Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384655 | Electrical power transmission to elevator system cars | Enrico Manes, Atsushi Yamada, Suman Dwari, Craig Drew Bogli, Stephen Savulak +1 more | 2025-08-12 |
| 10538412 | Brake operation management in elevators | Amir Lotfi, Randall Keith Roberts, Ronnie E. Thebeau, Edward Piedra, Dennis Hanvey +1 more | 2020-01-21 |
| 10315884 | Automatic determination of elevator user's current location and next destination with mobile device technology | Paul A. Simcik, Ashley Chapman, Bradley Armand Scoville, Eric C. Peterson | 2019-06-11 |
| 10252879 | Brake operation management in elevators | Amir Lotfi, Randall Keith Roberts, Ronnie E. Thebeau, Edward Piedra, Dennis Hanvey +1 more | 2019-04-09 |
| 10116635 | Mobile-based equipment service system using encrypted code offloading | Devu Manikantan Shila, Arthur T. Grondine, Teems E. Lovett | 2018-10-30 |
| 10046948 | Variable elevator assignment | Theresa M. Christy, Jannah A. Stanley, Harold Terry | 2018-08-14 |
| 9995711 | Calibration of wear detection system | Daryl J. Marvin | 2018-06-12 |
| 9969597 | Elevator communication gateway | Brian Beloin, Luis C. Encinas Carreno, Derk Oscar Pahlke | 2018-05-15 |
| 9791009 | Brake torque monitoring and health assessment | James L. Hubbard, Juan Antonio Illan, Robert D. Shepherd | 2017-10-17 |
| 9618409 | Temperature compensation for monitoring a load bearing member | Peter Keyo, Peter Liaskas | 2017-04-11 |
| 9296591 | Determining elevator car position using bi-stable sensors | Ronnie E. Thebeau, Leslie C. Watterson, Sucheol Lee, Kensaku Yamane | 2016-03-29 |
| 5567931 | Variable beam detection using a dynamic detection threshold | Brian Amend | 1996-10-22 |
| 5509505 | Arrangement for detecting elevator car position | Rudolph Steger, Chester J. Slabinski | 1996-04-23 |