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Class Information
Number: 210/289
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 > With particular liquid receiving means or foraminous bed retainer
Description: Apparatus which comprises particular means for introducing the untreated liquid to the bed of separatory material, particular means for collecting treated liquid from the bed of separatory material, or particular strainer means within the casing.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8709251 (4941 Apr. 29, 2014
8658036 Composite filtration and demineralization apparatus Feb. 25, 2014
8641906 Method and system for distributing and collecting fluids in a multi-stage column Feb. 4, 2014
8633282 Metal removing agent and metal removing filter Jan. 21, 2014
8616396 Water treatment pressure vessel having internal conical distributor plates Dec. 31, 2013
8518254 Coolant demineralizer for a fuel cell vehicle Aug. 27, 2013
8491787 Leveling hold-down mechanism for lateral screens Jul. 23, 2013
8487151 Process and apparatus for filtration and pre-distribution of gas and liquid phases in a down-flow catalytic reactor Jul. 16, 2013
8480896 Scavenging filter Jul. 9, 2013
8388841 Filter cartridge, particularly for percolating filter jugs, and method of manufacturing it Mar. 5, 2013
8388840 System for stiffening the plates of a large-diameter multi-stage column Mar. 5, 2013
8382980 Household water filter Feb. 26, 2013
8349181 Filter cartridge, in particular for purifying dental waste waters Jan. 8, 2013
8349183 Water conditioner assembly Jan. 8, 2013
8318024 System and method for distribution of fluid a multistage column Nov. 27, 2012
8293116 Liquid accelerator apparatus Oct. 23, 2012
8142650 Water treatment system Mar. 27, 2012
8123941 Sand filter and method of constructing same Feb. 28, 2012
8110103 Flow-control supports for distributor plates in composite pressure vessel assemblies Feb. 7, 2012
8092694 Secondary filtration device applicable to a three-phase process Jan. 10, 2012
8075766 Liquid filtration system Dec. 13, 2011
8069630 System and method for interlocking support blocks Dec. 6, 2011
8048301 Device for treating a fluid Nov. 1, 2011
7997041 System method for interlocking support blocks Aug. 16, 2011
7963400 Distributor plate for a composite pressure vessel Jun. 21, 2011
7947171 Cooling device for fuel cell May. 24, 2011
7922904 Upward-flow manganese contact column Apr. 12, 2011
7909992 Separation apparatus Mar. 22, 2011
7901576 Composite water treatment vessel including liquid distributor plates Mar. 8, 2011
7871528 Water filter Jan. 18, 2011
7857979 Ion exchange reactor Dec. 28, 2010
7837870 Ion-removing apparatus Nov. 23, 2010
7740754 Apparatus for purifying a liquid Jun. 22, 2010
7722772 Ion exchange apparatus and method of controlling the same May. 25, 2010
7635427 Ion exchange filter Dec. 22, 2009
7601260 Ion exchanger container for a motor vehicle Oct. 13, 2009
7513993 Filter devices including a porous body Apr. 7, 2009
7510088 Liquid filter cartridge Mar. 31, 2009
7470372 Fluid treatment device Dec. 30, 2008
7455769 Filter appliance and inner container for a filter appliance Nov. 25, 2008
7442293 Oil/water separation apparatus for oil-containing mixture Oct. 28, 2008
7410578 Underdrain apparatus and method of manufacturing same Aug. 12, 2008
7390408 Shallow bed fluid treatment apparatus Jun. 24, 2008
7378019 Filter assembly with vortex fluid distributor May. 27, 2008
7361281 High efficiency ion exchange system and method for removing chromium from water Apr. 22, 2008
7309429 Granular filtration device for water Dec. 18, 2007
7303682 Distributing or collecting device Dec. 4, 2007
7300801 Welded sample preparation articles and methods Nov. 27, 2007
7288194 Underdrain system Oct. 30, 2007
7267770 Cartridges Sep. 11, 2007

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