ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,484, issued on Sept. 23, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Printhead for a 3D printer" was invented by Hendrik Jahnle (Leutenbach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a printhead (100) for a 3D printer, comprising an actuating device (110) arranged in a housing (1) of the printhead (100) for actuating a piston (3), a supply device (2) for a printable material (10), a flange (5) with a cooling device (50), said flange being arranged at the housing (1) and the supply device (2), a nozzle head (6) with heating elements (61, 63) for converting the material (10) from a solid phase (10) i...