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Class Information
Number: 210/194
Name: Liquid purification or separation > Recirculation
Description: Apparatus in which at least a portion of the fluent material is circulated in a closed circuit from and back to the separator.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615158 |
Method and device for the removal of partially protein bound substances |
Nov. 10, 2009 |
| 7597801 |
Fluids fluxion method and plant for wastewater treatment |
Oct. 6, 2009 |
| 7588684 |
Systems and methods for handling air and/or flushing fluids in a fluid circuit |
Sep. 15, 2009 |
| 7585416 |
Apparatus for filtration and disinfection of sea water/ship's ballast water and a method of same |
Sep. 8, 2009 |
| 7563363 |
System for treating wastewater |
Jul. 21, 2009 |
| 7537693 |
Up-flow multi-stage anaerobic reactor (UMAR) |
May. 26, 2009 |
| 7531096 |
System and method of reducing organic contaminants in feed water |
May. 12, 2009 |
| 7531094 |
Two stage hemofiltration that generates replacement fluid |
May. 12, 2009 |
| 7531098 |
Integrated automatic blood processing unit |
May. 12, 2009 |
| 7520995 |
Dilution apparatus for a thickener |
Apr. 21, 2009 |
| 7494586 |
Treatment system for liquid concrete washout waste |
Feb. 24, 2009 |
| 7494591 |
Shear-enhanced systems and methods for removing waste materials and liquid from the blood |
Feb. 24, 2009 |
| 7488413 |
Waste water treatment plant and method |
Feb. 10, 2009 |
| 7485232 |
Water treatment method and water treatment apparatus |
Feb. 3, 2009 |
| 7485228 |
Reactor and method for anaerobic wastewater treatment |
Feb. 3, 2009 |
| 7481910 |
Method and apparatus for stabilizing plating film impurities |
Jan. 27, 2009 |
| 7470363 |
Separation device for removing microbubbles |
Dec. 30, 2008 |
| 7465394 |
Wastewater treatment system |
Dec. 16, 2008 |
| 7445707 |
Waste effluent treatment system |
Nov. 4, 2008 |
| 7442297 |
Remote water dispensing device and methods for operating such remote water dispensing devices |
Oct. 28, 2008 |
| 7442298 |
High-denitrification shared type orbal oxidation ditch |
Oct. 28, 2008 |
| 7431834 |
Waste water and sludge treatment apparatus |
Oct. 7, 2008 |
| 7396453 |
Hydraulically integrated solids/liquid separation system for wastewater treatment |
Jul. 8, 2008 |
| 7374677 |
Two stage hemofiltration that generates replacement fluid |
May. 20, 2008 |
| RE40310 |
Water purification system and method including dispensed volume sensing and control |
May. 13, 2008 |
| 7357862 |
Fluid conditioning system and method |
Apr. 15, 2008 |
| 7350961 |
Agitation mixer, pasteurizer, and cleaning device |
Apr. 1, 2008 |
| 7335296 |
System and device for processing supercritical and subcritical fluid |
Feb. 26, 2008 |
| 7332077 |
Methods for biological treatment of waste waters |
Feb. 19, 2008 |
| 7318893 |
Apparatus for offering and dispensing mineral water suitable for consumption |
Jan. 15, 2008 |
| 7314548 |
Bioventing remediation system |
Jan. 1, 2008 |
| 7309432 |
System and method for eliminating sludge via ozonation |
Dec. 18, 2007 |
| 7309433 |
Fluid bed expansion and fluidisation |
Dec. 18, 2007 |
| 7293909 |
Apparatus and method for mixing by agitation in a multichambered mixing apparatus including a pre-agitation mixing chamber |
Nov. 13, 2007 |
| 7267764 |
Apparatus for removing nitrogen |
Sep. 11, 2007 |
| 7255116 |
Stripe removal system |
Aug. 14, 2007 |
| 7244354 |
Ozone irrigator |
Jul. 17, 2007 |
| 7226538 |
Fluid processing apparatus |
Jun. 5, 2007 |
| 7214312 |
Fluid circuits, systems, and processes for extracorporeal blood processing |
May. 8, 2007 |
| 7186335 |
Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic top scum treatment |
Mar. 6, 2007 |
| 7186332 |
Orbital wastewater treatment system with combined surface aerator and submerged impeller |
Mar. 6, 2007 |
| 7179374 |
Device for shear-thinning of solids containing material |
Feb. 20, 2007 |
| 7172698 |
Anaerobic sludge digester |
Feb. 6, 2007 |
| 7172691 |
Method and system for removal of contaminants from aqueous solution |
Feb. 6, 2007 |
| 7172687 |
Wastewater treatment system |
Feb. 6, 2007 |
| 7163626 |
Device for treating a gas/liquid mixture |
Jan. 16, 2007 |
| 7160450 |
Method for removing oil, fat and grease from water |
Jan. 9, 2007 |
| 7156985 |
Bioreactor system having improved temperature control |
Jan. 2, 2007 |
| 7147781 |
Backwash system and method for waste water treatment system |
Dec. 12, 2006 |
| 7141167 |
Filter device |
Nov. 28, 2006 |
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