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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:
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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

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