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Class Information
Number: 210/130
Name: Liquid purification or separation > Flow, fluid pressure or material level, responsive > Fluid pressure responsive by-pass
Description: Apparatus comprising means responsive to pressure to bypass liquids around treatment means.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7438800 |
Arrangement for filtering hydraulic fluid |
Oct. 21, 2008 |
| 7435341 |
Pressure relief valve for filter assembly |
Oct. 14, 2008 |
| 7413089 |
Reusable cartridge oil filter |
Aug. 19, 2008 |
| 7413649 |
Treatment apparatus with modular chemical containing units having one-way valve assemblies |
Aug. 19, 2008 |
| 7410575 |
Fluid filter and cap member |
Aug. 12, 2008 |
| 7393455 |
Method and apparatus for filtering pressurized fuel |
Jul. 1, 2008 |
| 7363917 |
Filter unit and valve for a fuel supply system |
Apr. 29, 2008 |
| 7357865 |
Automatic transmission fluid filtration system |
Apr. 15, 2008 |
| 7344636 |
Separator |
Mar. 18, 2008 |
| 7329342 |
Metallic particle trap bypass filter |
Feb. 12, 2008 |
| 7326269 |
NBC filtration unit providing unfiltered and filtered air paths |
Feb. 5, 2008 |
| 7323103 |
Multifunctional shutting device for lubrication filter |
Jan. 29, 2008 |
| 7282140 |
Sump filter with filter element cartridge |
Oct. 16, 2007 |
| 7279091 |
Filter device |
Oct. 9, 2007 |
| 7252759 |
In-tank return line filter element and hydraulic reservoir with same |
Aug. 7, 2007 |
| 7217357 |
Oil filter for engines, transmissions or automatic transmissions |
May. 15, 2007 |
| 7186282 |
Motor-vehicle air cleaner |
Mar. 6, 2007 |
| 7175761 |
Fluid filter assembly |
Feb. 13, 2007 |
| 7172692 |
Filtering device |
Feb. 6, 2007 |
| 7150824 |
Method for determining when to replace a filter having a pressure relief valve |
Dec. 19, 2006 |
| 7122149 |
Apparatus and method for continuous depyrogenation and production of sterile water for injection |
Oct. 17, 2006 |
| 7097763 |
Ion exchange filter apparatus |
Aug. 29, 2006 |
| 7051904 |
Pump with integral filter for a hot melt adhesive system |
May. 30, 2006 |
| 7029575 |
Filter with a valve combination component |
Apr. 18, 2006 |
| RE38917 |
Fluid filter with filter bypass valve and sealing surface on filter element side |
Dec. 13, 2005 |
| 6972087 |
Transmission sump filter with bypass valve |
Dec. 6, 2005 |
| 6969460 |
Graywater diverter vessel assembly |
Nov. 29, 2005 |
| 6955755 |
Liquid filter comprising a valve arranged in a support tube of a filter element |
Oct. 18, 2005 |
| 6949182 |
Oil filter and method of manufacturing the oil filter |
Sep. 27, 2005 |
| 6936161 |
Fluid filter apparatus |
Aug. 30, 2005 |
| 6936162 |
Three valve filter element support for filter cartridge |
Aug. 30, 2005 |
| 6932900 |
Filter device |
Aug. 23, 2005 |
| 6929739 |
Cooling device |
Aug. 16, 2005 |
| 6913040 |
Hydraulic fluid reservoir |
Jul. 5, 2005 |
| 6875343 |
Dual direction bypass valve |
Apr. 5, 2005 |
| 6863804 |
Pre-filter device |
Mar. 8, 2005 |
| 6800194 |
Low waste liquid filter |
Oct. 5, 2004 |
| 6793808 |
Combination valve support and sealing element for filter cartridges |
Sep. 21, 2004 |
| 6758969 |
Magnetically enhanced oil filter apparatus |
Jul. 6, 2004 |
| 6746604 |
Liquid filter |
Jun. 8, 2004 |
| 6733666 |
Filtering device, especially a suction return filter |
May. 11, 2004 |
| 6723232 |
Water purification apparatus |
Apr. 20, 2004 |
| 6685829 |
Fluid filter with a discharge dome that is fixed to the housing |
Feb. 3, 2004 |
| 6668390 |
Debris recovery for drainage system |
Dec. 30, 2003 |
| 6620316 |
Modular system for putting together different sized filter elements |
Sep. 16, 2003 |
| 6613220 |
Sieve filter for fluid conduits, especially for hydraulic pressure lines in internal combustion engines |
Sep. 2, 2003 |
| 6605210 |
Hydraulic fluid filter device |
Aug. 12, 2003 |
| 6585887 |
End cap relief valve mechanism for a filter |
Jul. 1, 2003 |
| 6584777 |
Apparatus for and method of filtering a fluid |
Jul. 1, 2003 |
| 6582593 |
Transmission sump filter with bypass valve |
Jun. 24, 2003 |
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