ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,989, issued on May 6, was assigned to STRATASYS LTD. (Rehovot, Israel).
"Method for enhancing the lifetime of printing heads used in additive manufacturing" was invented by Shai Sultan (Moshav Ganei Tal, Israel) and Shmuel Rubin (Moshav Tkuma, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of printing a 3D object comprising depositing a building material, layer by layer, via printing heads comprising one or more nozzle arrays; and activating each of said printing heads to dispense a building material at least once within a specified period of time during printing to form a portion of said bulk region according to data provided by a CA...