Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10865071 | Configurable multicar elevator system | Randall Keith Roberts, Adam Marian Myszkowski, Cezary Jedryczka, Wojciech Szelag, Tadeusz Pawel Witczak +3 more | 2020-12-15 |
| 10781075 | Emergency safety actuator for an elevator | Tadeusz Pawel Witczak, Daryl J. Marvin | 2020-09-22 |
| 10752466 | Transfer station for a ropeless elevator system with redundancy of subcomponents and parking zone | Cezary Jedryczka, Adam Marian Myszkowski, Tadeusz Pawel Witczak, Bruce P. Swaybill, Wojciech Szelag +2 more | 2020-08-25 |
| 10745247 | Elevator car guidance mechanism | Tadeusz Pawel Witczak, Richard N. Fargo, Enrico Manes, Bruce P. Swaybill, Richard J. Ericson +2 more | 2020-08-18 |
| 10686357 | Door operator with switched flux linear motor | Amy Robinson | 2020-06-16 |