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Class Information
Number: 366/268
Name: Agitating > Stirrer within stationary mixing chamber > Pump type > Piston > Plural
Description: Subject matter wherein there are two or more pistons for moving the material.

Patents under this class:

Patent Number Title Of Patent Date Issued
8657481 Systems and methods for mixing fluids Feb. 25, 2014
8297831 Device for producing a hardenable mass Oct. 30, 2012
8220985 Retractable pin mixing sample forming device Jul. 17, 2012
7878704 Double-chamber mixing device for viscous pharmaceutical substances Feb. 1, 2011
7575131 Multi-component delivery system Aug. 18, 2009
7296922 Method and an apparatus for processing of liquids or pastes Nov. 20, 2007
7178978 Fluid mixing apparatus and method Feb. 20, 2007
7080936 Wrap spring clutch syringe ram and frit mixer Jul. 25, 2006
7033067 Cascading orifice mixer Apr. 25, 2006
6799884 Dual chamber orifice mixer and method of use Oct. 5, 2004
6592251 Cement mixing and dispensing device Jul. 15, 2003
6234196 Mixing adaptor and system May. 22, 2001
6062722 Fluid mixing and withdrawing methods May. 16, 2000
5957166 Method and apparatus for dispersing fluid into a material Sep. 28, 1999
5908054 Fluid dispersion and delivery assembly and method Jun. 1, 1999
5823671 Apparatus and method of mixing materials in a sterile environment Oct. 20, 1998
5251978 Driving device for a vortex mixing apparatus Oct. 12, 1993
4918583 Illuminating optical device Apr. 17, 1990
4876038 Apparatus for making a post-foaming gel Oct. 24, 1989
4832500 Mixing apparatus and processes May. 23, 1989
4592657 Mixing head for producing a preferably chemically reactive mixture of two or more plastics components Jun. 3, 1986
4440500 High pressure impingement mixing apparatus Apr. 3, 1984
4350650 Method for admixing at least two liquids and feeding them to a shaping mould Sep. 21, 1982
3995530 Shaking machine Dec. 7, 1976

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