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Class Information
Number: 210/256
Name: Liquid purification or separation > Serially connected distinct treating with or without storage units > One unit inside another
Description: Apparatus in which one unit is within another.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8673145 System for treating faeces Mar. 18, 2014
8652327 Filter with main and supplemental filter elements and optional bubble breaker Feb. 18, 2014
8628664 Purification system having vertical multicompartment reactor for organic waste water Jan. 14, 2014
8623204 Stormwater gully Jan. 7, 2014
8603336 Method and device for transmitting heat between waste water located in a tank and a fluid Dec. 10, 2013
8573407 Air and contaminant isolation and removal apparatus and method Nov. 5, 2013
8518259 De-airing oxygenator for treating blood in an extracorporeal blood circuit Aug. 27, 2013
8496814 Partitioned separator water treatment system with upflow filter Jul. 30, 2013
8480887 Stormwater gully Jul. 9, 2013
8470175 Space reducing filter with supplemental fluid processing element Jun. 25, 2013
8414767 Module for purifying a fluid, in particular water Apr. 9, 2013
8388843 Integrity testable multilayered filter device Mar. 5, 2013
8333890 Filter cartridge having a filter within a filter, and an endplate sealing structure on an outer filter element Dec. 18, 2012
8308942 Filter system with removable enhancement media Nov. 13, 2012
8153008 Device and method for filtering blood Apr. 10, 2012
8128829 Cross flow filter device Mar. 6, 2012
8101077 Device for separating platelets from fluid suspensions Jan. 24, 2012
8043504 Filter cartridge Oct. 25, 2011
7998349 Integrity testable multilayered filter device Aug. 16, 2011
7992723 Filter cartridge with inlet flow diffuser Aug. 9, 2011
7981293 Method and apparatus for treatment of contaminated liquid Jul. 19, 2011
7959012 Oil-based sludge separation and treatment system Jun. 14, 2011
7935255 Filter cartridge May. 3, 2011
7866485 Apparatus and method for preparing platelet rich plasma and concentrates thereof Jan. 11, 2011
7857974 Filter cartridge with snap fit connection Dec. 28, 2010
7857973 Self cleaning pump vault for a septic tank Dec. 28, 2010
7811449 Flow equalized rotating biological contactor Oct. 12, 2010
7803279 Method of concentrating a component from a fluid Sep. 28, 2010
7749383 Filter cartridge with crush ribs Jul. 6, 2010
7524415 Effluent purifying plant with centralized structure Apr. 28, 2009
7473355 Chemical additive carrier for filter Jan. 6, 2009
7442298 High-denitrification shared type orbal oxidation ditch Oct. 28, 2008
7441665 Water purification cartridge Oct. 28, 2008
7431852 Oil/grease separator with interchangeable inlet and outlet Oct. 7, 2008
7429332 Separating constituents of a fluid mixture Sep. 30, 2008
7413656 Aerobic sewage system Aug. 19, 2008
7332094 Irradiation system and methods of treating fluids in hydrocarbon industry applications Feb. 19, 2008
7309418 Water contaminant indicators Dec. 18, 2007
7252766 Wastewater treatment system and method Aug. 7, 2007
7223343 Growth media wastewater treatment reactor May. 29, 2007
7105089 Liquid--liquid extraction system and method Sep. 12, 2006
7074339 Apparatus for separating solids from a liquid Jul. 11, 2006
7052604 Water treatment system May. 30, 2006
7049615 Portable ultraviolet water purifier May. 23, 2006
7048848 Hybrid spin-on filter May. 23, 2006
7008537 Microporous filter media, filtration systems containing same, and methods of making and using Mar. 7, 2006
7005065 Wastewater treatment system having aeration dropline-supporting clips Feb. 28, 2006
6942788 Growth media wastewater treatment reactor Sep. 13, 2005
6939463 Spa and pool filter Sep. 6, 2005
6932912 Wastewater treatment system for residential septic systems Aug. 23, 2005

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