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:
Jul. 12, 2022
Filed:
Dec. 19, 2018
Applicant:
Dyson Technology Limited, Wiltshire, GB;
Inventors:
Robert Hinchliffe, Bristol, GB;
Jeremy William Crouch, Swindon, GB;
Assignee:
Dyson Technology Limited, Malmesbury, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/12 (2006.01); A47L 5/24 (2006.01); B01D 46/24 (2006.01); B01D 46/52 (2006.01); B01D 46/64 (2022.01); A47L 9/16 (2006.01);
U.S. Cl.
CPC ...
A47L 9/12 (2013.01); A47L 5/24 (2013.01); A47L 9/125 (2013.01); A47L 9/127 (2013.01); A47L 9/1666 (2013.01); B01D 46/2414 (2013.01); B01D 46/521 (2013.01); B01D 46/64 (2022.01); B01D 2279/55 (2013.01);
Abstract
A filter assembly includes a filter housing, a first filter, and a second filter, wherein the first filter is a pre-motor filter, and the second filter is a post-motor filter, and both the first and second filters are fixed to the filter housing and are annular about a common axis.