US Patent Issued to The Boeing on Sept. 9 for "Pre-heating methods for performing electron beam powder bed fusion" (Washington Inventor)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,496, issued on Sept. 9, was assigned to The Boeing Co. (Arlington, Va.).

"Pre-heating methods for performing electron beam powder bed fusion" was invented by Eric David Bol (Snohomish, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Electron beam powder bed fusion may be performed using waste powder from laser beam powder bed fusion by pre-heating a build chamber using stepped increases of electron beam current. To perform the pre-heating without smoking the powder, a plurality of predetermined interim temperatures, ranging from an ambient, resting temperature of the build chamber to a predetermined preheated temperature, are determined. A bui...