ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,601, issued on Jan. 28, was assigned to The Heil Co. (Chattanooga, Tenn.).
"Hydraulic cylinder monitoring" was invented by John Forrest Smith (Fort Payne, Ala.), Alejandro de Leon (Fort Payne, Ala.), Garrett Eckerl (Fort Payne, Ala.), Albert Xiaoxia Jiang (Chattanooga, Tenn.) and Thomas Leon Wilding (Willard, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refuse collection vehicle has various hydraulic actuators including at least one cylinder with an internal seal. A sensor is responsive to movement of the piston and sends a signal to a controller to indicate piston movement information during an associated vehicle body component movement. T...