| 12259267 |
Self reporting fire suppressant tank configuration |
Marcin Piech, Cezary Jedryczka |
2025-03-25 |
| 11904196 |
Magnetic trap suppression tank level sensor |
Marcin Piech, Cezary Jedryczka, Rafal Wojciechowski, Tadeusz Pawel Witczak |
2024-02-20 |
| 11203510 |
Electrohydraulic damper for elevator system |
Tadeusz Pawel Witczak, Cezary Jedryczka, Adam Marian Myszkowski |
2021-12-21 |
| 11146140 |
Universal electromagnetic machine |
Tadeusz Pawel Witczak, Zbigniew Piech, Cezary Jedryczka, Stella M. Oggianu, Adam Marian Myszkowski |
2021-10-12 |
| 10958123 |
Electromagnetic machine |
Tadeusz Pawel Witczak, Stella M. Oggianu, Cezary Jedryczka, Adam Marian Myszkowski, Zbigniew Piech |
2021-03-23 |
| 10910903 |
Dual rotor, coreless, electromagnetic machine |
Tadeusz Pawel Witczak, Cezary Jedryczka, Stella M. Oggianu, Zbigniew Piech |
2021-02-02 |
| 10865071 |
Configurable multicar elevator system |
Randall Keith Roberts, Zbigniew Piech, Adam Marian Myszkowski, Cezary Jedryczka, Tadeusz Pawel Witczak +3 more |
2020-12-15 |
| 10752466 |
Transfer station for a ropeless elevator system with redundancy of subcomponents and parking zone |
Cezary Jedryczka, Adam Marian Myszkowski, Tadeusz Pawel Witczak, Zbigniew Piech, Bruce P. Swaybill +2 more |
2020-08-25 |
| 10196240 |
Wireless power supply for self-propelled elevator |
Zbigniew Piech, Rafal Wojciechowski, Cezary Jedryczka |
2019-02-05 |
| 10189679 |
Elevator car power supply |
Tadeusz Pawel Witczak, Cezary Jedryczka, Bryan Robert Siewert, Zbigniew Piech |
2019-01-29 |
| 9950902 |
Stator structure for self-propelled elevator |
Zbigniew Piech, Adam Marian Myszkowski, Cezary Jedryczka |
2018-04-24 |
| 9932204 |
Drive unit for multiphase permanent magnet synchronous motor |
Zbigniew Piech, Cezary Jedryczka |
2018-04-03 |
| 9376295 |
Elevator brake device including permanent magnet bias to apply a braking force |
Zbigniew Piech |
2016-06-28 |
| 8631917 |
Elevator brake with magneto-rheological fluid |
Zbigniew Piech |
2014-01-21 |