US Patent Issued to NISSAN NORTH AMERICA, NORTHWESTERN UNIVERSITY on Nov. 11 for "Replenishment system for three-dimensional printing system" (Illinois, Michigan Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,132, issued on Nov. 11, was assigned to NISSAN NORTH AMERICA INC. (Franklin, Tenn.) and NORTHWESTERN UNIVERSITY (Evanston, Ill.).

"Replenishment system for three-dimensional printing system" was invented by Evan Jones (Evanston, Ill.), Cheng Sun (Wilmette, Ill.) and Nanzhu Zhao (Novi, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A 3D printing system includes a tank containing a liquid photopolymer resin. A textured substrate is connected to the tank. The textured substrate is configured such that light passes therethrough into the liquid polymer resin. A layer of an inert material is disposed on the textured surface. The liquid photopolymer ...