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Class Information
Number: 222/361
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Movable or conveyer-type trap chamber > Reciprocating (including oscillating) conveyer-type trap chamber
Description: Dispensers in which the movable trap chamber or trap forming elements are reciprocated between supply and discharge positions to control the material flow and transport the trapped material relatively to the supply container.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621427 |
Device for delivering paste substances into containers |
Nov. 24, 2009 |
| 7472810 |
Dosing dispenser particularly useful for dispensing baby formula |
Jan. 6, 2009 |
| 7398725 |
Metering powdery, flaky or fine-grained dosing material |
Jul. 15, 2008 |
| 6962274 |
Device for measuring, dispensing and storing of granular, powder and grain materials |
Nov. 8, 2005 |
| 6935539 |
Device for the metered delivery of a viscous liquid |
Aug. 30, 2005 |
| 6811061 |
Device for storing, measuring and dispensing granular and powder materials |
Nov. 2, 2004 |
| 6749091 |
Universal reagent dispenser |
Jun. 15, 2004 |
| 6733256 |
Device for producing consumables |
May. 11, 2004 |
| 6619339 |
Pneumatically controlled volumetric pocket filler |
Sep. 16, 2003 |
| 6488184 |
Dry particulate dispenser |
Dec. 3, 2002 |
| 6450371 |
Device for measuring, dispensing and storing of granular and powder materials |
Sep. 17, 2002 |
| 6343716 |
Metering end-fitting and container fitted with a metering end-fitting |
Feb. 5, 2002 |
| 6315170 |
Device for dispensing granular material |
Nov. 13, 2001 |
| 6257016 |
Apparatus for dispensing dry ice |
Jul. 10, 2001 |
| 6148636 |
Apparatus for dispensing dry ice |
Nov. 21, 2000 |
| 6123224 |
Bulk solids transport system and method |
Sep. 26, 2000 |
| 6111206 |
Apparatus and method for gravimetric blending with horizontal material feed |
Aug. 29, 2000 |
| 6053220 |
Volume-based auto seed-dispensing apparatus |
Apr. 25, 2000 |
| 6047746 |
Granular dispensing system |
Apr. 11, 2000 |
| 6039221 |
Materials feeder equipment |
Mar. 21, 2000 |
| 6024258 |
Material container that shuttles between supply and use sites |
Feb. 15, 2000 |
| 5934573 |
Measuring dispenser-spreader and method |
Aug. 10, 1999 |
| 5839618 |
Materials feeder equipment |
Nov. 24, 1998 |
| 5823398 |
Valve assembly for dispensing condiments |
Oct. 20, 1998 |
| 5706742 |
Method of feeding solid particles from a zone of low pressure to a zone of high pressure |
Jan. 13, 1998 |
| 5685461 |
Apparatus for dispensing a uniform volume of granular material |
Nov. 11, 1997 |
| 5651401 |
Apparatus for filling receptacles |
Jul. 29, 1997 |
| 5645197 |
Adjustable volume dosing dispenser for fish food |
Jul. 8, 1997 |
| 5498286 |
Apparatus for dosing a pumpable fluid |
Mar. 12, 1996 |
| 5497713 |
Garden seeder |
Mar. 12, 1996 |
| 5421491 |
Measuring and dispensing device |
Jun. 6, 1995 |
| 5413259 |
Device for repeated, automatic metering of doses of a powdered detergent in water-conducting cleaning machines |
May. 9, 1995 |
| 5409137 |
Volumetric batcher, particularly for chamomile flowers to be packed in filter-bags |
Apr. 25, 1995 |
| 5386929 |
Portion dispensing caps |
Feb. 7, 1995 |
| 5293757 |
Ice dispenser |
Mar. 15, 1994 |
| 5259531 |
Device for storing and dispensing pills |
Nov. 9, 1993 |
| 5183507 |
Particulate material dispensing device |
Feb. 2, 1993 |
| 5176297 |
Dishwasher detergent dispenser |
Jan. 5, 1993 |
| 5143126 |
Vibratory process and apparatus for agglomerating and metering non-flowable powders |
Sep. 1, 1992 |
| 5125781 |
Air lock for transfer of product into and out of vacuum or pressurized chamber |
Jun. 30, 1992 |
| 5050781 |
Device for dosing a liquid contained in a first chamber and for transferring small doses thereof into a fluid flowing in a second chamber |
Sep. 24, 1991 |
| 5050778 |
Dry flowable material dispensing and contents preservation and sterilization apparatus |
Sep. 24, 1991 |
| 4991748 |
Device for dispensing portions of grainy media, in particular pellets |
Feb. 12, 1991 |
| 4979650 |
Drive arrangement for metering mechanisms |
Dec. 25, 1990 |
| 4972978 |
Dispenser having an improved metering chamber |
Nov. 27, 1990 |
| 4967931 |
Bottom-up filler |
Nov. 6, 1990 |
| 4964546 |
Measured quantity dispenser |
Oct. 23, 1990 |
| 4955510 |
Bean and ground coffee carrier member for use in coffee systems |
Sep. 11, 1990 |
| 4899908 |
Vending machine for dispensing heated peanuts |
Feb. 13, 1990 |
| 4895195 |
Apparatus for volumetric dosing of a fragile bulk material |
Jan. 23, 1990 |
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