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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 |