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Class Information
Number: 210/321.69
Name: Liquid purification or separation > Casing divided by membrane into sections having inlet(s) and/or outlet(s) > With membrane cleaning or sterlizing means (other than by filter movement or rotating agitator)
Description: Apparatus including means providing membrane cleaning (removing accumulated undesired material) or sterilizing (destroying a pathogenic micro-organism), other than by a rotating mechanical agitator or membrane movement.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7445716 |
Crossflow pressure liquid filtration with ultrasonic enhancement |
Nov. 4, 2008 |
| 7438801 |
Compact personal water purification device |
Oct. 21, 2008 |
| 7422690 |
Filtering system |
Sep. 9, 2008 |
| 7410579 |
Manual dialyzer header cleaning device |
Aug. 12, 2008 |
| 7396462 |
Filtering device |
Jul. 8, 2008 |
| 7378024 |
Methods for improving filtration performance of hollow fiber membranes |
May. 27, 2008 |
| 7371322 |
Filtration system and dynamic fluid separation method |
May. 13, 2008 |
| 7361274 |
Aeration method |
Apr. 22, 2008 |
| 7351335 |
Filter module |
Apr. 1, 2008 |
| 7316774 |
Fluid treatment system |
Jan. 8, 2008 |
| 7300582 |
Immersed membrane apparatus |
Nov. 27, 2007 |
| 7294274 |
Filtration system with enhanced cleaning and dynamic fluid separation |
Nov. 13, 2007 |
| 7291267 |
Molecular separator |
Nov. 6, 2007 |
| 7282147 |
Cleaning hollow core membrane fibers using vibration |
Oct. 16, 2007 |
| 7276171 |
Method for cleaning separation membrane |
Oct. 2, 2007 |
| 7267771 |
Apparatus for therapeutic apheresis |
Sep. 11, 2007 |
| 7267236 |
Water treatment device |
Sep. 11, 2007 |
| 7229555 |
Low-maintenance watermaker |
Jun. 12, 2007 |
| 7160454 |
Membrane filter for water treatment |
Jan. 9, 2007 |
| 7147616 |
Method for emptying a blood circuit of an apparatus for the extracorporeal treatment of blood |
Dec. 12, 2006 |
| 7141167 |
Filter device |
Nov. 28, 2006 |
| 7125516 |
Vacuum drying process used for manufacturing dialyzer |
Oct. 24, 2006 |
| 7122121 |
Advanced submerged membrane modules, systems and processes |
Oct. 17, 2006 |
| 7108782 |
Marine vessel onboard wastewater treatment system |
Sep. 19, 2006 |
| RE39294 |
Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate |
Sep. 19, 2006 |
| 7083726 |
Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filter |
Aug. 1, 2006 |
| 7063788 |
Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes |
Jun. 20, 2006 |
| 7052610 |
Immersed membrane filtration system and overflow process |
May. 30, 2006 |
| 7025885 |
Water filtration using immersed membranes |
Apr. 11, 2006 |
| 7018533 |
High solids module |
Mar. 28, 2006 |
| 7008540 |
Ultrasonically cleaned membrane filtration system |
Mar. 7, 2006 |
| 6979404 |
Self-manifolding sheet membrane module |
Dec. 27, 2005 |
| 6969465 |
Scouring method |
Nov. 29, 2005 |
| 6926833 |
Tangential-flow filtration system |
Aug. 9, 2005 |
| 6911147 |
Water filtering module with hollow fibers |
Jun. 28, 2005 |
| 6899811 |
Immersed membrane apparatus |
May. 31, 2005 |
| 6893568 |
Immersed membrane filtration system and overflow process |
May. 17, 2005 |
| 6878282 |
System and method for withdrawing permeate through a filter and for cleaning the filter in situ |
Apr. 12, 2005 |
| 6878294 |
Running method and treatment system for spiral wound membrane element and spiral wound membrane module |
Apr. 12, 2005 |
| 6875364 |
Self-cleaning fluid filter system |
Apr. 5, 2005 |
| 6857162 |
Cleaning and/or treatment device |
Feb. 22, 2005 |
| 6843908 |
Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same |
Jan. 18, 2005 |
| 6841070 |
Apparatus and method for cleaning membrane filtration modules |
Jan. 11, 2005 |
| 6829551 |
Test device for filter systems, method for testing filter systems, and computer program therefor |
Dec. 7, 2004 |
| 6821420 |
Apparatus and method for cleaning membrane filtration modules |
Nov. 23, 2004 |
| 6773588 |
Purified water supply system |
Aug. 10, 2004 |
| 6761826 |
Pulsed blackbody radiation flux enhancement |
Jul. 13, 2004 |
| 6758975 |
Automated peritoneal dialysis system and process with in-line sterilization of dialysate |
Jul. 6, 2004 |
| 6755970 |
Back-flushable spiral wound filter and methods of making and using same |
Jun. 29, 2004 |
| 6743363 |
Method of bacteriostasis or disinfection for permselective membrane |
Jun. 1, 2004 |
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