ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,121, issued on Aug. 11, was assigned to Contour Crafting Corp. (El Segundo, Calif.).
"Discrete delivery of material" was invented by Behrokh Khoshnevis (Marina Del Rey, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Construction 3D printing, although a technology that is expected to provide cost, speed and environmental benefits as compared to the traditional construction practices, suffers from inefficient and often troublesome material delivery by pumping cementitious material through hoses or pipes. The present application addresses the need for a consistent and discrete payload delivery between a source and a moving destination. The inven...