ClassID:

86322

C02F3/02 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage Aerobic processes

Sub-classes:
Recent Application in this class:
#1
20260109629
2026-04-23

DYNAMIC DOSING SYSTEM AND METHOD FOR BIOLOGICAL WASTEWATER TREATMENT

#2
20260084986
2026-03-26

SYSTEM AND METHOD OF UTILIZING HYDRODYNAMIC CAVITATION AND BIOLOGICAL AGENTS TO TREAT WASTEWATER

#3
20250368557
2025-12-04

PROCESS AND PLANT FOR TREATMENT OF WASTEWATER STREAM FROM ACRYLIC ACID AND/OR ACRYLATE PRODUCTION PLANT

#4
20250289741
2025-09-18

ASPERGILLUS SP. DH4 WITH AEROBIC DENITRIFICATION ENHANCED BY INORGANIC ELECTRON DONOR AND USE THEREOF

#5
20250270127
2025-08-28

System and Method for Recovering Waste Energy at Treatment Plants

#6
20250197261
2025-06-19

WASTEWATER TREATMENT USING COMPOSITE BIOFILM CARRIERS

#7
20250187058
2025-06-12

Materials and Methods for Remediating and Mitigating Iron Pollution

#8
20250178944
2025-06-05

IMPROVEMENTS IN AND RELATING TO EFFLUENT AND TREATMENT OF SAME

#9
20250178937
2025-06-05

SURFACE WATER TREATMENT SYSTEM INCLUDING OXYGEN NANOBUBBLE GENERATION WITHIN SURFACE WATER AND RELATED METHODS

#10
20250177931
2025-06-05

OXYGEN NANOBUBBLE TREATMENT DEVICE INCLUDING NITROGEN-INPUT AIR DRYER AND RELATED METHODS

#11
20250177930
2025-06-05

OXYGEN NANOBUBBLE SYSTEM AND RELATED METHODS

#12
20250170518
2025-05-29

METHOD OF PRODUCING CARBON DIOXIDE FROM A GAS SCRUBBING PROCESS

#13
20250091919
2025-03-20

METHOD AND SYSTEM FOR WATER TREATMENT USING MODIFIED ADVANCED OXIDIZING TECHNOLOGY

#14
20250033003
2025-01-30

Pressurized Liquid Stream With Dissolved Gas

#15
20250011205
2025-01-09

METHOD FOR ACCURATELY CONTROLLING DISSOLVED OXYGEN OF AEROBIC WASTEWATER TREATMENT SYSTEM

#16
20240279095
2024-08-22

Multiple Chamber Septic Tank with a Plurality of Large and Small Access Ports

#17
20240252998
2024-08-01

GENERATION OF NANO-BUBBLES IN A LIQUID CARRIER

#18
20240208847
2024-06-27

DEGRADABLE WASTE PROCESSING

#19
20240190742
2024-06-13

METHODS AND SYSTEMS FOR TREATING FLUID USING A BIOCHEMICAL PROCESS UNDER VACUUM PRESSURE

#20
20240132387
2024-04-25

METHODS AND SYSTEMS FOR TREATING FLUID USING A BIOCHEMICAL PROCESS UNDER VACUUM PRESSURE

#21
20240051848
2024-02-15

Method for Purifying Contaminated Water

#22
20230416127
2023-12-28

Liquid Bio-Catalytic Composition

#23
20230416124
2023-12-28

Multiple chamber septic tank with a plurality of large and small access ports

#24
20230322595
2023-10-12

Wastewater Ozone Treatment

#25
20230270082
2023-08-31

SYSTEM AND PROCESS FOR RECYCLING BIOGENIC CARBON DIOXIDE

#26
20230234866
2023-07-27

Wastewater leaching system

#27
20230175947
2023-06-08

Automated permeability test for a filter basket

#28
20230079755
2023-03-16

Method for optimization of filtration in an aquaculture system

#29
20230062520
2023-03-02

Aeration Device

#30
20230040809
2023-02-09

METHOD FOR REMOVING TBBPA IN WATER, MICROBIAL STRAIN AND MICROBIAL AGENT

#31
20220411303
2022-12-29

Wetland system for treating domestic wastewater and rainwater and application thereof

