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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
5268093 Portable water purification system Dec. 7, 1993
5256287 Cartridge filter for faucet attachment Oct. 26, 1993
5254242 Filtration unit having means for preventing reuse of filter Oct. 19, 1993
5252203 Device for removing water from fuel tanks Oct. 12, 1993
5252206 Filtration cartridge Oct. 12, 1993
5246572 Removable demineralization cartridge Sep. 21, 1993
5246589 Repaired filtration elements for polymer manufacture Sep. 21, 1993
5245842 Receiver dryer Sep. 21, 1993
5240483 Refrigerant filter-drier for use in a refrigerant recycling device Aug. 31, 1993
5240620 Method and apparatus for filtering water Aug. 31, 1993
5238576 Ion exchange device for purifying water, process for manufacturing it and its use for removing nitrates and/or nitrates from water Aug. 24, 1993
5236582 Filter device for an aquatic tank Aug. 17, 1993
5232590 Water filtration apparatus Aug. 3, 1993
5227053 Water purification system Jul. 13, 1993
5225078 Pour-through pitcher filter Jul. 6, 1993
5223132 Water filtering apparatus Jun. 29, 1993
5221473 Filter cartridge assembly for a reverse osmosis purification system Jun. 22, 1993
5215659 Device for producing mineral-containing water for water storage vessel Jun. 1, 1993
5211973 Water treatment apparatus May. 18, 1993
5211851 Water conditioning apparatus and method for conditioning water May. 18, 1993
5201792 Accumulator for vehicle air conditioning system Apr. 13, 1993
5202027 Secondary sewage treatment system Apr. 13, 1993
5200070 Bottle water filter arrangement Apr. 6, 1993
5192436 Tap water purifier to be directly coupled to faucet pipe Mar. 9, 1993
5190653 Coffee brewer filtration device Mar. 2, 1993
5190643 Water treatment device having means to count times used and limit useage Mar. 2, 1993
5188727 Water filter unit Feb. 23, 1993
5186830 Water filtration apparatus Feb. 16, 1993
5184479 Accumulator for vehicle air conditioning system Feb. 9, 1993
5184480 Accumulator for vehicle air conditioning system Feb. 9, 1993
5182018 Protein absorbing aquarium filter element and method Jan. 26, 1993
5180491 Apparatus for removal of iron from drinking water Jan. 19, 1993
5177982 Accumulator desiccant bag retaining clip Jan. 12, 1993
5173192 Method and apparatus for filtering water Dec. 22, 1992
5169528 Filter element Dec. 8, 1992
5160038 Water purifying apparatus Nov. 3, 1992
5156335 Filtered drinking straw Oct. 20, 1992
5154823 Filter apparatus and distributor plate therefor Oct. 13, 1992
5151179 Faucet connected water filter Sep. 29, 1992
5149437 Water filter Sep. 22, 1992
RE34050 Filtering system Sep. 1, 1992
5138778 Steam iron having valved demineralizing cartridge and secondary demineralized reservoir Aug. 18, 1992
5139666 Bottle and filter Aug. 18, 1992
RE34031 Filtering system Aug. 18, 1992
5130020 Portable water filter unit having storage space for flexible tubes Jul. 14, 1992
5130018 Desiccation system with coupled tether and protective cage Jul. 14, 1992
5128034 Pressure vessel for housing a water filter Jul. 7, 1992
5128036 Water container assembly for use on a water stand Jul. 7, 1992
5126044 Iodine resin/carbon water purification system Jun. 30, 1992
5126043 Radial and axial flow filter device Jun. 30, 1992

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