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7374364 Trench drain filter assembly  
An improved trench drain filter and modular system therefor for intercepting and treating run off water in a trench drain before discharge into a drainage system. The filter elements include a...
7364652 Screening apparatus  
Screening apparatus ( 101,901 ) for use at an overflow weir ( 301, 902 ) in a sewerage system. The apparatus comprises a continuous moving screen band ( 201, 902 ) and a band cleaning mechanism (...
7344640 Urban runoff water treatment methods and systems  
The apparatus and methods of the present invention enable efficient and appropriate treatment of Urban Water Runoff, so that the treated Urban water Runoff can be can be introduced into public...
7314549 Storm water interceptor  
A storm water interceptor comprises an input conduit connected to a first treatment tank for delivering storm water to the first treatment tank and having an obvert elevation. Also, the interceptor...
7309420 Sanitary, storm and catch basin trap with filter insert  
A temporary trap having baskets and optionally filters in the baskets used in conjunction with inlets for sewer systems to keep debris, oils or chemicals from being washed into the sewer during...
7303670 Compositions, devices, and methods for use in environment remediation  
What is disclosed are compositions, devices, and methods for use in environmental remediation. The compositions are for use in a variety of environmental remediation barriers including fiber rolls,...
7300590 Method and apparatus for separating oil and debris from water run-off  
A drainage system for separating oil and debris from water run-off wherein a chamber in the path of flow of the run-off includes a downwardly inclined screen and a debris-collecting fence beneath...
7294256 Storm water filter system  
A storm water filter system for filtering storm water being fed into an in-ground well includes a housing having an inlet and an outlet, with the outlet being connected to an in-ground recharge...
7291262 Road surface waste water treatment device and tubular water treatment unit  
The invention provides a runoff water purification system for removing pollutants which accumulate on road surfaces, thereby reducing the workload of the sewage water treatment plants and...
7288188 Ground water collection system  
A storm water collection system including a below ground basin and a grate covering the basin. The system also includes a removable water impermeable receptacle disposed within the basin and an...
7282142 Fluid strainer assembly  
A fluid strainer device is disclosed. The device includes a housing which defines an open chamber, the chamber having both at least one fluid input port and at least one fluid outlet port. A...
7276156 Storm drain filter  
A storm drain filter is provided for filtering trash and debris from a stream of water passing through a storm drain. The storm drain filter comprises a panel having a multiplicity of openings...
7238281 Storm water runoff treatment system  
A hydrodynamic device for removing sediment and other materials from storm water runoff is provided. An exemplary embodiment of this device includes: a first substantially cylindrical chamber a...
7237981 End cap having integral pipe stub for use with stormwater chamber  
A detachable end cap for a molded plastic storm water chamber has an integrally welded pipe stub. The stub cantilevers outwardly from the exterior surface of the end cap, which is preferably dome...
7226240 Devices, systems, and methods for controlling erosion  
Included in the disclosure are exemplary devices, systems, and methods, embodiments of some of which can be useful for controlling erosion, retaining sediment, preventing siltation, treating...
7207747 Drainage system for sand bunker  
Rain water is drained from a golf course sand bunker or like structure by a drainage system which comprises a conduit having a solid top and perforations in the sidewall. A conduit which is a...
7182874 Storm water treatment apparatus employing dual vortex separators  
A stormwater treatment device for removing floatables, solids and suspended particles and the like from stormwater run off, whereby a removable assembly is provided for installation into a manhole...
7182856 Stormwater treatment train  
A system is provided for treating runoff water in which there is a separator and a filter for cleaning the water. A reservoir is provided to hold large quantities of water during prolonged...
7160465 Materials for removing toxic metals from wastewater  
A treatment facility for removing toxic metals from storm water runoff to provide clean water. The treatment facility includes a pretreatment chamber for removing large toxic particles from the...
7160440 Storm water separator system  
A storm water separator system having side walls constructed from sheet piling to enable installation within a small footprint and in poor soil conditions. The separator system has an upper bypass...
7125487 Oil waste and toxic compound separator  
A waste product separator includes a plurality of plate gussets which support a top cover plate. Each gusset has opposite ends with an interconnecting declining edge extending from the top plate to...
7108783 Drain inlet  
A drain inlet is disclosed for draining of liquid from an area in which it has collected. The inlet includes a body having a chamber therein for receiving the liquid from the area and an opening at...
7105086 Storm drain capture and containment device  
A storm drain system ( 10 ) contained in the ground ( 36 ) contains a standpipe ( 12 ) having a bottom section ( 18 ) having perforations ( 20 ) where a porous pavement ( 22 ) surrounds the top...
7080480 Integrated tree root and storm water system  
A structural cell system is disclosed for supporting hardscape areas in a way that enables tree root growth and accommodates filtering, retention, storage and infiltration of storm water while...
7052207 Sediment control drain and method of construction  
An erosion control basin is a molded open topped receptacle that has support flanges that will support the basin on the interior of a storm drain grate frame. A filter is formed around an upright...
