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:
Jun. 07, 2022
Filed:
Aug. 28, 2019
Applicant:
Broan-nutone Llc, Hartford, WI (US);
Inventors:
Patrick Bouche, Sherbrooke, CA;
Raymond Panneton, Sherbrooke, CA;
Brent Lillesand, Milwaukee, WI (US);
Jean-Bernard Piaud, Drummondville, CA;
Rick Sinur, Hartford, WI (US);
Assignee:
Broan-NuTone LLC, Hartford, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 13/24 (2006.01); G10K 11/162 (2006.01);
U.S. Cl.
CPC ...
F24F 13/24 (2013.01); G10K 11/162 (2013.01); F24F 2013/242 (2013.01);
Abstract
A ventilation assembly and methods of forming the same includes a ventilation grille having reducing acoustic bodies configured to attenuate sound of the ventilation assembly. Arrangement of the acoustic bodies can form phononic crystal to attenuate sound and can be tuned to desired sound bands to reduce sounds.