ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,118, issued on March 25, was assigned to The Boeing Co. (Arlington, Va.).

"Thermal protection systems and methods for vehicles moving through a free stream of air" was invented by Andrew R. Tucker (Glendale, Mo.) and David Conradi (St. Louis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A thermal protection system is provided for a vehicle moving with velocity through a free stream of air. The system comprises a substrate layer having coolant feed holes through which coolant can pass, and an insulation layer bonded to the substrate layer and covering the coolant feed holes of the substrate layer. The system also comprises a honeycomb layer includi...