7048849 First flush rainwater diverter and collection system  
A first flush rainwater diverter and collection system for use with rainwater storage tanks primarily in domestic situations. The system comprises primary ( 13 ) and secondary ( 14 ) storage...
7041213 Stormwater pretreatment and disposal system  
A stormwater drainage system capable of collecting, pretreating and disposing of the stormwater runoff into a dry well. Further capable of stopping the flow of stormwater into the dry well in the...
7037423 Method for removal and detoxication of dissolved metals in a rainwater discharge  
The present invention provides a water treatment apparatus and method for reducing toxicity in zinc containing acid stormwater runoff, the apparatus comprising a first filter layer of high calcium...
7025887 Sand filter treatment facility and method for removing toxic metals from storm water  
A treatment facility for removing toxic metals from storm water runoff to provide clean water. The treatment facility includes a pretreatment chamber for removing large toxic particles from the...
7022243 Apparatus for treating storm water  
A separation tank having an inlet and an outlet and forming a low flow path and a high flow path, both conveying water from the inlet to the outlet. At normal, low flows, the water enters the inlet...
7021869 Sediment control device and system  
A Sediment control devices and systems generally includes a core made up of granular material encased within a puncture resistant fabric, a compressible layer enwrapping the core and a geotextile...
7011743 Water pollution trap with water flow baffles  
A chamber having an inlet for receiving polluted storm-water runoff and an outlet for the storm water to flow out. Within the chamber are one or more baffles forming gaps and having apertures. The...
7005060 Upflow surface water runoff filtration system  
A surface water runoff filtration device comprises an intake which is adapted to receive storm water and other surface water runoff. The surface water runoff flows from the surface through the...
7001507 Retention and removal of debris and pollutants from surface water runoff  
A system to restrict and remove debris and pollutants from runoff water received from surrounding areas. A receptacle receives the runoff water, and a grate detains the heavier part of its solids...
6991734 Solids retention in stormwater system  
Apparatus for receiving and dispersing stormwater beneath the earth surface is comprised of an array of chambers, preferably having arch shape cross section, buried in crushed stone. Surface...
6955756 Storm drain movable baffle  
A flow control baffle is suspended from a pivot shaft across a drain passage to restrict passage of waste material; the shaft is connected to a torque limiter which prevents rotation until a...
6926464 Detention pond water quality apparatus and system  
A water quality apparatus and system utilized in permanent extended dry detention basins having an outlet control structure vertically mounted within a basin and a semi-round pipe (typically...
6921484 Compost berm  
An erosion barrier implementing the invention is a filter berm advantageously comprising a biodegradable “sock” filled with a biodegradable material, e.g., using conventional blower techniques....
6905599 Prefilter for water treatment  
An apparatus and method for use in conjunction with grassy swales and sidewalk cross drains to collect and filter or otherwise treat dirty or polluted storm water runoff or other fluid is...
6887375 System to save and recycle domestic water  
The invention is a system for the processing and recycling of water. Rain water or snow from a roof or other areas that collect rain water is transferred via a down spout to a rain water storage...
6875350 Chitosan enhanced dewatering bag  
A chitosan enhanced dewatering bag reduces the amount of silt, sedimentation and suspended solids from incoming water. The dewatering bag includes a first permeable membrane having a first open end...
6869528 Filtering system for runoff water  
The present invention filters runoff water containing oil and an emulsion of oil and water. A tank receives the inlet water and feeds it to a reservoir which in turn feeds the water to the...
6869526 Storm drain filter assembly  
A device for removing petroleum based contaminants from the runoff water that passes into a storm drain. The device is a filter apparatus that can be added to a storm drain. The filter apparatus...
6843616 Erosion control panels  
An erosion control device is a panel formed of spaced horizontal and spaced vertical rods joined together to create a frame upon which is mounted a sheet of silt fencing material. A plurality of...
6841077 Separation of hydrocarbons from hydrocarbon containing liquid  
A novel filtration media employing polymeric absorbents comprising a material selected from the group consisting of styrene, pentadiene, cyclopentadiene, butylene, ethylene, isoprene, butadiene,...
6833067 Device for draining flat roofs, balconies, terraces or other flat structures  
A drain device for draining flat roofs, balconies, terraces or other flat structures, has an inflow body provided with a collar rim. When the inflow body is mounted, the collar rim lies on the...
6824677 Curbside trap for pollutants and solid trash  
A trap for a curbside drain opening to exclude solids of excessive size from the drain and trap them for analysis and recovery. The trap has a face which will open at high rates of water flow to...
6818127 Rain collection system  
A rain collection system for collecting and storing rainwater. The rain collection system includes a collection assembly being designed for being positioned on a support surface. The collection...
6808623 Top of grate catch basin filter  
The invention is a removable filter for mounting on the top of a grate for a storm water drain that comprises an overflow bypass that has a water barrier wall that is compressible and thereby safe...
6805804 Continuous roll basin insert  
The invention is a basin insert, for use with a storm water drain basin having a perforated cover and cover support ledges. The invention comprises a filter bag assembly having a filter bag,...
Matches 1 - 50 out of 171 1 2 3 4 >