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7632403 |
Liquid filtration system
In some embodiments, a filtration system may include one or more of the following features: (a) a housing having a bottom portion, a middle portion coupled to the bottom portion and an upper...
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7628911 |
Rain gutter member
A gutter member includes an inlet operatively coupled to a gutter trough. The inlet is configured to receive matter such as water and non-water matter from the gutter trough. The gutter member...
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7625485 |
Stormwater bioretention filtration system with overflow/bypass capability
A stormwater treatment system including a substantially water impermeable treatment container for treating stormwater through a bioretention mechanism. The treatment container includes an...
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7621695 |
Subsurface stormwater system
A cubic modular subsurface stormwater unit has equal top and bottom surfaces spaced apart by a set of four pillars, each of which runs from a corner of the top surface to a corresponding corner of...
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7597802 |
Drain filtration apparatus
A drain filtration apparatus including a catch basin and a filter housing. The catch basin includes a conduit extending upward from a drain opening in the catch basin, the upper vertical edge of...
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7582216 |
Water treatment and bypass system
A water treatment system having a system inlet to receive a fluid flow, a treatment chamber, a first system outlet, and a second system outlet. The treatment chamber has an inlet in communication...
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7550077 |
Downpipe filter
The housing G of a downpipe filter A, which housing is to be mounted between downpipe ends 1, 2 , has an exteriorly oriented outlet 6 , an inner sieve device 32 and a collecting trough 27 ...
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7544016 |
Sediment control
Sediment collection devices (SCDs) which can be used to collect sediment from sediment-bearing liquid, for example runoff from construction sites, and which have improved durability, particularly...
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7540954 |
Pollutant purification apparatus
An apparatus for purifying polluted water is disclosed, which can naturally remove polluted water stagnated in a treatment tank. The apparatus includes a treatment tank and an infiltration tank....
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7540953 |
Integrated below-ground vault with a filtered catch basin
The invention relates to an integrated belowground vault with filter catch basin, that allows the runoff water to enter into a belowground two-part vault passing through a commercially available...
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7534344 |
Upflow filtration and method apparatus for stormwater treatment
An upflow stormwater filter has horizontally aligned filter media to provide a high throughput for treatment of contaminated water, longer life to filter media, and without material head drop.
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7534355 |
Storm drain filter with variable flow capacity
A filter for use in a storm water drain to prevent debris from reaching the outlet of the drain. The filter is adjustable to be sized for a range of flow capacities. The filter includes a main...
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7524414 |
Apparatus for filtering out and collecting debris at a storm drain
Apparatus for filtering out and collecting debris at a storm drain includes upper and lower assemblies, each including a frame member and a filter member. Water passing through or alongside the...
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7517450 |
Pre-assembled flow control structured and related media filtration system
A stormwater filtration system includes a stormwater containment structure including a concrete floor and a pre-assembled flow structure embedded in the concrete floor. The pre-assembled flow...
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7507333 |
Method of and apparatus for cleaning runoff water
Runoff water from parking lots and filling stations is cleaned by first passing via an inlet pipe tangentially into a vortex chamber where the swirling action separates the contaminants from the...
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7503725 |
Subsurface drainage system
A subsurface water drainage system which includes a high porosity cylinder made of a mixture of Portland cement and activated charcoal, such cylinder disposed vertically in the subsoil to receive...
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7497234 |
Storm water flow restriction method and apparatus
A feature of the present invention is it is adaptable to any pre-existing storm catch basin system. Another feature of the present invention is that it permits empirical analysis and verification...
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7494585 |
Large area catch basin filter
The present invention relates to an apparatus for maximizing the blockage of fluid borne solid materials from passage through a catch basin into the downstream parts of a fluid flow channel, with...
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7491338 |
Apparatus and method for blocking and controlling the release of solid materials into or through a fluid-flow channel
The present invention relates to an apparatus and method, using the apparatus, for blocking the passage of solid materials into or through a channel while permitting the passage of fluid;...
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7488414 |
Storm water filter for positioning within a storm water inlet
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...
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7485221 |
System for treating wastewater
A wastewater treatment system treating excess wastewater from a sewer system includes a generally vertically oriented first shaft structure adapted to receive excess wastewater from the sewer...
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7481921 |
Inlet filter for storm drain
Embodiments of a filtration device, kit and method related to filtration in storm water systems are disclosed. A filtering device generally includes a mat adapted to filter water flowing through an...
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7473373 |
Stormwater pollution management apparatus and method of using same
A stormwater pollution management apparatus for a stormwater basin including a water intake assembly having a first end and a second end generally aligned along an axis and includes a hollow...
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7468129 |
Oil-water separator
An oil-water separator for use in a trench, which surrounds an oilfield. The separator is positioned in the ground such that an inlet conduit extends at about the same level as the bottom of the...
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7459090 |
Stormwater treatment system and method
A separator for stormwater includes a long, U-shaped sediment chamber and an oil chamber.
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7455766 |
System for filtering stormwater-carried debris flowing through a gutter inlet into a catch basin
A system for filtering debris carried by stormwater flowing through a gutter inlet into a catch basin utilizes a filter device configured to conform to and to substantially cover the gutter inlet...
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7449105 |
Water filtration and erosion control system
An erosion control system and method wherein a fabric filter bag is embedded with and/or filled with a flocculating polymer and is positioned on a sloping soil surface to dam and pond water flowing...
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7441661 |
Solids/liquids separator
A separator for separating solids and other objects (debris) from a liquid, and having a separator body ( 2 ) through which the liquid, having debris entrained therein ( 16, 19, 20 ), flows from an...
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7425262 |
In line wetland water treatment system
A complete storm water management system and process which performs both drainage and treatment tasks and incorporates a wetlands water treatment system. This system creates an infrastructure, flow...
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7425261 |
Stormwater bioretention filtration system with overflow/bypass capability
A stormwater treatment system including a substantially water impermeable treatment container for treating stormwater through a bioretention mechanism. The treatment container includes an...
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7422683 |
Vortex separator for separating floating and settling substances from centrally inflowing storm-water
Disclosed herein is a vortex separator for separating floating and settling substances from storm-water. The vortex separator of the present invention can separate fine settling substances as well...
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7422682 |
Compositions, devices, and methods for use in environmental 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,...
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7419591 |
Filter cartridge with check valve protection
A filter assembly is provided that includes a hood, a drain manifold, a filter disposed between the hood and the drain manifold, a drainage space that is disposed between and in fluid communication...
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7404892 |
Storm water catch basin filter comprising an anti-microbial agent
A combination filtration and anti-microbial catch basin filter disposed in a catch basin of a storm water system such that, in addition to removing particulate matter and other contaminants, the...
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7396471 |
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...
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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...
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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 (...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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