ClassID:

86662

C02F2303/24 - CPC Classification

Classification description:

Specific treatment goals Separation of coarse particles, e.g. by using sieves or screens

Recent Application in this class:
#1
20260132054
2026-05-14

DEVICES, SYSTEMS, AND METHODS FOR REDUCING FOULING IN WATER FLOW SYSTEMS

#2
20260078028
2026-03-19

ELECTROLYTIC BIOCIDE-GENERATING UNIT INTEGRATED WITH STRAINER

#3
20260029135
2026-01-29

SYSTEM AND METHOD FOR SCALE MANAGEMENT IN WATER HEATING SYSTEM

#4
20260027249
2026-01-29

Grow Table Cleaning System

#5
20250354398
2025-11-20

Apparatus for Removing a Layer of Sediment Which Has Settled on the Bottom of a Large Water Body

#6
20250282651
2025-09-11

SEPARATOR SYSTEM FOR USE IN AGRICULTURAL PROCESSING

#7
20250162911
2025-05-22

METHODS OF DEWATERING WASTE STREAMS CONTAINING ENTRAINED PARTICLES

#8
20250136475
2025-05-01

WATER PURIFICATION BY CAVITATION

#9
20250136470
2025-05-01

Flow-Through Filtration and Waste Separation Device

#10
20250122109
2025-04-17

Waste water treatment system

#11
20250109044
2025-04-03

Receiving Station Having Gravity-Driven Waste Separation

#12
20250109043
2025-04-03

SYSTEMS AND METHODS FOR REMOVING DISSOLVED AND SUSPENDED ORGANICS FROM A WATER SOURCE

#13
20250084658
2025-03-13

Apparatus for Removing a Layer of Sediment Which Has Settled on the Bottom of a Large Water Body

#14
20250064031
2025-02-27

SELF-CLEANING PRE-FILTER FOR A WATER CIRCULATION PUMP WITH A BIOFILM ENHANCEMENT SYSTEM AND METHOD

#15
20250059064
2025-02-20

Porous Pipes for Wastewater Treatments

#16
20250051184
2025-02-13

SYSTEM FOR REMOVING METALS FROM CONTAMINATED WASTE STREAMS AND METHODS OF USE THEREOF

#17
20250042798
2025-02-06

SYNERGISTIC DEVICE FOR RESOURCE AND ENERGY RECOVERY, POLLUTION REDUCTION AND CARBON REDUCTION OF KITCHEN WASTE

#18
20240391796
2024-11-28

BUOYANCY CLEANING DEVICE FOR ABOVEGROUND POOL

#19
20240391795
2024-11-28

BUOYANCY CLEANING DEVICE FOR ABOVEGROUND POOL

#20
20240383765
2024-11-21

PROCESS TO RECOVER AMMONIUM BICARBONATE FROM WASTEWATER

#21
20240351931
2024-10-24

Method and System for Fine Particulate Removal and Processing from a Coal Combustion Residual Surface Impoundment

#22
20240300827
2024-09-12

WATER REUSE AND CONTROL SYSTEM FOR INDUSTRIAL TEXTILE CLEANING FACILITIES

#23
20240254026
2024-08-01

METHODS AND SYSTEMS FOR TREATING WASTEWATER

#24
20240181392
2024-06-06

IMPROVED REVERSE OSMOSIS OR NANOFILTRATION PROCESS FOR CLEANING WATER

#25
20240150205
2024-05-09

APPARATUS FOR ELECTROCHEMICAL REGENERATIVE TREATMENT OF WATER AND METHODS OF USE

#26
20240132382
2024-04-25

FIBER-BASED MATERIALS FOR WATER TREATMENT

#27
20240124334
2024-04-18

AN ELECTROCHEMICAL REACTOR SYSTEM WITH MEANS FOR THE MAINTENANCE AND CLEANING THEREOF

#28
20240102304
2024-03-28

Apparatus for removing a layer of sediment which has settled on the bottom of a large water body

#29
20240091708
2024-03-21

WASTEWATER TREATMENT WITH PRIMARY TREATMENT AND MBR OR MABR-IFAS REACTOR

#30
20240034661
2024-02-01

System and method for extracting carbon source from sewage sludge in sewer pipes through online organic and inorganic component separation

