ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,543, issued on Nov. 11, was assigned to CALLIDUS PROCESS SOLUTIONS PTY LTD (Balcatta, Australia).
"Fuse-coated ball valve trim" was invented by Joel Rybicki (Balcatta, Australia), Duncan Bews (Balcatta, Australia), Gary Lantzke (Balcatta, Australia), Joe Ellis (Balcatta, Australia) and David Wood (Balcatta, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ball for a ball valve, wherein the ball comprises a substrate of metal having surface modified portions to act as seating surfaces for a seat of the ball valve; and a seat ring for a ball valve, wherein the seat ring comprises a substrate of metal having a surface modified portion to act ...