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Class Information
Number: 210/282
Name: Liquid purification or separation > Particulate material type separator, e.g., ion exchange or sand bed > Removable cartridge or hand-manipulated container
Description: Apparatus in which separatory material is encased in a magazine type holder or container.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
7507331 Dispensing system Mar. 24, 2009
7507338 Universal water purifier unit assembly device Mar. 24, 2009
7488417 Aquarium filter assembly Feb. 10, 2009
7481929 Water treatment system Jan. 27, 2009
7479221 Catch basin filter absorber apparatus for water decontamination Jan. 20, 2009
7459079 Filter for filtering mutagens from an engine oil Dec. 2, 2008
7449117 Filtration unit, installation method for a filtration unit and filtration apparatus Nov. 11, 2008
7441665 Water purification cartridge Oct. 28, 2008
7438799 Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants Oct. 21, 2008
7429326 Water purification apparatus and system Sep. 30, 2008
7427355 Water treatment unit for bottle or pitcher Sep. 23, 2008
7425274 Aquarium filter unit Sep. 16, 2008
7422682 Compositions, devices, and methods for use in environmental remediation Sep. 9, 2008
7413663 Water treatment apparatus and method Aug. 19, 2008
7413588 High efficiency, low restriction, cost effective filter Aug. 19, 2008
7402244 Portable water filtering assembly Jul. 22, 2008
7396461 Filter cartridge for gravity-fed water treatment device Jul. 8, 2008
7390408 Shallow bed fluid treatment apparatus Jun. 24, 2008
7378018 Intersecting water conducting filter May. 27, 2008
7378015 Filtered water enhancements May. 27, 2008
7354513 Countertop water treatment unit Apr. 8, 2008
7351332 Chromatography cartridge and method for manufacturing a chromatography cartridge Apr. 1, 2008
7335299 Dual filter Feb. 26, 2008
7329348 Fuel cell system including an ion filter Feb. 12, 2008
7323104 Water filtering device Jan. 29, 2008
7316778 Staged oil filter incorporating pelletized basic conditioner Jan. 8, 2008
7316323 Filters having improved permeability and virus removal capabilities Jan. 8, 2008
7314547 Fountain solution recycling system for commercial printers Jan. 1, 2008
7311748 Air filter assembly system and method Dec. 25, 2007
7306723 Method and apparatus for water purification Dec. 11, 2007
7297263 Efficient water filters Nov. 20, 2007
7297281 Systems having nanostructured adsorption material and methods for purification of fluid Nov. 20, 2007
7297283 Container having fluid purification system Nov. 20, 2007
7294258 Device for chemically/physically treating drinking water Nov. 13, 2007
7294265 Ion adsorption module and method for water treatment Nov. 13, 2007
7294266 Filter cartridge for a water tank of a coffee machine Nov. 13, 2007
7294264 Sprayer purifier cartridge system Nov. 13, 2007
7291264 Staged oil filter incorporating additive-releasing particles Nov. 6, 2007
7276161 Water treatment apparatus Oct. 2, 2007
7267770 Cartridges Sep. 11, 2007
7261816 Ion-exchange filter Aug. 28, 2007
7258785 Apparatus for separating oil and debris from water run-off Aug. 21, 2007
7241386 Water cleaner as immersed in water tank Jul. 10, 2007
7235176 Shower head with water purification function Jun. 26, 2007
7229559 Dual-action decontamination method Jun. 12, 2007
7229552 Water purification apparatus and system Jun. 12, 2007
7208087 Dual-chamber chromatographic cartridge Apr. 24, 2007
7182863 Additive dispersing filter and method of making Feb. 27, 2007
7172694 Filter assembly Feb. 6, 2007
7160444 System for removing contaminants from storm water Jan. 9, 2007

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