#31
20240027101
2024-01-25

SYSTEM AND METHOD FOR SCALE MANAGEMENT IN WATER HEATING SYSTEM

#32
20230406728
2023-12-21

METHOD AND APPARATUS FOR PROLONGING CONTINUOUS OPERATION PERIOD OF METHANOL-TO-OLEFINS WATER WASHING PROCESS

#33
20230393029
2023-12-07

APPARATUS AND METHOD FOR CONTINUOUS MONITORING AND DETECTION OF MICROPLASTICS IN WATER

#34
20230365450
2023-11-16

Portable Systems for High Throughput Liquid Purification

#35
20230365435
2023-11-16

Fluids, Solids and Heavy Component Removal From Reclaimer Process Liquid Streams

#36
20230348305
2023-11-02

SYSTEM AND METHOD FOR TREATMENT OF ANIMAL MANURE CONTAINING WASTEWATER

#37
20230345918
2023-11-02

Self-cleaning pre-filter for a water circulation pump

#38
20230303417
2023-09-28

Sludge Treatment Process

#39
20230241622
2023-08-03

Treatment device and method

#40
20230192509
2023-06-22

System and process for separating sand and gravel in sediments of sewage pipe network and recycling organic matters

#41
20230150853
2023-05-18

Anaerobic waste digestion system

#42
20230150840
2023-05-18

SEPARATOR SYSTEM FOR USE IN AGRICULTURAL PROCESSING

#43
20230133915
2023-05-04

WASTEWATER SPECIMEN COLLECTION SYSTEM AND METHOD

#44
20230069293
2023-03-02

Environmentally friendly water intake and pretreatment system

#45
20230031923
2023-02-02

ELECTROLYTIC BIOCIDE-GENERATING UNIT INTEGRATED WITH STRAINER

#46
20220380241
2022-12-01

Sewage and Seawater Purification Apparatus

#47
20220315451
2022-10-06

Environmentally friendly sea water intake system

#48
20220295763
2022-09-22

Self-cleaning pre-filter for a water circulation pump

#49
20220227637
2022-07-21

Process to recover ammonium bicarbonate from wastewater

#50
20220212973
2022-07-07

Dissolved air flotation system and methods for biological nutrient removal

#51
20220178160
2022-06-09

Apparatus for removing a layer of sediment which has settled on the bottom of a large water body

#52
20220112111
2022-04-14

SYSTEM AND METHOD OF TREATING WASTEWATER USING A PORTABLE, NON-BIOLOGICAL, CYCLIC SEWAGE TREATMENT PLANT

#53
20220105474
2022-04-07

Air burst system for cleaning submerged screen intake

#54
20220062796
2022-03-03

Multiphase separation and pressure letdown method

#55
20210382485
2021-12-09

Intelligent solar powered pool skimming robot

#56
20210380454
2021-12-09

METHOD AND APPARATUS FOR WATER TREATMENT

#57
20210347665
2021-11-11

Method and apparatus for direct drying of inorganic sludge with drum drawing process

#58
20210307237
2021-10-07

Alley vacuum dumping receptacle for manure dilution

#59
20210299612
2021-09-30

Reverse osmosis or nanofiltration process for cleaning water

#60
20210269345
2021-09-02

Recycling of sodium sulfate in starch processing

#61
20210206661
2021-07-08

Method for treating a fluid by upflow through a bed of adsorbent media

#62
20210171376
2021-06-10

Methods for anaerobic waste digestion

#63
20210162325
2021-06-03

SEPARATOR FOR WASTEWATER TREATMENT WITH MOVABLE STRAINER ELEMENT

#64
20210140132
2021-05-13

Hybrid water filtering cleaning and quality monitoring device

#65
20210130192
2021-05-06

Perforated screen conversion kit

#66
20210122653
2021-04-29

Modular water purification system for nuclear power plants

#67
20210114901
2021-04-22

METHOD FOR TREATING WASTEWATER VIA A FLOCCULATING MINERAL COMPOSITION

#68
20210114896
2021-04-22

Method and system for treatment of an underwater surface and material removed from it

