ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,742, issued on May 20, was assigned to ABB SCHWEIZ AG (Baden, Switzerland).

"Vibrating conveyor" was invented by Sverre Faureholm Jensen (Odense S, Denmark), Thomas Norby (Odense S, Denmark) and Mike Gornitzka (Odense S, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "For tuning a vibrating conveyor having an electric vibrator that drives a vibration element connected to a conveying unit of the vibrating conveyor for oscillating the conveying unit to a mechanical resonance frequency fR of the vibrating conveyor, an electric drive unit varies the frequency fv of a AC drive voltage (uv) in a given frequency range, measures a current consumption...