Issued Patents All Time
Showing 25 most recent of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8807288 | Retractable toe guard | Bruce St. Pierre, Frank Sansevero | 2014-08-19 |
| 7150342 | Elevator structure mounting system having horizontal member for reducing building loads at top of hoistway | Leandre Adifon, Richard N. Fargo, Thomas E. Landry, Bruce St. Pierre, Bruce P. Swaybill | 2006-12-19 |
| 6513204 | Flexible flat tension member termination device | Richard J. Ericson, Leroy H. Favrow, John P. Wesson | 2003-02-04 |
| 6484368 | Flexible flat tension member termination device | Richard J. Ericson, Leroy H. Favrow, John P. Wesson | 2002-11-26 |
| 6095288 | Pit-less elevator | Bruce St. Pierre, Frank Sansevero | 2000-08-01 |
| 6032764 | Roller guide assembly with sound isolation | John Ferrisi, Akihiro Hasegawa, Bruce P. Swaybill | 2000-03-07 |
| 6000503 | Sliding two speed door mechanism for an elevator car | James M. Draper | 1999-12-14 |
| 5950771 | Roller guide friction damper | John Ferrisi, Akihiro Hasegawa, Bruce P. Swaybill | 1999-09-14 |
| 5862887 | High performance linear induction motor door operator | Bruce P. Swaybill, William L. King, Thomas M. Kowalczyk, Richard E. Kulak, Michael J. Tracey +1 more | 1999-01-26 |
| 5841082 | Secondary guidance system for linear induction motors driving elevator car doors | Michael J. Tracey | 1998-11-24 |
| 5819877 | Elevator evacuation deterrent device | Richard E. Kulak, Michael J. Tracey, Valery Sheynkman, Duane R. Stupienski, Blair J. Cohen | 1998-10-13 |
| 5819878 | Pretensioning system for synchronization and positioning system | Dale R. Barrett, Bruce P. Swaybill | 1998-10-13 |
| 5756946 | Flexible mounting of a motor secondary in a linear induction motor for driving elevator car doors | Michael J. Tracey | 1998-05-26 |
| 5708416 | Wireless detection or control arrangement for escalator or moving walk | Vlad Zaharia | 1998-01-13 |
| 5706913 | Guide assembly for an elevator door | — | 1998-01-13 |
| 5690190 | Overlay for an elevator guide rail | — | 1997-11-25 |
| 5673771 | Overlay for an elevator guide rail | — | 1997-10-07 |
| 5671829 | Brake system for elevator car doors | — | 1997-09-30 |
| 5458220 | Balustrade for a passenger conveyor | Dat Nguyen, Dale R. Barrett | 1995-10-17 |
| 5381687 | Escalator combplate stop switch load calibrating assembly | Dat Nguyen | 1995-01-17 |
| 5351800 | Escalator step axle attachment assembly | Gerald E. Johnson | 1994-10-04 |
| 5332078 | Balustrade handrail entry guard | Gerald E. Johnson | 1994-07-26 |
| D348757 | Escalator handrail entry housing | Dat Nguyen, Dale R. Barrett, Gerald E. Johnson | 1994-07-12 |
| 5307918 | Escalator combplate stop switch assembly | Dat Nguyen | 1994-05-03 |
| 5305855 | Sealed elevator cab entrance assembly | Christian G. Tonna | 1994-04-26 |