ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,020, issued on June 16, was assigned to Truma Geratetechnik GmbH & Co. KG (Putzbrunn, Germany).
"Method for producing a heating device, and heating device" was invented by Dennis Reininger (Putzbrunn, Germany) and Matthias Goller (Putzbrunn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method of manufacturing a heating device (1) which has a fan (3) located behind a grid (2) in an interior (10). The fan (3) is mounted in the interior (10), and the grid (2) is mounted as a part of the heating device (1). The speed of the fan (3) is determined in a contactless manner by evaluating a reflection behavior of the fan (...