ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,834, issued on Sept. 30, was assigned to Mahle International GmbH (Germany).
"PTC heating device" was invented by Lena Funk (Karlsruhe, Germany), Wolfgang Seewald (Tamm, Germany) and Falk Viehrig (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure describes a PTC heating device for, e.g., an air-conditioning system of a motor vehicle. The PTC heating device includes first and second PTC thermistors each having a first and second electrical contacting surface that lie opposite one another. The PTC thermistors are arranged sandwiched between a first and a second electrical insulation. A first electrical line path...