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:
Oct. 22, 2024
Filed:
Dec. 19, 2019
Applicant:
Knauf Gips KG, Iphofen, DE;
Inventors:
Assignee:
KNAUF GIPS KG, Iphofen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B 1/82 (2006.01); B32B 3/26 (2006.01); B32B 5/06 (2006.01); B32B 7/14 (2006.01); B32B 13/12 (2006.01); B32B 27/12 (2006.01); E04B 1/84 (2006.01); E04B 1/86 (2006.01); E04B 1/99 (2006.01); E04B 9/00 (2006.01); G10K 11/162 (2006.01); G10K 11/168 (2006.01);
U.S. Cl.
CPC ...
E04B 1/86 (2013.01); B32B 3/266 (2013.01); B32B 5/073 (2021.05); B32B 7/14 (2013.01); B32B 13/12 (2013.01); B32B 27/12 (2013.01); E04B 1/99 (2013.01); E04B 9/001 (2013.01); G10K 11/162 (2013.01); G10K 11/168 (2013.01); B32B 2255/02 (2013.01); B32B 2255/12 (2013.01); B32B 2262/08 (2013.01); B32B 2307/102 (2013.01); B32B 2307/724 (2013.01); B32B 2607/00 (2013.01); E04B 2001/8461 (2013.01); E04B 2001/848 (2013.01);
Abstract
A panel with one or more perforations, having a front surface, wherein the contrast Cm between the front surface and the one or more perforations is less than 0.3, a sound absorbing system including a panel and a masking layer, wherein the masking layer is air permeable, and the use of the panel or the sound absorbing system.