ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,100, issued on April 29, was assigned to Lufthansa Technik AG; (Hamburg, Germany) and Villinger GmbH (Mieders, Austria).

"Heating mat for use in a floor structure, floor structure, and method for producing same" was invented by Florian Pagel (Barmstedt, Germany), Romana Koch (Hamburg, Germany), Karl Bock (Hamburg, Germany), Markus Villinger (Mieders, Austria), Nils Beyer (Ellerbek, Germany) and Niels Dose (Hamburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heating mat is for use in a floor structure in an aircraft. The heating mat has a layered structure, with a plurality of layers firmly connected to one another, with a layer sequence...