ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,776, issued on March 25, was assigned to Admatec Europe B.V. (Alkmaar, Netherlands).
"Pellet extruder for 3D printing" was invented by Jacob Jan Saurwalt (Alkmaar, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "Extruder based print head (1) for 3D printing with a material feed unit (2) for providing material in granular and/or liquid feed form, a material extrusion unit (3) arranged to receive the material in granular and/or liquid feed form and transform the material into liquefied material in print form, and a nozzle unit (4) in fluid communication with the material extrusion unit (3), the nozzle unit (3) comprising an output channel ...