Liquid purification or separation – Structural installation – Grated inlet surface drain
Reexamination Certificate
2006-01-30
2008-10-21
Popovics, Robert James (Department: 1797)
Liquid purification or separation
Structural installation
Grated inlet surface drain
C210S164000, C210S348000, C210S359000, C404S004000
Reexamination Certificate
active
07438802
ABSTRACT:
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 also be detached from the curb and removed to a remote location for cleaning. The filter assembly comprises a filter panel including a bristle filter and a frame that holds the bristle filter, the bristle filter including a plurality of bristles. At least one seal is positioned between the filter panel and the surface to prevent leakage around the edges of the panel. A pivotable mount is provided for holding the filter panel in an operational position in the path of the flowing drainage water. In one embodiment the bristles are made of polypropylene.
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Popovics Robert James
Wenskay Donald L.
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