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Class Information
Number: 137/43
Name: Fluid handling > Control by change of position or inertia of system > Vent opening or closing on tipping container
Description: Apparatus including means to close or open a vent opening on a container when the position of the container is varied, e.g., when the container is tipped.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
6779544 Tank refueling shutoff valve and vent system Aug. 24, 2004
6758235 Vapor control valve with a metallic sealing element Jul. 6, 2004
6755206 Fuel cutoff valve Jun. 29, 2004
6739350 Fuel tank May. 25, 2004
6733048 Fuel tank connector May. 11, 2004
6719000 Two stage fuel tank vent valve Apr. 13, 2004
6708713 Fill limit control valve assembly having a liquid fuel trap Mar. 23, 2004
6701950 Fuel tank vent system Mar. 9, 2004
6701952 Valve and method for fitting it to a tank Mar. 9, 2004
6691725 Fuel vapor vent valve with peel-off mechanism for ensuring reopening Feb. 17, 2004
6688330 Silenced valve Feb. 10, 2004
6679282 Valve attached to fuel tank Jan. 20, 2004
6672571 Fuel removal system for a carburetor Jan. 6, 2004
6644515 Filter-valve assembly Nov. 11, 2003
6634341 Vent and rollover valve and fuel pump module Oct. 21, 2003
6612324 Fill limit vapor valve with variable vapor venting capability Sep. 2, 2003
6609537 Device for ventilating and venting a fuel tank Aug. 26, 2003
6604539 Fuel tank for a motor vehicle Aug. 12, 2003
6592100 Valve mounting structure of fuel tank Jul. 15, 2003
6591855 Fuel cutoff valve Jul. 15, 2003
6581621 Valve and fuel tank provided with a valve for a motor vehicle Jun. 24, 2003
6578597 Fuel tank vent system with liquid fuel filter Jun. 17, 2003
6564821 Over filling interdiction, vent and roll over valve May. 20, 2003
6564822 Fuel cutoff apparatus May. 20, 2003
6557578 Fuel vapor treating apparatus May. 6, 2003
6532983 System for venting a liquid tank Mar. 18, 2003
6530364 Ventilating device for motor vehicle fuel tank Mar. 11, 2003
6508263 Float operated fuel tank vapor vent valve Jan. 21, 2003
6494227 Valve Dec. 17, 2002
6450192 Device for ventilating a motor vehicle fuel tank Sep. 17, 2002
6443177 Device for venting a fuel tank Sep. 3, 2002
6439206 Fuel evaporative emission controller Aug. 27, 2002
6439258 Quick-close tank vent control system Aug. 27, 2002
6431195 Buoyant vent valve Aug. 13, 2002
6431200 Weldable mount for fuel system component Aug. 13, 2002
6425379 Evaporative emission control system Jul. 30, 2002
6422261 Weldable mount for fuel system component Jul. 23, 2002
6412511 Valve for a motor vehicle fuel tank Jul. 2, 2002
6408867 Fuel cutoff valve and fuel tank Jun. 25, 2002
6405747 Fuel tank vent valve with liquid carryover filter Jun. 18, 2002
6405766 Noise dampened float type fuel vapor vent valve Jun. 18, 2002
6394123 Liquid circuit reservoir May. 28, 2002
6386222 Electronic fill limit control May. 14, 2002
6382231 Fuel cutoff valve and production method thereof May. 7, 2002
6371152 Method of controlling vapor venting in a fuel tank and valve therefor Apr. 16, 2002
6347640 Multifunctional valve for a vehicle tank Feb. 19, 2002
6343590 Canister module Feb. 5, 2002
6336466 System for the venting of a liquid tank Jan. 8, 2002
6318398 Fuel expansion tank Nov. 20, 2001
6311675 Vent valve and fuel pump module Nov. 6, 2001

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