ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,217, issued on July 22, was assigned to NELSON IRRIGATION Corp. (Walla Walla, Wash.).

"Variable rate irrigation using motion sensor" was invented by Meade M. Neal (Walla Walla, Wash.), Mark A. Bauman (College Place, Wash.), Craig B. Nelson (Walla Walla, Wash.) and Travis A. Griggs (College Place, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sprinkler controller is cooperable with a sprinkler assembly that receives fluid input from a pipe span. The sprinkler controller includes a microcontroller circuit, a motion sensor coupled with the microcontroller circuit, and a valve assembly including a modulator coupled with the microcontroller circ...