ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,395, issued on April 29, was assigned to TYCO FIRE & SECURITY GMBH (Neuhausen am Rheinfall, Switzerland).

"Systems and methods of enabling blockchain-based building automation systems" was invented by Kevin Serwatowski (Royal Oak, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a plurality of first building components, a private local blockchain, a second building component, and a client device. The private local blockchain includes a device ledger indicating each first building component, a transaction ledger maintaining a plurality of blocks corresponding to a transaction between at least two first building components and inc...