Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11767194 | Elevator car and door motion monitoring | Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke, Nikola Trcka | 2023-09-26 |
| 11724910 | Monitoring of conveyance system vibratory signatures | Tadeusz Pawel Witczak, Craig Drew Bogli, Ezhil Nanjappan | 2023-08-15 |
| 11613445 | Vibration monitoring beacon mode detection and transition | Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke | 2023-03-28 |
| 11584614 | Elevator sensor system floor mapping | Tadeusz Pawel Witczak, Craig Drew Bogli, Ezhil Nanjappan, Derk Oscar Pahlke | 2023-02-21 |