ClassID:

86437

C02F11/02 - CPC Classification

Classification description:

Treatment of sludge; Devices therefor Biological treatment

Sub-classes:
Recent Application in this class:
#1
20260125300
2026-05-07

SYSTEM FOR VALVE-BASED WASTEWATER TREATMENT CONTROL THROUGH MICROORGANISM METABOLIC PATHWAY OPTIMIZATION

#2
20260110490
2026-04-23

PLANT AND RELATED PROCESS FOR TREATING ORGANIC MATERIAL

#3
20260110489
2026-04-23

PLANT AND RELATED PROCESS FOR TREATING ORGANIC MATERIAL

#4
20260042059
2026-02-12

APPARATUS FOR DISPOSING OF ORGANIC OR SEWAGE SLUDGE WASTE

#5
20260028291
2026-01-29

SEWAGE SLUDGE-TO-RESOURCE RECYCLING SYSTEM OF CIRCULATION-TYPE

#6
20260015276
2026-01-15

APPARATUS AND METHOD FOR TREATING BACKWASH SLUDGE FROM HIGH-RATE FILTRATION PROCESS CAPABLE OF RECOVERING CARBON SOURCE

#7
20250333345
2025-10-30

SLUDGE PROCESSING AND TREATMENT METHODS

#8
20250250188
2025-08-07

Water Purification Apparatus And Water Purification System

#9
20250243099
2025-07-31

METHOD FOR OPTIMIZING SELECTIVE PRESSURE OF SURFACE WASTING IN A DENSIFIED ACTIVATED SLUDGE PROCESS

#10
20250188359
2025-06-12

METHODS FOR BIOLOGICAL PROCESSING OF HYDROCARBON-CONTAINING SUBSTANCES AND SYSTEM FOR EALIZATION THEREOF

#11
20250178944
2025-06-05

IMPROVEMENTS IN AND RELATING TO EFFLUENT AND TREATMENT OF SAME

#12
20250178939
2025-06-05

INTENSIFIED FERMENTATION FOR DECARBONIZATION

#13
20250171343
2025-05-29

TREATMENTS OF ORGANIC WASTE

#14
20250136491
2025-05-01

APPARATUS AND METHOD FOR TREATING OIL-CONTAINING SLUDGE WITH METAL-FRICHED BIOCHAR

#15
20250109414
2025-04-03

Continuous Flow Reactor for Conversion of Wastewater to Biohydrogen Using Activated Sludge and Microalgae

#16
20250100918
2025-03-27

METHOD FOR WASTEWATER TREATMENT CONTROL THROUGH MICROORGANISM METABOLIC PATHWAY OPTIMIZATION

#17
20240409446
2024-12-12

AGRICULTURAL ADMIXTURES

#18
20240368013
2024-11-07

Bioreactor for Home Septic Unit

#19
20240182848
2024-06-06

SULFAMETHOXAZOLE-DEGRADING PSEUDOMONAS SILESIENSIS STRAIN, AND APPLICATION THEREOF

#20
20240182345
2024-06-06

METHODS AND SYSTEMS FOR DIGESTING BIOSOLIDS AND RECOVERING PHOSPHORUS

#21
20240110105
2024-04-04

Methods for biological processing of hydrocarbon-containing substances and system for realization thereof

#22
20240109797
2024-04-04

Systems and Methods for Systems and Methods Using Thermophilic Microbes for the Treatment of Wastewater

#23
20240092670
2024-03-21

SYSTEMS AND METHODS FOR REMOVAL OF METHANE FROM A METHANE CONTAINING DIGESTATE/FLUIDS/SUBSTRATES FROM METHANE PRODUCING SYSTEMS

#24
20240025779
2024-01-25

WASTE SEPARATING SYSTEM, ACTIVATED SLUDGE TREATMENT SYSTEM, WASTE SEPARATING METHOD, AND ACTIVATED SLUDGE TREATMENT METHOD

