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Class Information
Number: 137/153
Name: Fluid handling > Siphons > Elements
Description: Apparatus comprising the siphon passage forming means, per se.

Patents under this class:

Patent Number Title Of Patent Date Issued
6178984 Self-priming siphon, in particular for irrigation Jan. 30, 2001
5566706 Siphoning device to attain desired water level in pools and the like Oct. 22, 1996
5151174 Installation for the disinfection of clarified sewage with UV apparatus built into siphons Sep. 29, 1992
5063959 Method and apparatus for free-standing water removal from roof and siphon head therefore Nov. 12, 1991
4649953 Siphon assembly for flushing cisterns Mar. 17, 1987
4540014 Hydraulic memory device Sep. 10, 1985
4303092 Siphonic irrigation apparatus Dec. 1, 1981
4184511 Corrosion-resistant siphon assembly Jan. 22, 1980
4143674 Valve for continuously and automatically supplying furnaces with molten metal Mar. 13, 1979

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