ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,989, issued on June 16, was assigned to INVENTIO AG (Hergiswil, Switzerland).

"Method and device for monitoring properties of a supporting-means arrangement in an elevator system" was invented by Christoph Liebetrau (Menziken, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a supporting-means monitoring device monitor properties of a supporting arrangement in an elevator system. The supporting arrangement has a plurality of supporting devices that support and can displace an elevator car. The method includes: measuring tensile forces acting on the supporting devices; and deriving change information indicating changes in the p...