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Elevator safety system having multiple buses |
Shari R. Parillo, Paul C. Hoppie, Robert Mazzamauro, Ronnie E. Thebeau, Leslie C. Watterson +1 more |
2016-06-21 |
| 8459415 |
Elevator motion profile control including non-instantaneous transition between jerk values |
YiSug Kwon, Daryl J. Marvin, Randall Keith Roberts |
2013-06-11 |
| 6701277 |
Elevator car position sensing system |
Jason S. Stone, Julian H. Shull Jr., Richard A. Schafer, Kim Ngoc Trinh, William G. Edgar +1 more |
2004-03-02 |
| 6526368 |
Elevator car position sensing system |
Jason S. Stone, Julian H. Shull, D. Richard Schafer, Kim Ngoc Trinh, William G. Edgar +1 more |
2003-02-25 |
| 6082498 |
Normal thermal stopping device with non-critical vane spacing |
Sally Day Mahoney |
2000-07-04 |
| 6032761 |
Elevator hoistway terminal zone position checkpoint detection apparatus using a binary coding method for an emergency terminal speed limiting device |
August J. Dobler |
2000-03-07 |
| 5747755 |
Elevator position compensation system |
Jeff Izard |
1998-05-05 |
| 5107964 |
Separate elevator door chain |
Eric K. Jamieson |
1992-04-28 |
| 4750591 |
Elevator car door and motion sequence monitoring apparatus and method |
Gregory A. Schienda |
1988-06-14 |
| 4520904 |
Elevator leveling signal error and correction |
David Rado |
1985-06-04 |