Energy efficient soundproofing window retrofits
US11170750B2 · kind B2 · utility
2Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2019 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | May 26, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B80/22
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.