Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11518650 | Variable thresholds for an elevator system | Tadeusz Pawel Witczak, Ezhil Nanjappan, Derk Oscar Pahlke | 2022-12-06 |
| 11318807 | Transport refrigeration unit | Robert A. Chopko, Garrison S. Moseley, Ciara Poolman, Ivan Rydkin | 2022-05-03 |
| 11214466 | Monitoring systems for passenger conveyors | Tadeusz Pawel Witczak, Nikola Trcka, Philipp Schedl, Robert S. Takacs | 2022-01-04 |