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Class Information
Number: 222/344
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Movable or conveyer-type trap chamber
Description: Dispensers having a chamber so constructed and related to the supply as to receive material therefrom, which chamber is movable mounted relative to the supply. The material in the trap chamber is isolated from the supply either by the relative movement of the supply and trap chambers or by special means as flow controllers, closures, etc.

Sub-classes under this class:

Class Number Class Name Patents
222/353 Barometric or angle of repose 2
222/356 Dipping trap chamber, nonrotary, nonendless belt 11
222/371 Endless belt carried 15
222/361 Reciprocating (including oscillating) conveyer-type trap chamber 109
222/367 Rotary conveyer-type trap chamber 57
222/355 With cutoff interconnected with trap chamber for operation 19
222/359 With relatively movable actuator 10
222/354 With relatively movable cutoff carried by trap chamber 11
222/345 With striking or clearing means 32

Patents under this class:

Patent Number Title Of Patent Date Issued
8440018 Apparatus for supplying source and apparatus for deposition thin film having the same May. 14, 2013
8434650 Packaging with integral metered serving dispenser mechanism May. 7, 2013
8267279 Device for dispensing dosages of substances in powder- or paste form Sep. 18, 2012
8245736 Powder packaging Aug. 21, 2012
8191737 Apparatus for storing, dispensing, and measuring dry granular or powdered materials Jun. 5, 2012
8181830 Powder dispenser May. 22, 2012
7922043 Dosage-dispensing device for substances in powder- or paste form Apr. 12, 2011
7922044 Dosage-dispensing device for substances in powder or paste form Apr. 12, 2011
7770761 Dosage-dispensing device for substances in powder or paste form Aug. 10, 2010
7503468 Linerless bore seal closure Mar. 17, 2009
6981619 High precision metering and/or additioning device, particularly for granular materials Jan. 3, 2006
6981457 Particulate material dispenser Jan. 3, 2006
6962274 Device for measuring, dispensing and storing of granular, powder and grain materials Nov. 8, 2005
6938652 Automatic fish feeding apparatus Sep. 6, 2005
6681954 Product dispenser Jan. 27, 2004
6484906 Apparatus and method for dosing a product Nov. 26, 2002
5524452 Beverage dispenser having an L-shaped cold plate with integral carbonator Jun. 11, 1996
4775516 Apparatus for monitoring the carbon content of boiler flue ash Oct. 4, 1988
4733594 Filling arrangement Mar. 29, 1988

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