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Class Information
Number: 137/150
Name: Fluid handling > Siphons > With flow starting, stopping or maintaining means > Pump or liquid displacement device for flow passage > Collapsible bulb
Description: Apparatus in which the pump comprises a collapsible bulb.










Patents under this class:

Patent Number Title Of Patent Date Issued
8273009 Pipette aspiration device Sep. 25, 2012
6948920 Toilet bowl and tank drainage device Sep. 27, 2005
6945267 Self-restarting pool cover siphon Sep. 20, 2005
6450191 Siphoning device Sep. 17, 2002
6258036 Blood pressure inflation bulb with permanently secured intake valve Jul. 10, 2001
6041805 Valve assembly for a removable ink cartridge Mar. 28, 2000
5785085 Closed feeding system for liquid fuel Jul. 28, 1998
5774154 Apparatus for priming an ink delivery system in an ink-jet printer Jun. 30, 1998
5333639 Illuminated siphon Aug. 2, 1994
4862909 Drainage pan for liquid waste containers Sep. 5, 1989
4834138 Pool cover syphon for above ground pools May. 30, 1989
4552515 Handy tube pump Nov. 12, 1985
4073305 Siphon pump Feb. 14, 1978
4035299 Method of initiating a fluid flow within a siphon tube between an aquarium and its associated filter tank Jul. 12, 1977
4023305 Device to remove excess water from plant containers May. 17, 1977











 
 
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