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Class Information
Number: 210/234
Name: Liquid purification or separation > With repair or assembling means > Removable treatment part with normally disabled flow controller
Description: Apparatus comprising a treatment part arranged to be removable and a valve in flow relationship thereto biased to close but being maintained open in normal use of the part.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7442301 |
Filter housing apparatus with rotating filter replacement mechanism |
Oct. 28, 2008 |
| 7435347 |
Filter device and parts thereof and a method for operating of the filter device |
Oct. 14, 2008 |
| 7407148 |
Rotary valve assembly for fluid filtration system |
Aug. 5, 2008 |
| 7390407 |
Liquid filter |
Jun. 24, 2008 |
| 7387725 |
One-touch fitting type single or multiple adapter, filter assembly detachably engaged with the same and water purifying system employing these elements |
Jun. 17, 2008 |
| 7378017 |
Disposable fluid separation device and manifold assembly design with easy change-out feature |
May. 27, 2008 |
| 7357867 |
Filter element for keyed latch valve |
Apr. 15, 2008 |
| 7335300 |
Fluid filter element |
Feb. 26, 2008 |
| 7326342 |
Fuel filter cartridge and keyed end cap |
Feb. 5, 2008 |
| 7264718 |
Fluid filter apparatus and method |
Sep. 4, 2007 |
| 7261815 |
Water filter for refrigerator water dispenser |
Aug. 28, 2007 |
| 7182868 |
Device for filtering fluid substances, used for a meat materials injecting machine |
Feb. 27, 2007 |
| 7150828 |
Fluid filter having drain structure and drain tool |
Dec. 19, 2006 |
| 7147773 |
Refrigerator with treated water |
Dec. 12, 2006 |
| 7141166 |
Drain structure having drainpipe and fluid filter using the same |
Nov. 28, 2006 |
| 7101412 |
Self-sealing protection filter port |
Sep. 5, 2006 |
| 7070692 |
Fuel filter with keys |
Jul. 4, 2006 |
| 7056436 |
Disposable fluid separation device and manifold assembly design with easy change-out feature |
Jun. 6, 2006 |
| 7033513 |
Method and apparatus for filtering tap changer oil |
Apr. 25, 2006 |
| 6977039 |
Fluid filter apparatus and method |
Dec. 20, 2005 |
| 6966986 |
Under the counter filter installation |
Nov. 22, 2005 |
| 6960296 |
Oil filter unit with drain valve device |
Nov. 1, 2005 |
| 6953526 |
Filter assembly |
Oct. 11, 2005 |
| 6949189 |
Keyed filter assembly |
Sep. 27, 2005 |
| 6926827 |
Fuel dispenser filter with removable filter media |
Aug. 9, 2005 |
| 6918952 |
Quick-change filter system and a base and a quick-change filter intended for such a system |
Jul. 19, 2005 |
| 6884349 |
Oval centerpost and cooperating filter cartridge |
Apr. 26, 2005 |
| 6874708 |
Automatic air-assisted manifold mounted gun |
Apr. 5, 2005 |
| 6858134 |
Fluid filtration system including replaceable filter module |
Feb. 22, 2005 |
| 6843912 |
Combined filter manifold and shut-off valve for a water purification system |
Jan. 18, 2005 |
| 6843913 |
Fuel filter with leak avoidance plug |
Jan. 18, 2005 |
| 6797156 |
Faucet water treatment |
Sep. 28, 2004 |
| 6797165 |
Modular multi-stage water filtration system |
Sep. 28, 2004 |
| 6797168 |
Keyed latch valve for fuel filter |
Sep. 28, 2004 |
| 6746603 |
Fuel filtering system with valve |
Jun. 8, 2004 |
| 6652749 |
Disposable fluid separation device and manifold assembly design with easy change-out feature |
Nov. 25, 2003 |
| 6649419 |
Method and apparatus for protein manipulation |
Nov. 18, 2003 |
| 6607661 |
Filtering apparatus |
Aug. 19, 2003 |
| 6579455 |
Filter and valve apparatus |
Jun. 17, 2003 |
| 6495042 |
Filter cartridge for a fuel filter having a keyed latch shut-off valve |
Dec. 17, 2002 |
| 6457322 |
Filter housing assembly for refrigerators |
Oct. 1, 2002 |
| 6451202 |
Point-of-use water treatment system |
Sep. 17, 2002 |
| 6360764 |
Cartridge adapter |
Mar. 26, 2002 |
| 6355177 |
Water filter cartridge replacement system for a refrigerator |
Mar. 12, 2002 |
| 6303031 |
Water filtering system with replaceable cartridge for a refrigerator |
Oct. 16, 2001 |
| 6258266 |
Faucet mount water filtration device |
Jul. 10, 2001 |
| 6248237 |
Filter assembly including an integral filter cartridge and storage pouch |
Jun. 19, 2001 |
| 6231762 |
Filtration system for septic system |
May. 15, 2001 |
| 6189513 |
Fuel transfer and conditioning unit for automotive vehicle |
Feb. 20, 2001 |
| 6113781 |
Fuel filter with dual flow |
Sep. 5, 2000 |
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