Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12157657 | Emergency stop system for elevator | Andrew S. Bierer | 2024-12-03 |
| 11724910 | Monitoring of conveyance system vibratory signatures | Tadeusz Pawel Witczak, Craig Drew Bogli, Yrinee Michaelidis | 2023-08-15 |
| 11584614 | Elevator sensor system floor mapping | Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke, Yrinee Michaelidis | 2023-02-21 |
| 11518650 | Variable thresholds for an elevator system | Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke | 2022-12-06 |
| 11330418 | Lone worker safely check | — | 2022-05-10 |
| 11029810 | Equipment service graphical interface | — | 2021-06-08 |
| 10906776 | Work area technician warning system | — | 2021-02-02 |
| 10800635 | Elevator door wedge monitoring system | — | 2020-10-13 |
| D889479 | Display screen or portion thereof with graphical user interface | — | 2020-07-07 |
| D881901 | Display screen or portion thereof with graphical user interface | — | 2020-04-21 |
| D872107 | Display screen or portion thereof with graphical user interface | — | 2020-01-07 |
| 10462638 | Lone worker fall detection | — | 2019-10-29 |
| 10414629 | Mechanical system service tool | — | 2019-09-17 |
| 10217345 | Safety headwear status detection system | Tony Black | 2019-02-26 |
| D822038 | Display screen or portion thereof with graphical user interface | Lara Siopis, Ashley Chapman | 2018-07-03 |
| D819056 | Display screen or portion thereof with graphical user interface | Lara Siopis, Ashley Chapman | 2018-05-29 |
| D819070 | Display screen or portion thereof with graphical user interface | Lara Siopis, Ashley Chapman | 2018-05-29 |
| D817349 | Display screen or portion thereof with graphical user interface | Lara Siopis, Ashley Chapman | 2018-05-08 |
| D817351 | Display screen or portion thereof with graphical user interface | Lara Siopis, Ashley Chapman | 2018-05-08 |
| D817350 | Display screen or portion thereof with graphical user interface | Lara Siopis, Ashley Chapman | 2018-05-08 |
| D817339 | Display screen or portion thereof with graphical user interface | Lara Siopis, Ashley Chapman | 2018-05-08 |