ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,409, issued on April 15, was assigned to KWATERCRAFT Co. LTD. (Busan, South Korea).

"System and method for managing smart farm comprising self-contained hydrogen generation unit purifying intake-water and generating energy through fuel cell" was invented by Soon Pyo Kwon (Busan, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a system and method for managing a smart farm using a self-contained hydrogen power system. A system for managing a smart farm includes a self-contained hydrogen generation unit configured to purify intake-water, generate clean hydrogen through water electrolysis, generate energy through a fuel cell by u...