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Class Information
Number: 210/525
Name: Liquid purification or separation > Gravitational separator > Mechanical constituent mover > Scum sediment removal
Description: Apparatus which removes sediment from the tank bottom and scum at the surface.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7572370 |
Installation for the mechanical purification of liquids, and method for separating suspended matter |
Aug. 11, 2009 |
| 7547396 |
Thickener/clarifier feedwell assembly with froth dissipation |
Jun. 16, 2009 |
| 7449121 |
Method and arrangement for removal of surface scum |
Nov. 11, 2008 |
| 7364032 |
Chip discharge system |
Apr. 29, 2008 |
| 7290669 |
Upflow bioreactor having a septum and an auger and drive assembly |
Nov. 6, 2007 |
| 7258788 |
Circular clarifier apparatus and method |
Aug. 21, 2007 |
| 7234600 |
Sludge scraping and collecting apparatus |
Jun. 26, 2007 |
| 7179372 |
Methods and apparatuses for filtering water |
Feb. 20, 2007 |
| 7153419 |
Liquid treating device |
Dec. 26, 2006 |
| 6875351 |
Methods and apparatus for oil demulsification and separation of oil and suspended solids from produced water |
Apr. 5, 2005 |
| 6868974 |
Sedimentation filtration installation |
Mar. 22, 2005 |
| 6855262 |
Method and apparatus for clarifying and/or thickening a slurry |
Feb. 15, 2005 |
| 6773593 |
Continuous flow reactor wastewater treatment plant |
Aug. 10, 2004 |
| 6712222 |
Integrated scum baffle and launder cover for use in a clarifier tank |
Mar. 30, 2004 |
| 6685830 |
Process and device for separation of absorbent/floating material from product mixes by means of float/sink separation |
Feb. 3, 2004 |
| 6676833 |
Apparatus for removing grit and grease from water |
Jan. 13, 2004 |
| 6641724 |
Tangential separating device for solid matter |
Nov. 4, 2003 |
| 6551516 |
Methods for removing grit and grease from water |
Apr. 22, 2003 |
| 6500232 |
Interfacial crud removal system for solvent extraction and method for solvent extraction |
Dec. 31, 2002 |
| 6497249 |
Telescopic hose and related drive systems |
Dec. 24, 2002 |
| 6491830 |
Kitchen grease removal system |
Dec. 10, 2002 |
| 6454104 |
Clarifier with influent well scum removal |
Sep. 24, 2002 |
| 6364123 |
Device for recuperating floating materials in a sedimentation tank |
Apr. 2, 2002 |
| 6305555 |
Wear shoe for sludge collector |
Oct. 23, 2001 |
| 6279752 |
Wide rectangular clarifiers |
Aug. 28, 2001 |
| 6274044 |
Clarifier with influent well scum removal |
Aug. 14, 2001 |
| 6260716 |
Scum sweeper for surface floating matters in a clarifying tank |
Jul. 17, 2001 |
| 6238559 |
Device for separating floating layers in a liquid basin |
May. 29, 2001 |
| 6234323 |
Header for a sludge removal system |
May. 22, 2001 |
| 6199704 |
Sludge collecting apparatus |
Mar. 13, 2001 |
| 6189549 |
Waste material skimming device |
Feb. 20, 2001 |
| 6174434 |
Three zone dissolved air floatation clarifier with fixed lamellae and improved paddle-and-ramp sludge removal system |
Jan. 16, 2001 |
| 6126019 |
Sewage collector flight |
Oct. 3, 2000 |
| 6110386 |
Method for conditioning metal cutting fluids |
Aug. 29, 2000 |
| 6096198 |
Apparatus for conditioning metal cutting fluids |
Aug. 1, 2000 |
| 6073779 |
Sludge vacuum system |
Jun. 13, 2000 |
| 6068134 |
Clarifier with influent well scum removal |
May. 30, 2000 |
| 5992644 |
Plastic flight type water treatment system for rectangular clarifiers |
Nov. 30, 1999 |
| 5948277 |
Method for removing floating matter and a removing device |
Sep. 7, 1999 |
| 5942116 |
Anaerobic sludge digester |
Aug. 24, 1999 |
| 5914049 |
Method and apparatus for helical flow in a header conduit |
Jun. 22, 1999 |
| 5885458 |
Wear strip assembly for use in a waste water treatment facility |
Mar. 23, 1999 |
| 5876598 |
Water purification decant assembly |
Mar. 2, 1999 |
| 5861098 |
Apparatus and method for removing grease from drain water in restaurant operations |
Jan. 19, 1999 |
| 5830356 |
Hydraulic differential clarifier |
Nov. 3, 1998 |
| 5804062 |
Water treatment plant with clarifier and peripheral filter |
Sep. 8, 1998 |
| 5788837 |
Plastic flight type water treatment system for rectangular clarifiers |
Aug. 4, 1998 |
| 5772885 |
Sludge removal suction header |
Jun. 30, 1998 |
| 5695655 |
Longitudinal settler with flow separation |
Dec. 9, 1997 |
| RE35668 |
Sludge collection apparatus and method |
Nov. 25, 1997 |
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