Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10196233 | Elevator system assigning cars to floor groups | Zbigniew Piech | 2019-02-05 |
| 10189679 | Elevator car power supply | Wojciech Szelag, Cezary Jedryczka, Bryan Robert Siewert, Zbigniew Piech | 2019-01-29 |
| 10155639 | Elevator notice system | Jose Miguel Pasini, Arthur Hsu, David Ginsberg | 2018-12-18 |
| 10144616 | Cab for vertical travel with controllable orientation for non-vertical travel | Arthur Hsu | 2018-12-04 |
| 10059566 | Connecting cars in a multicar elevator system | Zbigniew Piech | 2018-08-28 |
| 9884744 | Ropeless high-rise elevator installation approach | Martin J. Hardesty, Zbigniew Piech | 2018-02-06 |
| 9776832 | Self-propelled cargo lift for elevator systems | Richard N. Fargo, Martin J. Hardesty | 2017-10-03 |