#69
20210024394
2021-01-28

Methods and systems for treating wastewater

#70
20200398226
2020-12-24

Air burst system for cleaning submerged screen intake

#71
20200385284
2020-12-10

Automated Waste Water Treatment

#72
20200325038
2020-10-15

Fluid injection filtration system

#73
20200306798
2020-10-01

Separator Assemblies and Methods

#74
20200299160
2020-09-24

Wastewater treatment apparatus to achieve class B biosolids using chlorine dioxide

#75
20200298149
2020-09-24

Wastewater screen filter and chain tensioning system

#76
20200298145
2020-09-24

Clog-resistant inlet for a conduit of a water treatment system

#77
20200270156
2020-08-27

Membrane wastewater treatment of combined sewer overflows and sanitary sewer overflows

#78
20200256003
2020-08-13

System and a method for washing items

#79
20200255313
2020-08-13

Process to recover ammonium bicarbonate from wastewater

#80
20200245651
2020-08-06

Antimicrobial application system with recycle and capture

#81
20200223730
2020-07-16

Process and plant for purification of waste from zootechnical sources

#82
20200223713
2020-07-16

Waste fluid treatment apparatus

#83
20200216329
2020-07-09

Systems and methods for removing volatile compounds from water-storage tanks

#84
20200156963
2020-05-21

Wastewater cleaning system and process

#85
20200139275
2020-05-07

Strainer for use in fluid piping

#86
20200135000
2020-04-30

Smart boat for swimming pool maintenance

#87
20200123037
2020-04-23

Membrane filtration apparatus and process for reuse of industrial wastewater

#88
20200101402
2020-04-02

Clog-resistant inlet for a conduit of a water treatment system

#89
20200071216
2020-03-05

Method for liquid purification by hydrodynamic cavitation and device for carrying out said method

#90
20200000309
2020-01-02

System and method for washing items

#91
20190389741
2019-12-26

Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity

#92
20190382285
2019-12-19

Waste separation system

#93
20190374980
2019-12-12

Nozzle cleaning device and nozzle drying method

#94
20190368214
2019-12-05

Apparatus for removing a layer of sediment which has settled on the bottom of a large water body

#95
20190357521
2019-11-28

Removable catch basin filter insert and lifting apparatus

#96
20190292082
2019-09-26

Portable systems for high throughput liquid purification using dissolved air flotation

#97
20190284074
2019-09-19

Method and device for treating wastewater containing organic matter and/or wet waste containing organic matter, in particular for treating sanitary wastewater in trains

#98
20190263677
2019-08-29

Environmentally friendly water intake and pretreatment system

#99
20190263676
2019-08-29

Systems and methods for a low environmental impact treatment of contaminated fluid

#100
20190216061
2019-07-18

Self-cleaning pre-filter for a water circulation pump

#101
20190185359
2019-06-20

Method for treating wastewater using a portable, non-biological, cyclic sewage treatment plant

#102
20190153719
2019-05-23

Curb inlet catch basin apparatus and method

#103
20190135667
2019-05-09

Wastewater treatment with primary treatment and MBR or MABR-IFAS reactor

#104
20190106332
2019-04-11

Fluid injection filtration system

#105
20190091612
2019-03-28

Cleaning apparatus for cleaning filter screens

#106
20190084840
2019-03-21

METHOD AND APPARATUS FOR AUTOMATIC FLOW CONTROL FOR PRODUCING EFFECTIVELY TREATED WATER WITH A CHEMICAL TREATMENT SUCH AS OZONE

#107
20190071338
2019-03-07

Process to recover ammonium bicarbonate from wastewater

#108
20190070560
2019-03-07

Process and system for treating waste water and generating power

#109
20190062178
2019-02-28

Methods for filtering effluent water for recycled use

#110
20190030464
2019-01-31

Antimicrobial application system with recycle and capture

#111
20190023595
2019-01-24

Method for treating an effluent supersaturated with calcium carbonate in the presence of phosphonate precipitation-inhibiting products

