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Class Information
Number: 137/149
Name: Fluid handling > Siphons > With flow starting, stopping or maintaining means > Pump or liquid displacement device for flow passage > Piston > Co-axial within flow passage
Description: Apparatus in which the piston is moved in the flow passage of the siphon.










Patents under this class:

Patent Number Title Of Patent Date Issued
6926026 Siphon initiating device Aug. 9, 2005
5558762 Portable water filter and valve assembly Sep. 24, 1996
4574828 Hand held and hand operated pumping and siphoning device Mar. 11, 1986
4301826 Combination siphon and positive action pump Nov. 24, 1981
4290443 Flexible tube liquid transfer device Sep. 22, 1981
3958589 Siphon May. 25, 1976











 
 
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