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| Number | Title | Issue Date |
| 8168064 | Step flange catch basin adaptor and method of using A method of mounting a grate adapter unit beneath a stormwater collection grate includes steps of providing a grate adapter unit having a plurality of outwardly extending mounting flanges, each mounting flange being adapted to fit a different size commercially commo... | 05/01/2012 |
| 8017006 | Storm water filtration apparatus A storm water filtration apparatus, at the curb inlet for a storm drain, which prevents debris and pollutants from entering the storm drain system. Water passes through the filter at an upward angle. The filter does not require replacing for maintenance, and it cont... | 09/13/2011 |
| 8017005 | Adjustable, configurable storm inlet filter System and apparatus for filtering drainage which includes a configurable and adjustable rigid frame, hanger support structures adapted to contact a surface of a drainage structure, and a sediment bag. The frame may be adjusted or configured by modifying the locatio... | 09/13/2011 |
| 7959799 | Street curb filter basket system A street curb filter apparatus can be attached to a street curb side adjacent a manhole to collect storm water runoff from the curbside and direct the collected storm water through a filter basket. The street curb filter has a street curb shelf with a water channel ... | 06/14/2011 |
| 7854838 | Debris cage A debris cage is disclosed. The debris cage may include multiple panels, each having a plurality of opening. Each of the panels may be fastened together to form an enclosed structure having a substantially cylindrical portion integral with a conical or dome-like por... | 12/21/2010 |
| 7820041 | Drain cover A uniquely designed drain cover for swimming pools, spas, whirlpools and the like that is non-flat and clover shaped containing three or more “leaves” that provides for strengthened rigidity, increased protection against hair and body entrapment and that is conn... | 10/26/2010 |
| 7771591 | Filter system for catch basins A first filter basket (20) sits down into a catch basin (10) and has an upper flange (24) that rests on a shoulder (14) provided in the catch basin (10) for supporting a grate (16). The filter basket (20) has expanded... | 08/10/2010 |
| 7736499 | Disposable sink drain strainer A disposable drain strainer is removably received within a drain opening having an adjacent drain rim substrate. The strainer has a strainer portion, a ring portion, and a seal release mechanism. Top and bottom surfaces of the ring portion are adapted to sealingly e... | 06/15/2010 |
| 7704386 | Filter assembly A filter assembly (10) for a floor drain including a strainer (11) adapted to be located in the floor drain and a filter basket (13) detachably secured to the strainer (11) on the underside thereof to extend into the floor drain to filter... | 04/27/2010 |
| 7670483 | Adjustable, configurable storm inlet filter System and apparatus for filtering drainage which includes a configurable and adjustable rigid frame, hanger support structures adapted to contact a surface of a drainage structure, and a sediment bag. The frame may be adjusted or configured by modifying the locatio... | 03/02/2010 |
| 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 the conduit being lower than the opening of the catch basin. The filter... | 10/06/2009 |
| 7563364 | Curb inlet filter A modular curb inlet filter apparatus having an internal axial tube member on which are disposed at least two disc spacers, which in turn support a cylindrical mesh frame member, which in turn supports a tubular filter fabric. Wedge anchors composed preferably of a ... | 07/21/2009 |
| 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 filter member of the upper assembly is directed into the filter member o... | 04/28/2009 |
| 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 perforated drain pipe that is on the interior of the basin and which o... | 02/10/2009 |
| 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 universal housing and support ring that allows one design to fit most applic... | 01/20/2009 |
| 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 and a retainer device for maintaining the filter device in place cover... | 11/25/2008 |
| 7442296 | Disposable sink drain strainer A disposable drain strainer is removably received within a drain opening having an adjacent drain rim substrate. The strainer has a strainer portion, a ring portion, and a seal release mechanism. Top and bottom surfaces of the ring portion are adapted to sealingly e... | 10/28/2008 |
| 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 be rotated upwardly away from the road for street sweeping, and can ... | 10/21/2008 |
| 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 overflow/bypass opening to receive stormwater that bypasses the treatment cont... | 09/16/2008 |
