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Class Information
Number: 210/335
Name: Liquid purification or separation > Plural distinct separators > Filters > In series for prefilt flow
Description: Apparatus which are in series.










Sub-classes under this class:

Class Number Class Name Patents
210/339 Internal flange supporting filter element 46
210/337 Nested units 60
210/336 Tortuous path 72


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8678202 Modular filter elements for use in a filter-in-filter cartridge Mar. 25, 2014
8679338 Combined acoustic micro filtration and phononic crystal membrane particle separation Mar. 25, 2014
8673149 Liquid filter assembly Mar. 18, 2014
8673208 Process and equipment for the production of direct reduced iron and/or pig iron from iron ores having a high-phosphorus content Mar. 18, 2014
8661972 Screw separator Mar. 4, 2014
8652327 Filter with main and supplemental filter elements and optional bubble breaker Feb. 18, 2014
8641901 Filter structure Feb. 4, 2014
8590712 Modular filter elements for use in a filter-in-filter cartridge Nov. 26, 2013
8580560 Cap with filter and transfer apparatus Nov. 12, 2013
8568589 Connection member and separation membrane module using the same Oct. 29, 2013
8551338 Wafer-shaped hollow fiber module for in-line use in a piping system Oct. 8, 2013
8524090 Blood processing filter Sep. 3, 2013
8518255 Water purifier Aug. 27, 2013
8517185 Two stage fuel water separator and particulate filter utilizing pleated nanofiber filter material Aug. 27, 2013
8506797 Downstream bioprocessing device Aug. 13, 2013
8501016 Storm water pretreatment chamber Aug. 6, 2013
8496120 Filter network Jul. 30, 2013
8496833 Leukocyte removal method Jul. 30, 2013
8491791 Fluidics device Jul. 23, 2013
8470175 Space reducing filter with supplemental fluid processing element Jun. 25, 2013
8425771 Double chamber water purification device Apr. 23, 2013
8414767 Module for purifying a fluid, in particular water Apr. 9, 2013
8404118 Filter unit with filter bank Mar. 26, 2013
8398854 Filter system Mar. 19, 2013
8394268 Double chamber water purification device Mar. 12, 2013
8388840 System for stiffening the plates of a large-diameter multi-stage column Mar. 5, 2013
8388843 Integrity testable multilayered filter device Mar. 5, 2013
8365924 Systems and methods for filtering fuel Feb. 5, 2013
8361320 Biological fluid filtration apparatus Jan. 29, 2013
8354026 Center tube configuration for a multiple spiral wound forward osmosis element Jan. 15, 2013
8337700 High capacity biological fluid filtration apparatus Dec. 25, 2012
8333890 Filter cartridge having a filter within a filter, and an endplate sealing structure on an outer filter element Dec. 18, 2012
8317035 Debris filter Nov. 27, 2012
8318011 Portable drinking water purification device Nov. 27, 2012
8318014 Reactor comprising a stack of filter plates Nov. 27, 2012
8318022 Wafer-shaped hollow fiber module for in-line use in a piping system Nov. 27, 2012
8298420 Drainless reverse osmosis water purification system Oct. 30, 2012
8287731 Fluid tank with kidney-loop filtration system Oct. 16, 2012
8257591 Methodology for filtering a fluid using a plurality of surface filtration mediums Sep. 4, 2012
8246832 Fluidics device Aug. 21, 2012
8226827 Filtration assemblies and methods of installing filtration units in filtration assemblies Jul. 24, 2012
8221625 Process for producing polyolefin resin composition and filter device for use in this process Jul. 17, 2012
8216462 Portable drinking water purification device Jul. 10, 2012
8192623 Filter structure Jun. 5, 2012
8182685 Effluent filter cartridge with progressive filtration May. 22, 2012
8158001 Wafer-shaped hollow fiber module for in-line use in a piping system Apr. 17, 2012
8142668 Method for selective partition capacity based filtering Mar. 27, 2012
8137552 Device for treating and purifying a liquid product Mar. 20, 2012
8097155 Above ground water clarifier Jan. 17, 2012
8075774 Effluent filter cartridge with progressive filtration Dec. 13, 2011

1 2 3 4 5 6 7










 
 
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