#25
20240006643
2024-01-04

Driving Bacterial Carbon Dioxide Fixation with Conductive Materials

#26
20230295028
2023-09-21

METHOD AND APPARATUS FOR THE REVALORIZATION OF VARIOUS ORGANIC RESIDUES

#27
20230249999
2023-08-10

Sewage treatment biological agent and preparation method and application thereof

#28
20230207847
2023-06-29

INTEGRATED WASTE REDUCTION SYSTEM

#29
20230203414
2023-06-29

SYSTEMS AND METHODS FOR TREATING WASTE STREAMS

#30
20230202897
2023-06-29

A PROCESS FOR ACCELERATING BIOLOGICAL DECOMPOSITION OF ORGANIC COMPOUNDS

#31
20230074904
2023-03-09

APPARATUS FOR DISPOSING OF ORGANIC OR SEWAGE SLUDGE WASTE

#32
20230072021
2023-03-09

TREATMENT OF WASTEWATER

#33
20230071009
2023-03-09

APPARATUS AND METHOD FOR SYNCHRONOUSLY TREATING SEWAGE AND SLUDGE THROUGH COMBINATION OF STEP-FEED PARTIAL NITRIFICATION AND ANAEROBIC AMMONIA OXIDATION

#34
20230050281
2023-02-16

METHOD FOR TREATING WATERS, SEDIMENTS AND/OR SLUDGES

#35
20230042056
2023-02-09

BACTERIUM FOR DEGRADING SLUDGE, BACTERIUM DEGRADING MICROORGANISM, MICROBIAL PREPARATION AND METHOD AND DEVICE FOR DEGRADING SLUDGE

#36
20230036097
2023-02-02

METHOD FOR CONTROLLING HEAVY METAL SCOURING POLLUTION IN MINES BY USING HUMIFIED PRODUCT

#37
20220348488
2022-11-03

Process for treating sewage sludge

#38
20220332621
2022-10-20

Porous biological polymerizing agent for sediment dewatering in the environmental dredging of rivers and lakes, and method of its preparation and use

#39
20220251001
2022-08-11

METHOD FOR PRODUCING VERMICOMPOST

#40
20220234932
2022-07-28

Method of reducing and controlling hazardous substance in process of high-value biological conversion of urban organic waste

#41
20220234927
2022-07-28

Mixing systems and methods of mixing

#42
20220220019
2022-07-14

System and method for treating oil sludge

#43
20220194834
2022-06-23

Method for treating wastewater or sludge

#44
20220169547
2022-06-02

Method for reducing heavy metal content of sludge-based biocoke

#45
20220127173
2022-04-28

SYSTEM AND METHOD FOR TOTAL VOLUME TREATMENT OF LANDFILL LEACHATE AND USE THEREOF

#46
20220073392
2022-03-10

Integrated riparian system for on-site treatment of river/lake silt and application thereof

#47
20220073391
2022-03-10

Methods and systems for digesting biosolids and recovering phosphorus

#48
20220055934
2022-02-24

Positive polymer fecal sludge treatment apparatus

#49
20220032349
2022-02-03

Feammox activity in bioelectrochemical reactors

#50
20210395126
2021-12-23

System and method for treating excrement of livestock

#51
20210387885
2021-12-16

Method for treating an oily solid waste sludge

#52
20210380932
2021-12-09

Bacterium degrading microorganism, microbial preparation, and method and device for degrading microorganism

#53
20210363043
2021-11-25

Cow excreta treatment apparatus and method

#54
20210348059
2021-11-11

Methods for biological processing of hydrocarbon-containing substances and system for realization thereof

#55
20210347664
2021-11-11

Efficient operation of an anaerobic-aerobic SBR

#56
20210340042
2021-11-04

Biodegradation of fluorochemicals

#57
20210284560
2021-09-16

Treatment of animal and poultry waste to reduce odor

#58
20210273250
2021-09-02

Conductive materials to drive bacterial carbon dioxide fixation

#59
20210230494
2021-07-29

Hydrothermal treatment device, biomass fuel manufacturing plant, hydrothermal treatment method, and biomass fuel manufacturing method

