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Class Information
Number: 137/143
Name: Fluid handling > Siphons > With flow starting, stopping or maintaining means > Siphon venting or breaking
Description: Apparatus in which the siphon is provided with means for stopping or regulating the flow through the siphon by admitting air into the siphon.

Patents under this class:

Patent Number Title Of Patent Date Issued
8544492 Vacuum activated power tower Oct. 1, 2013
8443828 Siphon weir valve for high flow municipal water treatment systems May. 21, 2013
8418718 Double walled tanks with internal containment chambers Apr. 16, 2013
8246818 Syphon filtration system Aug. 21, 2012
8132534 Overflow device for water tank Mar. 13, 2012
8127787 Siphon breaker Mar. 6, 2012
8104499 Precision siphon operated septic field dosing system with filtration and backwash Jan. 31, 2012
8066027 Vacuum activated closed loop system Nov. 29, 2011
7857967 Sludge treatment system for dam Dec. 28, 2010
7810452 Basin capable of containing aquatic animals, especially experimental animals, and relating housing system Oct. 12, 2010
7351330 Iron and hydrogen sulfide removal apparatus Apr. 1, 2008
7059341 Discharge ducts for pumping water from a supply reservoir to a delivery reservoir Jun. 13, 2006
6945267 Self-restarting pool cover siphon Sep. 20, 2005
6634376 Back flow preventing eductor Oct. 21, 2003
6256801 Siphon assemblies Jul. 10, 2001
6142705 Pond management system Nov. 7, 2000
6056886 Water level and flow control device and skimmer box provided with this device May. 2, 2000
5979485 Fuel tank level equalizer system Nov. 9, 1999
5964447 Water valve assembly having attachment mechanism which prevents a fluid conduit from becoming detached from a valve body Oct. 12, 1999
5881753 Passive fluid level controller Mar. 16, 1999
5475879 Swimming pool overflow protector Dec. 19, 1995
5403521 Blow system and a method of use therefor in controlling the quality of recycle cooling water in a cooling tower Apr. 4, 1995
5358000 Siphon pump having a metering chamber Oct. 25, 1994
5274855 Siphon flushing mechanism and method Jan. 4, 1994
5151174 Installation for the disinfection of clarified sewage with UV apparatus built into siphons Sep. 29, 1992
5016667 Device for a dish-washer May. 21, 1991
4911891 Sample monitoring instrument for on-line application Mar. 27, 1990
4910151 Sample monitoring instrument for on-line application Mar. 20, 1990
4861465 Anti-reverse siphoning water circulating system for aquariums Aug. 29, 1989
4834132 Fuel transfer apparatus May. 30, 1989
4810130 Siphon weir with a ventilating mechanism Mar. 7, 1989
4425932 Siphon ladling apparatus Jan. 17, 1984
4364228 Hydraulic turbine system with siphon action Dec. 21, 1982
4361522 Automatic flushing and draining apparatus for evaporative coolers Nov. 30, 1982
4333887 Automatic flushing and draining apparatus for evaporative coolers Jun. 8, 1982
4289713 Automatic flushing and draining reservoir apparatus for evaporative coolers Sep. 15, 1981
4255361 Automatic flushing and draining reservoir apparatus for evaporative coolers Mar. 10, 1981
4181142 Siphon apparatus Jan. 1, 1980
4143674 Valve for continuously and automatically supplying furnaces with molten metal Mar. 13, 1979
3997049 Enclosure for hard and soft contact lenses Dec. 14, 1976

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