ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,077, issued on Dec. 16, was assigned to DEC TECHNOLOGIES B.V. (Enschede, Netherlands).

"Air duct and air system and methods and uses of said air duct and air system" was invented by Theodorus Anthonius De Goeij (Enschede, Netherlands) and Sirac Gul (Enschede, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an air duct and an air system and methods and uses of said air ducts and air system. The air duct has electrically conductive elements integrated with the walls of said air ducts for insulation of walls of said air ducts, and/or heating of the air flowing through the air ducts. The air duct can be used in an air system, for...