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Class Information
Number: 210/497.3
Name: Liquid purification or separation > Filter > Supported, shaped or superimposed formed mediums > Cylindrical, conical, or trough shape > Conical
Description: Apparatus in the form of a cone.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8561524 Beverage brewing device Oct. 22, 2013
8337697 Multi-compartment water purification bottle having a replaceable filter Dec. 25, 2012
8313656 Wash filter with wash velocity control cone Nov. 20, 2012
8307993 Filter apparatus Nov. 13, 2012
8293116 Liquid accelerator apparatus Oct. 23, 2012
8245854 Cone shaped filter insert Aug. 21, 2012
8182702 Non-shedding strainer May. 22, 2012
8029664 Wash filter with wash velocity control cone Oct. 4, 2011
7926414 Material for a manual drip coffee cone Apr. 19, 2011
7875178 Water quality drain basin insert Jan. 25, 2011
7691274 Filter installation and method for operating one such filter installation Apr. 6, 2010
7681739 Filter device Mar. 23, 2010
7615148 Seawall filter Nov. 10, 2009
7569090 Method of forming filter arrangements; and, apparatus Aug. 4, 2009
7473359 System for straining water Jan. 6, 2009
7469504 Apparatus for filtering and selectively crushing and grinding debris as well as restraining large debris from passing therethrough Dec. 30, 2008
RE40481 Air filtration device for internal combustion engine Sep. 9, 2008
7063783 Strainer Jun. 20, 2006
7025882 Waste disposal plant for wet garbage, especially for refuse from large-scale kitchens Apr. 11, 2006
6955266 Strainer Oct. 18, 2005
6942796 Filter device for filtering a liquid Sep. 13, 2005
6939465 Fluid filter system for snow making apparatus Sep. 6, 2005
6863758 Method of assembling plastic filter element with plastic casing Mar. 8, 2005
6836963 Process for production of conical filter elements Jan. 4, 2005
6808552 Air filtration device for internal combustion engine Oct. 26, 2004
6739460 Non-contaminating paint strainer May. 25, 2004
6722508 Removable cartridge assembly for filtering bi-directional axial flow and radial flow and method of making same Apr. 20, 2004
6712964 Method of fastening filter media to flat circular support structure Mar. 30, 2004
6692639 Stacked conical filtration or separation apparatus Feb. 17, 2004
6663774 Centrifuge screen Dec. 16, 2003
6613221 Sieve filter for fluid conduits, especially for hydraulic pressure lines in internal combustion engines Sep. 2, 2003
6579456 Method and device for precipitating beverage sediment Jun. 17, 2003
6579458 Screening device Jun. 17, 2003
6568539 Renewable filter with a bypass valve May. 27, 2003
6547966 In-line basket filter for a spray spout assembly Apr. 15, 2003
6468428 Glass material for carrying a photocatalyst, filter device using the same and light irradiating method Oct. 22, 2002
6468427 Fluid filter for use in extracorporeal blood processing Oct. 22, 2002
6461506 Filter Oct. 8, 2002
6413422 Candle filter elements and method for fixing same in a pressure vessel Jul. 2, 2002
6318564 Strainer Nov. 20, 2001
6296055 Combination retrievable drilling fluid filter and wiper Oct. 2, 2001
6261079 Screen exchanging device Jul. 17, 2001
6228274 Renewable filter May. 8, 2001
6171536 Apparatus and method for melt spinning of molten polymeric material Jan. 9, 2001
6103116 Collapsible filter Aug. 15, 2000
6083392 Ribbed funnel Jul. 4, 2000
6065609 Beverage brewing kit May. 23, 2000
6030532 Solid-liquid separator and filter Feb. 29, 2000
6010458 Spirometer filter media and device Jan. 4, 2000
5916435 Conical coreless filter assembly and element Jun. 29, 1999

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