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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.:

US 12525215 B1

PDFFull Text
Date of Patent:
Jan. 13, 2026

Filed:

Jul. 08, 2021

Sound absorbing material and method of producing sound absorbing material

Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Akira Ito, Tokyo, JP;

Keisuke Sawamoto, Kanagawa-ken, JP;

Assignee:

3M Innovative Properties Company, St. Paul, MN (US);

Attorneys:

Carlos M. Téllez Rodríguez

3M Innovative Properties Co

Primary Examiner:

Edgardo San Martin

Int. Cl.
CPC ...
G10K 11/168 (2006.01); B29C 43/00 (2006.01); B29C 43/20 (2006.01); B60R 13/08 (2006.01); B29K 105/12 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
G10K 11/168 (2013.01); B29C 43/003 (2013.01); B29C 43/203 (2013.01); B29K 2105/122 (2013.01); B29K 2995/0067 (2013.01); B29K 2995/0097 (2013.01); B29L 2009/00 (2013.01);
Abstract

A sound absorbing material according to an embodiment is a sound absorbing material () absorbing sound from a component, the sound absorbing material including a rising portion () rising from an attachment portion P to which the sound absorbing material () is attached, and an opposing portion () opposing the component on a side of the rising portion () opposite to the attachment portion P, wherein each of the rising portion () and the opposing portion () includes a core layer () and a ventilation resistant layer (), and in at least a part of the opposing portion () and the rising portion (), a variation in thickness T of the ventilation resistant layer () is 40% or less of an average value of the thickness T of the ventilation resistant layer ().

Find Patent Forward Citations

Ito, Akira. (2026). Sound absorbing material and method of producing sound absorbing material (U.S. Patent No. 12525215). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12525215

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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