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Class Information
Number: 137/128
Name: Fluid handling > Siphons > Plural > Main siphon with auxiliary starting, stopping or resetting siphon
Description: Apparatus having a main siphon through which the major portion of the fluid is discharged and an auxiliary siphon which operates to start or stop fluid flow through the main siphon, or, after discharge of the main siphon, restores some or all of the main siphon operating means to a position permitting a subsequent discharge.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8544492 |
Vacuum activated power tower |
Oct. 1, 2013 |
| 8066027 |
Vacuum activated closed loop system |
Nov. 29, 2011 |
| 7864062 |
Apparatus and method for detecting a change in a specific gravity of a fluid |
Jan. 4, 2011 |
| 6178984 |
Self-priming siphon, in particular for irrigation |
Jan. 30, 2001 |
| 5970999 |
Hydraulic vacuum pump |
Oct. 26, 1999 |
| 5533935 |
Toy motion simulator |
Jul. 9, 1996 |
| 5274855 |
Siphon flushing mechanism and method |
Jan. 4, 1994 |
| 4406300 |
Roof siphon drain |
Sep. 27, 1983 |
| 4171709 |
Device for siphoning water from a ponding area on a flat roof |
Oct. 23, 1979 |
| 4124035 |
Self priming siphon |
Nov. 7, 1978 |
| 4035299 |
Method of initiating a fluid flow within a siphon tube between an aquarium and its associated filter tank |
Jul. 12, 1977 |
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