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Class Information
Number: 210/106
Name: Liquid purification or separation > Flow, fluid pressure or material level, responsive > Filter cleaning
Description: Apparatus relating to means to rehabilitate or clean a filter medium.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7404904 |
Method and apparatus to clean particulate matter from a toxic fluid |
Jul. 29, 2008 |
| 7381335 |
Method and arrangement for continuous filtering of particles out of a liquid |
Jun. 3, 2008 |
| 7374668 |
Valve automated in-situ cleaning system for oil water separator |
May. 20, 2008 |
| 7316774 |
Fluid treatment system |
Jan. 8, 2008 |
| 7303666 |
Water filtration system |
Dec. 4, 2007 |
| 7294274 |
Filtration system with enhanced cleaning and dynamic fluid separation |
Nov. 13, 2007 |
| 7229562 |
Integrated dual cross flow filtration and ultrasonic transducer assembly |
Jun. 12, 2007 |
| 7214311 |
Filter cartridge with check valve protection |
May. 8, 2007 |
| 7144500 |
Variable speed waste removal system |
Dec. 5, 2006 |
| 7101475 |
Autonomously navigating solar swimming pool skimmer |
Sep. 5, 2006 |
| 7001506 |
Self-cleaning circulatin system and method |
Feb. 21, 2006 |
| 6984313 |
Filtration and purification system and method therefor |
Jan. 10, 2006 |
| 6899807 |
Solid and liquid separation device |
May. 31, 2005 |
| 6878294 |
Running method and treatment system for spiral wound membrane element and spiral wound membrane module |
Apr. 12, 2005 |
| 6830679 |
Filtration device |
Dec. 14, 2004 |
| 6814864 |
Extra-corporeal blood purification device |
Nov. 9, 2004 |
| 6797158 |
Method and apparatus for acoustically driven media filtration |
Sep. 28, 2004 |
| 6773588 |
Purified water supply system |
Aug. 10, 2004 |
| 6649048 |
Filter cartridge with regulated surface cleaning mechanism |
Nov. 18, 2003 |
| 6468421 |
Bag filter wash-down system with vacuum break pulse |
Oct. 22, 2002 |
| 6443312 |
Self-cleaning filter |
Sep. 3, 2002 |
| 6406454 |
Surgical suction probe system with an easily cleaned internal filter |
Jun. 18, 2002 |
| 6394113 |
Method and apparatus for cleaning filters |
May. 28, 2002 |
| 6383368 |
Method for pretreatment of refinery feed for desalting the feedstock, and related additive |
May. 7, 2002 |
| 6375847 |
Method for operating a cross-flow filtration installation |
Apr. 23, 2002 |
| 6251294 |
Ultrasonic filter regenerating apparatus and method |
Jun. 26, 2001 |
| 6241879 |
Filtering machine and filter cloth therefor |
Jun. 5, 2001 |
| 6241878 |
Self-purging in-line filter |
Jun. 5, 2001 |
| 6241880 |
Self-cleaning faucet filter |
Jun. 5, 2001 |
| 6221255 |
Ultrasound-assisted filtration system |
Apr. 24, 2001 |
| 6217753 |
Apparatus for regulating flow of water into water purifier responsive to downstream pressure sensor |
Apr. 17, 2001 |
| 6214214 |
Water treatment system with purge valve responsive to fluid signals |
Apr. 10, 2001 |
| 6203714 |
Device for filtering a liquid and method for disinfecting such a device |
Mar. 20, 2001 |
| 6159359 |
Modular filter apparatus |
Dec. 12, 2000 |
| 6139724 |
Procedure and device for filtration of fluids using MF modules |
Oct. 31, 2000 |
| 6099733 |
Water treatment system |
Aug. 8, 2000 |
| 6074551 |
Automatic cleaning system for a reverse osmosis unit in a high purity water treatment system |
Jun. 13, 2000 |
| 6030525 |
Cost-orientated control of a regenerable filter |
Feb. 29, 2000 |
| 6009404 |
Method and device for cost-orientated operation of a conditioning device particularly a filter |
Dec. 28, 1999 |
| 6001242 |
Apparatus and method for high volume pipeline water filtration |
Dec. 14, 1999 |
| 5922208 |
Filter device |
Jul. 13, 1999 |
| 5902477 |
Combined sewer overflow and storm water diverter screen |
May. 11, 1999 |
| 5888401 |
Method and apparatus for reducing membrane fouling |
Mar. 30, 1999 |
| 5876612 |
Method and apparatus for cleaning filter material in a filter apparatus |
Mar. 2, 1999 |
| 5871652 |
Method for high volume pipeline water filtration |
Feb. 16, 1999 |
| 5832717 |
Fuel injection supply circuit for providing a metered decontaminated flow of fuel to the fuel injectors |
Nov. 10, 1998 |
| 5833766 |
Method and conditioning system for regenerating replacement filters |
Nov. 10, 1998 |
| 5804072 |
Water filter with strainer scraping means |
Sep. 8, 1998 |
| 5690830 |
Waste water treatment apparatus and washing method thereof |
Nov. 25, 1997 |
| 5674403 |
Backwash retention device and method |
Oct. 7, 1997 |
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