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Class Information
Number: 137/460
Name: Fluid handling > Line condition change responsive valves > Safety cut-off requiring reset > Responsive to change in rate of flow > Excessive flow cut-off
Description: Apparatus in which the valve closes in response to an increased velocity beyond a predetermined value.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8701715 Flow check valve assembly and method Apr. 22, 2014
8671971 Systems and methods for providing a monitoring and deactivation apparatus for a beverage distribution system Mar. 18, 2014
8640729 Method and apparatus for automatic fluid shut-off Feb. 4, 2014
8616230 Dual-acting multi-actuation mode gate valve Dec. 31, 2013
8534314 Explosion protection valve Sep. 17, 2013
8353310 Valves having removable internal actuation mechanisms Jan. 15, 2013
8327872 Apparatus for connecting an external water feed line to an internal water line of a washing machine Dec. 11, 2012
8262057 Flow controlled actuator apparatus for use with self-closing stop valves Sep. 11, 2012
8251082 Dual valve method and apparatus for limiting toilet water flow Aug. 28, 2012
8225812 Slam shut safety device Jul. 24, 2012
8166996 Toilet bowl overflow prevention and water conservation system and method May. 1, 2012
8166998 Multiple valve assembly for reducing water loss from a leak May. 1, 2012
8113232 Flood prevention system and associated method Feb. 14, 2012
8100141 Water supply control assembly with automatic shut-off and duty cycle reset Jan. 24, 2012
8047224 Cartridge insert valve Nov. 1, 2011
8020582 Excess flow valve Sep. 20, 2011
7987870 Overpressure protection device and connection subassembly comprising same Aug. 2, 2011
7900647 Water leak detection and prevention systems and methods Mar. 8, 2011
7845369 Volumetric-controlled smart valve Dec. 7, 2010
7806132 Method and device for tapping a pipeline Oct. 5, 2010
7779852 Water conservation safety shut-off valve Aug. 24, 2010
7757708 Toilet bowl overflow prevention and water conservation system and method Jul. 20, 2010
7743786 Irrigation system and shut-off control device therefor Jun. 29, 2010
7658179 Fluid leak limiter Feb. 9, 2010
7591282 Damped, self-cleaning flow shutoff valve and associated methods Sep. 22, 2009
7552743 Self cleaning flow shutoff valve Jun. 30, 2009
7533689 Excess flow control valve May. 19, 2009
7451777 Water conservation safety shut-off valve Nov. 18, 2008
7398795 Excess flow valve Jul. 15, 2008
7380565 Spill prevention system with safety valves Jun. 3, 2008
7380567 Safety valve assembly having reset mechanism Jun. 3, 2008
7360555 Gas regulator with altimetric adjustment Apr. 22, 2008
7343927 Blocking element, especially an explosion protection valve Mar. 18, 2008
7326186 Injector system and fluid control device providing sharp bolus injection Feb. 5, 2008
7306008 Water leak detection and prevention systems and methods Dec. 11, 2007
7299814 Method and apparatus for selectively shutting off the flow of water to a building Nov. 27, 2007
7299819 Water flow sensor alone and in combination with a method and apparatus for selectively shutting off the flow of water to a building Nov. 27, 2007
7273062 Shut-off valve for preventing the flow of liquid through a conduit, and related processes Sep. 25, 2007
7258131 Safety valve Aug. 21, 2007
7152617 High pressure release safety valve assembly Dec. 26, 2006
7140386 Surge suppression and safety cut-off valve Nov. 28, 2006
7114512 Gas safety device Oct. 3, 2006
7111638 Excess flow shutoff Sep. 26, 2006
7089959 Timing regulator for outdoor gas apparatus Aug. 15, 2006
6988509 Riser line shutoff valve Jan. 24, 2006
6962318 Pulsed input shutoff valve Nov. 8, 2005
6929237 Valve actuation system and methods for pipeline valves Aug. 16, 2005
6907898 Fluid shutoff apparatus Jun. 21, 2005
6895994 Self-operated protection device for pipeline May. 24, 2005
6837271 Liquid flow control valve Jan. 4, 2005

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