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Class Information
Number: 210/265
Name: Liquid purification or separation > Particulate material type separator, e.g., ion exchange or sand bed > With gravitational separator
Description: Apparatus combined with a gravitational separator.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7563366 |
System for removing BOD and suspended solids through an activated sludge process and a ballasted flocculation process |
Jul. 21, 2009 |
| 7479220 |
Plant for the removal of metals by biosorption from mining or industrial effluents |
Jan. 20, 2009 |
| 7468129 |
Oil-water separator |
Dec. 23, 2008 |
| 7449117 |
Filtration unit, installation method for a filtration unit and filtration apparatus |
Nov. 11, 2008 |
| 7371323 |
System and method for reducing wastewater contaminants |
May. 13, 2008 |
| 7311829 |
Water conversion device |
Dec. 25, 2007 |
| 7291262 |
Road surface waste water treatment device and tubular water treatment unit |
Nov. 6, 2007 |
| 7291265 |
Passive treatment of wastewater and contaminated groundwater |
Nov. 6, 2007 |
| 7166214 |
Dental amalgam separator |
Jan. 23, 2007 |
| 7157001 |
Carbon filtration process and apparatus for removing PCB's and other compounds from wastewater |
Jan. 2, 2007 |
| 7105086 |
Storm drain capture and containment device |
Sep. 12, 2006 |
| 7065863 |
Liquid splash preventing mechanism and component mounting apparatus |
Jun. 27, 2006 |
| 7014761 |
Environmentally friendly dual lube venturi filter cartridge |
Mar. 21, 2006 |
| 6998038 |
Stormwater treatment system |
Feb. 14, 2006 |
| 6991734 |
Solids retention in stormwater system |
Jan. 31, 2006 |
| 6966987 |
Tangentially fed media filter method and apparatus |
Nov. 22, 2005 |
| 6869525 |
Storm drain filter system |
Mar. 22, 2005 |
| 6821445 |
Rainwater-treating apparatus in combined sewer system and backwashing method therefor |
Nov. 23, 2004 |
| 6783683 |
Stormwater pollutant separation system and method of stormwater management |
Aug. 31, 2004 |
| 6709585 |
Purification system for wastewater coming from fruit and vegetable processing plants and phytosanitary treatments in the field |
Mar. 23, 2004 |
| 6524473 |
Gravitational separator and drainwater treatment system for use in a horizontal passageway |
Feb. 25, 2003 |
| 6495033 |
Device for separating two non-mixable liquids with different specific gravities |
Dec. 17, 2002 |
| 6461502 |
Apparatus for recovering a specific ingredient in sea water |
Oct. 8, 2002 |
| 6451173 |
Separator system |
Sep. 17, 2002 |
| 6432312 |
Closed system for rearing aquatic life |
Aug. 13, 2002 |
| 6428698 |
Coagulation precipitator |
Aug. 6, 2002 |
| 6428697 |
System for processing waste water |
Aug. 6, 2002 |
| 6358407 |
High turbidity wastewater purification system |
Mar. 19, 2002 |
| 6337016 |
Apparatus for removing noxious contaminants from drainage water |
Jan. 8, 2002 |
| 6319396 |
Clarifier cone for filtering and separating solids from solution |
Nov. 20, 2001 |
| 6299771 |
Composite adsorbent element |
Oct. 9, 2001 |
| 6290842 |
Coagulator |
Sep. 18, 2001 |
| 6217757 |
Storm drain filter with vertical screens |
Apr. 17, 2001 |
| 6217760 |
Waste water treatment system |
Apr. 17, 2001 |
| 6177004 |
Septic system filter apparatus |
Jan. 23, 2001 |
| 6132620 |
Method and apparatus for separating oil and water |
Oct. 17, 2000 |
| 6083402 |
Stormwater drain filter |
Jul. 4, 2000 |
| 6077426 |
Filter filled with loose bulk material |
Jun. 20, 2000 |
| 6024870 |
Sewage filtration system |
Feb. 15, 2000 |
| 6013180 |
Mineral filtering apparatus |
Jan. 11, 2000 |
| 5989416 |
Wastewater treatment system |
Nov. 23, 1999 |
| 5980761 |
Filter system and a cartridge containing a cellular granular material |
Nov. 9, 1999 |
| 5948266 |
Hand manipulable skimmer system for removing an oil sheen from the surface of a body of water |
Sep. 7, 1999 |
| 5906714 |
Method for treating emulsified liquids |
May. 25, 1999 |
| 5866019 |
Method for backwashing filters in a water treatment plant with clarifier and peripheral filter cells |
Feb. 2, 1999 |
| 5804062 |
Water treatment plant with clarifier and peripheral filter |
Sep. 8, 1998 |
| 5738781 |
Household waste water treatment and recycling system |
Apr. 14, 1998 |
| 5730878 |
Contaminated waste-water treatment method and device |
Mar. 24, 1998 |
| 5702609 |
Water retrieval from aqueous mixture of organic phosphates |
Dec. 30, 1997 |
| 5690827 |
Sewage treatment system using peat and a constructed wetland |
Nov. 25, 1997 |
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