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Class Information
Number: 210/288
Name: Liquid purification or separation > Particulate material type separator, e.g., ion exchange or sand bed > Within flow line or flow line connected closed casing > Conduit through bed, inlet and outlet at same end of casing
Description: Apparatus in which all the inlets and outlets to the casing are located at the same end of the casing, one communicating with the bed by means of a conduit surrounded by the bed.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8658036 Composite filtration and demineralization apparatus Feb. 25, 2014
8349183 Water conditioner assembly Jan. 8, 2013
8268172 Waste fluid treating apparatus Sep. 18, 2012
8142651 Mass transfer tank system Mar. 27, 2012
8110103 Flow-control supports for distributor plates in composite pressure vessel assemblies Feb. 7, 2012
8048301 Device for treating a fluid Nov. 1, 2011
7901576 Composite water treatment vessel including liquid distributor plates Mar. 8, 2011
7740754 Apparatus for purifying a liquid Jun. 22, 2010
7722772 Ion exchange apparatus and method of controlling the same May. 25, 2010
7413649 Treatment apparatus with modular chemical containing units having one-way valve assemblies Aug. 19, 2008
7364654 In-home water treatment system Apr. 29, 2008
7306726 Method for treating metal-working fluid Dec. 11, 2007
7297264 Apparatus and method of water treatment with preliminary screen Nov. 20, 2007
7285220 Water softener Oct. 23, 2007
7255789 Method and apparatus for liquid purification Aug. 14, 2007
7156995 Aeration tank control valve system Jan. 2, 2007
7077272 Antibacterial member, method of preparing the same, antibacterial filter and antibacterial container Jul. 18, 2006
7014762 High capacity portable exchange single bed deionizer Mar. 21, 2006
6966980 SSF/x slow sand filter Nov. 22, 2005
6887373 Water treatment system May. 3, 2005
6863808 Modular water softener system Mar. 8, 2005
6776907 High capacity portable exchange single bed deionizer Aug. 17, 2004
6660160 Apparatus for separation of solids from a liquid Dec. 9, 2003
6627070 Apparatus for aeration in a water filter system Sep. 30, 2003
6589421 Filtering device Jul. 8, 2003
6558543 Apparatus for use in connection with removal of elements, especially exogenous antibodies, from blood or plasma May. 6, 2003
6447678 Regeneration of water treatment media Sep. 10, 2002
6398954 Multimedia backwashable filtration system Jun. 4, 2002
6387260 Filtration device for liquid purification May. 14, 2002
6383375 Water container with filter cartridge May. 7, 2002
6379560 Water purifying apparatus and method for purifying water Apr. 30, 2002
6287462 Alternate sanitizer for sand filter Sep. 11, 2001
6274038 Water purifier with adjustable volume in dwell passage Aug. 14, 2001
6254772 Backwashable filtration system Jul. 3, 2001
6231763 Regeneration of water treatment media May. 15, 2001
6132611 Dynamic action filtration system Oct. 17, 2000
6090285 Tank treatment assembly Jul. 18, 2000
6080313 Point-of-use water purification system with a cascade ion exchange option Jun. 27, 2000
6071405 Apparatus for desalting and conditioning water Jun. 6, 2000
6042729 Regeneration of water treatment media Mar. 28, 2000
6001249 Multi-stage water filter system Dec. 14, 1999
5951855 Filter and hydraulic mixing assembly for water treatment Sep. 14, 1999
5919357 Filter cartridge assembly Jul. 6, 1999
5908553 Water purifier with adjustable volume in dwell passage Jun. 1, 1999
5865998 Receiver-dryer assembly and desiccant bag therefor Feb. 2, 1999
5833850 Water filter Nov. 10, 1998
5798040 Water purification cartridge assembly with unidirectional flow through filter media Aug. 25, 1998
5772872 Portable swimming pool water treatment system Jun. 30, 1998
5762789 Disposable membrane module with low-dead volume Jun. 9, 1998
5762785 Swimming pool filter Jun. 9, 1998

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