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Class Information
Number: 222/413
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Rotary > Helically arranged projections (e.g., screws) > Screw with terminal outlet only
Description: Dispensers having the sole discharge point at or near the end of the screw.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7448515 |
Automatic machine for dosing water and dental alginate |
Nov. 11, 2008 |
| 7416399 |
Handheld extruder welding device |
Aug. 26, 2008 |
| 7395948 |
Multiple tank fluid pumping system using a single pump |
Jul. 8, 2008 |
| 7374067 |
Handheld extruder welding device |
May. 20, 2008 |
| 7367263 |
Fountain |
May. 6, 2008 |
| 7331482 |
Dispense pump with heated pump housing and heated material reservoir |
Feb. 19, 2008 |
| 7325707 |
Dispenser for a liquid or pasty product |
Feb. 5, 2008 |
| 7316335 |
Material dispenser having a positive shutoff mechanism |
Jan. 8, 2008 |
| 7311223 |
Apparatus for dispensing a plurality of powders and method of compounding substances |
Dec. 25, 2007 |
| 7299954 |
Handheld extruder welding device |
Nov. 27, 2007 |
| 7287673 |
Automatic dosing device comprising a container and the use of such an automatic dosing device |
Oct. 30, 2007 |
| 7275664 |
Self aligning self engaging hopper drive |
Oct. 2, 2007 |
| RE39639 |
Liftable grout hopper and dispenser |
May. 22, 2007 |
| 7188754 |
Automatic dosing device and the use of such an automatic dosing device |
Mar. 13, 2007 |
| 7178698 |
Container with discharging device |
Feb. 20, 2007 |
| 7152762 |
Control valve |
Dec. 26, 2006 |
| 7134573 |
Apparatus for dispensing a plurality of powders and method of compounding substances |
Nov. 14, 2006 |
| 7048157 |
Metering machine |
May. 23, 2006 |
| 6997346 |
Apparatus and method for reducing buildup of particulate matter in particulate-matter-delivery systems |
Feb. 14, 2006 |
| 6983867 |
Fluid dispense pump with drip prevention mechanism and method for controlling same |
Jan. 10, 2006 |
| 6966456 |
System for feeding portions of material to an injection molding machine |
Nov. 22, 2005 |
| 6952936 |
Refrigerator and ice maker apparatus |
Oct. 11, 2005 |
| 6948535 |
Apparatus and method for accurately metering and conveying dry powder or granular materials to a blender in a substantially closed system |
Sep. 27, 2005 |
| 6935534 |
Mixing rotary positive displacement pump for micro dispensing |
Aug. 30, 2005 |
| 6889874 |
Dosing device for bulk goods |
May. 10, 2005 |
| 6877644 |
Device for dispensing flowable material components |
Apr. 12, 2005 |
| 6860408 |
Auger apparatus for conveying ice |
Mar. 1, 2005 |
| 6851923 |
Fluid pump and cartridge |
Feb. 8, 2005 |
| 6837397 |
Beverage ingredient powder mixing drink dispenser and method |
Jan. 4, 2005 |
| 6834779 |
Dispensing canister |
Dec. 28, 2004 |
| 6779692 |
Apparatus and method for increasing density of finely divided particulate matter |
Aug. 24, 2004 |
| 6739483 |
Liquid dispensing system with improved sealing augering screw and method for dispensing |
May. 25, 2004 |
| 6736900 |
Highly-viscous-fluid applying apparatus capable of controlling delivery amount of fluid |
May. 18, 2004 |
| 6722403 |
Automated apparatus for dispensing measured quantities of powder to containers in an array |
Apr. 20, 2004 |
| 6719174 |
Rotary and/or linear actuator system for controlling operation of an associated tool |
Apr. 13, 2004 |
| 6702152 |
Dosing control for helical dosing equipment |
Mar. 9, 2004 |
| 6691895 |
Mixing rotary positive displacement pump for micro dispensing |
Feb. 17, 2004 |
| 6688493 |
System for feeding portions of material to an injection molding machine |
Feb. 10, 2004 |
| 6688499 |
Liquid dispenser with screw pump |
Feb. 10, 2004 |
| 6679402 |
Food product cartridge |
Jan. 20, 2004 |
| 6672482 |
Direct sugar dispensing system in automatic hot beverage vending machines |
Jan. 6, 2004 |
| 6659284 |
Mcminer material transfer process |
Dec. 9, 2003 |
| 6571990 |
Method and apparatus for adjustably directing granular material out of a container and reducing outlet pressure in the container |
Jun. 3, 2003 |
| 6568567 |
Bulk-solid metering system with laterally removable feed hopper |
May. 27, 2003 |
| 6533143 |
Multiple filling device for powder materials |
Mar. 18, 2003 |
| 6523727 |
Dough feeding unit |
Feb. 25, 2003 |
| RE37911 |
Fluent material container and dispenser |
Nov. 26, 2002 |
| 6470921 |
Rotary flow control device for bag filling machines |
Oct. 29, 2002 |
| 6470737 |
Device for metering flowable products |
Oct. 29, 2002 |
| 6439428 |
Dispenser with features for enhanced maintainability |
Aug. 27, 2002 |
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