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Class Information
Number: 210/264
Name: Liquid purification or separation > Particulate material type separator, e.g., ion exchange or sand bed > Selective units or compartments
Description: Apparatus comprising a plurality of compartments, and means for using and/or rehabilitating the particles in each compartment selectively.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7566396 |
Flow path switching valve and high performance liquid chromatograph using the same |
Jul. 28, 2009 |
| 7563362 |
Auto-regenerable hot and cold water softener |
Jul. 21, 2009 |
| 7563410 |
Solid phase extraction apparatus and method |
Jul. 21, 2009 |
| 7553422 |
Method and device for purifying water of nuclear installations |
Jun. 30, 2009 |
| 7517451 |
Filter for drinking water |
Apr. 14, 2009 |
| 7491322 |
Apparatus for removing phosphorus from wastewater |
Feb. 17, 2009 |
| 7445715 |
System for treating wastewater and a controlled reaction-volume module usable therein |
Nov. 4, 2008 |
| 7326349 |
Method and apparatus for purifying alcoholic liquors |
Feb. 5, 2008 |
| 7309418 |
Water contaminant indicators |
Dec. 18, 2007 |
| 7285220 |
Water softener |
Oct. 23, 2007 |
| 7267769 |
Water purification system utilizing a carbon block pre-filter |
Sep. 11, 2007 |
| 7244356 |
Autotrofic sulfur denitration chamber and calcium reactor |
Jul. 17, 2007 |
| 7160444 |
System for removing contaminants from storm water |
Jan. 9, 2007 |
| 7156992 |
Water treatment device |
Jan. 2, 2007 |
| 7153698 |
Field-deployable cartridge method and test kit for arsenic |
Dec. 26, 2006 |
| 7090771 |
Filtration system underdrain |
Aug. 15, 2006 |
| 7081200 |
Swimming pool filter |
Jul. 25, 2006 |
| 7033493 |
Method and apparatus using super absorbent polymers for dehydration of oil |
Apr. 25, 2006 |
| 7033498 |
Cartridges useful in cleaning dialysis solutions |
Apr. 25, 2006 |
| 7022229 |
Adsorption separation system |
Apr. 4, 2006 |
| 7014783 |
Flow splitting weir |
Mar. 21, 2006 |
| 6997213 |
Low cost plate assembly for rotary valve |
Feb. 14, 2006 |
| 6998046 |
Filter system and methods of operating the same |
Feb. 14, 2006 |
| 6979402 |
Miniature actual moving bed assembly |
Dec. 27, 2005 |
| 6955761 |
Multifunctional filter |
Oct. 18, 2005 |
| 6942795 |
Modular filter system and method of repairing and/or replacing components thereof |
Sep. 13, 2005 |
| 6921481 |
Automatic backwash filter system |
Jul. 26, 2005 |
| 6896797 |
Sample supply apparatus for simulated moving bed chromatographic device |
May. 24, 2005 |
| 6857392 |
Aquarium pumping and airing apparatus |
Feb. 22, 2005 |
| 6849180 |
Flow splitting weir |
Feb. 1, 2005 |
| 6821445 |
Rainwater-treating apparatus in combined sewer system and backwashing method therefor |
Nov. 23, 2004 |
| 6802970 |
Fluid treating device |
Oct. 12, 2004 |
| 6676622 |
Extracorporeal affinity adsorption methods for the treatment of atherosclerosis, cancer, degenerative and autoimmune diseases |
Jan. 13, 2004 |
| 6652750 |
Externally mounted bilge water filter and methods therefor |
Nov. 25, 2003 |
| 6616852 |
Modular filter system |
Sep. 9, 2003 |
| 6582595 |
Compact water conditioning apparatus |
Jun. 24, 2003 |
| 6579445 |
System for the production of laboratory grade ultrapure water |
Jun. 17, 2003 |
| 6551818 |
Biological filter structures |
Apr. 22, 2003 |
| 6544413 |
Simulated moving bed device |
Apr. 8, 2003 |
| 6471867 |
Electro-regenerating type apparatus for producing deionized water |
Oct. 29, 2002 |
| 6432306 |
Device for the deionization of substances that are not stable at acidic pH |
Aug. 13, 2002 |
| 6372127 |
Simulated moving bed separation system |
Apr. 16, 2002 |
| 6368510 |
Method and apparatus for the removal of arsenic from water |
Apr. 9, 2002 |
| 6312595 |
Water filtering system |
Nov. 6, 2001 |
| 6290842 |
Coagulator |
Sep. 18, 2001 |
| 6287461 |
Tandem system for adsorptive separation |
Sep. 11, 2001 |
| 6280623 |
Differential and continuous separation apparatus with controlled parameters for solids and liquids |
Aug. 28, 2001 |
| 6217545 |
Filter with varying density which is responsive to fluid flow |
Apr. 17, 2001 |
| 6190548 |
Multi-chambered treatment filter |
Feb. 20, 2001 |
| 6177005 |
System for producing ultrapure water having a TOC density of no more than 0.5 ppb |
Jan. 23, 2001 |
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