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Class Information
Number: 210/263
Name: Liquid purification or separation > Particulate material type separator, e.g., ion exchange or sand bed
Description: Apparatus comprising a bed of discrete particles each capable of movement within the bed and readily separable from each other.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7582474 |
Process reactor with layered packed bed |
Sep. 1, 2009 |
| 7578938 |
Filtering medium and use of the said filtering medium for pollution removal from lagoons |
Aug. 25, 2009 |
| 7553412 |
Method for continuous on-site monitoring and treatment of water |
Jun. 30, 2009 |
| 7553407 |
Portable water quality monitoring and treatment system |
Jun. 30, 2009 |
| 7553410 |
Septage treatment system |
Jun. 30, 2009 |
| 7527733 |
Chelating agents for heavy metal removal |
May. 5, 2009 |
| 7514004 |
In-tank recirculating arsenic treatment system |
Apr. 7, 2009 |
| 7487876 |
Particles with silver carried and producing method thereof |
Feb. 10, 2009 |
| 7485225 |
Composite adsorbent block for the treatment of contaminated fluids |
Feb. 3, 2009 |
| 7481929 |
Water treatment system |
Jan. 27, 2009 |
| 7479220 |
Plant for the removal of metals by biosorption from mining or industrial effluents |
Jan. 20, 2009 |
| 7470366 |
Water purification system and method using reverse osmosis reject stream in an electrodeionization unit |
Dec. 30, 2008 |
| 7449108 |
Apparatus for improving the characteristics of wetting water in offset printing |
Nov. 11, 2008 |
| 7445715 |
System for treating wastewater and a controlled reaction-volume module usable therein |
Nov. 4, 2008 |
| 7431835 |
Portable water quality monitoring and treatment system |
Oct. 7, 2008 |
| 7422691 |
Method and apparatus for the demineralization of water |
Sep. 9, 2008 |
| 7419591 |
Filter cartridge with check valve protection |
Sep. 2, 2008 |
| 7402246 |
Systems and methods using multiple solvents for the removal of lipids from fluids |
Jul. 22, 2008 |
| 7371323 |
System and method for reducing wastewater contaminants |
May. 13, 2008 |
| 7341661 |
Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases |
Mar. 11, 2008 |
| 7338603 |
Process using rare earths to remove oxyanions from aqueous streams |
Mar. 4, 2008 |
| 7335299 |
Dual filter |
Feb. 26, 2008 |
| 7332080 |
Apparatus for salt free water softening |
Feb. 19, 2008 |
| 7329348 |
Fuel cell system including an ion filter |
Feb. 12, 2008 |
| 7311840 |
Inorganic ion exchangers for removing contaminant metal ions from liquid streams |
Dec. 25, 2007 |
| 7311847 |
System and method for point-of-use filtration and purification of fluids used in substrate processing |
Dec. 25, 2007 |
| 7309425 |
Apparatus for the preparation of arsenic free water |
Dec. 18, 2007 |
| 7303683 |
Microorganism-removing filter medium having high isoelectric material and low melt index binder |
Dec. 4, 2007 |
| 7300569 |
Water treatment system |
Nov. 27, 2007 |
| 7300801 |
Welded sample preparation articles and methods |
Nov. 27, 2007 |
| 7297260 |
System and devices for collecting and treating waste water from engine washing |
Nov. 20, 2007 |
| 7297261 |
Systems and methods using a solvent for the removal of lipids from fluids |
Nov. 20, 2007 |
| 7297262 |
Hollow fiber contactor systems for removal of lipids from fluids |
Nov. 20, 2007 |
| 7291850 |
Lithographic apparatus and device manufacturing method |
Nov. 6, 2007 |
| 7276160 |
Method and apparatus for metal removal by ion exchange |
Oct. 2, 2007 |
| 7264719 |
Particles with silver carried and producing method thereof |
Sep. 4, 2007 |
| 7264714 |
Protein skimmer |
Sep. 4, 2007 |
| 7235174 |
Method of sludge recycling |
Jun. 26, 2007 |
| 7229559 |
Dual-action decontamination method |
Jun. 12, 2007 |
| 7214311 |
Filter cartridge with check valve protection |
May. 8, 2007 |
| 7211320 |
Purification of fluids with nanomaterials |
May. 1, 2007 |
| 7195710 |
Systems and methods using multiple solvents for the removal of lipids from fluids |
Mar. 27, 2007 |
| 7169297 |
pH adjuster-based system for treating liquids |
Jan. 30, 2007 |
| 7166214 |
Dental amalgam separator |
Jan. 23, 2007 |
| 7163631 |
Process for treating wastewater containing peracetic acid |
Jan. 16, 2007 |
| 7160444 |
System for removing contaminants from storm water |
Jan. 9, 2007 |
| 7160465 |
Materials for removing toxic metals from wastewater |
Jan. 9, 2007 |
| 7156992 |
Water treatment device |
Jan. 2, 2007 |
| 7153420 |
Water purification by polymer colloids |
Dec. 26, 2006 |
| 7153416 |
Apparatus for removing radioactive antimony from waste streams |
Dec. 26, 2006 |
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