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Drain filter support
The invention is a modification to the known DRAIN DIAPER.RTM. drain filter to enable the filter to be used in drains with the need to support the filter about the ...
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Curb-inlet storm drain systems for filtering trash and hydrocarbons
The system includes the use of a quantity of appropriately formed fragments comprising copolymer-based materials that absorb and entrap crude or refined hydrocarbon ...
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Drain basin filter insert system
The contaminant-absorbing catch basin filter insert system of this invention provides an improved structure for use in connection with new or existing water drainage ...
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Filter
The invention is a filter for a drainage basin comprising a filter bag formed with two sidewalls which are joined at their edges and with an open top so that when the ...
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Silt filtration system
In accordance with the present invention, a silt filtration system is provided for use with storm water catch basins for filtering silt from wastewater flowing into ...
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Storm drain assembly with disposable filter cartridge
The present invention is a disposable filter cartridge for a storm drain and the filter system that uses the improved filter cartridge. The filter cartridge has a pillow ...
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Drainage basin filter
In accordance with the present invention, a filter assembly for a drainage basin is provided. The filter assembly includes a filter, a liquid director adapted to guide ...
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Drainage filter system for debris and contaminant removal
New drainage filter apparatus and systems for debris and contaminant removal have been discovered. Such apparatus and systems are straightforward in construction and ...
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Top of grate catch basin filter
Our invention is a removable catch basin filter for a storm sewer catch basin which is equipped with a removable top inlet grate. The filter is essentially located on ...
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Process and apparatus for removal of mineral contaminants from water
The apparatus for removing mineral contaminants from water of this invention has an aeration tank with a top and an inlet at the top for admitting water from a supply of ...
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