US 6,475,383 B2Granted

Rotating chemical distribution cleaning system for weirs

OwnerFranklin D. Deskinsinventor

Life of this patent

Estimating the term…

Abstract

A means for controlling/eliminating algae or other biological growth in the weir of a clarifier of waste water.

Claims7

Dependent claims

A rotating chemical cleaning system for a waste water clarifier mounted in a circular tank, the clarifier having a circular weir mounted on top edge of the circular tank, the weir having an outflow surface, rotatable means for supplying to an aqueous chemical solution to the weir and the outflow surface of the weir.

Dependencies are inferred from the claim text.

Facts

Application: 09/757,572Filed 11 Jan 2001 · us provisional application
Priority: 13 Jan 2000
Published: US 2001/0040129 A115 Nov 2001
Granted: 5 Nov 2002
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

B01D 21/0042
Settling tanks provided with contact surfaces, e.g. baffles, particles: baffles or guide plates
B01D 21/0006
Separation of suspended solid particles from liquids by sedimentation: settling tanks provided with means for cleaning and maintenance
B01D 21/2405
Feed or discharge mechanisms for settling tanks: feed mechanisms for settling tanks
B01D 21/2438
Discharge mechanisms for floating particles: provided with scrapers on the liquid surface for removing floating particles

Family

Application60/175,907Us provisional application · filed 13 Jan 2000
Application60/188,202Us provisional application · filed 10 Mar 2000
US 2001/0040129 A1Pre-grant publication · published 15 Nov 2001
US 6,475,383 B2This patent

From the US filing history. Foreign family members aren’t listed.

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