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Class Information
Number: 210/138
Name: Liquid purification or separation > With time control
Description: Apparatus in which the time at which an element of an treating means is actuated, or the length of time taken to perform an operation thereof is controlled.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7452472 |
Grease interceptor having a grease removal device |
Nov. 18, 2008 |
| 7438799 |
Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants |
Oct. 21, 2008 |
| 7435340 |
Wastewater treatment system |
Oct. 14, 2008 |
| 7410568 |
Sludge treatment |
Aug. 12, 2008 |
| 7407473 |
Centrifuge sleep mode control |
Aug. 5, 2008 |
| 7396452 |
Apparatus for determining flow rates of biological fluids |
Jul. 8, 2008 |
| 7391041 |
Germicidal UV reactor and UV lamp |
Jun. 24, 2008 |
| 7374669 |
Vacuum waste removal system |
May. 20, 2008 |
| RE40310 |
Water purification system and method including dispensed volume sensing and control |
May. 13, 2008 |
| 7335296 |
System and device for processing supercritical and subcritical fluid |
Feb. 26, 2008 |
| 7314546 |
Disinfectant system and method for the chemical treatment of wastewater |
Jan. 1, 2008 |
| 7311817 |
System and method for sanitizing and refilling a potable water system onboard a transport vehicle |
Dec. 25, 2007 |
| 7300569 |
Water treatment system |
Nov. 27, 2007 |
| 7294269 |
Organic disposer and method of controlling the same |
Nov. 13, 2007 |
| 7276169 |
Method for filtering water in an aquarium, a water cultivation tank and similar water bonds, and corresponding filtering system |
Oct. 2, 2007 |
| 7264730 |
Methods for kidney dialysis |
Sep. 4, 2007 |
| 7258781 |
Single-use long-life faucet-mounted water filtration devices |
Aug. 21, 2007 |
| 7252757 |
Faucet-mounted water filtration device including gate position sensor |
Aug. 7, 2007 |
| 7244354 |
Ozone irrigator |
Jul. 17, 2007 |
| 7235174 |
Method of sludge recycling |
Jun. 26, 2007 |
| 7192517 |
Coal-bed-methane water treatment system |
Mar. 20, 2007 |
| 7156983 |
Swimming pool backwash assembly |
Jan. 2, 2007 |
| RE39361 |
Assembly of filtering apparatus and replaceable filter; and filtering apparatus and filter for use therein |
Oct. 24, 2006 |
| 7094334 |
Water filter having a filter use time indicator |
Aug. 22, 2006 |
| 7083718 |
Waterboiler system with solids removal apparatus |
Aug. 1, 2006 |
| 7056442 |
Method and apparatus for flushing contaminants from a container of fluids |
Jun. 6, 2006 |
| 7033513 |
Method and apparatus for filtering tap changer oil |
Apr. 25, 2006 |
| 7014173 |
Cyclic aeration system for submerged membrane modules |
Mar. 21, 2006 |
| 7014779 |
Vacuum separation, transport and collection system for immiscible liquids |
Mar. 21, 2006 |
| 6984313 |
Filtration and purification system and method therefor |
Jan. 10, 2006 |
| 6964737 |
Systems for water and wastewater sludge treatment using floc or network strength |
Nov. 15, 2005 |
| 6958118 |
Self-cleaning water filtration system and method |
Oct. 25, 2005 |
| 6953523 |
Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants |
Oct. 11, 2005 |
| 6932912 |
Wastewater treatment system for residential septic systems |
Aug. 23, 2005 |
| 6929740 |
Water purification system |
Aug. 16, 2005 |
| 6926821 |
Water treatment device with volumetric and time monitoring features |
Aug. 9, 2005 |
| 6916424 |
Method and apparatus for a hemodiafiltration delivery module |
Jul. 12, 2005 |
| 6888466 |
Air filter timer |
May. 3, 2005 |
| 6884354 |
System and process for the treatment of wastewater |
Apr. 26, 2005 |
| 6852228 |
Method and apparatus for purifying untreated water |
Feb. 8, 2005 |
| 6845971 |
Sterile humidifier and method of operating same |
Jan. 25, 2005 |
| 6827847 |
System and assembly for sanitizing swimming pool water |
Dec. 7, 2004 |
| 6800195 |
Low cost grease removal system |
Oct. 5, 2004 |
| 6797156 |
Faucet water treatment |
Sep. 28, 2004 |
| 6797186 |
Fluidized solids removal with pulsation |
Sep. 28, 2004 |
| 6790367 |
Method and apparatus for separating and measuring solids from multi-phase well fluids |
Sep. 14, 2004 |
| 6773588 |
Purified water supply system |
Aug. 10, 2004 |
| 6773602 |
Manufacturing apparatus for the production of magnetized water and its method |
Aug. 10, 2004 |
| 6752921 |
Bioreactor tank internally chambered to sequentially perform biological treatment and membrane filtration |
Jun. 22, 2004 |
| 6733676 |
Dialyzing system and method of operating the same |
May. 11, 2004 |
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