U.S. Patent 10521806 was awarded to Walmart Apollo, LLC on December 31, 2019 and is entitled “Blockchain-based system and method for supply chain control.” The first named inventor is Brian G. McHale of Oldham, . The abstract contains an overview of the patent disclosure:

A blockchain-based method includes: receiving, by a smart label via accessing a block of a blockchain stored on a computer system, a cold chain requirement for a product, wherein the smart label is affixed to a package containing the product, the cold chain requirement for the product is specified and stored by a manufacturer of the product in the block of the blockchain; storing, by the smart label, the cold chain requirement in a memory of the smart label; receiving, by the smart label, from a temperature sensor a temperature of the product, wherein the temperature sensor is affixed to the package containing the product; comparing, by the smart label, the temperature of the product with a temperature range of the product specified in the cold chain requirement; and adding, by the smart label, the temperature of the product and a time at which the temperature of the product is received by the smart label, to the blockchain, if the temperature of the product is outside of the temperature range specified in the cold chain requirement. Link to Full Patent

This blockchain patent was originally filed on February 25, 2019  as U.S. Patent Application 16/284485 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10521806. The primary examiner was Christle I Marshall.

Walmart Apollo, LLC, who is the original assignee of this patent, has at least 1180 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 0 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

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