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Class Information
Number: 210/343
Name: Liquid purification or separation > Plural distinct separators > Filters > Alternating oppositely opening liquid distributors
Description: Apparatus in which the units alternate with liquid receivers, alternate receivers acting respectively as liquid inlet and discharge means, at least one of a pair of liquid receivers separating one filter medium from another and contacting the separated filter mediums on opposite faces.

Patents under this class:

Patent Number Title Of Patent Date Issued
8361320 Biological fluid filtration apparatus Jan. 29, 2013
8114287 Surface purveyed filtration device Feb. 14, 2012
7857969 Filter module Dec. 28, 2010
7854845 Biological fluid filtration apparatus Dec. 21, 2010
7429324 Device for in-line preparation of liquid for an extracorporeal blood treatment apparatus Sep. 30, 2008
7306727 Disposable tangential flow filtration device holder Dec. 11, 2007
7261817 Filter module and device for static filtration of fluids with such a module Aug. 28, 2007
6662636 Method of reducing fouling in filters for industrial water system analytical devices Dec. 16, 2003
6355170 Dual manifold filtering system Mar. 12, 2002
5762793 Filter apparatus for waste water discharge system Jun. 9, 1998
5160433 Laboratory scale ultrafiltration apparatus Nov. 3, 1992
4997565 Laboratory scale ultrafiltration apparatus Mar. 5, 1991
4631130 Plasma separator Dec. 23, 1986
4543184 Cake filtration apparatus Sep. 24, 1985
4334994 Disposable fluid filters Jun. 15, 1982

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