#60
20210230037
2021-07-29

Treatments of organic waste

#61
20210230033
2021-07-29

TREATMENT USING FIXED FILM PROCESSES AND BALLASTED SETTLING

#62
20210207069
2021-07-08

Systems and methods of producing compositions from the nutrients recovered from waste streams

#63
20210206678
2021-07-08

Methods and apparatuses for facilitating purification of sludge and tailing

#64
20210163825
2021-06-03

Methods for biological processing of hydrocarbon-containing substances and system for realization thereof

#65
20210147274
2021-05-20

POST-DIGESTION AEROBIC TREATMENT FOR SIMULTANEOUS NITROGEN AND PHOSPHOROUS REMOVAL

#66
20210130212
2021-05-06

Resource treatment system for urine and feces separation and recovery in urine diversion dehydration toilets

#67
20210061727
2021-03-04

Soil remediant and its method of production

#68
20210047214
2021-02-18

SYSTEMS AND METHODS FOR WATER AND SOLIDS TREATMENT

#69
20210039974
2021-02-11

Mixing systems and methods of mixing

#70
20210017058
2021-01-21

Immobilized microbial agent for in situ restoration of contaminated sediments, preparation method and application thereof

#71
20200346986
2020-11-05

Manufacturing process for producing ammonia from anaerobic digestate liquid

#72
20200283322
2020-09-10

Earthworm reactor of frame composite structure and method of treating sludge thereby

#73
20200140308
2020-05-07

Sewage treatment system

#74
20200102236
2020-04-02

Process for bio-sludge reduction in hydrocarbon refinery effluent treatment plant through microbial interventions

#75
20190359513
2019-11-28

Curing and inoculation of pasteurized digestate

#76
20190256394
2019-08-22

Process for treating sewage sludge

#77
20190218123
2019-07-18

Pressostatic odor control cover for slurry treatment tank with device for reducing the inner volume occupied by harmful and malodorous gases

#78
20190177753
2019-06-13

Method for increasing PHAs content of waste sludge by fermenting the waste sludge to produce volatile fatty acid

#79
20190135668
2019-05-09

Mixing systems and methods of mixing

#80
20180345337
2018-12-06

Method and apparatus for dewatering biological solid material employing both microwave irradiation and solvent extraction

#81
20180230036
2018-08-16

Sludge dehydration system and sludge dehydration method

#82
20180170781
2018-06-21

Digestion of elemental sulfur in bioreactor during biological oxidation of sulfide in wastewater and groundwater

#83
20180155253
2018-06-07

Passive digestion

#84
20180119085
2018-05-03

Systems and methods of producing compositions from the nutrients recovered from waste streams

#85
20180118599
2018-05-03

Aerobic thermal chemical hydrolysis process

#86
20180002209
2018-01-04

Ecological remediation method for controlling sulphur pollution inBlack and odorous sludge of rivers

#87
20170369351
2017-12-28

Process for the treatment of biological materials and wastewater

#88
20170334796
2017-11-23

Solid waste treatment method

#89
20170152168
2017-06-01

LOW-PRESSURE AERATION TREATMENT OF BIOLOGICAL WASTEWATER

#90
20170137311
2017-05-18

SYSTEM AND METHOD OF TREATING ORGANIC MATERIAL

#91
20160304380
2016-10-20

Sludge treatment system

#92
20160304379
2016-10-20

Method to provide an optimized organic load to a downstream-wastewater treatment process

#93
20160304378
2016-10-20

Automatic control of biochemical oxygen demand content (BOD) of sludge and other products of a waste water treatment system

#94
20160200614
2016-07-14

Biogenic flocculant composition to enhance flocculation and dewaterability of chemically enhanced primary treatment sludge

