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Class Information
Number: 222/412
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Rotary > Helically arranged projections (e.g., screws)
Description: Dispensers having a discharge assistant with helically arranged projections, either interrupted or continuous, e.g., screws.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7367263 |
Fountain |
May. 6, 2008 |
| 7318537 |
Method and apparatus for controlling the speed and/or direction of movement of a screw discharger |
Jan. 15, 2008 |
| 6932245 |
Dispensing canister |
Aug. 23, 2005 |
| 6786366 |
Metering device for dry bulk material |
Sep. 7, 2004 |
| 6712237 |
Simulated frozen beverage composition and method of manufacture thereof |
Mar. 30, 2004 |
| RE37911 |
Fluent material container and dispenser |
Nov. 26, 2002 |
| 6454143 |
Apparatus and method for dispensing particles |
Sep. 24, 2002 |
| 6431810 |
Silo reclaimer |
Aug. 13, 2002 |
| 6336573 |
Hopper, or bin, screw feeder construction controlling discharge velocity profile |
Jan. 8, 2002 |
| 6220486 |
Powder paint feeder for powder coating |
Apr. 24, 2001 |
| 6206249 |
Fluent material container and dispenser |
Mar. 27, 2001 |
| 6109478 |
Conveying of materials |
Aug. 29, 2000 |
| 6109476 |
Ice dispensing system |
Aug. 29, 2000 |
| 6073818 |
Apparatus for controlled delivery of powdered solid materials |
Jun. 13, 2000 |
| 6071187 |
Device and method for separating foreign objects from a mass of coins |
Jun. 6, 2000 |
| 6039220 |
Low profile ice dispenser |
Mar. 21, 2000 |
| 5996855 |
Cross-feed auger and method |
Dec. 7, 1999 |
| 5961002 |
Receival hopper |
Oct. 5, 1999 |
| 5931355 |
Disposable rotary microvalve |
Aug. 3, 1999 |
| 5871081 |
Concentric auger feeder |
Feb. 16, 1999 |
| 5662272 |
Powder coating product sprayer device |
Sep. 2, 1997 |
| 5655690 |
Apparatus for dispensing product through a vertical dispenser tube |
Aug. 12, 1997 |
| 5639200 |
Sweep drive unit |
Jun. 17, 1997 |
| 5617975 |
Chip feed system |
Apr. 8, 1997 |
| 5585119 |
Device for preparation of expanded thermoplastic microspheres |
Dec. 17, 1996 |
| 5575408 |
Image developer material agitation system with non-binding mixing coil agitator |
Nov. 19, 1996 |
| 5447404 |
Silo discharge arrangement |
Sep. 5, 1995 |
| 5400836 |
Filling flowable products into receptacles |
Mar. 28, 1995 |
| 5386939 |
Apparatus and method for distribution of seasonings and the like for the uniform distribution of seasonings or like granular/powdered materials |
Feb. 7, 1995 |
| 5385086 |
Electrostatic assisted dry ingredient deposition apparatus |
Jan. 31, 1995 |
| 5356054 |
Wagon with cutting, mixing and dispensing functions for fodder and grass or straw materials stored in silos |
Oct. 18, 1994 |
| 5281071 |
Portable ice storage and dispensing system |
Jan. 25, 1994 |
| 5269233 |
Stoker or particulate conveyor |
Dec. 14, 1993 |
| 5240185 |
Powder paint supply device |
Aug. 31, 1993 |
| 5205416 |
Feed hopper having outlet slots that reduce material shearing and are positioned to strengthen the auger housing |
Apr. 27, 1993 |
| 5146277 |
Dual-flow ribbon blender having interstream mixing member |
Sep. 8, 1992 |
| 5139176 |
Apparatus for metered filling of toner from a reservoir into the developing station of a printer or copier device |
Aug. 18, 1992 |
| 5130756 |
Unit for conveying developer |
Jul. 14, 1992 |
| 5117654 |
Ice conveyor system for refrigerator |
Jun. 2, 1992 |
| 5090593 |
Apparatus and method for distributing seasoning |
Feb. 25, 1992 |
| 5058776 |
Apparatus for dispensing particulate material for foundry furnace relining |
Oct. 22, 1991 |
| 5054657 |
Sanitary bulk food dispenser with rotary cone feeder |
Oct. 8, 1991 |
| 5009254 |
Apparatus to fill seed/fertilizer drills |
Apr. 23, 1991 |
| 5002205 |
Product-discharging device of powdery/granular material processing apparatus |
Mar. 26, 1991 |
| 4964542 |
Frozen beverage dispenser |
Oct. 23, 1990 |
| 4903821 |
Intermittent drum feeder with adjustable loading position |
Feb. 27, 1990 |
| 4884724 |
Screw auger chemical applicator |
Dec. 5, 1989 |
| 4877390 |
Degassification device for a screw extruder which processes plastic material |
Oct. 31, 1989 |
| 4860928 |
Powder constant-volume feeder |
Aug. 29, 1989 |
| 4840292 |
Method and apparatus for dispensing oil well proppant additive |
Jun. 20, 1989 |
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