Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9010499 | Multi-car elevator hoistway separation assurance | Richard E. Peruggi, Randall Keith Roberts, Greg A. Schienda, Harold Terry, Gilbert W. Wierschke | 2015-04-21 |
| 8292038 | Control device for operating two elevator cars in a single hoistway | Greg A. Schienda, Harold Terry | 2012-10-23 |
| 6435314 | Elevator platform stabilization coupler | Joseph Bledsoe, Thomas He, Chris Singarella | 2002-08-20 |
| 6431325 | Acceleration control system utilizing elevator platform stabilization coupler | Joseph Bledsoe, Thomas He, Chris Singarella | 2002-08-13 |
| 5924524 | Integrated, multi-level elevator shuttle | Frederick H. Barker, Gilbert W. Wierschke, Paul Bennett, Anthony Cooney, Joseph Bittar +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, Joseph Bittar +3 more | 1999-01-26 |
| 5861586 | Horizontal and vertical passenger transport | Joseph Bittar, 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, Joseph Bittar +2 more | 1998-11-03 |
| 5823299 | Shuttle elevators feeding local elevators | Gilbert W. Wierschke, Frederick H. Barker, Paul Bennett, Anthony Cooney, Joseph Bittar +2 more | 1998-10-20 |
| 5785153 | Synchronizing elevator arrival at a level of a building | Bruce A. Powell, Joseph Bittar, Frederick H. Barker, Samuel C. Wan, Paul Bennett +2 more | 1998-07-28 |
| 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 |
| 5773772 | Transferring elevator cabs between non-contiguous hoistways | Joseph Bittar, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan, Paul Bennett +2 more | 1998-06-30 |
| 5758748 | Synchronized off-shaft loading of elevator cabs | Frederick H. Barker, Paul Bennett, Anthony Cooney, Joseph Bittar, Bruce A. Powell +2 more | 1998-06-02 |
| 5752585 | Elevator shuttle with auxiliary elevators at terminals | Joseph Bittar, Anthony Cooney, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan +2 more | 1998-05-19 |
| 5749441 | Extra deck elevator shuttle | Joseph Bittar, Paul Bennett, Gilbert W. Wierschke, Samuel C. Wan, Bruce A. Powell +2 more | 1998-05-12 |
| 5732795 | Power and communication for elevator car without traveling cable | Joseph Bittar | 1998-03-31 |
| 5712456 | Flywheel energy storage for operating elevators | Joseph Bittar | 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, Joseph Bittar, 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, Joseph Bittar, Frederick H. Barker, Samuel C. Wan, Paul Bennett +1 more | 1997-08-26 |
| 5655625 | Emergency elevator cab commandeering shuttle | Frederick H. Barker, LucyMary Salmon, Paul Bennett, Anthony Cooney, Joseph Bittar +2 more | 1997-08-12 |
| 5651426 | Synchronous elevator shuttle system | Joseph Bittar, Anthony Cooney, 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 | Joseph Bittar, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan, Paul Bennett +2 more | 1997-02-11 |
| 5360085 | Elevator cab position sensing with reduced operating noise | Young S. Yoo | 1994-11-01 |
| 5343003 | Recalibration of hitch load weighing using dynamic tare | Eric K. Jamieson, Young S. Yoo | 1994-08-30 |