Locating underground markers
US10123157B2 · kind B2 · utility
3Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2013 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Mar 14, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A process for locating underground markers, including: transmitting signals through the ground between markers in the ground; and determining locations of the markers based on the transmitted signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.