ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,721, issued on April 7, was assigned to General Electric Co. (Evendale, Ohio).

"Build material escapement assembly and additive manufacturing systems including same" was invented by John Sterle (Clifton Park, N.Y.) and Vadim Bromberg (Niskayuna, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A build material escapement assembly for an additive manufacturing system includes a retaining plate for coupling the build material escapement assembly to the additive manufacturing system. A base having a plurality of ports is disposed beneath the retaining plate, and a support frame is disposed within the base. A diaphragm is disposed around the base, an...