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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
8616232 Fuel cut-off valve Dec. 31, 2013
8608021 Road tanker fluid storage tank fill cover assembly Dec. 17, 2013
8590558 Valve system for a fluid channel Nov. 26, 2013
8573183 System and method for fuel tank tube routing and valve placement to prevent fuel leaks into evaporative emissions system Nov. 5, 2013
8550107 Ventilation device for the fuel tank of a vehicle Oct. 8, 2013
8522535 Breather device, liquid tank, and exhaust gas purifying apparatus to be adapted for engine Sep. 3, 2013
8490642 Fuel-outflow check valve Jul. 23, 2013
8485389 Assembly with vapor vent valve and liquid trap for static leak prevention in vapor control system Jul. 16, 2013
8479763 Electronic venting and mechanical roll over valve Jul. 9, 2013
8424819 Fuel tank unit Apr. 23, 2013
8402994 Valve assembly Mar. 26, 2013
8371326 Fuel vapor vent valve with dynamic pressure relief Feb. 12, 2013
8365756 Fuel tank valve device Feb. 5, 2013
8365757 Valve device for fuel tank Feb. 5, 2013
8360089 Fuel cut-off valve Jan. 29, 2013
8307840 Valve device Nov. 13, 2012
8297298 Vent control valve for a fuel tank Oct. 30, 2012
8286658 Roll-over valve with shared overfill protection and vacuum relief Oct. 16, 2012
8267113 Safety valve for the venting circuit of a liquid tank Sep. 18, 2012
8261763 Tank valve unit Sep. 11, 2012
8231110 Retrofit roll-over valve for carburetor float bowl vent tube Jul. 31, 2012
8230873 Fuel tank valve assembly with adjustable bypass vent flow Jul. 31, 2012
8220481 Fuel shutoff valve Jul. 17, 2012
8171952 Multi-function control valve for fuel vapor system May. 8, 2012
8166995 Valve for the venting circuit of a liquid tank May. 1, 2012
8141576 Float valve device Mar. 27, 2012
8118051 Valve for the venting circuit of a liquid tank Feb. 21, 2012
8109285 Roll over vent valve Feb. 7, 2012
8091578 Axially adjustable fill limiter vent valve Jan. 10, 2012
8042564 Fuel cutoff valve Oct. 25, 2011
8025076 Valve assembly Sep. 27, 2011
7997293 Valve apparatus, combination filter valve assemblies and devices, systems, and methods including the same Aug. 16, 2011
7958905 Breather device, liquid tank, and exhaust gas purifying apparatus to be adapted for engine Jun. 14, 2011
7950920 Combustion device May. 31, 2011
7934514 Fuel cutoff valve May. 3, 2011
7900648 Valve for the venting circuit of a liquid tank Mar. 8, 2011
7896022 On-board refueling vapor recovery system with vent line check valve Mar. 1, 2011
7886759 Fuel cutoff valve Feb. 15, 2011
7882823 Double shut-off refueling valve Feb. 8, 2011
7845366 Weldable mount for fuel system component Dec. 7, 2010
7823611 Filler cap of fuel tank Nov. 2, 2010
7823610 Refueling shut-off system with fill-limit vent valve Nov. 2, 2010
7819129 Relief vent including float and seal Oct. 26, 2010
7806135 Variable flow valve Oct. 5, 2010
7793682 Valve assembly Sep. 14, 2010
7784484 Fuel leakage preventing valve Aug. 31, 2010
7770593 Bleed valve Aug. 10, 2010
7770594 Liquid shutoff valve gear Aug. 10, 2010
7717126 Float valve structure May. 18, 2010
7686030 Cut valve Mar. 30, 2010

1 2 3 4 5 6 7 8










 
 
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