ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,808, issued on Sept. 23, was assigned to HUSQVARNA AB (Sweden).

"Drought adjustment techniques and apparatuses for irrigation controllers" was invented by Stuart J. Eyring (Bountiful, Utah), Jason R. Sims (New Braunfels, Texas), Brad J. Wardle (Kaysville, Utah) and Eric T. Price (Woods Cross, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "Irrigation controllers, methods, and computer readable media for altering a watering schedule for an irrigation controller in accordance with determined drought conditions are disclosed. An adjusted landscape evapotranspiration rate may be calculated based on a determined drought category. The watering schedu...