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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 |
| 6006842 |
Non-fragmenting, non-explosive actuating valve mechanism for fire suppression apparatus |
Dec. 28, 1999 |
| 6006745 |
Device for delivering an aerosol |
Dec. 28, 1999 |
| 5984143 |
Portable multi-compartment chemical storage and mixing tank |
Nov. 16, 1999 |
| 5979713 |
Tap assembly adapted for a fluid dispenser |
Nov. 9, 1999 |
| 5971207 |
Nozzle apparatus and method for dispensing powder coating material |
Oct. 26, 1999 |
| 5964403 |
Automated electronically controlled microsprayer |
Oct. 12, 1999 |
| 5950867 |
Heated condiment dispensing system |
Sep. 14, 1999 |
| 5899367 |
Automated dispenser |
May. 4, 1999 |
| 5887752 |
Method and apparatus for extracting excess material from containers |
Mar. 30, 1999 |
| 5873500 |
Fluid delivery cart |
Feb. 23, 1999 |
| 5871125 |
Chemically driven liquid delivery pumping device |
Feb. 16, 1999 |
| 5857590 |
Controlled multi-nozzle liquid dispensing system |
Jan. 12, 1999 |
| 5855296 |
Combined carbonator and water pressure booster apparatus |
Jan. 5, 1999 |
| 5814152 |
Apparatus for coating a substrate |
Sep. 29, 1998 |
| 5797520 |
Metering system and method for use with fluids having a high solid content |
Aug. 25, 1998 |
| 5779798 |
Device for distributing liquid by gravity |
Jul. 14, 1998 |
| 5772075 |
Portable slush beverage dispensing system |
Jun. 30, 1998 |
| 5769282 |
Pressure generation system for a container |
Jun. 23, 1998 |
| 5746830 |
Pneumatic granule blender for asphalt shingles |
May. 5, 1998 |
| 5738247 |
Automatic liquid material metering system |
Apr. 14, 1998 |
| 5730323 |
Automatic pressure regulated liquid dispensing device |
Mar. 24, 1998 |
| 5727713 |
Closed dispenser product supply unit |
Mar. 17, 1998 |
| 5722567 |
Premix beverage dispenser |
Mar. 3, 1998 |
| 5700245 |
Apparatus for the generation of gas pressure for controlled fluid delivery |
Dec. 23, 1997 |
| 5637214 |
Filter assembly for water treatment apparatus |
Jun. 10, 1997 |
| 5636763 |
Gas pressurized liquid delivery system |
Jun. 10, 1997 |
| 5620355 |
Confetti launching devices |
Apr. 15, 1997 |
| 5598901 |
Automatic lubricant dispenser |
Feb. 4, 1997 |
| 5578005 |
Apparatus and methods for multiple fluid infusion |
Nov. 26, 1996 |
| 5573148 |
Air powered caulking apparatus |
Nov. 12, 1996 |
| 5573145 |
Apparatus for controlling foaming and flowrate in beverage dispensing systems |
Nov. 12, 1996 |
| 5571261 |
Liquid delivery device |
Nov. 5, 1996 |
| 5570813 |
Viscous material delivery and management system and method |
Nov. 5, 1996 |
| 5568882 |
Precise volume fluid dispenser |
Oct. 29, 1996 |
| 5566730 |
Gas actuator assembly |
Oct. 22, 1996 |
| 5566858 |
Underwater tool element kit |
Oct. 22, 1996 |
| 5564602 |
Beer-dispensing system and apparatus |
Oct. 15, 1996 |
| 5562235 |
Pressure generator and dispensing apparatus utilizing same |
Oct. 8, 1996 |
| 5558255 |
Liquid delivery device |
Sep. 24, 1996 |
| 5553741 |
Liquid delivery device |
Sep. 10, 1996 |
| 5544682 |
Resolvation system for an active-ingredient-containing liquid solution |
Aug. 13, 1996 |
| 5538160 |
Postmix beverage dispenser with water boost |
Jul. 23, 1996 |
| 5535925 |
Caulk-dispensing device |
Jul. 16, 1996 |
| 5529220 |
Backpack beverage dispenser |
Jun. 25, 1996 |
| 5526957 |
Multi-component dispenser with self-pressurization system |
Jun. 18, 1996 |
| 5516004 |
Pressure regulator and amplifier |
May. 14, 1996 |
| 5507420 |
Reusable high efficiency propellant driven liquid product dispenser apparatus |
Apr. 16, 1996 |
| 5503304 |
Protective security system |
Apr. 2, 1996 |
| 5492249 |
Apparatus to vent high-pressure air to atmosphere in a frozen confection-dispensing apparatus |
Feb. 20, 1996 |
| 5476154 |
Powered oil change apparatus |
Dec. 19, 1995 |
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