US Patent Issued to Wisconsin Alumni Research Foundation on June 16 for "High energy 3-D printer employing continuous print path" (Wisconsin Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,228, issued on June 16, was assigned to Wisconsin Alumni Research Foundation (Madison, Wis.).

"High energy 3-D printer employing continuous print path" was invented by Brandon Joseph Walker (Madison, Wis.), Thomas Rockwell Mackie (Verona, Wis.) and Nathan Donald Schumacher (Madison, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "High-throughput printing, possible with multiple electron beams, is facilitated by a continuous powder bed preparation process operating in parallel to apply and pre-sinter the powder along a continuous helical path. The sintered powder may be self-supporting to allow unconstrained expansion in the radial direction when...