Multiple passage filling means for diverse materials or flows > Funnel type > Concentric vent forms valve stem > Patents

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Class Information
Number: 141/298
Name: Fluent material handling, with receiver or receiver coacting means > Multiple passage filling means for diverse materials or flows > Funnel type > Concentric vent forms valve stem
Description: Filling devices having a flow controller and stem therefor and in which the means defining the said stem is concentric with the outlet conduit and forms a passage open to the ambient atmosphere at least while the supply outlet is open.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
5273083	Bottle cap and valve assembly for a bottled water station	Dec. 28, 1993
5004024	Sealable funnel for measurement and spill prevention	Apr. 2, 1991
4034897	High density liquid dispenser	Jul. 12, 1977
3938563	Funnel with automatic air bleeding and valved outlet	Feb. 17, 1976