ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,842, issued on Feb. 24, was assigned to Robert Bosch GmbH (Stuttgart, Germany).

"Printhead for a 3D printer and a method for filling a printhead" was invented by Hendrik Jahnle (Leutenbach, Germany) and Thilo Schneider (Neuhausen, 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 actuator device (110) which is 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) which is arranged on the housing (1) and the supply device (2) and which comprises a cooling device (50), a nozzle head (6) ...