Tracking objects using a trusted ledger
US11138546B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jun 14, 2017 |
| Grant date | Oct 5, 2021 |
| Priority date | — |
| Expiry date | May 1, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10366
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A blockchain function may include one or more of receiving a last observed location identifier for a product identified via a product tag associated with the product, determining whether the last observed location identifier was received from a trusted source device, and storing the last observed location identifier in a blockchain with a confirmed status responsive to determining the last observed location identifier was received from the trusted source device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.