| 11807493 |
Retrofitted hoist machine |
Christopher H. Koenig, Daniel B. Davis, III, Gregory M. O'Seep, John Eschenbrenner, Jesse R. Richter +1 more |
2023-11-07 |
| 11214465 |
Elevator system suspension member |
Kathryn Rauss Sherrick |
2022-01-04 |
| 9708157 |
Controlling speed of an elevator using a speed reducing switch and governor |
Joseph L. Della Porta |
2017-07-18 |
| 8302740 |
Integrated support for elevator machine, sheaves and terminations |
Bruce P. Swaybill, Bruce St. Pierre, Leandre Adifon |
2012-11-06 |
| 8028809 |
Elevator system control providing specialized service features and individual location information |
Gary Meguerdichian |
2011-10-04 |
| 7882938 |
Elevator system control providing specialized service features to facilitate a passenger accessing an assigned elevator car |
Gary Meguerdichian |
2011-02-08 |
| 6684055 |
System for remotely communicating voice and data to and from an elevator controller |
Timothy M. Remmers |
2004-01-27 |
| 6481538 |
Elevator guide rail mounting assembly |
William A. Wurts |
2002-11-19 |
| 6364066 |
Remote rescue of trapped elevator passengers |
James R. Bolch, Joseph J. Barna |
2002-04-02 |
| 6269910 |
Elevator rescue system |
Richard N. Fargo, Gerard Sirigu, Helmut Schroder-Brumloop, Joseph J. Barna |
2001-08-07 |
| 6196355 |
Elevator rescue system |
Richard N. Fargo, Gerard Sirigu, Helmut Schroder-Brumloop, Joseph J. Barna |
2001-03-06 |
| 6147620 |
Remote monitoring of elevator cab lights |
Timothy M. Remmers, William A. Wurts, William C. Rogers |
2000-11-14 |
| 5889239 |
Method for monitoring elevator leveling performance with improved accuracy |
Timothy M. Remmers, William A. Wurts |
1999-03-30 |
| 5450478 |
Remotely programmable equipment monitoring telephone line protocol |
Theresa M. Christy, Brian Beloin, Michael E. Dickinson |
1995-09-12 |
| 4688183 |
Fire and security system with multi detector-occupancy-temperature-smoke (MDOTS) sensors |
Richard T. Carll |
1987-08-18 |
| 4654640 |
Digital PBX integrated workstation security system |
Richard T. Carll |
1987-03-31 |
