US Patent 20160165813A1 Systems and methods of inducing rainfall
June 16, 2016 | Inventor: Donald F. Wilkins | A01G15/00 Devices or methods for influencing weather conditions
“A system for use in inducing rainfall is provided. The system includes an aircraft configured to travel through an ambient environment at a first temperature, and a precipitation system coupled to the aircraft.”
Link To US Patent 20160165813A1