Metal foundation system for culverts, buried bridges and other structures
US11174614B2 · kind B2 · utility
1Cited by
93References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2018 |
| Grant date | Nov 16, 2021 |
| Priority date | — |
| Expiry date | Aug 7, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D2300/0032
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A bridge system uses foundation structures that are formed of the combination of a metal-frame structure and cast-in-place concrete. The metal-frame structure of the foundation is capable of supporting bridge units before pouring of concrete.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.