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Class Information
Number: 210/744
Name: Liquid purification or separation > Processes > Including controlling process in response to a sensed condition > Level sensing
Description: Process in which the height of a material, either absolute or relative to the height of another material is determined and used as the basis for response by the actuating means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7368060 |
Apparatuses and methods for detecting contaminant in a fuel system |
May. 6, 2008 |
| 7364661 |
Method and device for separating a mixture of fluids |
Apr. 29, 2008 |
| 7347945 |
Method and an installation for separating out multiphase effluents |
Mar. 25, 2008 |
| 7314509 |
Gas liquid phase separator with improved pressure control |
Jan. 1, 2008 |
| 7303667 |
Blood dialysis apparatus having convenient controlling unit |
Dec. 4, 2007 |
| 7273560 |
Apparatus for condensing and recycling stripper |
Sep. 25, 2007 |
| 7270755 |
Liquid filtration method embodying superbuoyant filtration particles |
Sep. 18, 2007 |
| 7264006 |
Ozonated water flow and concentration control apparatus and method |
Sep. 4, 2007 |
| 7247243 |
Method and device for detecting an accumulation of sand in a separator vessel |
Jul. 24, 2007 |
| 7241378 |
Hemodialysis apparatus |
Jul. 10, 2007 |
| 7204930 |
Water purification system and method |
Apr. 17, 2007 |
| 7172704 |
Method for treating waste water |
Feb. 6, 2007 |
| 7153436 |
Method for enhancing cyclonic vessel efficiency with polymeric additives |
Dec. 26, 2006 |
| 7125393 |
Device for carrying fluids for a medical treatment device |
Oct. 24, 2006 |
| 7118677 |
Method and apparatus for processing and re-using of gray water for flushing toilets |
Oct. 10, 2006 |
| 7074338 |
Filtering method and filtering device |
Jul. 11, 2006 |
| 7074337 |
Methods and apparatuses for filtering water |
Jul. 11, 2006 |
| 7060189 |
Method and apparatus for recycling wash chemicals |
Jun. 13, 2006 |
| 7052612 |
Skimmer and filter |
May. 30, 2006 |
| 7045065 |
Method of removing radioactive antimony from waste streams |
May. 16, 2006 |
| 7034193 |
Method for purifying spent acid |
Apr. 25, 2006 |
| 7025888 |
Floating decanter |
Apr. 11, 2006 |
| 7017663 |
System for producing de-watered oil |
Mar. 28, 2006 |
| 7014779 |
Vacuum separation, transport and collection system for immiscible liquids |
Mar. 21, 2006 |
| 6955763 |
Dual-cell mechanical flotation system |
Oct. 18, 2005 |
| 6951615 |
Grease removal system |
Oct. 4, 2005 |
| 6932910 |
Method and apparatus for recycling wash chemicals used in powder coating |
Aug. 23, 2005 |
| 6905607 |
Method for utilizing rainwater collected at buildings |
Jun. 14, 2005 |
| 6899666 |
Blood processing systems and methods |
May. 31, 2005 |
| 6896818 |
Water filtration and recycling for stone fabrication equipment |
May. 24, 2005 |
| 6893572 |
Solids accumulating flotation separator |
May. 17, 2005 |
| 6887383 |
Method for subsurface aerated treatment of wastewater |
May. 3, 2005 |
| 6878105 |
Red blood cell processing systems and methods with deliberate under spill of red blood cells |
Apr. 12, 2005 |
| 6846407 |
Method and apparatus for recovery of waste water |
Jan. 25, 2005 |
| 6818799 |
Process for removing tar from spent acid |
Nov. 16, 2004 |
| 6814874 |
Claricone sludge level control system |
Nov. 9, 2004 |
| 6808637 |
System for producing ozone water and control method thereof |
Oct. 26, 2004 |
| 6802975 |
Method for biological effluent treatment |
Oct. 12, 2004 |
| 6790367 |
Method and apparatus for separating and measuring solids from multi-phase well fluids |
Sep. 14, 2004 |
| 6773605 |
Method and system for controlling a separator unit for multiphase separation of fluids |
Aug. 10, 2004 |
| 6770206 |
Method and apparatus for handling liquid waste in a wet-well |
Aug. 3, 2004 |
| 6746612 |
Water recycling system and method |
Jun. 8, 2004 |
| 6699445 |
Integrated column for liquid-liquid contacting |
Mar. 2, 2004 |
| 6682654 |
Sludge recovery apparatus and method |
Jan. 27, 2004 |
| 6676841 |
Water-in-fuel abuse detection |
Jan. 13, 2004 |
| 6660168 |
Feeder and method for preparing aqueous solutions containing high concentrations of solid oxidizers |
Dec. 9, 2003 |
| 6645387 |
Separator device |
Nov. 11, 2003 |
| 6638433 |
System and method for controlling water-only cyclones |
Oct. 28, 2003 |
| 6638478 |
Synchronized volumetric fluid balancing systems and methods |
Oct. 28, 2003 |
| 6638477 |
Fluid replacement systems and methods for use in hemofiltration |
Oct. 28, 2003 |
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