ALEXANDRIA, Va., March 5 -- United States Patent no. 12,245,340, issued on March 4, was assigned to BorgWarner Ludwigsburg GmbH (Ludwigsburg, Germany).
"Heating plate and flow heater having heating plate" was invented by Hans-Peter Etzkorn (Bruchsal, Germany) and Gerd Brauchle (Huffenhardt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described is a heating plate having a substrate made of metal, a heating layer and an insulation layer which is arranged between the heating layer and the substrate. It is provided according to this disclosure that the insulation layer bears an electrically conductive shielding layer and that the shielding layer is covered by a second insulation layer on which the hea...