#32
20220411299
2022-12-29

Gas-liquid recycling device and method of using same

#33
20220402834
2022-12-22

METHOD FOR TREATING HUMAN OR ANIMAL URINE AND USES OF THE TRANSFORMED URINE OBTAINED IN PARTICULAR AS FERTILISER

#34
20220402787
2022-12-22

Treatment system for cephalosporin wastewater and treatment method thereof

#35
20220356098
2022-11-10

strain, composite microbial inoculum prepared from strain and use of composite microbial inoculum

#36
20220332604
2022-10-20

METHOD, SYSTEM AND DEVICE FOR WASTEWATER TREATMENT

#37
20220234927
2022-07-28

Mixing systems and methods of mixing

#38
20220212967
2022-07-07

Wastewater conditioning apparatus and method

#39
20220200029
2022-06-23

System and Method of Generating Electricity in A Body of Water

#40
20220194833
2022-06-23

System and Method of Separating Oxygen from A Body of Water

#41
20220194830
2022-06-23

COOPERATIVE OPTIMAL CONTROL METHOD AND SYSTEM FOR WASTEWATER TREATMENT PROCESS

#42
20220194786
2022-06-23

System and Method of Generating Hydrogen Gas

#43
20220168696
2022-06-02

Pressurized liquid stream with dissolved gas

#44
20220162099
2022-05-26

Wastewater treatment device and wastewater treatment method

#45
20220041482
2022-02-10

Method for controlling growth of blue algae in water area by utilizing eucalyptus

#46
20220023796
2022-01-27

Exhaust gas purification system

#47
20220017396
2022-01-20

Continuous-, linear-, flexible-channel sewage treatment process, through a modified aerobic biological reactor system, or transformation of an existing anaerobic biological reactor into a modified aerobic biological reactor, coupled with a modified flexible flotation/decanting system

#48
20210404696
2021-12-30

Switching flow water source heater chiller

#49
20210380455
2021-12-09

Method for treatment of mixed electroplating wasterwater without cyanide and phosphorus-containing reductant

#50
20210380443
2021-12-09

Biomass selection and control for continuous flow granular/flocculent activated sludge processes

#51
20210380442
2021-12-09

Biomass selection and control for continuous flow granular/flocculent activated sludge processes

#52
20210380441
2021-12-09

Biomass selection and control for continuous flow granular/flocculent activated sludge processes

#53
20210309552
2021-10-07

Water hygiene improving system and methods

#54
20210292673
2021-09-23

Process for the production of bio-oil and biogas from biomass

#55
20210274758
2021-09-09

Method for optimization of filtration in an aquaculture system

#56
20210198132
2021-07-01

METHODS AND APPARATUSES FOR WATER, WASTEWATER, AND WASTE TREATMENT

#57
20210155517
2021-05-27

Wastewater Leaching System

#58
20210147263
2021-05-20

METHOD, SYSTEM AND DEVICE FOR WASTEWATER TREATMENT

#59
20210122682
2021-04-29

Method to prepare a soy hydrolysate product with a high concentration of free amino acids and method of using the same

#60
20210107814
2021-04-15

System and method for accelerated waste decomposition in an unsecured landfill

#61
20210039974
2021-02-11

Mixing systems and methods of mixing

#62
20210022323
2021-01-28

CIRCULATING WATER PURIFICATION SYSTEM FOR AQUACULTURE BREEDING

#63
20210002154
2021-01-07

Biomass selection and control for continuous flow granular/flocculent activated sludge processes

#64
20200377848
2020-12-03

RESOURCE RECOVERY METHOD FOR SIMULTANEOUS PRODUCTION OF MICROBIAL INGREDIENT AND TREATED WATER PRODUCTS

#65
20200240121
2020-07-30

Wastewater re-use systems

#66
20200216343
2020-07-09

Wastewater treatment device and wastewater treatment method

#67
20200140304
2020-05-07

Process for treating contaminated water

#68
20200079671
2020-03-12

Sanitizing wastewater

#69
20200061541
2020-02-27

METHODS AND SYSTEMS FOR CONCENTRATING DIGESTATE FROM BIOGAS

#70
20200048125
2020-02-13

Method for integrated treatment of electroplating wasterwater

#71
20200017388
2020-01-16

Process for the biological purification of nutrient-contaminated wastewater

#72
20200002204
2020-01-02

METHOD OF REMOVAL AND RECOVERY OF HEXAVALENT CHROMIUM FROM EFFLUENTS BY PASSIVE-ACTIVE BIOLOGICAL PROCESS

#73
20190389755
2019-12-26

Aerated racetrack wetland system for treating wastewater

#74
20190375660
2019-12-12

Wastewater leaching system

#75
20190352205
2019-11-21

Biodegradation of aniline from hypersaline environments using halophilic microorganisms

#76
20190330091
2019-10-31

Water hygiene improving method

#77
20190330090
2019-10-31

Horizontal-flow sand filtration pool and water treatment process thereof

#78
20190276343
2019-09-12

Combined sedimentation tank

#79
20190248712
2019-08-15

Method to prepare a soy hydrolysate product with a high concentration of free amino acids and method of using the same

#80
20190202712
2019-07-04

BIOLOGICAL WASTE MANAGEMENT SYSTEMS

#81
20190161372
2019-05-30

Systems and processes for treatment of high total dissolved solids wastewater

#82
20190144353
2019-05-16

SOLID HIGH-TEMPERATURE AEROBIC FERMENTATION REACTION SYSTEM AND METHOD

#83
20190135668
2019-05-09

Mixing systems and methods of mixing

#84
20190119821
2019-04-25

Method for treating spent caustic to recover caustic and sulphur by a bioelectrochemical process

#85
20190092662
2019-03-28

Wastewater treatment device and wastewater treatment method

#86
20190046948
2019-02-14

Method for reducing or controlling wastewater and pollutant from emulsion polymerization resin production

#87
20190024092
2019-01-24

BACILLUS BOMBYSEPTICUS SF3 DECOMPOSING FLUORINE-CONTAINING COMPOUND, RECOMBINANT MICROORGANISM INCLUDING GENE DERIVED FROM BACILLUS BOMBYSEPTICUS AND METHOD OF REDUCING CONCENTRATION OF FLUORINE-CONTAINING COMPOUND IN SAMPLE BY USING BACILLUS BOMBYSEPTICUS

#88
20190015846
2019-01-17

Pretreated wastewater spray system

#89
20180339925
2018-11-29

Method for forming aerobic granules, device for forming aerobic granules, method for treating wastewater, and device for treating wastewater

#90
20180339276
2018-11-29

Pressurized liquid stream with dissolved gas

#91
20180305232
2018-10-25

Biosorption wastewatertreatment system

#92
20180273413
2018-09-27

Wastewater detoxification method and system

#93
20180155269
2018-06-07

Method of purifying nitrated aromatic compounds from a nitration process

#94
20180155228
2018-06-07

Method and device for purifying domestic or industrial water

#95
20180141843
2018-05-24

Fast biofilm formation method for organic filler during treatment of sewage with low C/N ratio

#96
20180141839
2018-05-24

MBR frame

#97
20180072835
2018-03-15

Immobilizing carrier, polyether compound used for producing same and method for producing immobilization carrier

#98
20180044209
2018-02-15

Wastewater leaching system

#99
20170369351
2017-12-28

Process for the treatment of biological materials and wastewater

#100
20170369349
2017-12-28

Bio-assisted process for the treatment and regeneration of spent caustic

#101
20170369348
2017-12-28

Wastewater treatment system

#102
20170334796
2017-11-23

Solid waste treatment method

#103
20170233274
2017-08-17

CONTAMINANT REMOVAL FROM WASTE WATER

#104
20170217787
2017-08-03

MODULAR LIQUID WASTE TREATMENT SYSTEM AND METHOD

#105
20170203985
2017-07-20

Biogeochemical transformations of flue gas desulfurization waste using sulfur oxidizing bacteria

#106
20170190596
2017-07-06

Leachate treatment and reduction systems and methods

#107
20170166469
2017-06-15

Process for treatment of sour water generated from coal gasification

#108
20170166467
2017-06-15

Process for treating organic material

#109
20170159030
2017-06-08

Bacterial cytochrome P450 protein variant and method of reducing concentration of fluorinated methane in sample using the same

#110
20170114534
2017-04-27

LIQUID WASTE TREATMENT APPARATUS

#111
20170088447
2017-03-30

Processing of aqueous waste streams to remove naphthenic acids

#112
20170037862
2017-02-09

Spiral Pump, Device for Treatment of Water and Associated Method

#113
20170022080
2017-01-26

Aerobic treatment system

#114
20170008785
2017-01-12

System and Method for Treating Water with a Biological Based Biocide

#115
20160368798
2016-12-22

METHOD AND SYSTEM OF ENHANCED AEROBIC DIGESTION

#116
20160362320
2016-12-15

Wastewater leaching system

#117
20160340211
2016-11-24

Apparatus and method for reduction in ammoniacal nitrogen from waste waters

#118
20160326034
2016-11-10

Microbial compositions and methods for denitrification at high dissolved oxygen levels

#119
20160318781
2016-11-03

MIXING SYSTEMS AND METHODS OF MIXING

#120
20160304370
2016-10-20

Methods and apparatuses for water, wastewater, and waste treatment

#121
20160257588
2016-09-08

SYSTEMS AND METHODS FOR DIFFUSING GAS INTO A LIQUID

#122
20160229724
2016-08-11

Filter system for a fluid

#123
20160229587
2016-08-11

Baffle tank for filtering a fluid and a method of forming the baffle tank

#124
20160220969
2016-08-04

Pressurized liquid stream with dissolved gas

#125
20160214876
2016-07-28

WATER TREATMENT SYSTEMS AND METHODS FOR CONCURRENT REMOVAL OF VARIOUS TYPES OF ORGANIC MATERIALS

#126
20160176736
2016-06-23

TREATMENT FOR DOMESTIC AND INDUSTRIAL WASTE WATER

#127
20160174531
2016-06-23

Aquaculture Pump System and Method

#128
20160137536
2016-05-19

Bioelectrochemical system having polyvalent ion removing function

#129
20160122213
2016-05-05

Systems and Methods for Achieving Partial Nitrification in a Biological Nitrogen Removal Reactor

#130
20160113249
2016-04-28

Liquid bubble separator of circulating water system

#131
20160075576
2016-03-17

Oleophilic bio-barrier for controlling NAPL migration

#132
20160074916
2016-03-17

Bioremediation of perchlorate-contaminated media

#133
20160060149
2016-03-03

Systems and methods for sterilizing liquid media

#134
20160023928
2016-01-28

Waste processing method and apparatus

#135
20160017589
2016-01-21

Liquid waste treatment apparatus

#136
20160002083
2016-01-07

MICRO-SIEVE SEPARATION AND COD DIVERSION IN WASTEWATER TREATMENT

#137
20160002079
2016-01-07

IMPROVED FERMENTATION PROCESS AND PRODUCTS USEFUL FOR THE SAME

#138
20150360981
2015-12-17

Process for treating effluents containing nitrogen in ammonium form, and equipment for implementing this process

#139
20150360980
2015-12-17

Managing greywater from a microbial decomposition process

#140
20150353394
2015-12-10

System and Method for Treating Wastewater

#141
20150329392
2015-11-19

Bioreactor system for aquarium and septic tank

#142
20150291461
2015-10-15

Inoculant for water treatment device

#143
20150284264
2015-10-08

Methods and systems for treating spent caustic and regenerating media

#144
20150273259
2015-10-01

Complex method for cleaning environment from oil pollutants

#145
20150239762
2015-08-27

Method of reducing residual recalcitrant organic pollutants

#146
20150232358
2015-08-20

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM INCLUDING MULTIPLE BIOLOGICAL REACTOR ZONES

#147
20150225271
2015-08-13

Amplified Relief From Drought and Famine- A Spin-Off Technology From Fossil-Fueled Climate Restoration

#148
20150210577
2015-07-30

Process for reducing the production of sludge by municipal or industrial wastewater purification plants, and equipment for the implementation thereof

#149
20150210573
2015-07-30

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM INCLUDING SUSPENSION SYSTEM

#150
20150210572
2015-07-30

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR PROCESS INCLUDING MULTIPLE BIOLOGICAL REACTOR ZONES

#151
20150210571
2015-07-30

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR PROCESS INCLUDING SUSPENSION SYSTEM

#152
20150197459
2015-07-16

Method for converting oil-based drilling fluids, fracking fluids, and produced waters into fertile indigenous top soil

#153
20150196920
2015-07-16

Network connected weight tracking system for a waste disposal machine

#154
20150191748
2015-07-09

Process for treating organic materials

#155
20150184081
2015-07-02

Biomass treatment for hydrothermal hydrocatalytic conversion

#156
20150166379
2015-06-18

Wastewater treatment system

#157
20150151994
2015-06-04

SINGLE-TANK NUTRIENT REMOVAL SYSTEM USING IMMOBILIZED BIOMASS

#158
20150122732
2015-05-07

Method of treating water using petroleum coke and a pH-lowering agent

#159
20150108068
2015-04-23

MICROBIAL FUEL CELL AERATOR

#160
20150101993
2015-04-16

METHOD AND SYSTEM FOR ENHANCING MASS TRANSFER IN AERATION/OXYGENATION SYSTEMS

#161
20150079662
2015-03-19

Bioremediation of perchlorate-contaminated media

#162
20150060357
2015-03-05

Wastewater treatment apparatus capable of performing both initial rainwater overflow treatment and primary treatment, and wastewater treatment method according to said apparatus

#163
20150041392
2015-02-12

METHOD AND SYSTEM USING MICRO/NANO BUBBLES FOR ENHANCED IN SITU REMEDIATION OF POLLUTED GROUNDWATER

#164
20150027941
2015-01-29

PORTABLE SEWAGE COLLECTION SYSTEM

#165
20150001145
2015-01-01

Bio-filter for waste water digestion

#166
20140374347
2014-12-25

SYSTEMS AND METHODS FOR DIFFUSING GAS INTO A LIQUID

#167
20140353249
2014-12-04

Process for producing and supplying a coolant to a filtration sub-system, including reconditioning and recombining a return flow of used coolant

#168
20140353228
2014-12-04

Non-transitory computer writeable medium incorporating a processor control associated with a system for producing and supplying a coolant to at least one filtration sub-system, as well as reconditioning and recombining a return flow of used coolant

#169
20140339158
2014-11-20

System and process for removing ammonium, soluble BOD and suspended solids from a wastewater stream

#170
20140339157
2014-11-20

Systems and methods for achieving partial nitrification in a biological nitrogen removal reactor

#171
20140311972
2014-10-23

NITRIFICATION METHOD AND SYSTEM

#172
20140305866
2014-10-16

System for decomposition of organic compounds and method of operation

#173
20140284273
2014-09-25

Decanted bio-balanced reactor and method

#174
20140263045
2014-09-18

Gasification waste water treatment using air separation unit oxygen

#175
20140251924
2014-09-11

Treatment of spent caustic waste

#176
20140251904
2014-09-11

Vortex diodes as effluent treatment devices

#177
20140224730
2014-08-14

Wastewater treatment process including irradiation of primary solids

#178
20140224719
2014-08-14

Wastewater treatment system including irradiation of primary solids

#179
20140217018
2014-08-07

Biological Nitrogen Removal Aeration Control

#180
20140166574
2014-06-19

BIOFILM CARRIERS AND BIOLOGICAL FILTRATION SYSTEMS INCLUDING THE SAME

#181
20140158614
2014-06-12

Apparatus for water, wastewater, and waste treatment

#182
20140151296
2014-06-05

Produced water treatment to remove organic compounds

#183
20140144839
2014-05-29

APPARATUS AND METHOD FOR CULTIVATING MICROALGAE USING EFFLUENT FROM SLUDGE TREATMENT

#184
20140116939
2014-05-01

Method for wastewater treatment by urine separation, seawater addition, and nitrification and in-sewer denitrification

#185
20140083942
2014-03-27

Systems and methods for treating produced water

#186
20140076803
2014-03-20

“In-situ” ballast water treatment method and system

#187
20140042088
2014-02-13

BUBBLE GENERATING SYSTEM AND METHOD FOR WASTEWATER TREATMENT

#188
20130306553
2013-11-21

Method for treating process water from a plant for the hydrothermal carbonisation of renewable raw materials and organic residues

#189
20130299334
2013-11-14

Process for the purification of an aqueous stream coming from the fischer-tropsch reaction

#190
20130292329
2013-11-07

Process for the treatment of biological materials and wastewater

#191
20130277302
2013-10-24

WATER TREATMENT SYSTEM

#192
20130270182
2013-10-17

Decanted bio-balanced reactor and method

#193
20130228512
2013-09-05

High Performance Nitrifying Sludge for High Ammonium Concentration and Low Temperature Wastewater Treatment

#194
20130199996
2013-08-08

GROUND WATER REMEDIATION USING HUMATE ENHANCED AEROBIC COMETABOLISM

#195
20130193068
2013-08-01

MODIFICATION OF EXISTING WASTEWATER SYSTEMS WITH SUBSTRATE SUPPORTED BIOFILMS

#196
20130193049
2013-08-01

Machine tool coolant reconditioning system

#197
20130175208
2013-07-11

FILTRATION APPARATUS

#198
20130153494
2013-06-20

METHODS AND APPARATUSES FOR WATER AND WASTEWATER TREATMENT

#199
20130126407
2013-05-23

Leach field system

#200
20130075315
2013-03-28

Leach field system

#201
20130048574
2013-02-28

Microbial fuel cell aerator

#202
20130032532
2013-02-07

Water treatment method and method for producing ultrapure water

#203
20120318735
2012-12-20

PROCESS FOR THE THERMOPHILIC AEROBIC TREATMENT OF CONCENTRATED ORGANIC WASTE WATER AND THE RELATED PLANT

#204
20120312745
2012-12-13

Mixing systems and methods of mixing

#205
20120282678
2012-11-08

METHOD FOR RECOVERING INERT OR LIVING MICROPARTICLES AND USE AND INSTALLATION OF SAME

#206
20120279920
2012-11-08

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM AND PROCESS INCLUDING MULTIPLE BIOLOGICAL REACTOR ZONES

#207
20120261337
2012-10-18

System and method for wastewater treatment

#208
20120175301
2012-07-12

Method for treating contaminated water

#209
20120152832
2012-06-21

Submerged system and method for removal of undesirable substances from aqueous media

#210
20120138524
2012-06-07

Upward-type filtering apparatus characterized in laminating method of filtering material

#211
20120103445
2012-05-03

Method and apparatus for a lagoon batch treatment system

#212
20120097608
2012-04-26

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM AND PROCESS INCLUDING SUSPENSION SYSTEM

#213
20120085702
2012-04-12

Sewage nitrate removal by free-draining asphyxiant filtration and carbon addition

#214
20120067797
2012-03-22

Bioreactor system for aquarium and septic tank

#215
20120048385
2012-03-01

Aerobic irrigation controller

#216
20120034696
2012-02-09

Electrokinetically-altered fluids comprising charge-stabilized gas-containing nanostructures

#217
20120024782
2012-02-02

METHOD AND APPARATUS FOR TREATING AN OIL SPILL

#218
20120024766
2012-02-02

Wastewater re-use systems

#219
20110301531
2011-12-08

Pressurized liquid stream with dissolved gas

#220
20110186491
2011-08-04

Aerobic treatment/clarifier system for use in an aerobic wastewater treatment system

#221
20110180467
2011-07-28

Submerged biofiltration purifying apparatus

#222
20110151547
2011-06-23

REACTOR AND METHOD FOR TREATING CONTAMINATED WATER

#223
20110139691
2011-06-16

Pressurized wastewater effluent chlorination system

#224
20110132822
2011-06-09

Floating bioreactor system

#225
20110104804
2011-05-05

Mixing device for creating an output mixture by mixing a first material and a second material

#226
20110089171
2011-04-21

WASTEWATER TREATMENT PROCESS BASINS

#227
20110084416
2011-04-14

Mixing systems and methods of mixing

#228
20110017664
2011-01-27

Suspended media membrane biological reactor system including suspension system and multiple biological reactor zones

#229
20110005284
2011-01-13

Wastewater treatment system including irradiation of primary solids

#230
20110000851
2011-01-06

High performance nitrifying sludge for high ammonium concentration and low temperature wastewater treatment

#231
20100320145
2010-12-23

Method for treating waste water

#232
20100288695
2010-11-18

PROCESS AND SYSTEM FOR ALGAE PRODUCTION FROM THE BYPRODUCTS OF WASTE WATER TREATMENT

#233
20100276363
2010-11-04

Wastewater treatment process and plant comprising controlling the dissolved oxygen concentration

#234
20100258501
2010-10-14

Method of treating wastewater using sequencing batch aerated lagoon

#235
20100252500
2010-10-07

Treatment of spent caustic waste

#236
20100233777
2010-09-16

Systems and methods for achieving partial nitrification in a biological nitrogen removal reactor

#237
20100219372
2010-09-02

Brine purification

#238
20100178112
2010-07-15

Leach field form and method of use

#239
20100163485
2010-07-01

Wastewater treatment method

#240
20100140168
2010-06-10

Bioaugmentation to remediate dioxane in groundwater

#241
20100101985
2010-04-29

Apparatus for removing dissolved hydrogen sulfide in anaerobic treatment

#242
20100038244
2010-02-18

Mixing device

#243
20100032369
2010-02-11

SEWAGE PURIFICATION PLANT AND PROCESS THEREOF

#244
20100018918
2010-01-28

METHOD AND DEVICE FOR THE AEROBIC TREATMENT OF WASTE WATER

#245
20090277822
2009-11-12

CHANGEABLE CONTINUOUS FLOW MODULAR SYSTEM FOR THE TREATMENT OF WATER STREAMS

#246
20090114603
2009-05-07

Wastewater treatment vessel

#247
20090057211
2009-03-05

Water treatment apparatus and method

#248
20090045120
2009-02-19

Wastewater chemical/biological treatment method and apparatus

#249
20090038999
2009-02-12

System for treating wastewater having a controlled reaction-volume module usable therein

#250
20080281001
2008-11-13

Mixing device

#251
20080271805
2008-11-06

Fluid conduit with layered and partial covering material thereon

#252
20080251439
2008-10-16

Methods and Apparatus For Biological Treatment of Waste Waters

#253
20080251437
2008-10-16

Installation for the mechanical purification of liquids, and method for separating suspended matter

