Patent assignee · US · COMPANY

thyssenkrupp Elevator Corporation

97Patents
91Active
97Granted
57Portfolio score

Filing activity: Oct 11, 2002 → May 22, 2019 · 10 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7032716B2 Destination selection control for elevator installation having multiple elevator cars Performing Operations; Transporting 30 Expired
US8230977B2 Distributed control system for an elevator system Performing Operations; Transporting 27 Active
US7178635B2 Elevator control having independent safety circuits Performing Operations; Transporting 20 Expired
US7448471B2 Elevator installation Performing Operations; Transporting 16 Active
US9957132B2 Elevator control systems Performing Operations; Transporting 16 Active
US6854564B2 Elevator system Performing Operations; Transporting 13 Expired
US7353912B2 Elevator system Performing Operations; Transporting 13 Expired
US9469501B2 Elevator positioning clip system and method Performing Operations; Transporting 13 Active
US9352934B1 Elevator positioning system and method Performing Operations; Transporting 10 Active
US9260275B2 Device for entraining a shaft door by means of an elevator car door Performing Operations; Transporting 9 Active
US9567188B2 Absolute position door zone device Performing Operations; Transporting 8 Active
US9573789B2 Elevator load detection system and method Performing Operations; Transporting 8 Active
US9783391B2 Elevator installation Performing Operations; Transporting 8 Active
US9896303B2 Method for controlling elevator cars Performing Operations; Transporting 7 Active
US8733507B2 Multicar zoned elevator system Emerging Cross-Sectional Technologies 7 Active
US8453799B2 Actuator for a speed governor of an elevator system Performing Operations; Transporting 7 Active
US8960372B2 Elevator car door interlock Emerging Cross-Sectional Technologies 6 Active
US8344572B2 Electromotive part of an elevator drive Electricity 6 Active
US9169107B2 Method and mounting system for mounting lift components Fixed Constructions 5 Active
US10303744B2 Systems and methods for generating and configuring content of elevator destination dispatch kiosks Performing Operations; Transporting 5 Active
US10294069B2 Multimodal user interface for destination call request of elevator systems using route and car selection methods Performing Operations; Transporting 5 Active
US7377371B2 Rope brake Performing Operations; Transporting 5 Expired
US7946393B2 Safety evaluation and control system for elevator units Performing Operations; Transporting 5 Active
US9463955B2 Elevator operator interface with virtual activation Performing Operations; Transporting 5 Active
US10106372B2 Elevator systems and methods for operating same Performing Operations; Transporting 4 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.