Inventor · disambiguated record
Michael J. Tracey
Also filed as: TRACEY MICHAEL · TRACEY MICHAEL J · TRACEY MICHAEL JOSEPH
33 granted patents·8 pending applications·263 citations·filing 1995–2023
96Inventor score
Top patents by PatentIndex Score
41 records- 0198US11072515B2Automated elevator maintenance mode initiationOTIS ELEVATOR CO·Filed 2018·Granted Jul 27, 2021·9 cites·24 claims
- 0296US6446759B1Door coupler and latch system for elevator car and landing doorsOTIS ELEVATOR CO·Filed 2001·Granted Sep 10, 2002·61 cites·6 claims
- 0394US10569994B2Monitoring system, elevator door system having monitoring system, and methodOTIS ELEVATOR CO·Filed 2016·Granted Feb 25, 2020·4 cites·4 claims
- 0492US11760604B1Versatile elevator door interlock assemblyOTIS ELEVATOR CO·Filed 2022·Granted Sep 19, 2023·1 cites·12 claims
- 0592US11440774B2Elevator roping sway damper assemblyOTIS ELEVATOR CO·Filed 2020·Granted Sep 13, 2022·3 cites·19 claims
- 0688US11034548B2Elevator door interlock assemblyOTIS ELEVATOR CO·Filed 2018·Granted Jun 15, 2021·2 cites·16 claims
- 0784US10710843B2Car door interlock with sill lockOTIS ELEVATOR CO·Filed 2016·Granted Jul 14, 2020·2 cites·20 claims
- 0882US5819877AElevator evacuation deterrent deviceOTIS ELEVATOR CO·Filed 1996·Granted Oct 13, 1998·45 cites·8 claims
- 0981US11795033B2Elevator car door interlockOTIS ELEVATOR CO·Filed 2021·Granted Oct 24, 2023·0 cites·9 claims
- 1079US11655122B2Elevator door in interlock assemblyOTIS ELEVATOR CO·Filed 2021·Granted May 23, 2023·0 cites·12 claims
- 1179US11046557B2Elevator door interlock assemblyOTIS ELEVATOR CO·Filed 2018·Granted Jun 29, 2021·1 cites·14 claims
- 1279US11040858B2Elevator door interlock assemblyOTIS ELEVATOR CO·Filed 2018·Granted Jun 22, 2021·1 cites·7 claims
- 1377US11390487B2Automated elevator safety chain diagnosisOTIS ELEVATOR CO·Filed 2018·Granted Jul 19, 2022·1 cites·24 claims
- 1476US12378095B2System and method of unlocking and opening multiple panel elevator doorsOTIS ELEVATOR CO·Filed 2023·Granted Aug 5, 2025·0 cites·17 claims
- 1576US10837215B2Zone object detection system for elevator systemOTIS ELEVATOR CO·Filed 2018·Granted Nov 17, 2020·4 cites·16 claims
- 1675US11124389B2Elevator car door interlockOTIS ELEVATOR CO·Filed 2020·Granted Sep 21, 2021·0 cites·7 claims
- 1775US5701973ALinear belt door operatorOTIS ELEVATOR CO·Filed 1995·Granted Dec 30, 1997·32 cites·2 claims
- 1874US11661315B2Monitoring system, elevator door system having monitoring system, and methodOTIS ELEVATOR CO·Filed 2020·Granted May 30, 2023·0 cites·15 claims
- 1973US7650970B2Elevator door lock sensor device including proximity sensor elements in a selected geometric patternOTIS ELEVATOR CO·Filed 2004·Granted Jan 26, 2010·16 cites·20 claims
- 2068US8272481B2Guide assembly for at least one elevator doorTRACEY MICHAEL·Filed 2005·Granted Sep 25, 2012·9 cites·23 claims
- 2168US7543686B2Elevator with rollers having selectively variable hardnessOTIS ELEVATOR CO·Filed 2003·Granted Jun 9, 2009·13 cites·16 claims
- 2264US12091283B2Elevator door astragalOTIS ELEVATOR CO·Filed 2021·Granted Sep 17, 2024·0 cites·20 claims
- 2364US10882720B2Elevator car door interlockOTIS ELEVATOR CO·Filed 2016·Granted Jan 5, 2021·0 cites·11 claims
- 2457US11845631B2Synchronizing assembly for elevator door and elevatorOTIS ELEVATOR CO·Filed 2020·Granted Dec 19, 2023·0 cites·18 claims
- 2555US11572251B2Elevator door sensor fusion, fault detection, and service notificationOTIS ELEVATOR CO·Filed 2018·Granted Feb 7, 2023·0 cites·18 claims
- 2655US5659160ALinear belt door operatorOTIS ELEVATOR CO·Filed 1995·Granted Aug 19, 1997·24 cites·16 claims
- 2754US11247872B2Elevator car door interlockOTIS ELEVATOR CO·Filed 2018·Granted Feb 15, 2022·0 cites·11 claims
- 2851US2021403279A1Method and device for installing elevator door componentsOTIS ELEVATOR CO·Filed 2020·Application pending·0 cites
- 2950US11254542B2Car door interlockOTIS ELEVATOR CO·Filed 2018·Granted Feb 22, 2022·0 cites·16 claims
- 3049US11390492B2Method and assembly for positioning an elevator door interlockOTIS ELEVATOR CO·Filed 2018·Granted Jul 19, 2022·0 cites·11 claims
- 3149US2020039794A1Lost motion assemblyOTIS ELEVATOR CO·Filed 2019·Application pending·0 cites
- 3245US5862887AHigh performance linear induction motor door operatorOTIS ELEVATOR CO·Filed 1996·Granted Jan 26, 1999·15 cites·5 claims
- 3340US2015014101A1Elevator car door drive mechanismTRACEY MICHAEL J·Filed 2012·Application pending·0 cites
- 3440US2008156591A1Elevator Car Position DetectionTRACEY MICHAEL J·Filed 2005·Application pending·0 cites
- 3539US2008271957A1Elevator Door CouplerSIEWERT BRYAN R·Filed 2004·Application pending·0 cites
- 3638US2007000732A1Elevator roller guide with variable stiffness damperKULAK RICHARD·Filed 2003·Application pending·0 cites
- 3738US2009094737A1Retrofittable device for providing multiple shower headsTRACEY MICHAEL·Filed 2007·Application pending·0 cites
- 3837US2008271958A1Elevator Door LockLELIC MUHIDIN A·Filed 2004·Application pending·0 cites
- 3936US5841082ASecondary guidance system for linear induction motors driving elevator car doorsOTIS ELEVATOR CO·Filed 1996·Granted Nov 24, 1998·8 cites·10 claims
- 4032US5756946AFlexible mounting of a motor secondary in a linear induction motor for driving elevator car doorsOTIS ELEVATOR CO·Filed 1996·Granted May 26, 1998·4 cites·6 claims
- 4130US5881844ASecondary positioning system for elevator car doorsOTIS ELEVATOR CO·Filed 1996·Granted Mar 16, 1999·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →