ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,779, issued on Sept. 1, was assigned to Truma Geraetetechnik Gmbh & Co. KG (Putzbrunn, Germany).
"Device for heating room air and a liquid" was invented by Bernhard Stahl (Putzbrunn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Example embodiments relate to a device for heating room air and a liquid. Room air enters and exits the device via an air inlet and an air outlet, and the liquid enters and exits the device via a liquid inlet and a liquid outlet. The heat transfer device transfers the thermal energy produced by an energy unit to the liquid in an interaction area of a medium line. A conveying device moves liquid between a medium cont...