#95
20160200606
2016-07-14

System and method for preventing ammonia rebound in a cold-weather bioreactor

#96
20160185641
2016-06-30

MOBILE THERMAL TREATMENT METHOD FOR PROCESSING ORGANIC MATERIAL

#97
20160185638
2016-06-30

FUNGI-BACTERIA COMPOSITE MICROECOLOGICS AND METHODS FOR PREPARING AND USING THE SAME

#98
20160115066
2016-04-28

Sludge dehydration system and sludge dehydration method

#99
20160115065
2016-04-28

Recovery device and recovery method for recovering specific material from sludge

#100
20160115054
2016-04-28

Systems and methods for enhanced facultative biosolids stabilization

#101
20160102007
2016-04-14

Producing algal biomass and products from organic solid material

#102
20160096756
2016-04-07

METHOD FOR USING A SLUDGE CLASSIFYING PRESS TO TREAT SLUDGE

#103
20160090317
2016-03-31

Digestion of waste activated sludge with algae

#104
20160002081
2016-01-07

WASTEWATER TREATMENT WITH MEMBRANE AERATED BIOFILM AND ANAEROBIC DIGESTER

#105
20150360983
2015-12-17

WATER REUSE SYSTEM AND METHOD

#106
20150336831
2015-11-26

Wastewater treatment process and system

#107
20150320082
2015-11-12

METHOD FOR PRODUCING FEED ADDITIVE RAW MATERIAL

#108
20150239763
2015-08-27

Biogenic flocculant composition to enhance flocculation and dewaterability of chemically enhanced primary treatment sludge

#109
20150210579
2015-07-30

FRESH WATER GENERATION METHOD

#110
20150210574
2015-07-30

Treatment using fixed film processes and ballasted settling

#111
20150164108
2015-06-18

METHODS OF PROCESSING WASTE ACTIVATED SLUDGE

#112
20150008169
2015-01-08

Combined bioreactor for the treatment of waste water, by means of anaerobic, aerobic and anoxic processes of degradation of organic matter with zone separator system and collection of biogases, scum and sludge

#113
20140231346
2014-08-21

Accelerated processing

#114
20140202956
2014-07-24

Pre-treatment of sludge

#115
20140183129
2014-07-03

Mixing systems and methods of mixing

#116
20140175001
2014-06-26

AQUATIC REMEDIATION APPARATUS

#117
20140034573
2014-02-06

Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods

#118
20130292329
2013-11-07

Process for the treatment of biological materials and wastewater

#119
20130134090
2013-05-30

Digestion of biosolids in wastewater

#120
20130092612
2013-04-18

Sludge thickening and ammonia treatment system

#121
20130026760
2013-01-31

METHOD FOR TREATING ORGANIC WASTE AND METHOD AND APPARATUS FOR PRODUCING SOLID FUEL/COMPOST USING ZERO DISCHARGE ACE SYSTEM

#122
20130015129
2013-01-17

Digestion of biosolids in wastewater

#123
20120312745
2012-12-13

Mixing systems and methods of mixing

#124
20120234751
2012-09-20

Wastewater pretreatment method and sewage treatment method using the pretreament method