| 7415802 | Bi-functional roof drain having integrated vent A bi-functional roof drain includes a housing forming a drain manifold and a drain outlet to connect to a drainage system. A vent pipe penetrates the housing and extends through the manifold. The top of the vent pipe is positioned a distance above the housing, which... | 08/26/2008 |
| 7407574 | Rooftop drainage device A rooftop drainage device is provided for use in protecting rooftop drainpipes from clogging. An exemplary embodiment of the drainage device includes a filter comprising at least three sides, wherein at least one of the sides includes a plurality of apertures for al... | 08/05/2008 |
| 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 concentration of bacteria in storm water that remains resident in the s... | 07/29/2008 |
| 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 perforated drain pipe that is on the interior of the basin and which o... | 07/08/2008 |
| 7367459 | Passive grease trap using separator technology A grease trap for separating grease and solid waste from waste water. The grease trap includes a tank having a downwardly shaped bottom. An upwardly shaped divider divides the tank into an upper chamber and a lower chamber. A hole near an upper part of the divider a... | 05/06/2008 |
| 7360965 | Cleanout with drainage capabilities A cleanout with adjustable subsurface drainage capabilities which includes a first body and a second body. The first body has a first sidewall and a top access opening. The first sidewall has a plurality of circumferentially spaced and axially oriented first slots. ... | 04/22/2008 |
| 7357861 | Curb inlet filter A curb inlet filter for filtering out sediments and the like flowing into a curb inlet, includes a filter body, including a water permeable, substantially rigid, elongated frame having an upstream side and a downstream side thereof, and an elongated filter cover for... | 04/15/2008 |
| 7341661 | Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases A sorptive-filtration system for removing at least one of negatively or positively charged ions, complexes or particulates from an aqueous stream. The system includes a) flow formed substantially from at least one of rainfall-runoff or snowmelt-runoff; b) a filter c... | 03/11/2008 |
| 7332091 | Process for treating storm water An insert for a storm water treatment system includes an elongated baffle member that is configured to be mounted within a substantially upright storm water drain basin so as to separate the interior space of the drain basin into a first compartment that communicate... | 02/19/2008 |
| 7329347 | Separating device The invention relates to a separating device for separating a first liquid from a second liquid, wherein the first liquid has a lower specific density than the second liquid. The separating device comprises a receptacle with an inside wall, an inlet and an outlet, w... | 02/12/2008 |
| 7313889 | Temporary ground-level road-edge member and method for positioning below-ground structures A template for temporary placement on the open upper end of a below-ground structure, including a rectangular body matching key dimensions of a permanent ground-level member to be installed, the body having an open bottom to engage the open upper end of the below-gr... | 01/01/2008 |
| 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 construction of roads and sewers. The trap is a box, typically rectangul... | 12/18/2007 |
| 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 end thereof. Said locking pin is used for connecting the de... | 12/04/2007 |
| 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 the screen to maintain separation between the debris and water; and an... | 11/27/2007 |
| 7300573 | Catch basin filter A catch basin filter having apertures and holding a silt barrier material may be securely attached to a drop inlet grate. The catch basin filter has apertures for preventing debris from entering the drop inlet and clogging sewers. A silt barrier material wrapped aro... | 11/27/2007 |
| 7300574 | 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 fully cover the gutter inlet and a retainer device for maintaining the filter device in place... | 11/27/2007 |
| 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 well. A plurality of open chambers are formed in the housing. An inlet f... | 11/13/2007 |
| 7293661 | Filtration media comprising granules of binder-agglomerated active component Granules comprise binder-agglomerated active particles for liquid treatment or filtration. Each granule has a center core of a material that itself has binding properties without the addition of other binders or sprays or adhesives, or, alternatively, each granule c... | 11/13/2007 |
| 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 preventing environmental water pollution. The system 1 is installed und... | 11/06/2007 |
| 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 inner housing for directing ground water passing through the grate and t... | 10/30/2007 |
| 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 formed therein and is adapted to mount adjacent to a sidewall of a storm ... | 10/02/2007 |
