ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,940, issued on May 13, was assigned to LTAG SYSTEMS LLC (Bow, N.H.).

"Lifting gas generation" was invented by Jonathan T. Slocum (Bow, N.H.) and Alexander Slocum (Bow, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one aspect, a reactor for generating lifting gas may include a first port, a second port, a coupling releasably securable in fluid communication with an aerostat, and a tank including a base and a crown defining at least a portion of a chamber therebetween, the first port and the coupling each supported on the crown, the second port supported on the tank away from the crown, the chamber in fluid communication with each o...