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Browse by Category: Main > Packaging & Containers
Class Information
Number: 222/399
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Fluid pressure > With gas pressure supplying reservoir
Description: Dispensers having a reservoir separate from but communicating with the container whose contents are to be dispensed, which reservoir contains gas under pressure which is fed to the material container to cause dispensing.


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

Patent Number Title Of Patent Date Issued
7389895 Drink supply canister having a drink supply outlet valve with a rotatable member Jun. 24, 2008
7387140 Method and system for the quick refill of an irritant dispenser Jun. 17, 2008
7367480 Drink supply canister having a self-closing pressurization valve operable to receive a pressurization pin May. 6, 2008
7334708 Integral blocks, chemical delivery systems and methods for delivering an ultrapure chemical Feb. 26, 2008
7318484 Self servicing fire extinguisher with external operated internal mixing with wide mouth and external pressurized canister Jan. 15, 2008
7297181 Purification and transfilling of ammonia Nov. 20, 2007
7287670 Device unit, and system for fluid extraction Oct. 30, 2007
7246725 Pressure container and method for manufacturing and/or filling of pressure container Jul. 24, 2007
7237695 Mechanical grouting and re-pointing device Jul. 3, 2007
7229594 Device for dispensing accurately-controlled small doses of liquid Jun. 12, 2007
7216782 Dispenser for discharging liquid material May. 15, 2007
7168592 Refrigerator having a gas line which pressurizes a drink supply container for producing beverages Jan. 30, 2007
7168596 Cask for drawing off liquids under the effect of pressure Jan. 30, 2007
7147172 Personal decontamination apparatus and method Dec. 12, 2006
7140514 Drinks dispensing device with a removable handle Nov. 28, 2006
7131560 Portable beer keg tap and dispenser Nov. 7, 2006
7124913 High purity chemical container with diptube and level sensor terminating in lowest most point of concave floor Oct. 24, 2006
7100799 Remote pressure system for portable whipped cream dispensers Sep. 5, 2006
7083071 Drink supply canister for beverage dispensing apparatus Aug. 1, 2006
7077297 Method for preparation of biocides mixed with carbon dioxide in a pressurized container Jul. 18, 2006
7044404 Pneumatic liquid-delivery device May. 16, 2006
7032781 Drink dispenser assembly and container for drink and drink dispensing line Apr. 25, 2006
7021559 Pressure regulating device for a pressurized dispensing vessel Apr. 4, 2006
7004355 Beverage dispensing apparatus having drink supply canister holder Feb. 28, 2006
6971555 Apparatus for dispensing decontamination fluids Dec. 6, 2005
6959843 Powdery mold coating agent supply device Nov. 1, 2005
6948887 Transport container having compartments that can be individually pressurized Sep. 27, 2005
6942127 Valve assembly for use in dispensing beverage Sep. 13, 2005
6915925 Refrigerator having a gas supply apparatus for pressurizing drink supply canisters Jul. 12, 2005
6913167 Wine or champagne preservation and dispensing apparatus Jul. 5, 2005
6874662 Liquid crystal dispensing apparatus Apr. 5, 2005
6871758 Precision adaptive powder dispenser Mar. 29, 2005
6857541 Drink supply canister for beverage dispensing apparatus Feb. 22, 2005
6843391 Gas reclamation system Jan. 18, 2005
6834777 Closed loop control over delivery of liquid material to semiconductor processing tool Dec. 28, 2004
6832699 Direct pressure apparatus and method for dispensing coatings Dec. 21, 2004
6817485 Container for photoresist liquid Nov. 16, 2004
6814110 Method of and apparatus for improved pressurized fluid dispensing for the guaranteed filling of cavities and/or the generating of guaranteed uniform gasket beads and the like Nov. 9, 2004
6796458 Air supply apparatus for semiconductor device fabricating equipment Sep. 28, 2004
6793098 System and apparatus for foam dispensing with adjustable orifice flow regulating device and method of using same Sep. 21, 2004
6779685 Pressure controlled method for dispensing a carbonated beverage Aug. 24, 2004
6769572 Custom color spray paint cans Aug. 3, 2004
6754958 Applying fluid preparations to the skin, e.g. in connection with shaving Jun. 29, 2004
6745922 Container for storing and dispensing beverage, in particular beer Jun. 8, 2004
6739124 Exhaust gas purification system May. 25, 2004
6736900 Highly-viscous-fluid applying apparatus capable of controlling delivery amount of fluid May. 18, 2004
6736154 Pressure vessel systems and methods for dispensing liquid chemical compositions May. 18, 2004
6719175 Draft system for beverages Apr. 13, 2004
6712238 Drywall taping and texture system using bladder pump with pneumatic flip/flop logic remote control Mar. 30, 2004
6695177 Apparatus for dispensing a beverage Feb. 24, 2004

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