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. 01, 2023
Filed:
Aug. 20, 2018
Applicant:
The Boeing Company, Chicago, IL (US);
Inventors:
Douglas D. Maben, Snohomish, WA (US);
Bryce A. Vandyke, Snohomish, WA (US);
Mark M. Gmerek, Clinton, WA (US);
David R. C. Cannal, Marysville, WA (US);
Assignee:
THE BOEING COMPANY, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/21 (2006.01); B29C 44/18 (2006.01); B32B 5/18 (2006.01); B29C 70/30 (2006.01); B29C 70/54 (2006.01); B29D 23/00 (2006.01); B64D 13/06 (2006.01); G10K 11/168 (2006.01); B29K 105/04 (2006.01);
U.S. Cl.
CPC ...
B32B 5/18 (2013.01); B29C 44/18 (2013.01); B29C 70/30 (2013.01); B29C 70/545 (2013.01); B29D 23/001 (2013.01); B64D 13/06 (2013.01); F16L 9/21 (2013.01); G10K 11/168 (2013.01); B29K 2105/04 (2013.01); B29K 2995/0002 (2013.01); B64D 2013/0625 (2013.01);
Abstract
A duct includes a foam-filled honeycomb core structure having a tubular shape. The duct further includes an air-impermeable duct wall coupled to an exterior surface of the foam-filled honeycomb core structure.