ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,457,940, issued on Nov. 4, was assigned to Tritana Intellectual Property Ltd. (Saskatoon, Canada).
"Weed seed destruction" was invented by Dean Mayerle (Saskatoon, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Weed seeds are destroyed in the chaff from a combine harvester by primary and secondary destructors where the primary feeds to the secondary. The secondary can use repeated high speed impacts caused by a rotor mounted in one of a pair of side by side housings which accelerate the discarded seeds in a direction centrifugally away from the rotor onto a stator including angularly adjustable stator surfaces around the axis. The primary can also...