Tunneling for underground power and pipelines
US11142957B2 · kind B2 · utility
2Cited by
3References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 9, 2020 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Mar 25, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D9/108
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present application describes a rapid burrowing robot (RBR) that can dig tunnels using ultra high temperature rotating plasma torches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.