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Class Information
Number: 222/389
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Container with follower > Fluid pressure actuated
Description: Dispensers in which the follower is operated by fluid under pressure.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6736291 |
Viscous material application apparatus |
May. 18, 2004 |
| 6726773 |
Integral pneumatic dispenser and method for controlling same |
Apr. 27, 2004 |
| 6722537 |
Cartridges for dispensing fluent material |
Apr. 20, 2004 |
| 6719170 |
Pen for dispensing a curable liquid |
Apr. 13, 2004 |
| 6715643 |
Device and method for dispensing chemical product |
Apr. 6, 2004 |
| 6691893 |
Replaceable reservoir for liquid dispenser |
Feb. 17, 2004 |
| 6662969 |
Hydraulically and volumetrically dispensing a target fluid |
Dec. 16, 2003 |
| 6651849 |
Dispensing apparatus including a pump package system |
Nov. 25, 2003 |
| 6616017 |
Pressure control device for maintaining a constant predetermined pressure in a container |
Sep. 9, 2003 |
| 6598765 |
Disposable syringe dispenser system |
Jul. 29, 2003 |
| 6598763 |
Beverage dispensing apparatus |
Jul. 29, 2003 |
| 6588628 |
Aerosol valve assembly |
Jul. 8, 2003 |
| 6581806 |
Dispenser packing for viscous or pasty material |
Jun. 24, 2003 |
| 6575331 |
Hydraulically and volumetrically dispensing and filling fluid |
Jun. 10, 2003 |
| 6540104 |
Integral pneumatic dispenser and method for controlling same |
Apr. 1, 2003 |
| 6513680 |
Paste dispensing container |
Feb. 4, 2003 |
| 6505761 |
Injector with a vacuum packing drum |
Jan. 14, 2003 |
| 6499632 |
Pressure control device for maintaining a constant predetermined pressure in a container |
Dec. 31, 2002 |
| 6494347 |
Grease gun having automatic continuous feeding device |
Dec. 17, 2002 |
| 6494345 |
Food decorating system |
Dec. 17, 2002 |
| 6484906 |
Apparatus and method for dosing a product |
Nov. 26, 2002 |
| 6484908 |
Pressurized piston pusher |
Nov. 26, 2002 |
| 6467652 |
Discharge of pumpable material from shipper bags |
Oct. 22, 2002 |
| 6464108 |
Container assembly for dispensing non-atomized composition mixed internally upon dispensing |
Oct. 15, 2002 |
| 6460734 |
Dispensing apparatus including a pump package system |
Oct. 8, 2002 |
| 6454131 |
Beverage dispensing apparatus |
Sep. 24, 2002 |
| 6435377 |
Frozen dessert dispenser |
Aug. 20, 2002 |
| 6435307 |
Precise replacement of liquids and components in a liquid mixture |
Aug. 20, 2002 |
| 6427729 |
Method and system of indirect-pressurization of natural gas |
Aug. 6, 2002 |
| 6427873 |
Method and apparatus for enhancing evacuation of bulk material shipper bags |
Aug. 6, 2002 |
| 6422430 |
Pressure pump for high viscosity fluid |
Jul. 23, 2002 |
| 6419167 |
Dispenser for flowable media, particularly for atomizing liquids |
Jul. 16, 2002 |
| 6412476 |
Fuel system |
Jul. 2, 2002 |
| 6386400 |
Propellant discharge for a pressurized dispensing container |
May. 14, 2002 |
| 6378740 |
Portable frozen beverage dispenser |
Apr. 30, 2002 |
| 6375048 |
Assembly for storing and dispensing beer and other carbonated beverages |
Apr. 23, 2002 |
| 6375047 |
Container for storing pasty or fluidic compositions and appointed dispensing of the same |
Apr. 23, 2002 |
| 6345739 |
Method for producing a double aerosol device and container therefor |
Feb. 12, 2002 |
| 6343713 |
Flexible barrier member useful in aerosol dispensers |
Feb. 5, 2002 |
| 6334553 |
Anti-float plunger for pneumatically actuated syringe |
Jan. 1, 2002 |
| 6334554 |
Snuffback valve for hot melt adhesive |
Jan. 1, 2002 |
| 6325254 |
Fluorine surface treating of a barrier piston |
Dec. 4, 2001 |
| 6325248 |
Container assembly |
Dec. 4, 2001 |
| 6321951 |
Dispensing apparatus |
Nov. 27, 2001 |
| 6315166 |
Device for storing and squeezing out free-flowing compositions |
Nov. 13, 2001 |
| 6308868 |
High pressure cartridge feed system |
Oct. 30, 2001 |
| 6302296 |
Method and apparatus for depositing a food product |
Oct. 16, 2001 |
| 6299031 |
Dispensing apparatus and method |
Oct. 9, 2001 |
| 6299025 |
Frozen dessert dispenser |
Oct. 9, 2001 |
| 6290106 |
Angle adjustable grease dispensing gun |
Sep. 18, 2001 |
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