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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 |
| 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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