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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
5122272 Drinking water supply container having a removably mounted filter device Jun. 16, 1992
5122270 Filter cartridge or filter module consisting of flexible deep filter material Jun. 16, 1992
5120437 Portable water filtration apparatus Jun. 9, 1992
5116500 Portable potable water purifier kit May. 26, 1992
5116502 Elongate housing with end cap members May. 26, 1992
5114572 Filter assembly and cartridge therefor May. 19, 1992
5114570 Water filter cartridge May. 19, 1992
5110479 Water purification systems May. 5, 1992
5108599 Low pressure liquid filter cartridge and method of making Apr. 28, 1992
5108606 Water purification device Apr. 28, 1992
5106500 Portable water purification system including a filter cleaning mechanism Apr. 21, 1992
5106501 Multi-function filter cartridge with flow distribution control Apr. 21, 1992
5102543 Improved rotatable spool valve for use with filter cartridges Apr. 7, 1992
5094747 Removal of polynuclear aromatic compounds from motor vehicle fuel Mar. 10, 1992
5094745 Coolant filter with inhibitor pack Mar. 10, 1992
5087357 Aquarium filter apparatus Feb. 11, 1992
5076922 Water-filtration apparatus Dec. 31, 1991
5076912 Ion exchange device with chamber having indicator means Dec. 31, 1991
5069782 Fluid purification systems Dec. 3, 1991
5068030 Water filtering sterilizing and heating apparatus Nov. 26, 1991
5064540 Method for using water-treating sponges Nov. 12, 1991
5063697 Smoothing iron with a demineralizing cartridge Nov. 12, 1991
5061367 Water purifying filter device Oct. 29, 1991
5059315 Aquarium water aeration and filtering system Oct. 22, 1991
5049272 Filter cartridge with vented cap Sep. 17, 1991
5049270 Filter apparatus having liquid control mechanism Sep. 17, 1991
5045195 Personal drinking water purification tube Sep. 3, 1991
5041218 Water purification set and chemicals unit therefor Aug. 20, 1991
5037547 Dual stage filter cartridge for a reverse osmosis purification system Aug. 6, 1991
5036972 Adsorbent packet with integral heat shield and method of fabrication thereof Aug. 6, 1991
5035805 Water detection and removal for instruments Jul. 30, 1991
5035798 Filtration vessel and end cap lock by a flexible rod Jul. 30, 1991
5032268 Self-contained canister unit for filtering tap water Jul. 16, 1991
5022902 Adsorbent package that is resistant to high temperature Jun. 11, 1991
5019252 Portable water purifier May. 28, 1991
5019254 Filter pad with pocket and method of using the same May. 28, 1991
5017286 Faucet-mounted water filter with wall inlet and annular chamber May. 21, 1991
5013459 Opthalmic fluid dispensing method May. 7, 1991
5008011 Shower dechlorinator using granulated copper alloy filter material Apr. 16, 1991
5006246 Baffled particulate material housing Apr. 9, 1991
5002665 Device for filtering water with filter insert Mar. 26, 1991
4999109 Filtering lid with separate inlet and outlet compartments Mar. 12, 1991
4997563 Water treatment cartridge with foam and granular material Mar. 5, 1991
4995310 Disposable filter cartridge, whether or not combined with a water reservoir Feb. 26, 1991
4995975 Unitary water cooler filter Feb. 26, 1991
4995976 Water purification straw Feb. 26, 1991
4994185 Combined heat shielding and bonding device for adsorbent packet in refrigerant receiver Feb. 19, 1991
4986901 Bottled water cap with indicator and adaptor Jan. 22, 1991
4983286 Sterilizing water-purifying reagent for drink Jan. 8, 1991
4978449 Water purifier with air-passing retainer above water inlet Dec. 18, 1990

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