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Class Information
Number: 366/264
Name: Agitating > Stirrer within stationary mixing chamber > Pump type > Centrifugal > Impeller with outer stationary ring
Description: Subject matter wherein the centrifugal pump comprises a rotating impeller and an outer stationary ring located in the same general diametrical plane with the impeller.

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
8506156 Device for diluting viscous substance Aug. 13, 2013
8500321 Collapsible water circulation system for enclosed tanks Aug. 6, 2013
8444823 Method and apparatus for paper stock mixing May. 21, 2013
8398293 Apparatus having sweeping impeller for mixing viscous material Mar. 19, 2013
8398294 Device for dispersing a solid, liquid or gaseous substance in a liquid Mar. 19, 2013
8282267 Mixing system including a flexible bag, specific flexible bag and locating system for the mixing system Oct. 9, 2012
8057091 Water circulation systems for ponds, lakes, and other bodies of water Nov. 15, 2011
7967498 Submersibly operable high volume and low pressure liquid transfer equipment Jun. 28, 2011
7942572 Process for the continuous production of emulsions May. 17, 2011
7906018 System for treating wastewater Mar. 15, 2011
7789553 Water circulation systems for ponds, lakes, and other bodies of water Sep. 7, 2010
7670044 Water circulation systems for ponds, lakes, and other bodies of water with adjustable solar panels Mar. 2, 2010
7500778 Polymer mixing apparatus Mar. 10, 2009
7357566 Device and method for creating vortex cavitation in fluids Apr. 15, 2008
7334937 Impeller vane assembly for liquid/solid blenders Feb. 26, 2008
7230037 Method for mixing a polyol component and an isocyanate component Jun. 12, 2007
7201884 Process and apparatus for performing a gas-sparged reaction Apr. 10, 2007
7178977 Homogenizer Feb. 20, 2007
7178975 Device and method for creating vortex cavitation in fluids Feb. 20, 2007
6997598 Impact-type rotary fining, homogenizing and emulsifying device Feb. 14, 2006
6974246 Apparatus for blending liquids and solids including improved impeller assembly Dec. 13, 2005
6869212 Rotor/stator type homogenizer Mar. 22, 2005
6863431 Disruptor device which eliminates cross contamination Mar. 8, 2005
6855299 Collider chamber apparatus and method of use of same Feb. 15, 2005
6698916 Underwater agitation pump Mar. 2, 2004
6523995 In-tank mixing system and associated radial impeller Feb. 25, 2003
6464384 Mixer systems Oct. 15, 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
6412714 Apparatus for mixing, grinding, dispersing or emulsifying Jul. 2, 2002
6386752 Coagulation reaction device May. 14, 2002
6110432 Collider chamber apparatus and method of use of same Aug. 29, 2000
6070734 Rotation shaft with vibration dampening device Jun. 6, 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
6024881 Magnetic absorption treatment of fluid phases Feb. 15, 2000
6003439 Microflake glitter fabrication Dec. 21, 1999
6000840 Rotors and stators for mixers and emulsifiers Dec. 14, 1999
5904419 Blender method and apparatus May. 18, 1999
5762417 High solidity counterflow impeller system Jun. 9, 1998
5709160 Apparatus for the combustion of fluids with high particle content Jan. 20, 1998
5674057 Submersible canned motor mixer pump Oct. 7, 1997
5650100 Apparatus for providing absorption of gaseous and liquid phases Jul. 22, 1997
5570955 Modular high shear mixer Nov. 5, 1996
5525269 Impeller tiplets for improving gas to liquid mass transfer efficiency in a draft tube submerged turbine mixer/aerator Jun. 11, 1996
5505541 Structure for mounting an agitating apparatus for a digestion tank Apr. 9, 1996
5478147 Portable mixer for mixing ground rubber into liquid asphalt Dec. 26, 1995
5454986 Down-flow batch mixing system Oct. 3, 1995

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