Inventor · disambiguated record
Frederick H. Barker
Also filed as: BARKER FREDERICK H
25 granted patents·617 citations·filing 1995–1999
97Inventor score
Files withOTIS ELEVATOR CO25
Top patents by PatentIndex Score
25 records- 0197US6123176ARope tension monitoring assembly and methodOTIS ELEVATOR CO·Filed 1997·Granted Sep 26, 2000·127 cites·29 claims
- 0293US5861084ASystem and method for minimizing horizontal vibration of elevator compensating ropesOTIS ELEVATOR CO·Filed 1997·Granted Jan 19, 1999·80 cites·7 claims
- 0385US5651426ASynchronous elevator shuttle systemOTIS ELEVATOR CO·Filed 1995·Granted Jul 29, 1997·44 cites·21 claims
- 0478US5924524AIntegrated, multi-level elevator shuttleOTIS ELEVATOR CO·Filed 1996·Granted Jul 20, 1999·33 cites·6 claims
- 0574US5823299AShuttle elevators feeding local elevatorsOTIS ELEVATOR CO·Filed 1996·Granted Oct 20, 1998·30 cites·17 claims
- 0673US5758748ASynchronized off-shaft loading of elevator cabsOTIS ELEVATOR CO·Filed 1995·Granted Jun 2, 1998·29 cites·10 claims
- 0773US5601156AMaintaining communications and power during transfer of horizontally moveable elevator cabOTIS ELEVATOR CO·Filed 1996·Granted Feb 11, 1997·29 cites·17 claims
- 0871US5861586AHorizontal and vertical passenger transportOTIS ELEVATOR CO·Filed 1996·Granted Jan 19, 1999·27 cites·31 claims
- 0970US5773772ATransferring elevator cabs between non-contiguous hoistwaysOTIS ELEVATOR CO·Filed 1996·Granted Jun 30, 1998·26 cites·29 claims
- 1068US5785153ASynchronizing elevator arrival at a level of a buildingOTIS ELEVATOR CO·Filed 1996·Granted Jul 28, 1998·27 cites·27 claims
- 1161US5752585AElevator shuttle with auxiliary elevators at terminalsOTIS ELEVATOR CO·Filed 1996·Granted May 19, 1998·22 cites·8 claims
- 1261US5660249AElevator cabs transferred horizontally between double deck elevatorsOTIS ELEVATOR CO·Filed 1995·Granted Aug 26, 1997·22 cites·3 claims
- 1360US5771995ALocking elevator car frame to building during loading/unloading horizontally moveable cabOTIS ELEVATOR CO·Filed 1995·Granted Jun 30, 1998·20 cites·21 claims
- 1456US5969304AElevator system having high rise elevator without express zoneOTIS ELEVATOR CO·Filed 1998·Granted Oct 19, 1999·17 cites·6 claims
- 1545US6173816B1Hallway-entered destination information in elevator dispatchingOTIS ELEVATOR CO·Filed 1999·Granted Jan 16, 2001·12 cites·4 claims
- 1644US5655625AEmergency elevator cab commandeering shuttleOTIS ELEVATOR CO·Filed 1995·Granted Aug 12, 1997·12 cites·5 claims
- 1741US6038980ATransferring freight or passenger cabs between moving bogiesOTIS ELEVATOR CO·Filed 1998·Granted Mar 21, 2000·10 cites·11 claims
- 1840US5829553AFail-safe movement of elevator cabs between car frames and landingsOTIS ELEVATOR CO·Filed 1996·Granted Nov 3, 1998·10 cites·15 claims
- 1939US5862886APretorque to unload elevator car/floor locks before retractionOTIS ELEVATOR CO·Filed 1995·Granted Jan 26, 1999·9 cites·7 claims
- 2037US5749441AExtra deck elevator shuttleOTIS ELEVATOR CO·Filed 1996·Granted May 12, 1998·8 cites·22 claims
- 2135US5663539APassenger transfer, double deck, multi-elevator shuttle systemOTIS ELEVATOR CO·Filed 1995·Granted Sep 2, 1997·7 cites·11 claims
- 2234US5695024ACar operated safety gate for horizontally transferrable elevator cabOTIS ELEVATOR CO·Filed 1995·Granted Dec 9, 1997·6 cites·6 claims
- 2333US6578673B2Concrete elevator rail and guidance systemOTIS ELEVATOR CO·Filed 1999·Granted Jun 17, 2003·5 cites·6 claims
- 2432US6981575B2Concrete rail safety device for an elevator carOTIS ELEVATOR CO·Filed 1999·Granted Jan 3, 2006·4 cites·20 claims
- 2530US5950769ABridge rails for horizontally moveable passenger or freight cabOTIS ELEVATOR CO·Filed 1998·Granted Sep 14, 1999·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →