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Class Information
Number: 366/318
Name: Agitating > Stirrer within stationary mixing chamber > Rotatable stirrer > Screw-type stirrer
Description: Subject matter wherein the stirrer comprises a helical ribbon rotatable about its longitudinal axis.










Sub-classes under this class:

Class Number Class Name Patents
366/324 Apertured or notched 44
366/322 Discontinuous screw 88
366/320 Openwork helical ribbon 118
366/321 Opposite pitch 47
366/323 Varying diameter of convolutions or shank or varying pitch 139
366/319 With additional agitator elements on screw 155


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8646967 Enhanced reel for agricultural mixer Feb. 11, 2014
8596855 Metering apparatus and method for introducing a powdery medium into a fluid Dec. 3, 2013
8414179 Apparatus for mixing a powdery medium with a fluid Apr. 9, 2013
8246240 Single screw extruder for processing of low viscosity preconditioned materials Aug. 21, 2012
8118479 Apparatus for heat exchange with radial mixing Feb. 21, 2012
8092076 Device for extracting, fragmenting, mixing and homogenizing especially infectious, malodorous, chemically corrosive or sterile substances Jan. 10, 2012
8091473 Juice extractor Jan. 10, 2012
7946753 Rotatable mixing device and dynamic mixing method May. 24, 2011
7927006 Device for extracting, fragmenting, mixing and homogenizing especially infectious, malodorous, chemically corrosive or sterile substances Apr. 19, 2011
7910030 Process and apparatus for continuous wet granulation of powder material Mar. 22, 2011
7775703 Stirring apparatus and method of use of said apparatus Aug. 17, 2010
7771111 Liquid phase reactor Aug. 10, 2010
7736048 Segmented auger for a concrete dispensing apparatus Jun. 15, 2010
7233766 Screw conveyor and developer conveying mechanism Jun. 19, 2007
7108418 Bearing seal assembly for concrete auger mixer and method for using same Sep. 19, 2006
6863433 Auger with forward angled leading edge Mar. 8, 2005
6817752 Auger device for a vertical mixer Nov. 16, 2004
6808305 Method and apparatus for mixing additives with sludge in a powered line blender Oct. 26, 2004
6658996 Apparatus for processing food waste Dec. 9, 2003
6632012 Mixing manifold for multiple inlet chemistry fluids Oct. 14, 2003
6599007 Apparatus for agitating ice cream in an ice cream vending machine Jul. 29, 2003
6578468 Continuous mixer or stir fry cooker Jun. 17, 2003
6508965 Process and apparatus for the production of paper products Jan. 21, 2003
6409376 Mixer apparatus Jun. 25, 2002
6395516 Vessel for mixing a cell lysate May. 28, 2002
6375345 Heating worm conveyor Apr. 23, 2002
6349570 In-barrel wetting screw charger Feb. 26, 2002
6260995 Mixing apparatus Jul. 17, 2001
6146613 Method of zeolite synthesis with homogeneous shaking out of the medium, device and application Nov. 14, 2000
6136246 Screw extruder with improved dispersive mixing elements Oct. 24, 2000
6106756 Preparation of high solids poly(vinyl alcohol)/water solutions in a single screw extruder Aug. 22, 2000
6095035 Dual drum food processor Aug. 1, 2000
6080346 Extrusion apparatus and method and extruded thermoplastic polymer Jun. 27, 2000
6058828 Continuous cooking system for solid daily dishes May. 9, 2000
5953984 Food diminution and emulsification apparatus Sep. 21, 1999
5932159 Screw extruder with improved dispersive mixing Aug. 3, 1999
5876115 Self-cleaning reactor/mixer for highly viscous and cohesive mixing materials Mar. 2, 1999
5868065 Apparatus for manufacturing frozen confection Feb. 9, 1999
5842090 Developing device having a member for restricting transport of developer Nov. 24, 1998
5823668 Extruder and extrusion screw therefor Oct. 20, 1998
5823667 Mixer having a segmented helical mixing blade Oct. 20, 1998
5806413 Juicer Sep. 15, 1998
5788370 Machine for making crushed-ice drinks Aug. 4, 1998
5715502 Toner conveyer Feb. 3, 1998
5669288 Rotating drum food processor with cleaning spray accessible panels Sep. 23, 1997
5655835 Single screw extruder method and apparatus Aug. 12, 1997
5630944 Treatment of sewage sludge May. 20, 1997
5592869 Open throat blancher with support braces Jan. 14, 1997
5572297 Developer dispersing device Nov. 5, 1996
5520457 Machine and method for the continuous treatment of surfaces of articles of reduced thickness May. 28, 1996

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