOLID THERMOPHILIC ANAEROBIC DIGESTER

#24
20090130742
2009-05-21

VESSEL AND SYSTEM FOR BIOLOGICAL REGENERATION OF ION EXCHANGE AND ABSORPTIVE MEDIA

#25
20090050560
2009-02-26

Anaerobic reactor for the removal of long chain fatty acids from fat containing wastewater

#26
20080302721
2008-12-11

Anaerobic digestion apparatus, methods for anaerobic digestion and for minimizing the use of inhibitory polymers in digestion

#27
20080277328
2008-11-13

Up-flow multi-stage anaerobic reactor (UMAR)

#28
20070251880
2007-11-01

Reactor and method for anaerobic wastewater treatment

#29
20070182033
2007-08-09

Gas bubble mixer

#30
20060118484
2006-06-08

Process and device for biological treatment of a suspension in a bioreactor

#31
20050126997
2005-06-16

Treatment of a suspension in a bioreactor with integrated hydraulic bottom layer removal

#32
20050077238
2005-04-14

Anaerobic sludge digester

#33
20050029189
2005-02-10

Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic top scum treatment