| 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 |
$35,711,000 |
| 6431325 |
Acceleration control system utilizing elevator platform stabilization coupler |
Joseph Bledsoe, Thomas He, Chris Singarella |
2002-08-13 |
$229,978,000 |
| 5924524 |
Integrated, multi-level elevator shuttle |
Frederick H. Barker, Gilbert W. Wierschke, Paul Bennett, Anthony Cooney, Joseph Bittar +2 more |
1999-07-20 |
$49,081,000 |
| 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 |
$17,469,000 |
| 5861586 |
Horizontal and vertical passenger transport |
Joseph Bittar, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan, Paul Bennett +2 more |
1999-01-19 |
$21,841,000 |
| 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 |
$22,084,000 |
| 5823299 |
Shuttle elevators feeding local elevators |
Gilbert W. Wierschke, Frederick H. Barker, Paul Bennett, Anthony Cooney, Joseph Bittar +2 more |
1998-10-20 |
$12,465,000 |
| 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 |
$9,410,000 |
| 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 |
$20,094,000 |
| 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 |
$20,094,000 |
| 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 |
$14,106,000 |
| 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 |
$50,287,000 |
| 5749441 |
Extra deck elevator shuttle |
Joseph Bittar, Paul Bennett, Gilbert W. Wierschke, Samuel C. Wan, Bruce A. Powell +2 more |
1998-05-12 |
$15,813,000 |
| 5732795 |
Power and communication for elevator car without traveling cable |
Joseph Bittar |
1998-03-31 |
$17,285,000 |
| 5712456 |
Flywheel energy storage for operating elevators |
Joseph Bittar |
1998-01-27 |
$31,754,000 |
| 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 |
$10,348,000 |
| 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 |
$86,542,000 |
| 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 |
$16,768,000 |
| 5655625 |
Emergency elevator cab commandeering shuttle |
Frederick H. Barker, LucyMary Salmon, Paul Bennett, Anthony Cooney, Joseph Bittar +2 more |
1997-08-12 |
$21,449,000 |
| 5651426 |
Synchronous elevator shuttle system |
Joseph Bittar, Anthony Cooney, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan +2 more |
1997-07-29 |
$12,363,000 |
| 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 |
$17,478,000 |
| 5360085 |
Elevator cab position sensing with reduced operating noise |
Young S. Yoo |
1994-11-01 |
$8,499,000 |
| 5343003 |
Recalibration of hitch load weighing using dynamic tare |
Eric K. Jamieson, Young S. Yoo |
1994-08-30 |
$7,592,000 |