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Class Information
Number: 141/299
Name: Fluent material handling, with receiver or receiver coacting means > Multiple passage filling means for diverse materials or flows > Funnel type > Concentric external vent
Description: Filling devices having a flow conduit which encircles the contents material outlet conduit of the funnel and which is open to the ambient atmosphere at least while the material outlet is open.










Patents under this class:

Patent Number Title Of Patent Date Issued
7017628 Ecologically friendly funnel Mar. 28, 2006
6874550 Gravity fill line vent fitting and fill system Apr. 5, 2005
6315011 Air-relief filter nozzle assemblies Nov. 13, 2001
6119739 Easy-flow funnel Sep. 19, 2000
5479970 Funnel Jan. 2, 1996
5277234 Self venting funnel Jan. 11, 1994
5133481 Bottle with collapsible spout Jul. 28, 1992
4779993 Oil and gasoline mixing device Oct. 25, 1988
4182591 Apparatus for transferring flowable materials from a first vessel into a second vessel Jan. 8, 1980











 
 
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