Pultruded building product and system
US7520099B2 · kind B2 · utility
8Cited by
38References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2005 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Mar 11, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F13/0864
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A building product includes a pultruded composite profile having an inner wall and an outer wall, wherein the inner wall includes a level of porosity such that water vapor is able to diffuse through the inner wall, but liquid water cannot substantially penetrate the inner wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.