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Class Information
Number: 137/589
Name: Fluid handling > Systems > System with plural openings, one a gas vent or access opening > With vented outlet
Description: Systems having a valved discharge conduit and means connecting such conduit with the atmosphere downstream of the valve, whereby the conduit may be drained of liquid after the valve has been closed.

Patents under this class:

1 2

Patent Number	Title Of Patent	Date Issued
8667985	Pressure relief valve and vent assembly	Mar. 11, 2014
8608021	Road tanker fluid storage tank fill cover assembly	Dec. 17, 2013
8584702	Apparatus, system, and method for a self-venting drain valve	Nov. 19, 2013
8499788	Dry air fuel vent breather	Aug. 6, 2013
8376000	Hydrocarbon vapor emission control	Feb. 19, 2013
8235027	Vent-on-demand fuel sump and fuel system having such a fuel sump	Aug. 7, 2012
8113238	Pumping system with manifold vent	Feb. 14, 2012
8074932	NEA distribution system for OBIGGS applications	Dec. 13, 2011
7810474	Venting device for fuel tank	Oct. 12, 2010
7621483	Aircraft and fuel venting system therefor	Nov. 24, 2009
7543723	Air vented liquid valve	Jun. 9, 2009
7491258	Fuel tank ventilation device	Feb. 17, 2009
7422027	Marine fuel tank vent valve	Sep. 9, 2008
7225826	Marine fuel tank vent valve	Jun. 5, 2007
7100635	System and method for storage and mixing of solution that is not compatible for long-term storage in pre-mixed formulation	Sep. 5, 2006
6997205	Inlet protection apparatus and method	Feb. 14, 2006
6857454	Evaporated-fuel storage system	Feb. 22, 2005
6843285	Container and plug for container	Jan. 18, 2005
6805159	Fuel refilling assembly	Oct. 19, 2004
6612338	Fuel tank pressure control valve	Sep. 2, 2003
6508944	Vacuum flush assist system and process for handling machining cutting fluid	Jan. 21, 2003
6470910	Tap with incorporated air passageway	Oct. 29, 2002
6460562	Dual tank simultaneous fill system	Oct. 8, 2002
6401752	Tap with incorporated air passageway	Jun. 11, 2002
6397407	Vacuum toilet system with single pump	Jun. 4, 2002
6395068	Bulk tank depressurization filter apparatus and method of using it	May. 28, 2002
6279609	Flow control means	Aug. 28, 2001
6167911	Automatic vent device that prevents fuel spillage for marine vessels	Jan. 2, 2001
6036928	Pressure sterilizer	Mar. 14, 2000
6029719	Fuel tank	Feb. 29, 2000
5983963	On-board refueling vapor recovery system with fuel inlet stub venting	Nov. 16, 1999
5960826	Fluid storage tank with a spill containment system	Oct. 5, 1999
5950662	Supplemental water system	Sep. 14, 1999
5947154	Container for liquids	Sep. 7, 1999
5803136	Fuel tank ullage pressure reduction	Sep. 8, 1998
5676115	Work apparatus having an internal combustion engine	Oct. 14, 1997
5542706	Motor vehicle fuel system	Aug. 6, 1996
5462100	Fuel fill vapor recovery system with differential pressure control valve	Oct. 31, 1995
5437317	Ventilation line opening/closing means of fuel tank	Aug. 1, 1995
5402822	Anti-cavitation valve	Apr. 4, 1995
5358009	Liquid storage vessel venting system	Oct. 25, 1994
5343902	Internal gas removal system for fuel tank and method of making thereof	Sep. 6, 1994
5297595	Apparatus for introducing volatile fuel into a storage tank	Mar. 29, 1994
5290434	Effluent dosing septic system	Mar. 1, 1994
5246034	Fluid pressure relief system for pressure vessels	Sep. 21, 1993
5186220	Filling nipple for a fuel tank	Feb. 16, 1993
5183087	Refueling vapor recovery system	Feb. 2, 1993
5139390	Pump and method for drawing vapor from a storage tank without forcibly drawing the vapor from the tank	Aug. 18, 1992
5116257	Tank venting control assembly	May. 26, 1992
5103865	Integrally molded vapor vent valve	Apr. 14, 1992