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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:
Patents under this class:
| 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 |
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