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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6675993 |
Pressurized can with inner shell |
Jan. 13, 2004 |
| 6651852 |
Beverage dispensing system |
Nov. 25, 2003 |
| 6648177 |
Mobile oil dispenser |
Nov. 18, 2003 |
| 6641004 |
Dispensing assembly for automatically adjusting the carbon dioxide level in beer in a draught beer keg |
Nov. 4, 2003 |
| 6641375 |
Pneumatically operated oil pump |
Nov. 4, 2003 |
| 6616013 |
Bottled liquid dispensers |
Sep. 9, 2003 |
| 6616017 |
Pressure control device for maintaining a constant predetermined pressure in a container |
Sep. 9, 2003 |
| 6607100 |
Wine or champagne preservation and dispensing apparatus |
Aug. 19, 2003 |
| 6598765 |
Disposable syringe dispenser system |
Jul. 29, 2003 |
| 6561381 |
Closed loop control over delivery of liquid material to semiconductor processing tool |
May. 13, 2003 |
| 6554207 |
Application apparatus for multiple solution cleaner |
Apr. 29, 2003 |
| 6530401 |
Method for the preservation of an opened drink bottle |
Mar. 11, 2003 |
| 6499632 |
Pressure control device for maintaining a constant predetermined pressure in a container |
Dec. 31, 2002 |
| 6460730 |
Method and device for dispensing a fluid from a pressure tank |
Oct. 8, 2002 |
| 6458102 |
External gas powered programmable infusion device |
Oct. 1, 2002 |
| 6454131 |
Beverage dispensing apparatus |
Sep. 24, 2002 |
| 6409093 |
Automated electronically controlled microsprayer |
Jun. 25, 2002 |
| 6390340 |
Liquid soap dispenser |
May. 21, 2002 |
| 6386403 |
Gas-driven liquid dispenser employing separate pressurized-gas source |
May. 14, 2002 |
| 6367667 |
Coupling for a container valve |
Apr. 9, 2002 |
| 6367660 |
Safety device for a double valve arrangement for beer keg |
Apr. 9, 2002 |
| 6360923 |
Device for dispensing a liquid under pressure |
Mar. 26, 2002 |
| 6343721 |
Sealed dispensing device |
Feb. 5, 2002 |
| 6325250 |
Continuously operational high volume frozen confection dispensing machine |
Dec. 4, 2001 |
| 6302306 |
Method and apparatus for dispensing viscous material |
Oct. 16, 2001 |
| 6293429 |
Variable-rate, digitally-controlled fluid metering device |
Sep. 25, 2001 |
| 6287035 |
Fluid dispensation |
Sep. 11, 2001 |
| 6276565 |
Gas-driven liquid dispenser employing separate pressurized-gas source |
Aug. 21, 2001 |
| 6264064 |
Chemical delivery system with ultrasonic fluid sensors |
Jul. 24, 2001 |
| 6216921 |
Funnel cake batter and other batter dispenser |
Apr. 17, 2001 |
| 6199661 |
Top-of-rail lubrication rate control by the hydraulic pulse width modulation method |
Mar. 13, 2001 |
| 6182863 |
Beverage dispensing apparatus |
Feb. 6, 2001 |
| 6182904 |
Automated electronically controlled microsprayer |
Feb. 6, 2001 |
| 6170703 |
Chemical Dispensing system and method |
Jan. 9, 2001 |
| 6168048 |
Methods and systems for distributing liquid chemicals |
Jan. 2, 2001 |
| 6142169 |
Sterile tank venting system for a filling machine |
Nov. 7, 2000 |
| 6131776 |
Packaging and pressurized dispensing assembly with extemporaneous pressurization |
Oct. 17, 2000 |
| 6105825 |
Ice-cooled server |
Aug. 22, 2000 |
| 6102251 |
Method and apparatus for extracting excess material from containers |
Aug. 15, 2000 |
| 6098849 |
Self-contained portable fluid dispensing assembly |
Aug. 8, 2000 |
| 6085997 |
Refillable atomizing spray can |
Jul. 11, 2000 |
| 6082289 |
Liquid dispensing system with controllably movable cartridge |
Jul. 4, 2000 |
| 6082589 |
Slush beverage dispensing system |
Jul. 4, 2000 |
| 6076637 |
Top-of-rail lubrication rate control by the hydraulic pulse width modulation method |
Jun. 20, 2000 |
| 6073811 |
Carbonated beverage dispenser |
Jun. 13, 2000 |
| 6068164 |
Hand grease gun with lever-operated piston pump and tubular grease supply reservoir |
May. 30, 2000 |
| 6039223 |
Bulk load dispenser and method |
Mar. 21, 2000 |
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