loadpatents
Patent applications and USPTO patent grants for Barker; Frederick H..The latest application filed is for "concrete elevator rail and guidance system".
Patent | Date |
---|---|
Concrete rail safety device for an elevator car Grant 6,981,575 - Barker , et al. January 3, 2 | 2006-01-03 |
Concrete Elevator Rail And Guidance System App 20020074192 - BARKER, FREDERICK H. ;   et al. | 2002-06-20 |
Concrete Rail Safety Device For An Elevator Car App 20010047910 - BARKER, FREDERICK H. ;   et al. | 2001-12-06 |
Hallway-entered destination information in elevator dispatching Grant 6,173,816 - Barker , et al. January 16, 2 | 2001-01-16 |
Rope tension monitoring assembly and method Grant 6,123,176 - O'Donnell , et al. September 26, 2 | 2000-09-26 |
Elevator system having high rise elevator without express zone Grant 5,969,304 - Barker , et al. October 19, 1 | 1999-10-19 |
Integrated, multi-level elevator shuttle Grant 5,924,524 - Barker , et al. July 20, 1 | 1999-07-20 |
Pretorque to unload elevator car/floor locks before retraction Grant 5,862,886 - Bennett , et al. January 26, 1 | 1999-01-26 |
Horizontal and vertical passenger transport Grant 5,861,586 - McCarthy , et al. January 19, 1 | 1999-01-19 |
System and method for minimizing horizontal vibration of elevator compensating ropes Grant 5,861,084 - Barker , et al. January 19, 1 | 1999-01-19 |
Fail-safe movement of elevator cabs between car frames and landings Grant 5,829,553 - Wan , et al. November 3, 1 | 1998-11-03 |
Synchronizing elevator arrival at a level of a building Grant 5,785,153 - Powell , et al. July 28, 1 | 1998-07-28 |
Transferring elevator cabs between non-contiguous hoistways Grant 5,773,772 - McCarthy , et al. June 30, 1 | 1998-06-30 |
Synchronized off-shaft loading of elevator cabs Grant 5,758,748 - Barker , et al. June 2, 1 | 1998-06-02 |
Elevator shuttle with auxiliary elevators at terminals Grant 5,752,585 - Bittar , et al. May 19, 1 | 1998-05-19 |
Elevator cabs transferred horizontally between double deck elevators Grant 5,660,249 - Powell , et al. August 26, 1 | 1997-08-26 |
Emergency elevator cab commandeering shuttle Grant 5,655,625 - Barker , et al. August 12, 1 | 1997-08-12 |
Synchronous elevator shuttle system Grant 5,651,426 - Bittar , et al. July 29, 1 | 1997-07-29 |
Maintaining communications and power during transfer of horizontally moveable elevator cab Grant 5,601,156 - McCarthy , et al. February 11, 1 | 1997-02-11 |
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