ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,971, issued on March 31, was assigned to Otis Elevator Co. (Farmington, Conn.).

"System and method for dynamically modifying a capacity limit of an elevator car" was invented by Arthur Hsu (South Glastonbury, Conn.) and Yi Eason Xiao (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an elevator system having: a controller; an elevator car operationally connected to the controller; a first sensor configured to provide first sensor data to the controller, wherein the controller is configured to identify a capacity parameter of the elevator car, wherein the capacity parameter includes one or more of: loaded weight; volume of availa...