The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 2026
Filed:
Apr. 08, 2021
Kone Corporation, Helsinki, FI;
Ari Kattainen, Helsinki, FI;
Juha-Matti Aitamurto, Helsinki, FI;
Antti Saarelainen, Helsinki, FI;
Jussi Lahteenmaki, Helsinki, FI;
Kone Corporation, Helsinki, FI;
Abstract
A method for testing safety characteristics of an elevator includes driving the car in a test run while the car is empty to perform a balance check of the elevator according to a request to perform the balance check; and adjustably controlling operation of the elevator based on a result of the balance check. Such adjustably controlling includes, based on comparing the result of the balance check to predetermined criteria, selectively performing one of preventing normal operation of the elevator, operating the elevator according to a degraded elevator operation, or operating the elevator to perform a brake test of machinery brakes of the elevator based on a test load that is calculated based on the result of the balance check.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile