US Patent Issued to INVENTIO on March 31 for "Method and elevator control arrangement for controlling a maintenance mode of an elevator system" (Swiss Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,973, issued on March 31, was assigned to INVENTIO AG (Hergiswil, Switzerland).

"Method and elevator control arrangement for controlling a maintenance mode of an elevator system" was invented by Frank Olivier Roussel (Lucerne, Switzerland) and Markus Walker (Ziefen, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling a maintenance mode of an elevator system includes: recognizing a machine-detectable feature in an automated manner using a portable computer-controlled device of a technician and, subsequently, outputting a maintenance completion signal, the machine-detectable feature being within the elevator system such...