U.S. Patent 11004044 was awarded to COINPLUG, INC. on May 11, 2021 and is entitled “Method for paying cost of IoT device based on blockchain, and server, service providing device, and digital wallet using the same.” The first named inventor is Joon Sun Uhr of Gyeonggi-do, . The abstract contains an overview of the patent disclosure:

A method for a payment for an Internet of Things (IoT) device is provided. The method includes steps of: a payment supporting server (a) on condition that the payment supporting server has registered certificates of the IoT device, a service providing device, and a digital wallet, and manages corresponding blockchain transaction IDs and link information, if a billing transaction is acquired, validating the billing transaction including identification information on the service providing device and the IoT device, a billing detail, and a signature value; (b) acquiring identification information on the digital wallet corresponding to the billing transaction from the blockchain database; and (c) (i) paying the billing detail using the digital wallet, (ii) registering a payment result including a payment detail in the blockchain database and managing its blockchain transaction ID, and (iii) transmitting the payment result to the service providing device, the IoT device, and the digital wallet. Link to Full Patent

This blockchain patent was originally filed on May 09, 2018  as U.S. Patent Application 15/975110 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11004044. The primary examiner was Olabode Akintola.

COINPLUG, INC., who is the original assignee of this patent, has at least 34 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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