Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421079 | Elevator monitoring device with varying wireless transmission power based on elevator car position | Tadeusz Pawel Witczak, Craig Drew Bogli | 2025-09-23 |
| 12297080 | Vibration monitoring beacon mode detection and transition | Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke | 2025-05-13 |
| 12280987 | Device and method for monitoring an elevator system | Derk Oscar Pahlke, Tadeusz Pawel Witczak, Craig Drew Bogli | 2025-04-22 |
| 12049383 | Elevator shaft distributed health level | Derk Oscar Pahlke | 2024-07-30 |
| 11993480 | Elevator shaft distributed health level with mechanic feed back condition based monitoring | Derk Oscar Pahlke | 2024-05-28 |
| 11912533 | Vibration monitoring beacon mode detection and transition | Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke | 2024-02-27 |
| 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 |
| 10822199 | Sensor fusion of acceleration sensor and air pressure sensor information to estimate elevator floor level and position | Derk Oscar Pahlke, Tadeusz Pawel Witczak, Craig Drew Bogli | 2020-11-03 |