#112
20180361276
2018-12-20

Filtering apparatus comprising an inlet and at least two outlets

#113
20180344081
2018-12-06

Filter assembly for use in a fluid container of a domestic appliance

#114
20180333678
2018-11-22

Reverse osmosis or nanofiltration process for cleaning water

#115
20180236381
2018-08-23

IFS AND GRIT BOX FOR WATER CLARIFICATION SYSTEMS

#116
20180202141
2018-07-19

Sewage pit

#117
20180186660
2018-07-05

Systems and methods for removing volatile compounds from water-storage tanks

#118
20180162760
2018-06-14

Methods and systems for separating solid particulates from waste water

#119
20180155228
2018-06-07

Method and device for purifying domestic or industrial water

#120
20180148918
2018-05-31

Ring grit remover

#121
20180141840
2018-05-24

Method for biological cleaning of wastewater

#122
20180126391
2018-05-10

Flocculation basin inclusion or exclusion type water treatment apparatus using dissolved air flotation

#123
20180086655
2018-03-29

Portable liquid recovery system with optional preliminary processor and feed

#124
20180085686
2018-03-29

Method for maximizing uniform effluent flow through a waste water treatment system

#125
20180078883
2018-03-22

Methods and apparatus for treating water and wastewater employing a cloth filter

#126
20180057382
2018-03-01

System and method for waste treatment

#127
20180036658
2018-02-08

Suspended-matter removing method utilizing biofilm and suspended-matter removing apparatus utilizing biofilm

#128
20180028952
2018-02-01

Ballast Water Treatment Systems

#129
20180009681
2018-01-11

Electrochemical treatment methods

#130
20180008920
2018-01-11

Ballast Water Treatment Systems

#131
20170370117
2017-12-28

Apparatus for removing a layer of sediment which has settled on the bottom of a large water body

#132
20170369348
2017-12-28

Wastewater treatment system

#133
20170362092
2017-12-21

Filtration system for pet water fountain

#134
20170327397
2017-11-16

Method for treating animal waste

#135
20170326478
2017-11-16

Saturated layer stormwater filter and passive stormwater management system with pretreatment

#136
20170253506
2017-09-07

Subsea deoxygenation in a water injection process plant

#137
20170166468
2017-06-15

Membrane filtration apparatus and process for reuse of industrial wastewater

#138
20170158538
2017-06-08

Systems and methods for treating oilfield wastewater

#139
20170129797
2017-05-11

Process for the treatment of a flow of waste water by low-pressure filtration

#140
20170121194
2017-05-04

Device for purifying cropland effluents

#141
20170120253
2017-05-04

System and method for transportation and desalination of a liquid

#142
20170088449
2017-03-30

Wastewater treatment with primary treatment and MBR or MABR-IFAS reactor

#143
20170051491
2017-02-23

Curb inlet filter

#144
20170044034
2017-02-16

Method and device for dewatering sludge on a screen

#145
20170036247
2017-02-09

Nozzle cleaning device and nozzle drying method

#146
20170022728
2017-01-26

Intelligent solar powered pool skimming robot

#147
20170022522
2017-01-26

Production of biogas from organic materials

#148
20170014736
2017-01-19

Filtration assembly for gradually screening of fine and coarse particles in a single operational unit

#149
20160376195
2016-12-29

METHOD AND FACILITY FOR TREATING SLUDGE, IN PARTICULAR HARBOUR SLUDGE

#150
20160332894
2016-11-17

Treatment system for liquids and interior surfaces of a fixture

#151
20160332601
2016-11-17

Vehicular windshield washer fluid replenishing system

#152
20160292795
2016-10-06

Charging device of circulating water utilization system and circulating-water utilization system

#153
20160289107
2016-10-06

Moving bed biofilm reactor for waste water treatment system

#154
20160289085
2016-10-06

Automatic flow control based on sensed effectiveness indicators to produce effectively treated water with a portable water treatment unit

