Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |