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.
Patent No.:
Date of Patent:
Nov. 02, 2021
Filed:
Mar. 07, 2019
Applicant:
Sharkninja Operating, Llc, Needham, MA (US);
Inventors:
Assignee:
SharkNinja Operating LLC, Needham, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 50/00 (2006.01); A47L 9/14 (2006.01); A47L 9/12 (2006.01); B01D 46/00 (2006.01); A47L 9/16 (2006.01); B01D 45/16 (2006.01); B04C 9/00 (2006.01); B01D 46/24 (2006.01); B01D 46/42 (2006.01);
U.S. Cl.
CPC ...
A47L 9/1409 (2013.01); A47L 9/127 (2013.01); A47L 9/1608 (2013.01); A47L 9/1683 (2013.01); B01D 45/16 (2013.01); B01D 46/0004 (2013.01); B01D 46/0005 (2013.01); B01D 46/2403 (2013.01); B01D 46/4236 (2013.01); B01D 50/002 (2013.01); B04C 9/00 (2013.01); A47L 9/1666 (2013.01); B01D 2265/026 (2013.01); B01D 2271/022 (2013.01); B01D 2275/201 (2013.01); B01D 2279/55 (2013.01); B04C 2009/004 (2013.01);
Abstract
A vacuum cleaning apparatus may include a debris container and a filtering system. The debris container may define a debris collection chamber and include a dirty air inlet and a clean air outlet. The filtering system may be at least partially disposed in the debris collection chamber, and may include a fluff screen and a fluff screen cover defining a cavity for receiving at least a portion of the fluff screen. The fluff screen and the fluff screen cover may both include tapered outer surfaces. The tapered outer surfaces may have opposing tapers.