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7618532 |
Aromatic drain device
An aromatic drain device comprising a perforate retaining device defining a volume for retaining an aromatic media therein, the retaining device releasably secured to a removable drain cover and...
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7588392 |
Removable grate
A two-part grate assembly for a channeled drain trough. The grate assembly has a grate frame that receives a removable grate section. The grate frame has lugs with vertical projections extending...
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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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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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7485218 |
Storm water filtration system
A storm water filtering system located in a storm water catch basin, the basin having a storm water inlet spaced from at least one storm water outlet and defining a chamber for storm water...
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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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7479221 |
Catch basin filter absorber apparatus for water decontamination
A storm water treatment device that is installed under the grate of new or existing catch basins, and more commonly referred to as an insert. The catch basin decontamination apparatus has a...
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7470361 |
System for stormwater environmental control
The present invention provides a method of installing an environmental control system so as to allow for separate sizing of treatment and bypass capacity while also offering the ability to make or...
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7438802 |
Run-off water filter for storm drains
A storm drain filter assembly that filters incoming drainage water and can prevent sediment, debris, and other undesirable materials (such as oil) from entering a storm drain's inlet. The frame can...
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7419588 |
Sump grate for a swimming pool
A grate cover in combination with a swimming sump being installed in a recess in the top of the sump. The grate cover having a multiple of interstices or openings there through. The size of the...
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7393153 |
Grating system
A grating system includes a first welded subassembly and a second non-welded subassembly joined to one another. The first subassembly includes spaced elongated bearing bars and spaced elongated...
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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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7303669 |
Grate for closing a drain and similar
The invention relates to a grate for closing a drain and similar. The inventive grate comprises an internal elastically deformable grid ( 2 ) provided with a locking pin ( 8 ) arranged on the free...
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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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7208082 |
Drainage water filter for erosion control
A storm drain filter including a frame holding a filter assembly to filter incoming drainage water and thereby prevent sediment from entering the storm drain's inlet. The frame can be easily...
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7201843 |
Framed storm drain insert sediment filter
The new design has three primary features: (1) a rectangular collar having a centrally located circular cutout with sewn loops formed on the outer edges of the collar; (2) a filter bag having top...
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7186333 |
Storm drain filtration system
A filter system for insertion into a storm drain pipe for filtering liquid runoff. Storm weather or other runoff will filter through this filter system prior to this runoff passing through to the...
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7160444 |
System for removing contaminants from storm water
A system for treating storm water in situ within a storm water drainage system includes a process chamber and treatment material that is contained within the process chamber. Preferably, the...
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7156987 |
Storm drain filter device
A storm drain filter device is provided including a preferably flexible, preferably frameless filter bag designed to be suspended in a drain inlet, and a connector assembly, connected to an open...
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7144185 |
Street grid for surface drainage
A street grid is provided for surface drainage. The grid includes a frame and a grating, which are adapted to the contours of a paved gully in order to be integrated into the latter, for draining...
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7128831 |
Pollutant containment system
A pollutant containment system for containing the spillage of fuels or other hydrocarbons or the like comprises a first layer ( 14, 60 ), a containment vessel ( 16 ) for receiving liquid passing...
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7122117 |
Self-cleaning composite deck drain
A self-cleaning composite deck drain apparatus which includes a removable top part having a top grating surface for receiving waste liquid and a trap for catching particulate matter from the liquid...
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7121759 |
Grating system
A grating system includes a first welded subassembly and a second non-welded subassembly joined to one another. The first subassembly includes spaced elongated bearing bars and spaced elongated...
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7094338 |
Method of making and using a filter in the form of a block of agglomerated copolymer fragments
One of the exemplary filter systems described includes a bracket and a filter module that can be suspended from the bracket by a plurality of flexible supports. The bracket can support the filter...
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7086098 |
Mechanical breathing aid with adaptive expiration control
A mechanical breathing aid for providing a regulated supply of a breathing gas has an expiratory pressure regulator for regulating gas pressure within an expiration gas flow path dependent on an...
