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Class Information
Number: 210/171
Name: Liquid purification or separation > Structural installation > Machinery
Description: Apparatus including means having moving parts.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7438803 |
Disposable weir liner |
Oct. 21, 2008 |
| 7354511 |
Hydraulic unit for industrial trucks |
Apr. 8, 2008 |
| 7311817 |
System and method for sanitizing and refilling a potable water system onboard a transport vehicle |
Dec. 25, 2007 |
| 7309308 |
Centrifugal oil separator in an internal combustion engine |
Dec. 18, 2007 |
| 7300575 |
Portable filter system |
Nov. 27, 2007 |
| 7217357 |
Oil filter for engines, transmissions or automatic transmissions |
May. 15, 2007 |
| 7192518 |
Liquid circuit |
Mar. 20, 2007 |
| 7175756 |
Device for treating working fluid for electric discharge machining |
Feb. 13, 2007 |
| 7160447 |
Fluid filtration system including replaceable filter module |
Jan. 9, 2007 |
| 7153419 |
Liquid treating device |
Dec. 26, 2006 |
| 7056432 |
Tank mounted oil filter assembly |
Jun. 6, 2006 |
| 7052599 |
Method and apparatus for reuse of abrasive fluid used in the manufacture of semiconductors |
May. 30, 2006 |
| 6979397 |
Dynamic particle removing flushing system |
Dec. 27, 2005 |
| 6972087 |
Transmission sump filter with bypass valve |
Dec. 6, 2005 |
| 6969459 |
Processing apparatus and an operating method thereof |
Nov. 29, 2005 |
| 6955755 |
Liquid filter comprising a valve arranged in a support tube of a filter element |
Oct. 18, 2005 |
| 6913689 |
Methods and apparatus for removing sediment from a liquid using pulses of pressurized air |
Jul. 5, 2005 |
| 6911142 |
Overhead return piping system |
Jun. 28, 2005 |
| 6881330 |
Multi-stage EDM filter |
Apr. 19, 2005 |
| 6846408 |
Filter assembly for a control valve in a vehicular brake system |
Jan. 25, 2005 |
| 6835306 |
Return-side filter for use in a vehicle transmission |
Dec. 28, 2004 |
| 6818126 |
Filter system |
Nov. 16, 2004 |
| 6811686 |
Apparatus for filtering and cooling motorcycle engine oil |
Nov. 2, 2004 |
| 6793812 |
Fluid filtration assembly combining return-side and supply-side filters for use in a vehicle transmission |
Sep. 21, 2004 |
| 6790348 |
External lubricant filter system for automatic transmissions |
Sep. 14, 2004 |
| 6787028 |
Operating substance tank, especially for a portable handheld work apparatus |
Sep. 7, 2004 |
| 6716341 |
Fluid filter assembly |
Apr. 6, 2004 |
| 6702199 |
Coolant feeding device of machine tool |
Mar. 9, 2004 |
| 6669451 |
Screen plate filter for low pressure side of automotive air conditioning compressor |
Dec. 30, 2003 |
| 6648146 |
Suction oil filter for transmissions or engines with a movable suction tube |
Nov. 18, 2003 |
| 6613221 |
Sieve filter for fluid conduits, especially for hydraulic pressure lines in internal combustion engines |
Sep. 2, 2003 |
| 6524471 |
Backwash control system for a filter unit used in a machine tool system |
Feb. 25, 2003 |
| 6514404 |
Filter device |
Feb. 4, 2003 |
| 6508944 |
Vacuum flush assist system and process for handling machining cutting fluid |
Jan. 21, 2003 |
| 6508932 |
Filter with valve having a hydrophobic coating |
Jan. 21, 2003 |
| 6495033 |
Device for separating two non-mixable liquids with different specific gravities |
Dec. 17, 2002 |
| 6495032 |
Filter arrangement |
Dec. 17, 2002 |
| 6485634 |
Filtration system for industrial coolants |
Nov. 26, 2002 |
| 6471854 |
Liquid contaminant separating system |
Oct. 29, 2002 |
| 6382887 |
Nozzle for liquid coolant in a machine tool |
May. 7, 2002 |
| 6379540 |
Method and apparatus for flushing contaminants from a container of fluids |
Apr. 30, 2002 |
| 6344138 |
Device for regenerating the cooling emulsion stagnating in the tanks of machine tools |
Feb. 5, 2002 |
| 6334950 |
Automated oil filter replacement assembly |
Jan. 1, 2002 |
| 6322694 |
Machine coolant management system |
Nov. 27, 2001 |
| 6294083 |
Sump covering filter with bypass valve |
Sep. 25, 2001 |
| 6113780 |
Mechanism for removing resinous sludge from a liquid resin vat |
Sep. 5, 2000 |
| 6110386 |
Method for conditioning metal cutting fluids |
Aug. 29, 2000 |
| 6096198 |
Apparatus for conditioning metal cutting fluids |
Aug. 1, 2000 |
| 6071047 |
Method and apparatus for feeding coolant liquid and separating and recovering it in cutting machine and grinding machine |
Jun. 6, 2000 |
| 6063269 |
Filtration apparatus for a hydraulic system |
May. 16, 2000 |
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