ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,561, issued on Nov. 18, was assigned to WAYLAND ADDITIVE Ltd. (Huddersfield, Great Britain).
"Additive manufacturing using powder bed fusion" was invented by Martyn Hussey (Manchester, Great Britain), Matthew Harvey (Stockport, Great Britain), Ian Laidler (Huddersfield, Great Britain), Jakob Van Den Berg (Manchester, Great Britain) and William Richardson (Stainland, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A powder bed fusion apparatus arranged to irradiate a powder bed using a charged particle beam is provided, the apparatus comprising a neutralising particle source operable to provide neutralising particles of an opposite charg...