Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12006185 | Continuous quality monitoring of a conveyance system | Soumalya Sarkar, Teems E. Lovett, Paul R. Braunwart, Sudarshan N. Koushik, Nikola Trcka +3 more | 2024-06-11 |
| 11905142 | Elevator system control based on building sway | Randy Roberts, Luis C. Encinas Carreno, Patricia Derwinski, Cuauhtemoc Castro | 2024-02-20 |
| 11873191 | Elevator propulsion device including a power supply arranged to reduce noise in the cab | — | 2024-01-16 |
| 11780704 | Measurement and diagnostic of elevator door performance using sound and video | Pradeep Miriyala, Rachit Sahgal, Jinho Song | 2023-10-10 |
| 11292693 | Elevator system control based on building sway | Randy Roberts, Luis C. Encinas Carreno, Patricia Derwinski, Cuauhtemoc Castro | 2022-04-05 |
| 11198589 | Elevator system including a protective hoistway liner assembly | Patricia Derwinski, Richard K. Pulling, Randy Roberts | 2021-12-14 |
| 10723588 | System and method of measuring and diagnosing ride quality of an elevator system | Soumitra Borthakur, Jinho Song, Daniel Rush | 2020-07-28 |
| 10669124 | Elevator system including a protective hoistway liner assembly | Patricia Derwinski, Richard K. Pulling, Randy Roberts | 2020-06-02 |
| 10547917 | Ride quality mobile terminal device application | Jinho Song | 2020-01-28 |
| 9914619 | Elevator rope sway mitigation | Randall Keith Roberts, Theresa M. Christy | 2018-03-13 |
| 9556002 | Elevator noise monitoring | Michael Wilke, Soumitra Borthakur, Kelly Martin Dubois, Juan Jose Fernandez | 2017-01-31 |
| 9546073 | Rope sway mitigation through control of access to elevators | Randall Keith Roberts | 2017-01-17 |
| 8418815 | Remotely observable analysis for an elevator system | Luis C. Encinas Carreno, Juan A. Lence | 2013-04-16 |
| 6685003 | Pulse-free escalator | Timothy Galante, Richard N. Fargo, Robert Hammell | 2004-02-03 |
| 6328135 | Modifying elevator group behavior utilizing complexity theory | David J. Sirag, Jr. | 2001-12-11 |