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Class Information
Number: 210/438
Name: Liquid purification or separation > Filter > Within flow line or flow line connected close casing > Central internal liquid receiver, e.g., tube > Imperforate central liquid tube
Description: Apparatus in which the tube is imperforate at least along a substantial length thereof directing fluid axially of the filter element.


Sub-classes under this class:

Class Number Class Name Patents
210/439 Axial flow through filter element 60


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7338607 Filter canister, system containing filter canister, and their use Mar. 4, 2008
7311208 Environmentally friendly filter cartridge Dec. 25, 2007
7247245 Filtration cartridge and process for filtering a slurry Jul. 24, 2007
7153425 Process and filter for filtering a slurry Dec. 26, 2006
6989104 Fuel filter with restriction indicator, and method of using same Jan. 24, 2006
6932907 Fluid treatment elements Aug. 23, 2005
6858134 Fluid filtration system including replaceable filter module Feb. 22, 2005
6846411 Magnetic fluid filter adapter Jan. 25, 2005
6827846 Filter element change indicator handle Dec. 7, 2004
6758969 Magnetically enhanced oil filter apparatus Jul. 6, 2004
6733666 Filtering device, especially a suction return filter May. 11, 2004
6733664 Filtration device for separation of concretions, fragments or other body material from liquids May. 11, 2004
6726030 Standpipe element support for liquid filter Apr. 27, 2004
6715615 Pressure vessel Apr. 6, 2004
6709588 Filter for internal combustion engine fuels Mar. 23, 2004
6632354 Combined oil filter and magnet apparatus Oct. 14, 2003
6607665 Fuel filter element and cover assembly Aug. 19, 2003
6595371 Fluid filter assembly Jul. 22, 2003
6554140 Spin-on filter assembly Apr. 29, 2003
6533932 Device for the continuous further transport of air Mar. 18, 2003
6506302 Key system for ecological filter cartridge and element Jan. 14, 2003
6506303 Liquid filter with a replaceable filter element Jan. 14, 2003
6491818 Suction strainer with an internal core tube Dec. 10, 2002
6475379 Recharge and filter cartridge Nov. 5, 2002
6471877 Filter device for polycarbonate and production method for polycarbonate Oct. 29, 2002
6471070 Ecological fuel filter cartridge and element Oct. 29, 2002
6409916 Filter element for pool-cleaning device Jun. 25, 2002
6391193 Dual filter May. 21, 2002
6364121 Filter cartridge with grommet spring Apr. 2, 2002
6274038 Water purifier with adjustable volume in dwell passage Aug. 14, 2001
6270659 Fuel filtering system for an engine Aug. 7, 2001
6264833 Coolant filter assembly for a vehicle Jul. 24, 2001
6264831 Integrated fuel filter and fuel pump assembly Jul. 24, 2001
6235194 Recharge and filter assembly with replaceable cartridge May. 22, 2001
6217755 In-tank fluid filter with valve assembly Apr. 17, 2001
6187188 Filter cartridge retention system Feb. 13, 2001
6174438 Dual pass fuel filter assembly and element therefor Jan. 16, 2001
6171491 Fuel filter assembly with standpipe having valve element Jan. 9, 2001
6113781 Fuel filter with dual flow Sep. 5, 2000
6085915 Back-washable spin-on oil filter Jul. 11, 2000
6053334 Fuel filter with valve device Apr. 25, 2000
6048455 Filter assembly with conformal cartridge support structure Apr. 11, 2000
6045693 Spin-on filter assembly Apr. 4, 2000
6015492 Fuel filter assembly with replaceable element Jan. 18, 2000
5997739 Fuel/water separator Dec. 7, 1999
5992643 In line fluid filter assembly Nov. 30, 1999
5985144 Reverse flow cartridge Nov. 16, 1999
5972210 Bypass-mounted filter assembly Oct. 26, 1999
5951862 Filter Sep. 14, 1999
5908553 Water purifier with adjustable volume in dwell passage Jun. 1, 1999

1 2 3


 
 
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