Cold-formed steel above ground tornado shelter
US9938710B2 · kind B2 · utility
1Cited by
46References
17Claims
0Family size
Inventor
Key dates
| Filing date | Mar 31, 2015 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Mar 31, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tornado shelter which meets the structural performance criteria of ICC, FEMA, ASCE, AISI, and ACI, produced from trapezoidal cold-formed steel panels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.