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Class Information
Number: 366/270
Name: Agitating > Stirrer within stationary mixing chamber > Pump type > Propeller blade type
Description: Subject matter wherein the pump has one or more blades which when rotated about a central shaft produces movement of the material in a direction parallel to the axis of rotation.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8684590 Device for mixing powder with a liquid, the device including a dispersion tube Apr. 1, 2014
8669099 Bioprocessing Mar. 11, 2014
8641266 Horizontal-flow hydration apparatus Feb. 4, 2014
8485716 Agitation apparatus and agitation method Jul. 16, 2013
8444823 Method and apparatus for paper stock mixing May. 21, 2013
8425109 Ice fishing hole maintenance system Apr. 23, 2013
8371742 Horizontal mixing trailer system Feb. 12, 2013
8328412 Combined axial-radial intake impeller with circular rake Dec. 11, 2012
8277114 Gas foil impeller Oct. 2, 2012
8235577 Methods and apparatus for coating particulate material Aug. 7, 2012
8100577 Fluid blending apparatus and associated method Jan. 24, 2012
8057091 Water circulation systems for ponds, lakes, and other bodies of water Nov. 15, 2011
7473025 Mixing impeller with spiral leading edge Jan. 6, 2009
7331704 Start-up method for draft tube mixing Feb. 19, 2008
7201884 Process and apparatus for performing a gas-sparged reaction Apr. 10, 2007
7172337 Low shear impeller Feb. 6, 2007
7168848 Axial-pumping impeller apparatus and method for magnetically-coupled mixer Jan. 30, 2007
7168849 Agitation apparatus and method for dry solids addition to fluid Jan. 30, 2007
7127919 Methods and apparatus for homogenizing molten glass Oct. 31, 2006
6964511 Mixing apparatus and method Nov. 15, 2005
6447157 Transportation of soluble solids Sep. 10, 2002
6443613 Method for transporting and delivering substances Sep. 3, 2002
6428711 Purification method by mixing/diffusion of closed water zone and mixing/diffusion apparatus Aug. 6, 2002
6422736 Scalable impeller apparatus for preparing silver halide grains Jul. 23, 2002
6391628 Digester with agitator and method for operating an agitator in a digester May. 21, 2002
6296384 Vertical agitating apparatus Oct. 2, 2001
6276825 Transportation of soluble solids Aug. 21, 2001
6276826 Apparatus for transporting and delivering substances Aug. 21, 2001
6250797 Mixing impeller system having blades with slots extending essentially all the way between tip and hub ends thereof which facilitate mass transfer Jun. 26, 2001
6250796 Agitation apparatus with static mixer or swirler means Jun. 26, 2001
6123448 Agitator for fixing and/or conveying aggressive liquids and/or liquids containing solids or fibers Sep. 26, 2000
6079864 Horizontal flow generation system Jun. 27, 2000
6050720 Stirring apparatus with coaxial stirring impellers Apr. 18, 2000
6030113 Mixing apparatus and method for mixing black liquor from cellulose production with ash from flue gases formed from combustion of black liquor Feb. 29, 2000
6000840 Rotors and stators for mixers and emulsifiers Dec. 14, 1999
5964527 Mixing device Oct. 12, 1999
5851066 Floating mixer Dec. 22, 1998
5813837 Axial-flow impeller for mixing liquids Sep. 29, 1998
5803601 Horizontal flow generation system Sep. 8, 1998
5762417 High solidity counterflow impeller system Jun. 9, 1998
5658076 Apparatus for storing and handling waste water slurries Aug. 19, 1997
5628563 Method and system for slurry preparation and distribution May. 13, 1997
5626423 Apparatus and method for transporting and agitating a substance May. 6, 1997
5580168 Mixing system employing a dispersion tank with venturi input for dissolving water soluble additives into irrigation water Dec. 3, 1996
5564828 Method and device for controlled motion of water in water basins Oct. 15, 1996
5525269 Impeller tiplets for improving gas to liquid mass transfer efficiency in a draft tube submerged turbine mixer/aerator Jun. 11, 1996
5454986 Down-flow batch mixing system Oct. 3, 1995
5411330 Moebius shaped mixing accessory May. 2, 1995
5344235 Erosion resistant mixing impeller Sep. 6, 1994
5338779 Dry polymer activation apparatus and method Aug. 16, 1994

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