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:
Jan. 01, 2019
Filed:
Jun. 14, 2016
Applicant:
Dyson Technology Limited, Wiltshire, GB;
Inventors:
Philip Jonathan Stephens, Swindon, GB;
Stephen Farrar Smith, Bristol, GB;
Assignee:
Dyson Technology Limited, Malmesbury, Wiltshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A45D 20/12 (2006.01);
U.S. Cl.
CPC ...
A45D 20/122 (2013.01);
Abstract
A diffuser includes a plastics baffle which has an air inlet end, an air outlet end and an outwardly tapering wall extending between the air inlet end and the air outlet end, and which defines a diffusing air chamber. A plurality of circumferentially spaced weld ribs is upstanding from the air outlet end. A plastics grille has a plurality of air outlets and an annular shelf to which the weld ribs of the baffle are ultrasonically welded.