#155
20160272521
2016-09-22

Apparatus for water treatment using a physical separator

#156
20160251236
2016-09-01

System, method, and apparatus for water desalination

#157
20160243471
2016-08-25

Screen decanter for removing solids from wastewater

#158
20160220091
2016-08-04

System and method for washing items

#159
20160214879
2016-07-28

Treatment of waste products with anaerobic digestion

#160
20160214039
2016-07-28

Nozzle-brush automatic cleaning filter with motor reducer

#161
20160199783
2016-07-14

System and method for purifying water from a body of water

#162
20160194221
2016-07-07

Ion exchange system for removing sulfate ions from water

#163
20160145134
2016-05-26

System and method for treating contaminated wastewater

#164
20160137537
2016-05-19

Method and apparatus for wastewater treatment using gravimetric selection

#165
20160128286
2016-05-12

Irrigation filter system

#166
20160107899
2016-04-21

Method for maximizing uniform effluent flow through a waste water treatment system

#167
20160107104
2016-04-21

Screen decanter for screening solids from waste water

#168
20160096762
2016-04-07

Treatment of waste products with anaerobic digestion

#169
20160096760
2016-04-07

Apparatus for treatment of sludge

#170
20160096758
2016-04-07

Apparatus for separating materials from an influent stream

#171
20160096757
2016-04-07

Method and apparatus for separating biologically digestible materials from an influent stream

#172
20160052813
2016-02-25

Electrolytic treatment method of olive mill waste water

#173
20160038952
2016-02-11

Ring grit remover

#174
20160031724
2016-02-04

Systems, devices, and methods of water filtration

#175
20160023935
2016-01-28

Treatment of municipal wastewater with anaerobic digestion

#176
20160023934
2016-01-28

Portable, non-biological, cyclic sewage treatment plant

#177
20150376043
2015-12-31

Method and apparatus for wastewater treatment using external selection

#178
20150360155
2015-12-17

Ballast water treatment systems

#179
20150346073
2015-12-03

Waste stream evaluation and screen selection system

#180
20150345164
2015-12-03

System and method for maintaining water quality in large water bodies

#181
20150329394
2015-11-19

Use of activated carbon in a membrane bioreactor

#182
20150329383
2015-11-19

Gravity flow runoff water purification system

#183
20150283557
2015-10-08

Flocculation basin inclusion or exclusion type water treatment apparatus using dissolved air flotation

#184
20150225974
2015-08-13

Method and system for cleaning a pond

#185
20150203075
2015-07-23

Windshield washer conditioner

#186
20150183673
2015-07-02

Method of reducing industrial water use

#187
20150183658
2015-07-02

Method and apparatus for a vertical lift decanter system in a water treatment system

#188
20150175440
2015-06-25

Graywater separation device

#189
20150166379
2015-06-18

Wastewater treatment system

#190
20150166361
2015-06-18

System and method for maintaining water quality in large water bodies

#191
20150157966
2015-06-11

Rotary type dust removing machine

#192
20150122736
2015-05-07

Removal of selenium from coal mining runoff water

#193
20150114904
2015-04-30

System and method for waste treatment

#194
20150041416
2015-02-12

Fluid injection filtration system

#195
20150041408
2015-02-12

Fluid injection filtration system

#196
20150021266
2015-01-22

Operating method for membrane separation device and membrane separation device

#197
20150021258
2015-01-22

Antimicrobial application system with recycle and capture

#198
20150021250
2015-01-22

Apparatus, methods, and system for treatment of stormwater and waste fluids

#199
20150021247
2015-01-22

Method and system for water reclamation, purification, and reuse for residential, commercial, and agricultural applications

#200
20150005482
2015-01-01

Separation of biocomponents from manure

#201
20140374340
2014-12-25

Half-barrel intake screen

#202
20140367327
2014-12-18

Wastewater treatment plant

#203
20140311962
2014-10-23

Water filter system

#204
20140311959
2014-10-23

Wastewater treatment device

#205
20140305880
2014-10-16

Self-cleaning pre-filter for a water circulation pump

#206
20140305865
2014-10-16

System and method for treating wastewater and resulting sludge

#207
20140291239
2014-10-02

Wastewater treatment method and equipment using a dual-diffusion oxygen supply horizontal-flow biofilm

#208
20140263010
2014-09-18

Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods

#209
20140251919
2014-09-11

Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity

#210
20140224730
2014-08-14

Wastewater treatment process including irradiation of primary solids

#211
20140224719
2014-08-14

Wastewater treatment system including irradiation of primary solids

#212
20140217015
2014-08-07

Use of primary sludge for carbon source in an aerated-anoxic bioreactor system

#213
20140197113
2014-07-17

Systems and apparatus for removal of harmful algae blooms (HAB) and transparent exopolymer particles (TEP)

