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Class Information
Number: 137/120
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Plural outflows > Alternately or successively substituted outflow > Control by filling auxiliary gravitating or float operating tank
Description: Systems in which the control of the flow is in response to a filling of a separate or auxiliary tank of the gravitating or float operating type.

Patents under this class:

Patent Number Title Of Patent Date Issued
7779855 Systems and methods for rainwater collection, irrigation, and conservation Aug. 24, 2010
7775232 Flowing-down rainwater filtration device and rainwater storage device using the same Aug. 17, 2010
5836116 Tank system Nov. 17, 1998
5482084 Eavestrough downspout Jan. 9, 1996

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