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Class Information
Number: 366/156.1
Name: Agitating > Having specified feed means > Agitation of material in feeder or supply reservoir > Rotatable impeller > Screw conveyor
Description: Subject matter wherein the rotatable impeller comprises structure having a continuous helical blade which rotates about its longitudinal axis.










Sub-classes under this class:

Class Number Class Name Patents
366/158.1 Axis parallel to stirrer in mixing chamber 32
366/157.1 Coaxial or unitary with stirrer 21
366/158.3 Discontinuous screw 5
366/158.4 Including upstream agitator 29
366/156.2 Plural screw feeders 73
366/158.2 Varying diameter screw or shank 25


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8353394 Continuous constant-rate feeding system Jan. 15, 2013
8246240 Single screw extruder for processing of low viscosity preconditioned materials Aug. 21, 2012
8197122 Dynamic mixing applicator Jun. 12, 2012
8152358 System and apparatus to deliver low-inclusion feed ingredients into livestock ration Apr. 10, 2012
8142066 Mixing device for synthetic leather to joint with a solid powder material Mar. 27, 2012
8100577 Fluid blending apparatus and associated method Jan. 24, 2012
7665398 Soft-frozen confection blending and dispensing freezer Feb. 23, 2010
7531126 Powder fabricating apparatus May. 12, 2009
7513963 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels Apr. 7, 2009
7331702 Agitation mixer Feb. 19, 2008
7325967 Method and apparatus for administering micro-ingredient feed additives to animal feed rations Feb. 5, 2008
7004615 Distributor for dry cement Feb. 28, 2006
6817747 Portable variable speed volumetric feed hopper Nov. 16, 2004
6810921 Method of and device for dispensing bulk material Nov. 2, 2004
6783743 Apparatus and method for absorbing and recycling material in a blender Aug. 31, 2004
6712496 Auger fed mixer apparatus and method of using Mar. 30, 2004
6599007 Apparatus for agitating ice cream in an ice cream vending machine Jul. 29, 2003
6575615 Livestock mixer and feeder Jun. 10, 2003
6523727 Dough feeding unit Feb. 25, 2003
6353053 Method and device for producing polyurethanes containing filling materials Mar. 5, 2002
6203184 Blender Mar. 20, 2001
6099159 Continuous mixing feeder Aug. 8, 2000
6021821 Particulate processing apparatus Feb. 8, 2000
5683575 Apparatus for activation of a digesting agent upstream of organic material treatment Nov. 4, 1997
5657687 Device for conching chocolate compound Aug. 19, 1997
5634713 Pneumatic material transporter and mixer Jun. 3, 1997
5609416 Portable continual mixer Mar. 11, 1997
5564329 Apparatus for supplying specified quantity of cooking material Oct. 15, 1996
5518675 Method for intermixing comminuted dried materials May. 21, 1996
5507440 Mixing method for material one of which is in packaged form Apr. 16, 1996
5472835 Preparation of solutions for use in photography Dec. 5, 1995
5470147 Portable continual mixer Nov. 28, 1995
5407268 Kneader for the treatment of fibrous pulp suspensions Apr. 18, 1995
5372423 Device for mixing pulverulent material into a liquid Dec. 13, 1994
5344233 Apparatus for dispensing hydratable material Sep. 6, 1994
5320427 Apparatus for continuously conching chocolate mass Jun. 14, 1994
5287801 Flavoring food products Feb. 22, 1994
5286121 Automatic device for making flour strap Feb. 15, 1994
5284388 Receiver with dust collector for bulk dry ingredients Feb. 8, 1994
5222807 Low shear polymer dissolution apparatus Jun. 29, 1993
5186538 Core and molding sand preparation apparatus with adjustable mixing blade Feb. 16, 1993
5174651 Low shear polymer dissolution apparatus Dec. 29, 1992
5139176 Apparatus for metered filling of toner from a reservoir into the developing station of a printer or copier device Aug. 18, 1992
5127450 Method and apparatus for regulating the level of a mixture of flowable material in a container Jul. 7, 1992
5110521 Hybrid apparatus and method for blending materials May. 5, 1992
5104230 Device for metering pulverulent materials Apr. 14, 1992
5100240 High-speed continuous mixer for solids and liquids Mar. 31, 1992
5052811 Apparatus for blending friction material Oct. 1, 1991
5044819 Monitored paving system Sep. 3, 1991
5045252 Method and apparatus for controlling rotary extruder Sep. 3, 1991

1 2 3










 
 
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