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Class Information
Number: 210/284
Name: Liquid purification or separation > Particulate material type separator, e.g., ion exchange or sand bed > Spaced beds
Description: Apparatus which comprises a plurality of beds of particulate material which are spaced from each other.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7625487 |
Adsorbent bed and water treatment method of use |
Dec. 1, 2009 |
| 7588686 |
Dual porosity filter |
Sep. 15, 2009 |
| 7527727 |
Adsorption system |
May. 5, 2009 |
| 7527738 |
Method and apparatus for oil spill containment |
May. 5, 2009 |
| 7479221 |
Catch basin filter absorber apparatus for water decontamination |
Jan. 20, 2009 |
| 7479220 |
Plant for the removal of metals by biosorption from mining or industrial effluents |
Jan. 20, 2009 |
| 7476311 |
Arsenic removal from aqueous media using chemically treated zeolite materials |
Jan. 13, 2009 |
| 7455769 |
Filter appliance and inner container for a filter appliance |
Nov. 25, 2008 |
| 7442293 |
Oil/water separation apparatus for oil-containing mixture |
Oct. 28, 2008 |
| 7427352 |
Fluid purifier having magnetic field generation |
Sep. 23, 2008 |
| 7413663 |
Water treatment apparatus and method |
Aug. 19, 2008 |
| 7413649 |
Treatment apparatus with modular chemical containing units having one-way valve assemblies |
Aug. 19, 2008 |
| 7387729 |
Filter cartridge for a standalone point of use water purification device |
Jun. 17, 2008 |
| 7361281 |
High efficiency ion exchange system and method for removing chromium from water |
Apr. 22, 2008 |
| 7335299 |
Dual filter |
Feb. 26, 2008 |
| 7314551 |
Flow distribution apparatus |
Jan. 1, 2008 |
| 7309436 |
Process for removing perchlorate ions from water streams |
Dec. 18, 2007 |
| 7294266 |
Filter cartridge for a water tank of a coffee machine |
Nov. 13, 2007 |
| 7294265 |
Ion adsorption module and method for water treatment |
Nov. 13, 2007 |
| 7291266 |
Composite filter and method and apparatus for producing high purity water using the composite filter |
Nov. 6, 2007 |
| 7285220 |
Water softener |
Oct. 23, 2007 |
| 7270745 |
Liquid filtration apparatus embodying super-buoyant filtration particles |
Sep. 18, 2007 |
| 7261817 |
Filter module and device for static filtration of fluids with such a module |
Aug. 28, 2007 |
| 7261811 |
Liquid-solid circulating fluidized bed waste water treatment system for simultaneous carbon, nitrogen and phosphorus removal |
Aug. 28, 2007 |
| 7258798 |
Potable water treatment plant and method of maintaining same |
Aug. 21, 2007 |
| 7229550 |
Potable water treatment system and apparatus |
Jun. 12, 2007 |
| 7160465 |
Materials for removing toxic metals from wastewater |
Jan. 9, 2007 |
| 7156992 |
Water treatment device |
Jan. 2, 2007 |
| 7118804 |
Pelletized chromotography media |
Oct. 10, 2006 |
| 7094342 |
Water activation device |
Aug. 22, 2006 |
| 7090771 |
Filtration system underdrain |
Aug. 15, 2006 |
| 7045057 |
Preparation of homogeneously loaded ion exchangers |
May. 16, 2006 |
| 7033498 |
Cartridges useful in cleaning dialysis solutions |
Apr. 25, 2006 |
| 7025884 |
Method and apparatus for treatment of a fluid system |
Apr. 11, 2006 |
| 7025887 |
Sand filter treatment facility and method for removing toxic metals from storm water |
Apr. 11, 2006 |
| 7022229 |
Adsorption separation system |
Apr. 4, 2006 |
| 7014755 |
Filtration and plug drain device for containing oil and chemical spills |
Mar. 21, 2006 |
| 7005060 |
Upflow surface water runoff filtration system |
Feb. 28, 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 |
| 6953525 |
Potable water treatment plant and method of maintaining same |
Oct. 11, 2005 |
| 6926835 |
Water softening device |
Aug. 9, 2005 |
| 6921481 |
Automatic backwash filter system |
Jul. 26, 2005 |
| 6921477 |
Groundwater treatment system and method |
Jul. 26, 2005 |
| 6919020 |
Distributor/collector system |
Jul. 19, 2005 |
| 6872308 |
Condensate polisher with deep cation bed and powdered resin bed |
Mar. 29, 2005 |
| 6863808 |
Modular water softener system |
Mar. 8, 2005 |
| 6860992 |
Reservoir water treatment |
Mar. 1, 2005 |
| 6858139 |
Methods and devices for preparing hemodialysis solutions |
Feb. 22, 2005 |
| 6843920 |
Ion exchange system using U-tube principle |
Jan. 18, 2005 |
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