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Class Information
Number: 210/484
Name: Liquid purification or separation > Filter > Supported, shaped or superimposed formed mediums > Medium within foraminous supporting container or sheath
Description: Apparatus in which the filtering medium is retained within a foraminous supporting container or sheath, e.g., removable cartridges.










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

Patent Number Title Of Patent Date Issued
5403474 Curb inlet gravel sediment filter Apr. 4, 1995
5384046 Screen element Jan. 24, 1995
5354468 Sanitizing, deodorizing and cleaning units for evacuation system filter traps Oct. 11, 1994
5336405 Filter cartridge end cap assembly Aug. 9, 1994
5324429 Bilge oil absorber and solidifier Jun. 28, 1994
5290457 Filter element with regenerable bulk material filling and method for making same Mar. 1, 1994
5287985 Container for dewatering or packaging and transportation Feb. 22, 1994
5279731 Depth filter media Jan. 18, 1994
5264134 Method of filtering pollutants from storm water Nov. 23, 1993
5258118 Reusable fluid filter Nov. 2, 1993
5250179 Compactable filter and compactable filter mounting means Oct. 5, 1993
5246589 Repaired filtration elements for polymer manufacture Sep. 21, 1993
5227074 Filter for medical instrument sterilization containers and method for removing moisture and contaminants therefrom Jul. 13, 1993
5215659 Device for producing mineral-containing water for water storage vessel Jun. 1, 1993
5215660 Filter drier for refrigeration system Jun. 1, 1993
5205938 Polyester bag filter Apr. 27, 1993
5202020 Liquid filtering device for swimming pools in particular Apr. 13, 1993
5198107 Filters for heavy duty internal combustion engines Mar. 30, 1993
5198104 Apparatus for removing solid and volatile contaminants from liquids Mar. 30, 1993
5180491 Apparatus for removal of iron from drinking water Jan. 19, 1993
5180489 Filter cartridge having internal liquid trap Jan. 19, 1993
5176825 System for treating food waste by centrifugal spin drum and bag filter Jan. 5, 1993
5171437 In-tank aquarium filter Dec. 15, 1992
5169528 Filter element Dec. 8, 1992
5160704 Method and apparatus for collecting and separating particles from fluid for medical diagnosis Nov. 3, 1992
5154827 Laminated microporous fluorocarbon membrane and fluorocarbon filter cartridge using same Oct. 13, 1992
5143604 One-way guided filter pad assembly Sep. 1, 1992
5132021 In situ treatment of waste water to prevent ground water contamination Jul. 21, 1992
5130018 Desiccation system with coupled tether and protective cage Jul. 14, 1992
5112479 Oil purification unit with cyclonic reservoir section and filtration section May. 12, 1992
5107635 Gutter system Apr. 28, 1992
5102545 Tubular filter element Apr. 7, 1992
5089108 Strainer Feb. 18, 1992
5078877 Dual flow and dual stage lubricant filter assembly Jan. 7, 1992
5075000 Filter pad holder Dec. 24, 1991
5071564 Article and process for absorbing contaminating products Dec. 10, 1991
5053125 Filter cartridge Oct. 1, 1991
5043076 In situ treatment of waste water to prevent ground water contamination Aug. 27, 1991
5024764 Method of making a composite filter Jun. 18, 1991
5015375 Rechargeable filter assembly May. 14, 1991
5011602 Antibacterial material for water Apr. 30, 1991
5006238 Filter for use in a fish culturing tank Apr. 9, 1991
4966697 Fluid filter retaining device Oct. 30, 1990
4956089 Forming an end-cap on a filter cartridge Sep. 11, 1990
4948504 Filter bag carrier with filter seal profile Aug. 14, 1990
4944874 Centrifugal separator Jul. 31, 1990
4935128 Motorcycle engine lubricating oil filter apparatus Jun. 19, 1990
4923333 Lysimeter for leak detection and method of assembly thereof May. 8, 1990
H773 Coalescer filter unit drain device May. 1, 1990
4902427 Filter for removing heavy metals from drinking water Feb. 20, 1990

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