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Class Information
Number: 137/151
Name: Fluid handling > Siphons > With flow starting, stopping or maintaining means > With valve or closure in-flow passage
Description: Apparatus having a flow controlling stopping means which comprises a valve or closure.

Patents under this class:

Patent Number Title Of Patent Date Issued
8534319 Serial siphon valves for fluidic or microfluidic devices Sep. 17, 2013
7610697 Automatic draining apparatus of condensation Nov. 3, 2009
7503343 Siphonable check valve and method of making same Mar. 17, 2009
7458391 Assembling a siphonable filler tube with a check valve on a fuel tank Dec. 2, 2008
6959727 Siphonable check valve and method of making same Nov. 1, 2005
6648016 Valve assembly for a fuel tank Nov. 18, 2003
6419468 Reciprocating siphon suction pump Jul. 16, 2002
6412528 Siphoning pump apparatus Jul. 2, 2002
6283137 Siphon assembly with one way priming valve Sep. 4, 2001
6056029 Fuel-Transfer system May. 2, 2000
6012481 Constant-level fluid supplier Jan. 11, 2000
5881753 Passive fluid level controller Mar. 16, 1999
5718847 Automatic siphon drain apparatus and method Feb. 17, 1998
5558762 Portable water filter and valve assembly Sep. 24, 1996
5343888 Automatic syphon system Sep. 6, 1994
5293894 Automatic prime and flush siphon condensate pump system Mar. 15, 1994
5151174 Installation for the disinfection of clarified sewage with UV apparatus built into siphons Sep. 29, 1992
5044391 Siphon assembly with priming valve Sep. 3, 1991
4989760 Self-fill siphon pipes Feb. 5, 1991
4649953 Siphon assembly for flushing cisterns Mar. 17, 1987
4621679 Water system valve for draining heat exchangers Nov. 11, 1986
4574828 Hand held and hand operated pumping and siphoning device Mar. 11, 1986
4479274 Swimming pool siphon Oct. 30, 1984
4414997 Siphon Nov. 15, 1983
4406300 Roof siphon drain Sep. 27, 1983
4381645 Power unit for dam May. 3, 1983
4301826 Combination siphon and positive action pump Nov. 24, 1981
4168717 Temperature actuated siphon system Sep. 25, 1979
4143674 Valve for continuously and automatically supplying furnaces with molten metal Mar. 13, 1979
4095615 Check valve and siphon tube assembly employing same Jun. 20, 1978
4041971 Siphon starting device Aug. 16, 1977
4034780 Check valve Jul. 12, 1977

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