Rain and storm water filtration systems

Details Rain and storm water filtration systems Rain and storm water filtration systems

2009-03-06

2010-10-05

Chilcot, Jr., Richard E (Department: 3635)

Static structures (e.g., buildings)

Cover with surface water receiver at eave or valley

With separator; e.g., strainer

C052S013000, C052S016000, C210S747300, C210S266000, C210S251000

Reexamination Certificate

active

07805890

ABSTRACT:
A debris-filtering downspout and other water runoff conduits and receptacles are disclosed, and include a screen mounted within a conduit, a culvert, a storm water conveyance or secured to a water collection basin. The screen provides high water throughput and is self-cleaning while effectively filtering debris contained in an incoming water stream. Optionally, media pads may be included to further scrub the water before it exits the downspout assembly.

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3 sheets of “Products” from www.hydroscreen.com describing Coanda-effect screens. Printed Apr. 6, 2004.
2 sheets from www.norrisscreen.com/applications. Printed Apr. 6, 2004.
Wahl, T., “Hydraulic Performance of Coanda-Effect Screens,” Journal of Hydraulic Engineering, vol. 127, No. 6, pp. 1-16, Jun. 2001.
Office Action mailed Jun. 13, 2007 from Related U.S. Appl. No. 10/819,445, filed Apr. 6, 2004.
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Final Office Action mailed Dec. 17, 2008 from Related U.S. Appl. No. 10/819,445, filed Apr. 6, 2004.

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