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7070691 |
Protector for sewer system inlet
A protector for the inlet into a sewer system includes a straight or annular, porous tubular casing for placing on or around the periphery of a sewer grate; a skirt extending inwardly or outwardly...
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7066685 |
Drainage grate
A drainage grate assembly having a drainage grate which is reinforced by a substantially continuous reinforcing member confined within the grate. The load rating for the drainage grate assembly can...
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7048466 |
Channel element for road drainage gutter
The invention concerns a channel element ( 1 ) for roadway drainage gutter, consisting of a thermoplastic trench body ( 2 ) with U-shaped cross-section whereof the horizontal upper ends of the...
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7040838 |
High capacity catch basin filtration system with adjustable deflector ring
A catch basin filtration system having a filter body dimension to fit within a drain inlet forming a trough or reservoir obstructing at least a portion of the inlet. The filter body is supported by...
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7033489 |
Drainage assembly
A drainage assembly ( 10 ) comprises a frame ( 11 ) for defining at least part of the surface boundary of a surface drainage aperture; and a grating ( 14 ) having formed therein a plurality of...
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7014755 |
Filtration and plug drain device for containing oil and chemical spills
A filter/plug drain assembly for insertion into a drain so as to prevent the passage of selected contaminants through the drain is disclosed. The filter/plug assembly includes stacked layers of...
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7011746 |
Rainwater surface drain
A rainwater surface drain for use in roof drains comprises a substantially funnel-shaped reservatory for water to be drained and covered with an upper strainer or grating member downstream of which...
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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...
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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...
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6998039 |
Catch basin filter
A removable filter for in ground catch basins. The present invention includes a catch basin, a top grate, a filter and an attachment of the filter to the top grate. The filter is held in place both...
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6986621 |
Trench drain filtration system
A trench drain filtration system having a filter body dimensioned to fit within a trench drain forming a trough or reservoir obstructing at least a portion of the trench drain. The filter body is...
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6976808 |
Catch basin filtration system will disposable silt/contaminant collector
A catch basin filtration system is disclosed. A filter body is dimensioned to fit within an drain inlet forming a trough obstructing at least a portion of the inlet. The filter body is supported by...
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6974540 |
Street curb drain filter
A street curb drain filter is comprised of U-shaped brackets for attaching to an inside wall of a street curb drain adjacent an inlet. A horizontal retaining bar is attached to the outer ends of...
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6968665 |
Pool grating and a method of installation
A grate for a swimming pool structure is constructed by placing a multiple of grate bars in an elevated position above the gutter which is parallel to the pools edge including any curvatures. The...
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6964541 |
Fish safe screened water diversion apparatus
An apparatus for separating animated objects such as fish or other objects between a non-diverted and diverted fluid stream. Embodiments may include a screen or similar selective pass through...
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6908549 |
Reusable storm water sampler and pollutant filter insert
An insert for use in a sewer system to remove oils and solvents carried by surface water runoff. The insert includes a holder and a quantity of water permeable, hydrophobic, oil and solvent...
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6877451 |
Replacement retaining ring
A deck drain replacement/repair assembly for marine vessels, and a method for repairing or replacing a drain strainer, are provided. A flanged retaining ring and a flanged drain strainer are...
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6872029 |
Hard bodied high capacity catch basin filtration system
A catch basin filtration system is disclosed. A filter body is dimensioned to fit within a drain inlet forming a trough or reservoir obstructing at least a portion of the inlet. The filter body is...
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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...
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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,...
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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...
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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,...
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6802962 |
Deck drain cover plate assembly
An easy access deck drain cover assembly with a strainer plate having a removable hinge at one end and a removable locking mechanism opposite the hinge where the locking mechanism includes a J-bolt...
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6799606 |
Drainage pipe covering kit for use during building or floor construction
An accessory for use in construction includes a conduit ( 12 ) that has an inlet end ( 34 ) portion and an outlet end ( 18 ) portion. The outlet end ( 18 ) portion is mountable on a drainage pipe (...
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6797162 |
Catch basin filter for stormwater runoff
The present invention is a filter system for a curb inlet catch basin which catch basin includes a ramp in the curb front which feeds into a catch basin to allow storm water to run directly along...
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