ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,734, issued on March 4, was assigned to Otis Elevator Co. (Farmington, Conn.).
"Elevator guide rail" was invented by Andres Monzon (Madrid), Javier Garcia Casla (Madrid) and Jose-Manuel Gonzalez-Rodil (Madrid).
According to the abstract* released by the U.S. Patent & Trademark Office: "A guide rail for an elevator system has an elongate length with a cross-section perpendicular to the length; the cross-section including a base section for mounting to a wall of a hoistway, and a blade section extending from the base section; the blade section including a guide surface for interacting with a guide element of a component movable in the elevator hoistway; the guide rail including: a ...