Compression fit storm water curb inlet filter

Liquid purification or separation – Processes – Including geographic feature

Reexamination Certificate

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Details

C210S767000, C210S162000, C210S163000, C210S170030, C210S232000, C210S474000, C210S489000, C210S497010

Reexamination Certificate

active

07922916

ABSTRACT:
A curb inlet filter is force fit into the throat of a curb inlet to filter debris and sediment from storm water entering an inlet. The device has a filter media affixed to the lower portion of a semi-rigid “C” shaped frame with upper retention flange. The shape and upper flange of the device combine to create a secure compression fit into the receiving inlet. The design includes an overflow feature above the extents of the filter media for heavy storm events. The “C” shape of the filter and placement within the throat of the curb inlet encourages sediment and debris to be captured within the device away from pedestrian and vehicular traffic. The device can easily be removed from the curb inlet while retaining the collected sediment and debris. The captured contaminants can be disposed of by emptying the contents in a designated area.

REFERENCES:
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patent: 6015489 (2000-01-01), Allen et al.
patent: 6698595 (2004-03-01), Norell et al.
patent: 6811708 (2004-11-01), Shaw et al.
patent: 6974540 (2005-12-01), Fleischmann
patent: 7238279 (2007-07-01), Saurenman et al.
patent: 7300574 (2007-11-01), Lewis
patent: 7357861 (2008-04-01), Kelley et al.
patent: 2002/0020658 (2002-02-01), Isaacson
patent: 2008/0134587 (2008-06-01), Ealer

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