ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,039, issued on Feb. 3, was assigned to Sandvik Rock Processing Australia Pty Ltd. (North Ryde, Australia).

"Method for calculating bulk material feed rates or bulk material loads of a vibratory machine" was invented by Viktor Rais (Darmstadt, Germany) and Jan Schafer (Darmstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for calculating a bulk material conveying rate or a bulk material load of a vibratory conveyor machine, in which method raw measured data from the vibratory conveyor machine are acquired at at least two times with different load states by at least one acceleration, speed or travel sensor and raw measured data ...