Storm drain grate and filter apparatus and method
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United States of America Patent
Stats
-
Jul 28, 2020
Grant Date -
Jul 25, 2019
app pub date -
Jan 24, 2019
filing date -
Mar 31, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A storm water capture and filtration system may secure in a catch basin or other area subject to flows of water from streets, channels, and the like as a result of run off from storms. A filter system may include a capture portion including attachment mechanisms, a funnel, various supports, and a filter hanger designed and calculated to capture all water entering a storm water inlet and directing it toward a bag filter. A gap is provided between a funnel and filter hanger in order to provide accommodation for overflow, while an anti-backflow skirt on the filter bag resists flushing of captured pollution out of the bag in overflow condition.
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