The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 25, 2021

Filed:

Jul. 25, 2019
Applicant:

United Rentals, Inc., Stamford, CT (US);

Inventor:

E. B. (Bart) Ros, Deventer, NL;

Assignee:

United Rentals, Inc., Stamford, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 21/02 (2006.01); C02F 9/00 (2006.01); C02F 1/00 (2006.01); B01D 21/24 (2006.01); B01D 21/00 (2006.01);
U.S. Cl.
CPC ...
C02F 9/00 (2013.01); B01D 21/2416 (2013.01); B01D 21/2433 (2013.01); B01D 21/2472 (2013.01); C02F 1/001 (2013.01); B01D 21/0045 (2013.01); C02F 2001/007 (2013.01);
Abstract

A tank assembly for the treatment of waste streams that include settling pollutants and floating pollutants. The tank assembly includes an inlet conduit, a first compartment that includes a first drain at a bottom thereof, a second compartment that includes a second drain at a bottom thereof, a third compartment that includes a third drain at a bottom thereof, and an outlet conduit. The second compartment also includes at least a first lamella filter package disposed therein. The third compartment also includes a skimmer, an underrun member and an overrun member. A liquid flow path is defined from the inlet conduit, through the first compartment, through the second compartment and the first lamella filter pack, through the third compartment, past the skimmer, under the underrun, over the overrun and out the outlet conduit.


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