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Class Information
Number: 222/410
Name: Dispensing > With discharge assistant (e.g., impeller, pump, conveyer, movable trap chamber, etc.) > Rotary
Description: Dispensers having a rotary discharge assistant.










Sub-classes under this class:

Class Number Class Name Patents
222/411 Central discharge 26
222/412 Helically arranged projections (e.g., screws) 104
222/414 Peripheral surface material contact 65


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8556129 Powder dispenser assembly Oct. 15, 2013
8469232 Ice agitation and dispensing device and method Jun. 25, 2013
8439235 Automatic ground-coffee dispenser May. 14, 2013
8365951 Ice agitation and dispensing device and method Feb. 5, 2013
8365950 Medicine dispensing device Feb. 5, 2013
8272537 Valveless liquid dispenser Sep. 25, 2012
8267279 Device for dispensing dosages of substances in powder- or paste form Sep. 18, 2012
8245885 Device to allow for cleaning access in semi-solid metering machines Aug. 21, 2012
8240519 Ice dispenser Aug. 14, 2012
8206973 Automated biological growth and dispensing system Jun. 26, 2012
8196780 Rotary foam pump Jun. 12, 2012
8136705 Magnetic drive for dispensing apparatus Mar. 20, 2012
8047408 Dispenser for granules and powders Nov. 1, 2011
8042455 Automatic coffeemaker provided with an automatic grounds dispenser Oct. 25, 2011
7972087 Vacuum transfer apparatus and process with improved product weighing controls Jul. 5, 2011
7967170 Method and apparatus for a front access removable agitator motor Jun. 28, 2011
7886938 Powder and granular material feeder Feb. 15, 2011
7857166 Rotary feeding system Dec. 28, 2010
7766195 Rotary feeding system Aug. 3, 2010
7757903 Feeder assembly for bulk solids Jul. 20, 2010
7748571 Method and apparatus for a front access removable agitator motor Jul. 6, 2010
7748575 Screw type material feeding apparatus Jul. 6, 2010
7735697 Output device for container Jun. 15, 2010
7618360 Base insert device for paper bags Nov. 17, 2009
7472662 Vacuum pump for agricultural seeding equipment Jan. 6, 2009
7374069 Edible food product dispensing system and methods of using the same May. 20, 2008
7318537 Method and apparatus for controlling the speed and/or direction of movement of a screw discharger Jan. 15, 2008
7314342 Cement hopper attachment for skid steer loader Jan. 1, 2008
7311265 Hand-held spraying apparatus having a multi-compartment liquid-holding reservoir Dec. 25, 2007
7275664 Self aligning self engaging hopper drive Oct. 2, 2007
7140311 Vacuum pump for agricultural seeding equipment Nov. 28, 2006
7021504 Apparatus for dispensing free-flowing material Apr. 4, 2006
6955722 Method and apparatus for application of a material to a substrate Oct. 18, 2005
6877644 Device for dispensing flowable material components Apr. 12, 2005
6860410 Powder and grain feeder Mar. 1, 2005
6845735 Pet feeder Jan. 25, 2005
6568564 Soft tube dispenser apparatus May. 27, 2003
6527147 Apparatus and process for dispensing dunnage Mar. 4, 2003
6523726 Apparatus and method for controlled feeding of particulate material Feb. 25, 2003
6416261 Rotary plate feeder Jul. 9, 2002
6398046 Drum roller dispenser for dry particles, particularly polymeric erosion control agents Jun. 4, 2002
6375035 Material feeder, dispensing member and method Apr. 23, 2002
6257444 Precision dispensing apparatus and method Jul. 10, 2001
6214113 Gumming device Apr. 10, 2001
6116474 Metering valve and method for the metered delivery of pasty mediums Sep. 12, 2000
6109481 Powder atomizer Aug. 29, 2000
6062426 Ice storage/dispensing apparatus May. 16, 2000
6062439 Rotary valve with improved sealing means May. 16, 2000
6029853 Dispersing method, dispersing apparatus and dispersing system having dispersing apparatus Feb. 29, 2000
5964184 Continuous operating distribution hopper Oct. 12, 1999

1 2 3










 
 
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