Issued Patents 2019
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 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 |
| 10196233 | Elevator system assigning cars to floor groups | Tadeusz Pawel Witczak | 2019-02-05 |
| 10189679 | Elevator car power supply | Tadeusz Pawel Witczak, Wojciech Szelag, Cezary Jedryczka, Bryan Robert Siewert | 2019-01-29 |