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:
Dec. 09, 2025
Filed:
Mar. 02, 2023
Applicant:
Acs Industries, Inc., Lincoln, RI (US);
Inventors:
Christof Bock, Monterey, MX;
Henry C. Howell, Iii, Oak Creek, WI (US);
Stacey L. Smith, Oconomowoc, WI (US);
Assignee:
ACS Industries, Inc., Lincoln, RI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 1/24 (2006.01);
U.S. Cl.
CPC ...
F01N 1/24 (2013.01); F01N 2470/04 (2013.01); F01N 2470/24 (2013.01); F01N 2530/04 (2013.01);
Abstract
A novel sound absorbing sheet material with a unique combination of micro-louver slit parameters and patterns provides superior noise attenuation and a reduced perforation area (less than 3.5%) to better protect fiberglass insulation when used in a muffler assembly. A muffler assembly is disclosed incorporating the novel sound absorbing sheet as the inner exhaust conduit.