#214
20140175009
2014-06-26

Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods

#215
20140158598
2014-06-12

Storm water vault having an articulated floating screen filter system

#216
20140144850
2014-05-29

System and method for purifying rainfall runoff

#217
20140138329
2014-05-22

Method and apparatus for wash water treatment

#218
20140138300
2014-05-22

Self-cleaning screen assembly for filtering irrigation water

#219
20140131273
2014-05-15

Method and apparatus for wastewater treatment using screens

#220
20140124438
2014-05-08

Wastewater treatment method and device

#221
20140124424
2014-05-08

Integrated system for treating and recycling rainwater

#222
20140120594
2014-05-01

Method for reducing water usage in a cellulosic conversion process

#223
20140110323
2014-04-24

Mobile buoyant aerator

#224
20140083936
2014-03-27

Method and apparatus for water treatment using screens

#225
20140060323
2014-03-06

Systems and methods for exhaust gas cleaning and/or ballast water treatment

#226
20140054236
2014-02-27

Gate strainer that fits into a gate valve curb box

#227
20140042061
2014-02-13

Heating system for desalination

#228
20140034574
2014-02-06

Treatment of waste products with anaerobic digestion

#229
20140021130
2014-01-23

Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods

#230
20130334137
2013-12-19

Non-dispersive oil recovery from oil industry liquid sources

#231
20130306554
2013-11-21

DEVICE FOR PURIFICATION OF SANITARY WASTE WATER

#232
20130264282
2013-10-10

Process, apparatus and membrane bioreactor for wastewater treatment

#233
20130240419
2013-09-19

Windshield washer conditioner

#234
20130213893
2013-08-22

System and method for treating produced, desalted, and flow back water

#235
20130213883
2013-08-22

Treatment of municipal wastewater with anaerobic digestion

#236
20130213869
2013-08-22

Fixture cells for bioretention systems

#237
20130193047
2013-08-01

Filter for rainwater harvesting

#238
20130189096
2013-07-25

Pollutants collecting pump for water surface

#239
20130186155
2013-07-25

Method for treating animal waste

#240
20130180904
2013-07-18

UNDERWATER FILTRATION OPERATOR

#241
20130164411
2013-06-27

Micronized CaCOslurry injection system for the remineralization of desalinated and fresh water

#242
20130146548
2013-06-13

IMMERSED SCREEN AND METHOD OF OPERATION

#243
20130134092
2013-05-30

Wastewater treatment apparatus to achieve class B biosolids using chlorine dioxide

#244
20130126433
2013-05-23

Water treatment apparatus, system and process

#245
20130126431
2013-05-23

Water conversion system

#246
20130068679
2013-03-21

Apparatus, methods, and system for treatment of stormwater and waste fluids

#247
20130066475
2013-03-14

Seawater desalination plant system

#248
20130048572
2013-02-28

Self-contained irrigation polishing system

#249
20130048557
2013-02-28

Triple-chambered wetland biofilter treatment system

#250
20130043195
2013-02-21

WATER RECLAMATION SYSTEMS AND METHODS

#251
20130042642
2013-02-21

Apparatus and methods for creating purified portable water from the atmosphere

#252
20130037463
2013-02-14

WASTEWATER TREATMENT SYSTEM

#253
20130023448
2013-01-24

Methods for Treating Hydrocarbon-Servicing Fluids and Wastewater and Fluids Produced Using the Same

#254
20130001159
2013-01-03

Method for wet weather wastewater treatment

#255
20130001158
2013-01-03

BIORETENTION MODULE, METHOD AND SYSTEM FOR TREATING WATER

#256
20120298583
2012-11-29

Drinking straw with hollow fibre liquid filter

#257
20120279920
2012-11-08

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

#258
20120267314
2012-10-25

Gravity powered liquid purification system

#259
20120261337
2012-10-18

System and method for wastewater treatment

#260
20120255902
2012-10-11

Peak flow management in wastewater treatment using direct membrane filtration

#261
20120241385
2012-09-27

WATER FILTRATION SYTEM WITH ACTIVATED CARBON AND ZEOLITE

#262
20120234776
2012-09-20

Treatment of Water

#263
20120216837
2012-08-30

Apparatus for removing a layer of sediment which has settled on the bottom of a pond

