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Class Information
Number: 210/416.5
Name: Liquid purification or separation > Filter > With pump, gas pressure, or suction source > For lubricating or oil treating system
Description: Apparatus adapted for use in a lubricating or oil treating system.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7510662 |
Method and apparatus for flushing contaminants from a container of fluids |
Mar. 31, 2009 |
| 7476317 |
Hydrocyclone for down-hole use |
Jan. 13, 2009 |
| 7473355 |
Chemical additive carrier for filter |
Jan. 6, 2009 |
| 7459079 |
Filter for filtering mutagens from an engine oil |
Dec. 2, 2008 |
| 7417012 |
Slow release lubricant additives gel |
Aug. 26, 2008 |
| 7410569 |
Filtration system for metalworking fluids |
Aug. 12, 2008 |
| 7410572 |
Combination particulate and acid-neutralizing filter |
Aug. 12, 2008 |
| 7361271 |
Environmentally friendly dual lube venturi filter cartridge |
Apr. 22, 2008 |
| 7357865 |
Automatic transmission fluid filtration system |
Apr. 15, 2008 |
| 7354511 |
Hydraulic unit for industrial trucks |
Apr. 8, 2008 |
| 7316778 |
Staged oil filter incorporating pelletized basic conditioner |
Jan. 8, 2008 |
| 7309422 |
Fryer filtration arrangement |
Dec. 18, 2007 |
| 7294263 |
Dual transmission filter design |
Nov. 13, 2007 |
| 7291264 |
Staged oil filter incorporating additive-releasing particles |
Nov. 6, 2007 |
| 7282140 |
Sump filter with filter element cartridge |
Oct. 16, 2007 |
| 7258784 |
Solid liquid filtration apparatus and method |
Aug. 21, 2007 |
| 7258096 |
Oil filter fixing system for V type engine |
Aug. 21, 2007 |
| 7232518 |
Filter device |
Jun. 19, 2007 |
| 7182863 |
Additive dispersing filter and method of making |
Feb. 27, 2007 |
| 7179380 |
Environmentally friendly dual lube venturi filter cartridge |
Feb. 20, 2007 |
| 7179390 |
Method of filtering a fluid and remote filtering station |
Feb. 20, 2007 |
| 7160447 |
Fluid filtration system including replaceable filter module |
Jan. 9, 2007 |
| 7140698 |
Hydraulic control and operation system for a railroad car retarder |
Nov. 28, 2006 |
| 7132047 |
Combination particulate and acid-neutralizing filter |
Nov. 7, 2006 |
| 7097693 |
Combination depth and phase separation membrane filter |
Aug. 29, 2006 |
| 7090773 |
Coaxial full-flow and bypass oil filter |
Aug. 15, 2006 |
| 7087160 |
Outside-in flow engine and transmission filter and method |
Aug. 8, 2006 |
| 7083722 |
Filter manufacturing process using a combined welding and cutting step |
Aug. 1, 2006 |
| 7056432 |
Tank mounted oil filter assembly |
Jun. 6, 2006 |
| 7056442 |
Method and apparatus for flushing contaminants from a container of fluids |
Jun. 6, 2006 |
| 7052605 |
Device for purifying liquids |
May. 30, 2006 |
| 7033513 |
Method and apparatus for filtering tap changer oil |
Apr. 25, 2006 |
| 7018531 |
Additive dispensing cartridge for an oil filter, and oil filter incorporating same |
Mar. 28, 2006 |
| 7014761 |
Environmentally friendly dual lube venturi filter cartridge |
Mar. 21, 2006 |
| 7001508 |
Oil filtering device in a crankcase recess |
Feb. 21, 2006 |
| 6984319 |
Environmentally friendly acid neutralizing full flow cartridge |
Jan. 10, 2006 |
| 6972087 |
Transmission sump filter with bypass valve |
Dec. 6, 2005 |
| 6969461 |
Combination particulate and acid-neutralizing filter |
Nov. 29, 2005 |
| 6966994 |
Contamination control for engines |
Nov. 22, 2005 |
| 6932902 |
Hydraulic oil filtration apparatus |
Aug. 23, 2005 |
| 6911142 |
Overhead return piping system |
Jun. 28, 2005 |
| 6869527 |
Filter facility having flow facilitating structure |
Mar. 22, 2005 |
| 6858134 |
Fluid filtration system including replaceable filter module |
Feb. 22, 2005 |
| 6843916 |
Slow release lubricant additives gel |
Jan. 18, 2005 |
| 6814860 |
Oil strainer |
Nov. 9, 2004 |
| 6790348 |
External lubricant filter system for automatic transmissions |
Sep. 14, 2004 |
| 6787033 |
Apparatus for filtering impurities out of fluid |
Sep. 7, 2004 |
| 6746600 |
Fluid filter with integrated cooler |
Jun. 8, 2004 |
| 6746610 |
Oil system, in particular a hydraulic or lubricating oil system |
Jun. 8, 2004 |
| 6718819 |
Oil quality sensor system, method and apparatus |
Apr. 13, 2004 |
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