US Patent Issued to UCHICAGO ARGONNE on Jan. 28 for "Depowdering of additively manufactured objects with small and/or complex internal geometries" (Illinois Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,573, issued on Jan. 28, was assigned to UCHICAGO ARGONNE LLC (Chicago).

"Depowdering of additively manufactured objects with small and/or complex internal geometries" was invented by Wenhua Yu (Darien, Ill.), Dileep Singh (Naperville, Ill.), David M. France (Lombard, Ill.) and Wenchao Du (Willowbrook, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of depowdering objects (e.g., heat exchangers) having small and/or complex internal geometries and manufactured using an additive manufacturing technique performed with a powder material. The method includes applying a pressurized fluid to the objects via a pressurized fluid applicator operat...