#264
20120199220
2012-08-09

GREY WATER PROCESSING AND DISTRIBUTION SYSTEM

#265
20120152827
2012-06-21

Bioretention system with internal high flow bypass

#266
20120149076
2012-06-14

INTEGRATION OF FERMENTAITON WITH MEMBRANE

#267
20120125829
2012-05-24

DESALINATION INTAKE SYSTEM WITH NET POSITIVE IMPACT ON HABITAT

#268
20120118824
2012-05-17

WATER TREATMENT APPARATUS AND WATER TREATMENT METHOD

#269
20120111800
2012-05-10

METHOD AND SYSTEM FOR HARVESTING WATER, ENERGY AND BIOFUEL

#270
20120103445
2012-05-03

Method and apparatus for a lagoon batch treatment system

#271
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2012-04-26

SUSPENDED MEDIA MEMBRANE BIOLOGICAL REACTOR SYSTEM AND PROCESS INCLUDING SUSPENSION SYSTEM

#272
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2012-03-29

SEPTAGE TREATMENT SYSTEM AND PROCESS

#273
20120074048
2012-03-29

Silt and debris filtering system for storm drains

#274
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2012-03-15

Versatile environmentally conscious apparatus

#275
20120055875
2012-03-08

METHOD TO TREAT PRODUCED WATERS FROM THERMALLY INDUCED HEAVY CRUDE OIL PRODUCTION (TAR SANDS)

#276
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2012-03-08

WATER TREATMENT REACTOR SCREENING SYSTEM AND METHOD

#277
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2012-01-12

Method of recovering polyhydroxyalkanoates (PHAs) from municipal waste sludge

#278
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2012-01-05

Wastewater treatment system

#279
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2011-12-15

Water filter system

#280
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2011-12-08

Desalination intake system with net positive impact on habitat

#281
20110293492
2011-12-01

IN SITU PROCESS AND METHOD FOR GROUND WATER REMEDIATION AND RECOVERY OF MINERALS AND HYDROCARBONS

#282
20110287144
2011-11-24

Recovering water

#283
20110284376
2011-11-24

Systems and techniques for electrodialysis

#284
20110278235
2011-11-17

EcoSafe Desal Intake System

#285
20110266200
2011-11-03

Emergency extraction line and marine particle skimmer

#286
20110259805
2011-10-27

SYSTEM FOR REMOVING PARTICULATE MATTER FROM WASTEWATER

#287
20110257307
2011-10-20

Methods and systems for converting waste into complex hydrocarbons

#288
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2011-10-06

SYSTEM FOR CONTROLLING FLUID LEVELS IN A WASTEWATER TREATMENT BIOLOGICAL REACTOR

#289
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2011-09-29

Self-cleaning screen assembly for filtering irrigation water

#290
20110203992
2011-08-25

HYBRID AEROBIC AND ANAEROBIC WASTEWATER AND SLUDGE TREATMENT SYSTEMS AND METHODS

#291
20110192777
2011-08-11

Cleaning and material separating device for wastewater, particularly from livestock husbandry

#292
20110163019
2011-07-07

Waste water treatment apparatus

#293
20110147303
2011-06-23

Bioretention system with high internal high flow bypass

#294
20110140457
2011-06-16

Wastewater pre-treatment and evaporation system

#295
20110124944
2011-05-26

Process for incorporating a dry treatment product into a liquid waste

#296
20110116914
2011-05-19

Decentralized source separation sewage system

#297
20110108492
2011-05-12

External filtering and absorbing device for use in a local containment area

#298
20110100911
2011-05-05

Wastewater treatment method and system with ozonation for microconstituent removal

#299
20110100897
2011-05-05

SYSTEM AND METHOD FOR LIQUID PURIFICATION

#300
20110100895
2011-05-05

Membrane module for fluid filtration