ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,170, issued on March 4, was assigned to BIOFRIENDS INC. (South Korea).
"Nozzle device for FDM-type 3D printer" was invented by Dong Nyoung Heo (Seoul, South Korea) and Il Keun Kwon (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment of the present disclosure provides a nozzle device for an FDM-type 3D printer, comprising: a filament supply unit to which filaments for FDM are supplied; a filament nozzle which is positioned under the filament supply unit and melts the filaments supplied from the filament supply unit to output molten filaments; a heater block which is provided around the filament nozzle to melt the filament...