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:
Aug. 18, 2020

Filed:

Dec. 01, 2017
Applicant:

Smart, Inc., Gardena, CA (US);

Inventor:

Paul Schneider, Gardena, CA (US);

Assignee:

SMART, INC., Gardena, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 21/26 (2006.01); B01D 21/00 (2006.01); B01D 29/03 (2006.01); A47L 13/50 (2006.01); A47L 13/51 (2006.01); A47J 47/18 (2006.01); B01D 21/24 (2006.01);
U.S. Cl.
CPC ...
B01D 21/26 (2013.01); A47J 47/18 (2013.01); A47L 13/50 (2013.01); A47L 13/51 (2013.01); B01D 21/0012 (2013.01); B01D 21/2483 (2013.01); B01D 29/03 (2013.01); B01D 21/267 (2013.01);
Abstract

The present patent document discloses filters and methods of filtering bucket wash water by stacking identical filters in a rotated position. In preferred embodiments, the method comprises: placing a first filter in a bucket; placing an identical second filter on top of the first filter wherein: the second filter is rotated by a radial angle with respect to the first filter and a first pair of tapered passages on the second filter that are longer than typical passages on the second filter are inserted into a second pair of tapered passages on the first filter such that a typical passage on the second filter is held above the first filter and a typical passage on the second filter does not axially align with a typical passage on the first filter.


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