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Browse by Category: Main > Packaging & Containers
Class Information
Number: 222/491
Name: Dispensing > Outlet element operated by pressure of contents
Description: Dispensers in which there is a movable outlet element operated by the pressure of the container contents, where the pressure creating means are not claimed.










Sub-classes under this class:

Class Number Class Name Patents
222/492 Axially slidable tube, sleeve, or apertured cap 16
222/495 Reciprocable, nonpivoted 39
222/494 Spring form, resilient or compressible flow controller or closure 549


Patents under this class:
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Patent Number Title Of Patent Date Issued
8672195 Device with chamber and first and second valves in communication therewith, and related method Mar. 18, 2014
8662360 Liquid distributor and container provided with the liquid distributor Mar. 4, 2014
8561851 Sports bottle with preloaded valve and methods Oct. 22, 2013
8556123 Container and one-way valve assembly for storing and dispensing substances, and related method Oct. 15, 2013
8418890 Portion control dispensers Apr. 16, 2013
8381948 Automatic liquid stop bag with bent portion Feb. 26, 2013
8376189 Dispensing machine valve and method Feb. 19, 2013
8366681 High flow volume nasal irrigation device and method for alternating pulsatile and continuous fluid flow Feb. 5, 2013
8286834 Skin treatment dispenser and method of manufacture Oct. 16, 2012
8261953 Beverage container and closure Sep. 11, 2012
8221734 Self-heating shaving compositions Jul. 17, 2012
8187574 Intermittent injection aerosol product for skin May. 29, 2012
8177099 Cartridge May. 15, 2012
8127969 Dual dispenser, supply unit, and method Mar. 6, 2012
8091737 Method and apparatus for a multiple flavor beverage mixing nozzle Jan. 10, 2012
8042714 Reverse-flow prevention plug for container, the container, and pouring device Oct. 25, 2011
7878374 Fluid product dispenser Feb. 1, 2011
7845517 Container and one-way valve assembly for storing and dispensing substances, and related method Dec. 7, 2010
7837661 Device for providing anti-reflux in a body fluid collection and/or sampling system, and method of manufacturing such a device Nov. 23, 2010
7784653 Discharge device and discharge method Aug. 31, 2010
7731065 Closure member Jun. 8, 2010
7594595 Device and method for dispensing a product Sep. 29, 2009
7568597 Anti-seepage delivery system of a packaged product, and packaging element comprising the same Aug. 4, 2009
7530469 Valve device having two membranes for a drinking container May. 12, 2009
7520408 Dripless hot glue gun Apr. 21, 2009
7513395 Vented valve Apr. 7, 2009
7481336 Manually-actuated metering pump Jan. 27, 2009
7383969 Device for mixing and dispensing multi-component compositions Jun. 10, 2008
7367475 Device for mixing and dispensing multi-component compositions May. 6, 2008
7316332 Wearable skin treatment device Jan. 8, 2008
7201295 Fitment assembly for a liquid dispenser Apr. 10, 2007
7111763 Fluid-storing container Sep. 26, 2006
7104426 Dispensing container Sep. 12, 2006
7080759 Dispensing head and fluid product dispenser comprising same Jul. 25, 2006
7048154 Breathable rupturable closure for a flexible container May. 23, 2006
7025231 Container for consumer products with concealed stretch release adhesive structure Apr. 11, 2006
6918515 Liquid container Jul. 19, 2005
6827241 Sealing device for container Dec. 7, 2004
6802437 Container Oct. 12, 2004
6769577 Self-closing valve Aug. 3, 2004
6722585 Fluid spray head including a closure member Apr. 20, 2004
6698628 Extension for bottle dispenser, in particular for food products Mar. 2, 2004
6613144 Pump-free dosing device for flowable media Sep. 2, 2003
6552097 Prepolymer compositions for insulating foams Apr. 22, 2003
6450375 Slotted closing valve for openings of containers Sep. 17, 2002
H2027 Flexible slit valve Jun. 4, 2002
6378742 Fluid dispensing closure Apr. 30, 2002
6206251 Pour flow control device Mar. 27, 2001
6176234 Mouthpiece for a nebulizer Jan. 23, 2001
6076710 Concrete placement apparatus Jun. 20, 2000

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