ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,580, issued on Sept. 9, was assigned to NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS (Nanjing, China).

"Continuous fiber curing extrusion device based on additive manufacturing ceramic composites" was invented by Congze Fan (Nanjing, China), Zhongde Shan (Nanjing, China), Wenzhe Song (Nanjing, China), Jinghua Zheng (Nanjing, China), Yiwei Chen (Nanjing, China) and Zhibo Li (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A continuous fiber curing extrusion device based on additive manufacturing ceramic composites includes a main support frame. A top inner wall of the main support frame is simultaneously mounted with a first guid...