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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 |
| 5476154 |
Powered oil change apparatus |
Dec. 19, 1995 |
| 5465874 |
Portable multi-compartment chemical storage and mixing tank |
Nov. 14, 1995 |
| 5460653 |
Spray type flux applying device |
Oct. 24, 1995 |
| 5458165 |
Gas actuator assembly |
Oct. 17, 1995 |
| 5443186 |
Fluid dispenser which has a button actuated regulator valve and a pressure relief port in the button |
Aug. 22, 1995 |
| 5427281 |
Remote, metered actuator for dispensing aerosol materials |
Jun. 27, 1995 |
| 5417346 |
Process and apparatus for electronic control of the transfer and delivery of high purity chemicals |
May. 23, 1995 |
| 5411179 |
Self-contained beverage dispensing system |
May. 2, 1995 |
| 5411183 |
Liquid spray or foam dispensing apparatus |
May. 2, 1995 |
| 5411172 |
Unitary assembly of beverage keg and gas reservoir |
May. 2, 1995 |
| 5409084 |
Automatic lubricant dispenser |
Apr. 25, 1995 |
| 5405051 |
Two-part aerosol dispenser employing puncturable membranes |
Apr. 11, 1995 |
| 5398851 |
Liquid delivery device |
Mar. 21, 1995 |
| 5398850 |
Gas delivery apparatus for infusion |
Mar. 21, 1995 |
| 5395012 |
Carbonated soft drink attachment |
Mar. 7, 1995 |
| 5386883 |
Automatic lubricant dispenser |
Feb. 7, 1995 |
| 5385275 |
Portable beverage dispenser with anti-foaming tank |
Jan. 31, 1995 |
| 5368207 |
Pressure generator and dispensing apparatus utilizing same |
Nov. 29, 1994 |
| 5366309 |
Apparatus for applying adhesive |
Nov. 22, 1994 |
| 5356034 |
Apparatus for the proportioned feeding of an analysis fluid |
Oct. 18, 1994 |
| 5350587 |
Method of dispensing carbonated beverage using a gas generator |
Sep. 27, 1994 |
| 5335705 |
Apparatus for dispensing a sparkling or bubbling beverage |
Aug. 9, 1994 |
| 5330072 |
Process and apparatus for electronic control of the transfer and delivery of high purity chemicals |
Jul. 19, 1994 |
| 5316196 |
Fluid dispenser, in particular for gluing parts |
May. 31, 1994 |
| 5316181 |
Liquid dispensing system |
May. 31, 1994 |
| 5303845 |
Beer self-service system |
Apr. 19, 1994 |
| 5294021 |
Underwater air discharge lobster tickler and method |
Mar. 15, 1994 |
| 5285931 |
Pressure capsule for spray can and spray can which utilizes such pressure capsule |
Feb. 15, 1994 |
| 5282561 |
Portable beverage dispenser |
Feb. 1, 1994 |
| 5273188 |
Machine and method for the metered pouring of precise small quantities of flowable aerated foamed food products |
Dec. 28, 1993 |
| 5251789 |
In-home drink dispenser |
Oct. 12, 1993 |
| 5248062 |
Beer keg tap apparatus |
Sep. 28, 1993 |
| 5246140 |
Container device for distributing a drinkable liquid under pressure from a gas |
Sep. 21, 1993 |
| 5238155 |
Foam generating device |
Aug. 24, 1993 |
| 5234140 |
Re-useable aerosol container |
Aug. 10, 1993 |
| 5215217 |
Pressure supply unit |
Jun. 1, 1993 |
| 5209378 |
Liquid aerating apparatus |
May. 11, 1993 |
| 5205067 |
Device and method for treating mausoleums against phorid fly infestation |
Apr. 27, 1993 |
| 5190083 |
Multiple fluid space dispenser and monitor |
Mar. 2, 1993 |
| 5188257 |
Supply of controlled, medium-pressure carbon dioxide gas in simple, convenient disposable packaging |
Feb. 23, 1993 |
| 5186362 |
Liquid transfer assembly |
Feb. 16, 1993 |
| 5180081 |
Pouring spout and carbonation retention apparatus |
Jan. 19, 1993 |
| 5174343 |
Pesticide application system eliminates manual pumping operations and reduces handling of pesticide concentrates |
Dec. 29, 1992 |
| 5165575 |
Carbonation apparatus |
Nov. 24, 1992 |
| 5158208 |
Water cannon apparatus |
Oct. 27, 1992 |
| 5158215 |
Automatic lift valve |
Oct. 27, 1992 |
| 5156306 |
Fluid dispenser |
Oct. 20, 1992 |
| 5150822 |
Mixing head for dispensing an actine ingredient |
Sep. 29, 1992 |
| 5148945 |
Apparatus and method for the transfer and delivery of high purity chemicals |
Sep. 22, 1992 |
| 5145096 |
Slide-on tap for a beverage container |
Sep. 8, 1992 |
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