US Patent Issued to KONE on March 18 for "Method for releasing safety gears, and a stalling detector" (Finnish Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,376, issued on March 18, was assigned to KONE Corp. (Helsinki).

"Method for releasing safety gears, and a stalling detector" was invented by Tapio Siironen (Helsinki), Tapani Talonen (Helsinki) and Tarvo Viita-aho (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for releasing safety gears of an elevator car or a counterweight of an elevator system, the elevator system including a stalling detector coupled to compensation roping associated with the elevator car and the counterweight and configured to detect an increased rope tension, includes preventing a stalling indication from the stalling detector during a rescue operation; and ...