ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,783, issued on Oct. 27, was assigned to PRELOAD CRYOGENICS LLC (Quincy, Mass.).

"Precast, prestressed concrete cryogenic tanks-sliding base insulation system and method for full and double containment systems" was invented by Sanjay Mehta (Hauppauge, N.Y.) and Eric T. Reaman (Hingham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A storage system is provided that includes a primary container, a first insulation layer, a secondary container, a secondary bottom, and a second insulation layer. The primary container has a primary bottom. The first insulation layer is disposed below the primary bottom. The secondary bottom is disposed below the fi...