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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
5363130 Method of valving and orientation sensitive valve including a liquid for controlling flow of gas into a container Nov. 8, 1994
5343902 Internal gas removal system for fuel tank and method of making thereof Sep. 6, 1994
5341160 Valve for ink-jet pen Aug. 23, 1994
5325882 Pressure and thermal relief valve for fuel tank Jul. 5, 1994
5313977 Fluid-responsive vent control valve with peel-away opening action May. 24, 1994
5313978 Ventilation line opening/closing means of fuel tank May. 24, 1994
5277168 Fuel outflow preventing apparatus of fuel tank for vehicle Jan. 11, 1994
5277217 Fuel interrupt/pressure release valve arrangement for fuel tank Jan. 11, 1994
5261439 Vacuum-actuated vent assembly Nov. 16, 1993
5247958 Safety valve, especially for a fuel tank vent pipe Sep. 28, 1993
5246027 Cargo tank relief valve with sudden surge protection Sep. 21, 1993
5242072 Vented fuel tank cap Sep. 7, 1993
5234022 Flow control valve Aug. 10, 1993
5234013 Tank venting control assembly Aug. 10, 1993
5215110 Fuel tank vent system and diaphragm valve for such system Jun. 1, 1993
5186220 Filling nipple for a fuel tank Feb. 16, 1993
5183087 Refueling vapor recovery system Feb. 2, 1993
5181497 Evapo-control valve Jan. 26, 1993
5178684 Method for cleaning water pipe Jan. 12, 1993
5172714 Fuel check valve assembly for fuel tank Dec. 22, 1992
5156178 Vacuum-actuated vent assembly Oct. 20, 1992
5139043 Weldable vapor vent valve Aug. 18, 1992
5115830 Valve device, particularly a ventilation valve for the vent pipe of a vehicle fuel tank May. 26, 1992
5116257 Tank venting control assembly May. 26, 1992
5103865 Integrally molded vapor vent valve Apr. 14, 1992
5065782 Tank venting control assembly Nov. 19, 1991
5054508 Fuel tank vent system and diaphragm valve for such system Oct. 8, 1991
5048553 Relief valve with overturn surge control for storage tank Sep. 17, 1991
5044389 High volume fuel vapor release valve Sep. 3, 1991
5042519 Fuel tank vent Aug. 27, 1991
5027844 Pressure and thermal relief valve for fuel tank Jul. 2, 1991
5004002 Fuel check valve assembly for fuel tank Apr. 2, 1991
4991615 Tank pressure control apparatus Feb. 12, 1991
4978038 Aerosol dispenser and valve Dec. 18, 1990
4913303 Liquid splash control fuel cap Apr. 3, 1990
4905726 Fuel interception valve Mar. 6, 1990
4899773 Valve apparatus and method Feb. 13, 1990
4886089 Gas venting valve for liquid tank Dec. 12, 1989
4878511 Valve assembly for a vehicular fuel tank Nov. 7, 1989
4869283 Device for trapping fuel vapors during the refuelling of a fuel tank Sep. 26, 1989
4852761 In tank vapor storage canister Aug. 1, 1989
4846208 Closing arrangement for a vent line of a fuel tank Jul. 11, 1989
4807656 Fuel-effusion prevention valve system and a device therefor Feb. 28, 1989
4806032 Conical vent containing capillary bore Feb. 21, 1989
4787529 Vapor-liquid control fuel cap Nov. 29, 1988
4779637 Device for the aeration of a fuel tank Oct. 25, 1988
4764046 Fluid storing member and its fluid outlet opening/closing mechanism Aug. 16, 1988
4760858 Fuel vapor control valve Aug. 2, 1988
4756328 Fuel tank protection valve Jul. 12, 1988
4753262 Fuel system vent valve having roll-over closure with improved re-opening action for venting Jun. 28, 1988

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