ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,722, issued on April 7, was assigned to C4 Carbides Ltd. (Newmarket, Great Britain).
"Powder feeder" was invented by Choon Yen Kong (Newmarket, Great Britain) and Pavels Sevcenko (Newmarket, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a powder feeder. The powder feeder includes a main chamber with a gas inlet and a powder outlet. At least one secondary chamber is configured to receive powder. The powder feeder also includes a shaver element. The shaver element is positioned directly above an opening in the at least one secondary chamber. The secondary chamber further includes a piston movable toward...