Issued Patents All Time
Showing 25 most recent of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152265 | Accommodating visually handicapped in elevator up-peak channeling | Joseph Bledsoe, Bruce A. Powell, Steven M. Skolnick, Michael Hayes Wilson | 2000-11-28 |
| 6038980 | Transferring freight or passenger cabs between moving bogies | Frederick H. Barker, Anthony Cooney, David I. Perl, Richard E. Peruggi, Michael D. Silverberg | 2000-03-21 |
| 5969304 | Elevator system having high rise elevator without express zone | Frederick H. Barker, Bruce A. Powell | 1999-10-19 |
| 5924524 | Integrated, multi-level elevator shuttle | Frederick H. Barker, Gilbert W. Wierschke, Paul Bennett, Anthony Cooney, Richard C. McCarthy +2 more | 1999-07-20 |
| 5862886 | Pretorque to unload elevator car/floor locks before retraction | Paul Bennett, Bruce A. Powell, Samuel C. Wan, Anthony Cooney, Richard C. McCarthy +3 more | 1999-01-26 |
| 5861586 | Horizontal and vertical passenger transport | Richard C. McCarthy, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan, Paul Bennett +2 more | 1999-01-19 |
| 5829553 | Fail-safe movement of elevator cabs between car frames and landings | Samuel C. Wan, Bruce A. Powell, Paul Bennett, Anthony Cooney, Richard C. McCarthy +2 more | 1998-11-03 |
| 5823299 | Shuttle elevators feeding local elevators | Gilbert W. Wierschke, Frederick H. Barker, Paul Bennett, Anthony Cooney, Richard C. McCarthy +2 more | 1998-10-20 |
| 5785153 | Synchronizing elevator arrival at a level of a building | Bruce A. Powell, Frederick H. Barker, Samuel C. Wan, Paul Bennett, Anthony Cooney +2 more | 1998-07-28 |
| 5773772 | Transferring elevator cabs between non-contiguous hoistways | Richard C. McCarthy, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan, Paul Bennett +2 more | 1998-06-30 |
| 5771995 | Locking elevator car frame to building during loading/unloading horizontally moveable cab | Anthony Cooney, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan, Paul Bennett +1 more | 1998-06-30 |
| 5758748 | Synchronized off-shaft loading of elevator cabs | Frederick H. Barker, Paul Bennett, Anthony Cooney, Richard C. McCarthy, Bruce A. Powell +2 more | 1998-06-02 |
| 5752585 | Elevator shuttle with auxiliary elevators at terminals | Anthony Cooney, Richard C. McCarthy, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan +2 more | 1998-05-19 |
| 5749441 | Extra deck elevator shuttle | Paul Bennett, Gilbert W. Wierschke, Samuel C. Wan, Bruce A. Powell, Frederick H. Barker +2 more | 1998-05-12 |
| 5732795 | Power and communication for elevator car without traveling cable | Richard C. McCarthy | 1998-03-31 |
| 5712456 | Flywheel energy storage for operating elevators | Richard C. McCarthy | 1998-01-27 |
| 5695024 | Car operated safety gate for horizontally transferrable elevator cab | Samuel C. Wan, Frederick H. Barker, Bruce A. Powell, Gilbert W. Wierschke, Paul Bennett +2 more | 1997-12-09 |
| 5663539 | Passenger transfer, double deck, multi-elevator shuttle system | Bruce A. Powell, Richard C. McCarthy, Frederick H. Barker, Samuel C. Wan, Paul Bennett +2 more | 1997-09-02 |
| 5660249 | Elevator cabs transferred horizontally between double deck elevators | Bruce A. Powell, Frederick H. Barker, Samuel C. Wan, Paul Bennett, Anthony Cooney +1 more | 1997-08-26 |
| 5657835 | Elevator shuttle employing horizontally transferred cab | — | 1997-08-19 |
| 5655625 | Emergency elevator cab commandeering shuttle | Frederick H. Barker, LucyMary Salmon, Paul Bennett, Anthony Cooney, Richard C. McCarthy +2 more | 1997-08-12 |
| 5651426 | Synchronous elevator shuttle system | Anthony Cooney, Richard C. McCarthy, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan +2 more | 1997-07-29 |
| 5601156 | Maintaining communications and power during transfer of horizontally moveable elevator cab | Richard C. McCarthy, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan, Paul Bennett +2 more | 1997-02-11 |
| 5564550 | Adapting escalator speed to traffic using fuzzy logic | Jean-Pierre van Rooy, David J. Sirag, Jr., Bruce A. Powell | 1996-10-15 |
| 5480005 | Elevator swing car assignment to plural groups | — | 1996-01-02 |