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Class Information
Number: 366/320
Name: Agitating > Stirrer within stationary mixing chamber > Rotatable stirrer > Screw-type stirrer > Openwork helical ribbon
Description: Subject matter wherein the helical ribbon has an open central portion for flow of material.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8340555 Toner supply container and image forming apparatus Dec. 25, 2012
8290407 Toner supply apparatus with a drive member for driving an agitator and with a film covering the periphery of the drive member Oct. 16, 2012
8133442 Method to enhance clarification in a mixing reactor and said mixing reactor Mar. 13, 2012
8118476 Gas/liquid mixing equipment, gas/liquid mixing method, polymer and method for its production Feb. 21, 2012
8100578 Helical ribbon mixing gear Jan. 24, 2012
7922384 Device for transporting sticky or wet material Apr. 12, 2011
7925189 Rotator for powder conveyance and toner cartridge Apr. 12, 2011
7871193 Mixer having a centrally disposed helical or anchor agitator and eccentrically disposed screw or blade agitator Jan. 18, 2011
7744270 Curable material mixing and delivery device Jun. 29, 2010
7585105 Scraper assembly Sep. 8, 2009
7490975 Golf ball mixing and dispensing apparatus Feb. 17, 2009
7396151 Conditioner Jul. 8, 2008
7357564 Apparatus for pumping and mixing high aggregate plural components of differing viscosities Apr. 15, 2008
7311438 Agitator, image forming apparatus having the same and method for agitating Dec. 25, 2007
7278276 Frozen carbonated beverage apparatus for preparing a low Brix frozen carbonated beverage Oct. 9, 2007
7270469 Apparatus and method for adding pigmentation to concrete mix Sep. 18, 2007
7248823 Electrographic ribbon and method implementing a skive Jul. 24, 2007
7246937 Golf ball mixing and dispensing apparatus Jul. 24, 2007
7137730 Electrographic ribbon blender and method Nov. 21, 2006
7131765 Helical-ribbon mixer Nov. 7, 2006
6752530 Mixer with helical feeder and recirculation scroll for preparing material for animal feeding Jun. 22, 2004
6585406 Electrostatographic blender assembly and method Jul. 1, 2003
6536939 Solid/liquid mixing system Mar. 25, 2003
6523727 Dough feeding unit Feb. 25, 2003
6395516 Vessel for mixing a cell lysate May. 28, 2002
6375345 Heating worm conveyor Apr. 23, 2002
6183560 Particulate material blender and polisher Feb. 6, 2001
6179458 Forming a solution of fluids having low miscibility and large-scale differences in viscosity Jan. 30, 2001
6123445 Dual stage continuous mixing apparatus Sep. 26, 2000
6115935 Brush and roller spinner and paint mixer Sep. 12, 2000
6099159 Continuous mixing feeder Aug. 8, 2000
6030112 Slurry batcher mixer Feb. 29, 2000
6012447 Heated mixing kettle with dual acting agitators Jan. 11, 2000
5967657 Mixer vehicle with helical sweep bars and a return auger Oct. 19, 1999
5906432 Dough mixer apparatus for laboratory testing of the development of a dough sample May. 25, 1999
5897206 Agitator and agitator assembly Apr. 27, 1999
5882114 Method of continuous extraction of crude wax and apparatus therefor Mar. 16, 1999
5876117 Agitator Mar. 2, 1999
5823675 Stepped helical scraper blade for ice cream maker Oct. 20, 1998
5810470 Device and method for mixing mortar with a specific ratio of sand, cement and water Sep. 22, 1998
5753498 Garbage treating apparatus May. 19, 1998
5741066 Helical ribbon mixer Apr. 21, 1998
5549384 Mixer with helically extending blades Aug. 27, 1996
5435494 Spreader apparatus for spreading manure Jul. 25, 1995
5411710 Apparatus for processing materials May. 2, 1995
5401402 Process and apparatus for treating sewage sludge Mar. 28, 1995
5385403 Mixing apparatus for mixing materials Jan. 31, 1995
5382092 Mixing apparatus and bottom ribbon blade used therein Jan. 17, 1995
RE34776 Programmable apparatus and method for delivering microingredient feed additives to animals by weight Nov. 8, 1994
5358331 Blending device for particulate material, with helical conveyer Oct. 25, 1994

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