Method and system for tracking food safety data using hash trees
US11475461B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 4, 2019 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Apr 20, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/30
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
The present invention provides a method for tracking food data transactions in a network data processing system comprising the steps of reading a network storage devices a packaged food production data hash tree, receiving a food data transaction from a hardware data processor in a food packaging machine, appending the food data transaction to the packaged food production data hash tree, and causing decentralised storage of identical instances of the appended packaged food production data hash tree in the plurality of network storage devices. The present invention further provides a network data processing system and a computer program for carrying out the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.