Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |