ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,551, issued on March 31, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Printing device for a 3D printer" was invented by Hendrik Jahnle (Leutenbach, Germany), Hans Bargen (Korntal-Muenchingen, Germany) and Victor Roman (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a printing device (10) for a 3D printer. The printing device comprises a metering unit (18) for melting and plasticizing a material (38) to be printed and a delivery unit (14) for printing the material (38) provided via the metering unit (18). The metering unit (18) and the delivery unit (14) are arranged separately from each other ...