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Class Information
Number: 137/135
Name: Fluid handling > Siphons > Periodic or accumulation responsive discharge > Float-operated inlet to siphon
Description: Apparatus having a float responsive to the accumulation of liquid in the siphon chamber in which the float actuates means for admitting liquid to the siphon element to initiate liquid flow there through.










Patents under this class:

Patent Number Title Of Patent Date Issued
8104499 Precision siphon operated septic field dosing system with filtration and backwash Jan. 31, 2012
7654278 Level control for liquid throughfeed Feb. 2, 2010
6532984 Constant flow liquid supplier Mar. 18, 2003
6178984 Self-priming siphon, in particular for irrigation Jan. 30, 2001
5661855 Reservoir fill valve control for toilet storage tanks Sep. 2, 1997
5626162 Water control gauge May. 6, 1997
5482067 Instrument cleaning cassette with guided double hinge Jan. 9, 1996
5364034 Controlled low volume irrigation system Nov. 15, 1994
5343888 Automatic syphon system Sep. 6, 1994
5293894 Automatic prime and flush siphon condensate pump system Mar. 15, 1994
5273067 Liquid dosing apparatus Dec. 28, 1993
D328748 Pool cover draining pump Aug. 18, 1992
5113889 Floating intake for transport of liquid from a fixed depth below the surface of a reservoir May. 19, 1992
4651767 Conveyor dewatering system Mar. 24, 1987
4479274 Swimming pool siphon Oct. 30, 1984
4471798 Flushing cisterns Sep. 18, 1984
4406300 Roof siphon drain Sep. 27, 1983
4342328 Two stage float valve Aug. 3, 1982
4318421 Float controlled syphon valve for swimming pool cover Mar. 9, 1982
4168717 Temperature actuated siphon system Sep. 25, 1979
4099527 Parenteral fluid administration sets Jul. 11, 1978
4010750 Parenteral fluid administration sets Mar. 8, 1977
4000738 Parenteral fluid administration set (plastic-bag type) Jan. 4, 1977
3949745 Parenteral fluid administration set Apr. 13, 1976











 
 
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