US Patent 11749247 Energy efficient soundproofing window retrofits
Patent 11749247 was granted and assigned to Massachusetts Institute of Technology on September, 2023 by the United States Patent and Trademark Office.
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US Patent 11749247 Energy efficient soundproofing window retrofits
Article
Described herein are window retrofits including a monolithic silica aerogel slab having (i) an average haze value of <5% as calculated in accordance with ASTM standard D1003-13 and (ii) a U-factor of <0.5 BTU/sf/hr/° F., and a transparent polymer envelope sealed at an internal pressure of ≤1 atmosphere, wherein the monolithic silica aerogel slab is encapsulated in the transparent polymer envelope. The monolithic aerogel slab can have a transmittance >94% at 8 mm thickness. The window retrofit can be bonded to a glass sheet.
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
11749247
Patent Inventor Names
Bikramjit S. Bhatia
Elise M. Strobach
Evelyn N. Wang
Gang Chen
Lee A. Weinstein
Lin Zhao
Shaoting Lin
Sungwoo Yang
Thomas A. Cooper
Xuanhe Zhao
Date of Patent
September 5, 2023
Patent Application Number
17507491
Date Filed
October 21, 2021
Patent Citations
Patent Primary Examiner
CPC Code
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