ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,485, issued on Sept. 23, was assigned to TAIYUAN UNIVERSITY OF TECHNOLOGY (Taiyuan, China).
"Multi-mode 3D print head and collaborative printing methods applying the same" was invented by Shengbo Sang (Taiyuan, China), Rihui Kang (Taiyuan, China), Aoqun Jian (Taiyuan, China) and Runfang Hao (Taiyuan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure provide a multi-mode 3D print head and a collaborative printing method applying the same. The print head body is provided with an extrusion hole, a feeding mechanism is provided above the extrusion hole, and a heating mechanism is provided below the extrusion hol...