Upflow surface water runoff filtration system

Liquid purification or separation – Structural installation – Grated inlet surface drain

Reexamination Certificate

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Details

C210S164000, C210S165000, C210S170050, C210S254000, C210S284000, C210S311000, C404S004000

Reexamination Certificate

active

07005060

ABSTRACT:
A surface water runoff filtration device comprises an intake which is adapted to receive storm water and other surface water runoff. The surface water runoff flows from the surface through the intake to a point below the filter media, and then up toward the surface through the filter media. This device may be used in both catch basin storm drains and inline drains.

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patent: WO 01/89998 (2001-11-01), None
Olson, Norman L., “Water Quality Treatment Device for Stormwater,” Mar. 6, 2003, 29 pp, I.S.C. Environmental, Inc.

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