Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10118799 | Multicar self-propelled elevator system | — | 2018-11-06 |
| 10059566 | Connecting cars in a multicar elevator system | Tadeusz Pawel Witczak | 2018-08-28 |
| 9950902 | Stator structure for self-propelled elevator | Adam Marian Myszkowski, Cezary Jedryczka, Wojciech Szelag | 2018-04-24 |
| 9932204 | Drive unit for multiphase permanent magnet synchronous motor | Cezary Jedryczka, Wojciech Szelag | 2018-04-03 |
| 9915307 | Brake | Adrian D. West, Daryl J. Marvin, Harold Terry | 2018-03-13 |
| 9884744 | Ropeless high-rise elevator installation approach | Tadeusz Pawel Witczak, Martin J. Hardesty | 2018-02-06 |