Marker device for underground infrastructure
US12204062B2 · kind B2 · utility
0Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2022 |
| Grant date | Jan 21, 2025 |
| Priority date | — |
| Expiry date | Mar 1, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V15/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A marker device for locating buried infrastructure comprises a cover, a marker detectable underground by a magnetic field detecting locating device; and a holder formed from a compliant material. The marker has a diameter smaller than an inner diameter of the cover. The marker is secured between an inner surface of the cover and a first surface of the holder. The holder is configured to attach to an outer surface of a utility valve cap of an underground valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.