| 5857545 |
Elevator system with overlapped roped-coupler segments |
David W. Barrett, John F. Cassidy, Jr., George A. L. David, Richard E. Peruggi |
1999-01-12 |
| 5816368 |
Elevator cars switch hoistways while traveling vertically |
David W. Barrett, John F. Cassidy, Jr., George A. L. David, Andrew F. Peruggi, Richard E. Peruggi |
1998-10-06 |
| 5373120 |
Linear door motor system for elevators |
David W. Barrett, Richard E. Peruggi, Louis Bialy |
1994-12-13 |
| 5235145 |
Elevator with linear motor drive assembly |
Eric G. Olsen, Jerome F. Jaminet |
1993-08-10 |
| 5235226 |
Highly conductive layer arrangement for a linear motor secondary |
Eric G. Olsen, Jerome F. Jaminet |
1993-08-10 |
| 5189268 |
Elevator with linear motor drive assembly |
Marcel Pavoz |
1993-02-23 |
| 5086881 |
Elevator driven by a flat linear motor |
Jerome F. Jaminet, Eric G. Olsen |
1992-02-11 |
| 5062501 |
Elevator with linear motor counterweight assembly |
Marcel Pavoz |
1991-11-05 |