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:
Aug. 16, 2022
Filed:
May. 20, 2021
Applicant:
W. L. Gore & Associates, Inc., Newark, DE (US);
Inventors:
Zachary E. Lampert, Newark, DE (US);
Wayne M. Gibbons, Newark, DE (US);
Yitian Zhang, Newark, DE (US);
Assignee:
W. L. Gore & Associates, Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 13/00 (2006.01); H04R 1/08 (2006.01); H04R 7/04 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
G10K 13/00 (2013.01); H04R 1/086 (2013.01); H04R 7/04 (2013.01); H04R 31/003 (2013.01); H04R 2307/025 (2013.01);
Abstract
Water impermeable, air permeable membrane assemblies are described herein. In some embodiments, the assemblies include a polymer membrane and at least one support structure. Certain assemblies are configured to provide an acoustic impedance having phase angle of +45 degrees to −45 over a frequency range of 50 to 20,000 Hz.