Issued Patents All Time
Showing 25 most recent of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11146140 | Universal electromagnetic machine | Tadeusz Pawel Witczak, Wojciech Szelag, Cezary Jedryczka, Stella M. Oggianu, Adam Marian Myszkowski | 2021-10-12 |
| 11001477 | Elevator linear propulsion system with cooling device | Ram Ranjan, Enrico Manes, Bryan Robert Siewert | 2021-05-11 |
| 10958123 | Electromagnetic machine | Tadeusz Pawel Witczak, Stella M. Oggianu, Cezary Jedryczka, Wojciech Szelag, Adam Marian Myszkowski | 2021-03-23 |
| 10910903 | Dual rotor, coreless, electromagnetic machine | Tadeusz Pawel Witczak, Cezary Jedryczka, Wojciech Szelag, Stella M. Oggianu | 2021-02-02 |
| 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 |
| 10486940 | Alignment system for an elevator car | Tadeusz Pawel Witczak, Bruce P. Swaybill, Richard J. Ericson, Richard E. Kulak | 2019-11-26 |
| 10384913 | Thermal management of linear motor | Walter Thomas Schmidt, Enrico Manes, Beata I. Wawrzyniak, Thomas M. Yun, Shihemn Chen +1 more | 2019-08-20 |
| 10336577 | Braking system for an elevator system | Tadeusz Pawel Witczak | 2019-07-02 |
| 10294074 | Elevator recovery car | Mark Olthuis, Xiaodong Luo, Randall Keith Roberts, Tadeusz Pawel Witczak | 2019-05-21 |
| 10268166 | Intelligent surface systems for building solutions | Tadeusz Pawel Witczak, Marcin Piech, Daryl J. Marvin, Stella M. Oggianu | 2019-04-23 |
| 10246298 | Ropeless elevator system | Tadeusz Pawel Witczak | 2019-04-02 |
| 10196233 | Elevator system assigning cars to floor groups | Tadeusz Pawel Witczak | 2019-02-05 |
| 10199889 | Electric machine having rotor with slanted permanent magnets | Jagadeesh Kumar Tangudu, Richard A. Himmelmann | 2019-02-05 |
| 10196240 | Wireless power supply for self-propelled elevator | Wojciech Szelag, Rafal Wojciechowski, Cezary Jedryczka | 2019-02-05 |
| 10189679 | Elevator car power supply | Tadeusz Pawel Witczak, Wojciech Szelag, Cezary Jedryczka, Bryan Robert Siewert | 2019-01-29 |
| 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 |