Inventor · disambiguated record
Randall S. Dube
Also filed as: DUBE RANDALL S
19 granted patents·4 pending applications·45 citations·filing 2006–2021
91Inventor score
Top patents by PatentIndex Score
23 records- 0197US10112802B2Elevator service person collision protection systemOTIS ELEVATOR CO·Filed 2017·Granted Oct 30, 2018·10 cites·18 claims
- 0289US10822200B2Elevator safety actuator systemsOTIS ELEVATOR CO·Filed 2018·Granted Nov 3, 2020·3 cites·20 claims
- 0389US10407275B2Detection and control system for elevator operationsOTIS ELEVATOR CO·Filed 2016·Granted Sep 10, 2019·4 cites·21 claims
- 0489US10214385B2Elevator brake wedgeOTIS ELEVATOR CO·Filed 2017·Granted Feb 26, 2019·5 cites·7 claims
- 0587US11155440B2Elevator overspeed governor with automatic resetOTIS ELEVATOR CO·Filed 2019·Granted Oct 26, 2021·2 cites·9 claims
- 0684US10472209B2Elevator overspeed governor with automatic resetOTIS ELEVATOR CO·Filed 2017·Granted Nov 12, 2019·2 cites·14 claims
- 0784US10329120B2Elevator overspeed governorOTIS ELEVATOR CO·Filed 2016·Granted Jun 25, 2019·2 cites·23 claims
- 0877US11542122B2Elevator overspeed governor with automatic resetOTIS ELEVATOR CO·Filed 2021·Granted Jan 3, 2023·0 cites·11 claims
- 0975US10745245B2Governor assembly and elevatorOTIS ELEVATOR CO·Filed 2017·Granted Aug 18, 2020·1 cites·21 claims
- 1073US9359173B2Elevator governor having two tripping mechanisms on separate sheavesDUBE RANDALL S·Filed 2011·Granted Jun 7, 2016·5 cites·20 claims
- 1170US9517918B2Car mounted overspeed governor actuation deviceDUBE RANDALL S·Filed 2012·Granted Dec 13, 2016·3 cites·17 claims
- 1265US8136795B2Centrifugally actuated governorDUBE RANDALL S·Filed 2006·Granted Mar 20, 2012·7 cites·24 claims
- 1363US11130655B2Elevator car dynamic sag damping systemOTIS ELEVATOR CO·Filed 2019·Granted Sep 28, 2021·0 cites·16 claims
- 1462US11040852B2Elevator car control to address abnormal passenger behaviorOTIS ELEVATOR CO·Filed 2018·Granted Jun 22, 2021·0 cites·28 claims
- 1560US11046552B2Method and system of reducing false actuation of safety brakes in elevator systemOTIS ELEVATOR CO·Filed 2018·Granted Jun 29, 2021·0 cites·20 claims
- 1660US10968077B2Enhanced governor system for elevatorOTIS ELEVATOR CO·Filed 2018·Granted Apr 6, 2021·0 cites·14 claims
- 1753US9981826B2Braking device for braking a hoisted object relative to a guide memberOTIS ELEVATOR CO·Filed 2013·Granted May 29, 2018·1 cites·15 claims
- 1851US10759631B2Remote triggering device, overspeed governor assembly and elevatorOTIS ELEVATOR CO·Filed 2017·Granted Sep 1, 2020·0 cites·17 claims
- 1948US2020031624A1Elevator tension member verificationOTIS ELEVATOR CO·Filed 2018·Application pending·0 cites
- 2047US11034546B2Elevator governorOTIS ELEVATOR CO·Filed 2018·Granted Jun 15, 2021·0 cites·17 claims
- 2142US2017073190A1Actuator assembly for an elevator governor system and methodOTIS ELEVATOR CO·Filed 2016·Application pending·0 cites
- 2242US2019248628A1Magnetic brake actuator assembly for elevator systemOTIS ELEVATOR CO·Filed 2018·Application pending·0 cites
- 2339US2017152126A1System and method of operating a governor with independent threshold speedsOTIS ELEVATOR CO·Filed 2015·Application pending·0 cites
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