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:
Sep. 28, 2021

Filed:

Mar. 13, 2018
Applicant:

Evoqua Water Technologies Llc, Pittsburgh, PA (US);

Inventors:

Donald W. Hindman, Menomonee, WI (US);

Krishna Kamath, Billerica, MA (US);

Assignee:

Evoqua Water Technologies LLC, Pittsburgh, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 21/20 (2006.01); F16G 13/06 (2006.01); B01D 21/24 (2006.01); C02F 11/00 (2006.01);
U.S. Cl.
CPC ...
B01D 21/20 (2013.01); B01D 21/2455 (2013.01); F16G 13/06 (2013.01); C02F 11/00 (2013.01); C02F 2201/002 (2013.01);
Abstract

A settling basin of a wastewater treatment system includes a collector chain including chain links having a plurality of side bars, stepped connecting pins configured to join the plurality of side bars and including a first end including a head portion having a cross-sectional area larger than portions of the plurality of side bars through which the stepped connecting pin extends, end caps configured to receive second ends of the stepped connecting pins, and apertures defined in the end caps and second ends of the stepped connecting pins configured to receive a retaining element that holds the end caps in position on the second ends of the stepped connecting pins.


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