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Class Information
Number: 210/283
Name: Liquid purification or separation > Particulate material type separator, e.g., ion exchange or sand bed > Pervious divider between and contacting beds
Description: Apparatus comprising plural beds separated by and each contacting pervious means therebetween.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7527738 |
Method and apparatus for oil spill containment |
May. 5, 2009 |
| 7442293 |
Oil/water separation apparatus for oil-containing mixture |
Oct. 28, 2008 |
| 7413663 |
Water treatment apparatus and method |
Aug. 19, 2008 |
| 7378018 |
Intersecting water conducting filter |
May. 27, 2008 |
| 7335299 |
Dual filter |
Feb. 26, 2008 |
| 7314551 |
Flow distribution apparatus |
Jan. 1, 2008 |
| 7294266 |
Filter cartridge for a water tank of a coffee machine |
Nov. 13, 2007 |
| 7291266 |
Composite filter and method and apparatus for producing high purity water using the composite filter |
Nov. 6, 2007 |
| 7276161 |
Water treatment apparatus |
Oct. 2, 2007 |
| 7270745 |
Liquid filtration apparatus embodying super-buoyant filtration particles |
Sep. 18, 2007 |
| 7267769 |
Water purification system utilizing a carbon block pre-filter |
Sep. 11, 2007 |
| 7261817 |
Filter module and device for static filtration of fluids with such a module |
Aug. 28, 2007 |
| 7255789 |
Method and apparatus for liquid purification |
Aug. 14, 2007 |
| 7229559 |
Dual-action decontamination method |
Jun. 12, 2007 |
| 7160452 |
Filter device |
Jan. 9, 2007 |
| 7156992 |
Water treatment device |
Jan. 2, 2007 |
| 7156995 |
Aeration tank control valve system |
Jan. 2, 2007 |
| 7060181 |
Dual density filter cartridge |
Jun. 13, 2006 |
| 7014755 |
Filtration and plug drain device for containing oil and chemical spills |
Mar. 21, 2006 |
| 6998044 |
Electrophoretic cross-flow filtration and electrodeionization: method for treating effluent waste and apparatus for use therewith |
Feb. 14, 2006 |
| 6972091 |
Ion exchange resin plant |
Dec. 6, 2005 |
| 6962652 |
Skin-care liquid preparing unit |
Nov. 8, 2005 |
| 6887379 |
Multiple use water purification device |
May. 3, 2005 |
| 6869528 |
Filtering system for runoff water |
Mar. 22, 2005 |
| 6860993 |
Pump for low flow rates |
Mar. 1, 2005 |
| 6860992 |
Reservoir water treatment |
Mar. 1, 2005 |
| 6858139 |
Methods and devices for preparing hemodialysis solutions |
Feb. 22, 2005 |
| 6797175 |
Device for injecting a diverted fluid into a simulated moving bed separation process |
Sep. 28, 2004 |
| 6790345 |
Underwater filtration operator |
Sep. 14, 2004 |
| 6767457 |
Recirculating filter |
Jul. 27, 2004 |
| 6712977 |
Liquid clarification method and apparatus |
Mar. 30, 2004 |
| 6692637 |
Dual density filter cartridge |
Feb. 17, 2004 |
| 6660160 |
Apparatus for separation of solids from a liquid |
Dec. 9, 2003 |
| 6605214 |
Devices for preparing hemodialysis solutions |
Aug. 12, 2003 |
| 6599428 |
Filter system for removing contaminants from water and method thereof |
Jul. 29, 2003 |
| 6582595 |
Compact water conditioning apparatus |
Jun. 24, 2003 |
| 6572769 |
Water treatment apparatus |
Jun. 3, 2003 |
| 6541273 |
Multiple sorbent cartridges for solid phase extraction |
Apr. 1, 2003 |
| 6521195 |
Multi-phase extraction apparatus |
Feb. 18, 2003 |
| 6475386 |
Filter for purifying domestic drinking water |
Nov. 5, 2002 |
| 6471867 |
Electro-regenerating type apparatus for producing deionized water |
Oct. 29, 2002 |
| 6454948 |
Distributor-mixer-extractor of fluids and associated process |
Sep. 24, 2002 |
| 6440307 |
Retaining filter, plant and method for treating effluents |
Aug. 27, 2002 |
| 6402959 |
Fluid distributing-collecting system process |
Jun. 11, 2002 |
| 6315897 |
Rain water run-off filtering system |
Nov. 13, 2001 |
| 6312595 |
Water filtering system |
Nov. 6, 2001 |
| 6312592 |
Clarifier for liquids laden with suspended matter |
Nov. 6, 2001 |
| 6254772 |
Backwashable filtration system |
Jul. 3, 2001 |
| 6241893 |
Water filtration media, apparatus and processes |
Jun. 5, 2001 |
| 6224764 |
Apparatus for purifying and disinfecting water |
May. 1, 2001 |
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