#125
20120228217
2012-09-13

Method and apparatus for sluge treatment and use thereof in sewage biotreatment

#126
20120152853
2012-06-21

SYSTEM AND METHOD FOR REDUCING EMISSIONS IN A HOG CONFINEMENT FACILITY

#127
20120149076
2012-06-14

INTEGRATION OF FERMENTAITON WITH MEMBRANE

#128
20120006746
2012-01-12

System and method for reducing emissions in a hog confinement facility

#129
20110281255
2011-11-17

BIOLOGICAL PROCESS FOR CONVERTING ORGANIC BY-PRODUCTS OR WASTES INTO RENEWABLE ENERGY AND USABLE PRODUCTS

#130
20110272350
2011-11-10

Methods for Treatment of Waste Activated Sludge

#131
20110089105
2011-04-21

Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods

#132
20110084416
2011-04-14

Mixing systems and methods of mixing

#133
20110079060
2011-04-07

METHODS OF REDUCING GREENHOUSE EMISSIONS FROM ANIMAL MANURE

#134
20110021862
2011-01-27

Method for treating organic waste and method of utilizing heat energy

#135
20100317090
2010-12-16

WASTE TREATMENT SYSTEM

#136
20100288696
2010-11-18

Method for treatment of sludge

#137
20100274069
2010-10-28

Method for bioremediation of highly aromatic hydrocarbon wastes

#138
20100252498
2010-10-07

Systems and methods for wastewater treatment

#139
20100140165
2010-06-10

Method and plant for the treatment of an aqueous waste stream

#140
20100136674
2010-06-03

Plant for producing an oxygen-containing additive as an ecologically beneficial component for liquid motor fuels

#141
20100089823
2010-04-15

Feedback system for enhancing elimination of biomass in sewage sludge

#142
20100032371
2010-02-11

Method and system for controlling biodegradation and temperature in an aerobic or anaerobic subsurface or partially enclosed waste mass

#143
20100012580
2010-01-21

Systems and methods for wastewater treatment

#144
20090139289
2009-06-04

Biowaste treatment

#145
20090101086
2009-04-23

Water purification method, process and apparatus

#146
20090014384
2009-01-15

Novel microorganism and process for treatment of organic solid matter using the microorganism

#147
20080264856
2008-10-30

Bioreactor system for biological degradation of oily sludge

#148
20080248557
2008-10-09

Method of detoxification of yperite by using haloalkane dehalogenases

#149
20080245729
2008-10-09

Process for aerobic-thermophilic stabilization and disinfection of sludge

#150
20080210627
2008-09-04

Process for the aerobic-thermophilic stabilization and disinfection of sludge

#151
20080199943
2008-08-21

Material Solubiliser Reactor For Hydrolysis and/or Wet Fermentation and Waste Treatment Plant With Such a Solubiliser and Reactor

#152
20080185336
2008-08-07

Process for solid-state methane fermentation of biomass materials and fermentation apparatus system therefor

#153
20080156725
2008-07-03

Waste treatment process

#154
20080110825
2008-05-15

Method for treating wastewater and sludge

#155
20080073266
2008-03-27

Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment process

#156
20070267347
2007-11-22

Method and device for physical and biological treatment of biomass

#157
20070209998
2007-09-13

Multivalent metal ion management for low sludge processes

#158
20070163956
2007-07-19

Process for reducing waste volume

#159
20070128712
2007-06-07

Treatment of putrescrible cakes

#160
20070102353
2007-05-10

Method for treating raw sludge including a simultaneous or pulsed aerobic/anoxic digestion process

#161
20060169637
2006-08-03

Method and apparatus for treating sludge, and method and apparatus for treating wastewater utilizing the same

#162
20060163155
2006-07-27

Method and facility for treatment of sludge derive from biological water purification facilities

#163
20060151388
2006-07-13

Method of sludge recycling

#164
20060102535
2006-05-18

Method of sludge recycling

#165
20060086662
2006-04-27

Waste treatment systems

#166
20060070938
2006-04-06

Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment systems

#167
20060051856
2006-03-09

Bioreactor system for biological degradation of oily sludge

#168
20060027497
2006-02-09

Method of sludge recycling

#169
20060011540
2006-01-19

Process and apparatus for treating biosolids from wastewater treatment

#170
20050279706
2005-12-22

Sludge treatment process

#171
20050173339
2005-08-11

Sludge elimination system

#172
20050161838
2005-07-28

Stirring and aerating device for activated sludges

#173
20050145566
2005-07-07

Processes of aqueous solids treatment

#174
20050115892
2005-06-02

Method for treatment of sewage plant sludges by a fungal process

#175
20050016920
2005-01-27

Chemically enhanced primary sludge fermentation method

#176
18476235
2024-07-09

System and method for wastewater treatment control through microorganism metabolic pathway optimization

#177
13338141
2015-10-27

Waste water treatment system