ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,692, issued on June 23, was assigned to FLSmidth A/S (Denmark).

"Exciter apparatus" was invented by Michael Gardiner (Rochedale South, Australia), Tejas Halani (Chermside, Australia), Shanoon Alhassan (Auchenflower, Australia), Clayton Seymour (Brisbane, Australia), Byron Sadler (Pinkenba, Australia) and Gordon Ong (Wakerley, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exciter apparatus for a vibrating machine having an exciter body being configured to accommodate a lubricant. The exciter apparatus further has a first bearing comprising an inner bearing portion and an outer bearing portion separated by a number of rollers located in ...