#254
20080223782
2008-09-18

Pressurized biological waste water purification process

#255
20080219088
2008-09-11

Mixing device for creating an output mixture by mixing a first material and a second material

#256
20080202999
2008-08-28

Leach Field Form and Method of Use

#257
20080189841
2008-08-14

Pressure-actuated liquid disinfectant dispenser and method for an aerobic treatment system

#258
20080156724
2008-07-03

Recirculating wastewater evapotranspiration and disinfection system

#259
20080116132
2008-05-22

System and method for oxygenating an aerobic sludge digester

#260
20080093284
2008-04-24

UNITARY MOBILE POWER GENERATION AND WATER MANAGEMENT FACILITY

#261
20080053907
2008-03-06

Offshore Wastewater Treatment

#262
20080035539
2008-02-14

Pressurized wastewater effluent chlorination system

#263
20080029459
2008-02-07

Water treatment equipment

#264
20080006567
2008-01-10

Advanced Purification System Utilizing Closed Water Area by Hollow Water Area (Utsuro)

#265
20080000844
2008-01-03

Wastewater disinfection apparatus and methods

#266
20070289922
2007-12-20

Modular wastewater treatment system

#267
20070221580
2007-09-27

Regulating air velocity continuously injected into biological water treatment reactor

#268
20070221574
2007-09-27

SYSTEM, METHOD, AND APPARATUS FOR AERATION AND PROCESSING WASTE IN AEROBIC WASTEWATER MANAGEMENT

#269
20070209999
2007-09-13

Wastewater treatment system

#270
20070196319
2007-08-23

Methods of producing, marketing and using odor control compositions

#271
20070175806
2007-08-02

Disinfectant system for use with residential aerobic wastewater treatment plants

#272
20070163956
2007-07-19

Process for reducing waste volume

#273
20070114175
2007-05-24

Water treatment method and apparatus

#274
20070075019
2007-04-05

Method for treating liquids

#275
20070062820
2007-03-22

Fuel cell cogeneration system

#276
20070034566
2007-02-15

Biodestruction of blended residual oxidants

#277
20070017857
2007-01-25

Liquid disinfectant system for use with aerobic wastewater treatment plants

#278
20070012620
2007-01-18

Apparatus for recovering energy from turbulence created within an aerobic biological reactor

#279
20070000835
2007-01-04

Wastewater treatment

#280
20060272988
2006-12-07

High aspect ratio wastewater system

#281
20060266704
2006-11-30

Biological filtration module for use within a wastewater treatment system

#282
20060249450
2006-11-09

Apparatus and method for treating wastewater containing nitrogen-containing dyes

#283
20060243664
2006-11-02

Methods for biological treatment of waste waters

#284
20060243663
2006-11-02

Device and related methods for purifying a liquid

#285
20060219632
2006-10-05

Method for treating wastewater

#286
20060207933
2006-09-21

Water treatment system for water animal feeding facility

#287
20060196828
2006-09-07

Biodestruction of blended residual oxidants

#288
20060186042
2006-08-24

Waste treatment method

#289
20060124543
2006-06-15

System for treating wastewater and a controlled reaction-volume module usable therein

#290
20060123988
2006-06-15

Method for producing a useful compound and treating a wastewater using pure oxygen

#291
20060054553
2006-03-16

System for treating liquids

#292
20060043017
2006-03-02

System and method of treating waste water

#293
20060043016
2006-03-02

Septic tank

#294
20050284810
2005-12-29

Waste stream digestion method

#295
20050279703
2005-12-22

Nitrogen removal system and method for wastewater treatment lagoons

#296
20050274669
2005-12-15

Wastewater treatment system

#297
20050274657
2005-12-15

Disinfectant system for use with residential aerobic wastewater treatment plants

#298
20050269262
2005-12-08

Biological film support module for wastewater treatment system

#299
20050247639
2005-11-10

Reduction in biological oxygen demand levels in waste water effluents

#300
20050236327
2005-10-27

Wastewater treatment