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:
Jul. 16, 2024

Filed:

Aug. 05, 2022
Applicant:

Techtronic Industries Co. Ltd., Tsuen Wan, HK;

Inventors:

Kirti Kant Paulla, Cuyahoga Falls, OH (US);

John Bohlen, Solon, OH (US);

Richard Friend, Streetsboro, OH (US);

Joseph Saunders, Wadsworth, OH (US);

Sergey V. Makarov, Solon, OH (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 5/24 (2006.01); A47L 9/12 (2006.01); A47L 9/16 (2006.01); B01D 45/16 (2006.01); B01D 46/00 (2022.01); B01D 46/24 (2006.01); B01D 46/64 (2022.01); B01D 50/20 (2022.01); B04C 5/103 (2006.01); B04C 5/12 (2006.01); B04C 9/00 (2006.01);
U.S. Cl.
CPC ...
A47L 5/24 (2013.01); A47L 9/127 (2013.01); A47L 9/16 (2013.01); A47L 9/1608 (2013.01); A47L 9/1683 (2013.01); B01D 45/16 (2013.01); B01D 46/0004 (2013.01); B01D 46/2403 (2013.01); B01D 46/64 (2022.01); B01D 50/20 (2022.01); B04C 5/103 (2013.01); B04C 5/12 (2013.01); B04C 9/00 (2013.01); B01D 2279/55 (2013.01); B04C 2009/002 (2013.01);
Abstract

A vacuum cleaner including a dirty air inlet, a fluid flow path extending from the dirty air inlet to a clean air outlet, a fluid flow motor positioned in the fluid flow path, and a filter assembly positioned in the fluid flow path. The filter assembly including a first cylindrical filter and a second cylindrical filter nested within and removable from the first cylindrical filter. An inner diameter of the first cylindrical filter is smaller than an outer diameter of the second cylindrical filter such that the second cylindrical filter is compressed in order to be nested within the first cylindrical filter.


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