ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,313, issued on Sept. 16, was assigned to Eichenauer Heizelemente GmbH & Co. KG (Kandel, Germany).
"Print head for a 3D printer" was invented by Philippe Leininger (Haguenau, France) and Ulrich Schlachter (Herxheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A print head for a 3D printer includes a nozzle for dispensing molten material. A pipe is connected to the nozzle and carrying a heating resistor layer. The pipe is seated in an annular bracket. Spring contacts are mounted on the bracket, which contacts bear against the pipe at mutually opposite points and contact the heating resistor layer."
The patent was filed on Nov. 10, 2023, u...