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Class Information
Number: 210/528
Name: Liquid purification or separation > Gravitational separator > Mechanical constituent mover > Horizontally rotating scraper
Description: Apparatus comprising a scraper which rotates horizontally.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7591381 |
Cover system and method for making the same for use with a twin channel clarifier tank |
Sep. 22, 2009 |
| 7591946 |
Dual zone feedwell for a thickener |
Sep. 22, 2009 |
| 7556157 |
Density current baffle for a clarifier tank |
Jul. 7, 2009 |
| 7549441 |
Energy dissipating inlet for clarifiers |
Jun. 23, 2009 |
| 7547396 |
Thickener/clarifier feedwell assembly with froth dissipation |
Jun. 16, 2009 |
| 7527726 |
Fluid treatment apparatus |
May. 5, 2009 |
| 7473376 |
Apparatus for production, withdrawal and transfer of highly viscous slurry |
Jan. 6, 2009 |
| 7473358 |
Hinged cover for use in a clarifier tank having an inboard launder channel |
Jan. 6, 2009 |
| 7462281 |
Portable tank apparatus and method of use |
Dec. 9, 2008 |
| 7442295 |
Water purification and treatment apparatus and treatment process using the apparatus |
Oct. 28, 2008 |
| 7416662 |
Corrugated density baffle |
Aug. 26, 2008 |
| 7378027 |
Multilayer energy dissipating inlet column in center-feed clarifiers |
May. 27, 2008 |
| 7357872 |
Lift station and method |
Apr. 15, 2008 |
| 7311827 |
Portable tank apparatus and method of use |
Dec. 25, 2007 |
| 7243802 |
Inlet structure for clarifiers |
Jul. 17, 2007 |
| 7235182 |
Pulp stabilisation apparatus for a thickener |
Jun. 26, 2007 |
| 7083050 |
Method and apparatus for clarifying a slurry |
Aug. 1, 2006 |
| 7048852 |
Method and apparatus for treating water or wastewater to reduce organic and hardness contamination |
May. 23, 2006 |
| 7022226 |
Anaerobic bioreactor for the wastewater-treatment plant |
Apr. 4, 2006 |
| 7001514 |
Septic tank |
Feb. 21, 2006 |
| 6966985 |
Self-diluting feedwell including a vertical education mechanism |
Nov. 22, 2005 |
| 6899807 |
Solid and liquid separation device |
May. 31, 2005 |
| 6878280 |
Wastewater clarification methods and apparatus |
Apr. 12, 2005 |
| 6855262 |
Method and apparatus for clarifying and/or thickening a slurry |
Feb. 15, 2005 |
| 6800209 |
Energy dissipating inlet for clarifier feedwells |
Oct. 5, 2004 |
| 6736275 |
Flocculating energy dissipating well arrangement (FEDWA) |
May. 18, 2004 |
| 6712222 |
Integrated scum baffle and launder cover for use in a clarifier tank |
Mar. 30, 2004 |
| 6641724 |
Tangential separating device for solid matter |
Nov. 4, 2003 |
| 6536606 |
Sludge collector with entrapment plate |
Mar. 25, 2003 |
| 6475383 |
Rotating chemical distribution cleaning system for weirs |
Nov. 5, 2002 |
| 6467968 |
Bearing assembly in circular clarifiers and thickeners and method for replacing same |
Oct. 22, 2002 |
| 6454104 |
Clarifier with influent well scum removal |
Sep. 24, 2002 |
| 6391195 |
Apparatus for cleaning clearwater drilling muds |
May. 21, 2002 |
| 6371308 |
Multiple stationary sludge draw-off tubes in clarifiers |
Apr. 16, 2002 |
| 6352643 |
Wastewater treatment plant comprising upflow anaerobic reactor, and wastewater treatment method using thereof |
Mar. 5, 2002 |
| 6343698 |
Seismic protection system for a clarifier feedwell in a wastewater treatment system |
Feb. 5, 2002 |
| 6334952 |
Coagulating sedimentation apparatus |
Jan. 1, 2002 |
| 6309542 |
Waste water treating device |
Oct. 30, 2001 |
| 6276537 |
Enhanced flocculation and energy dissipation feedwell assembly for water and wastewater treatment clarifiers |
Aug. 21, 2001 |
| 6238559 |
Device for separating floating layers in a liquid basin |
May. 29, 2001 |
| 6216881 |
Hinged cover for use in a clarifier tank having an inboard launder channel configuration |
Apr. 17, 2001 |
| 6136207 |
Lifting mechanism assembly for a rotary drive assembly |
Oct. 24, 2000 |
| 6099743 |
Method and basin for sedimentation of sludge in waste water |
Aug. 8, 2000 |
| 6068134 |
Clarifier with influent well scum removal |
May. 30, 2000 |
| 6022475 |
Brush cleaning device |
Feb. 8, 2000 |
| 6016924 |
Apparatus for cleaning water treatment tank surfaces |
Jan. 25, 2000 |
| 5997740 |
Lifting mechanism assembly for a rotary drive assembly |
Dec. 7, 1999 |
| 5965023 |
Hinged cover for use in a clarifier tank |
Oct. 12, 1999 |
| 5954955 |
Oil-water recovering and separating apparatus |
Sep. 21, 1999 |
| 5944995 |
Clarifier feedwell |
Aug. 31, 1999 |
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