Inventor · disambiguated record
Daryl J. Marvin
Also filed as: MARVIN DARYL · MARVIN DARYL J
61 granted patents·13 pending applications·434 citations·filing 1996–2020
98Inventor score
Top patents by PatentIndex Score
74 records- 0196US11591188B2Elevator system roping arrangementOTIS ELEVATOR CO·Filed 2020·Granted Feb 28, 2023·4 cites·8 claims
- 0291US8939262B2Elevator over-acceleration and over-speed protection systemSCHIENDA GREG A·Filed 2009·Granted Jan 27, 2015·34 cites·21 claims
- 0388US11078045B2Electronic safety actuator for lifting a safety wedge of an elevatorOTIS ELEVATOR CO·Filed 2018·Granted Aug 3, 2021·3 cites·10 claims
- 0488US6401875B1Absolute position sensing method and apparatus for synchronous elevator machines by detection stator iron saturationOTIS ELEVATOR CO·Filed 2001·Granted Jun 11, 2002·43 cites·28 claims
- 0587US10773922B2Drive and control for six-phase electrical machines with negligible common-mode voltageOTIS ELEVATOR CO·Filed 2016·Granted Sep 15, 2020·3 cites·11 claims
- 0687US8631909B2Electromagnetic safety triggerDRAPER JAMES M·Filed 2009·Granted Jan 21, 2014·23 cites·16 claims
- 0785US8333265B2Elevator system with regulated input powerKANG PENGJU·Filed 2006·Granted Dec 18, 2012·20 cites·18 claims
- 0884US11848154B2Encapsulated components of electromechanical actuators for elevator systemsOTIS ELEVATOR CO·Filed 2020·Granted Dec 19, 2023·1 cites·16 claims
- 0984US9912266B2Motor torque ripple reduction using DC bus harmonicsOTIS ELEVATOR CO·Filed 2016·Granted Mar 6, 2018·2 cites·18 claims
- 1084US9422135B2Elevator drive power supply controlROGERS KYLE W·Filed 2011·Granted Aug 23, 2016·9 cites·20 claims
- 1184US5646496AApparatus and method for generating digital position signals for a rotatable shaftDANA CORP·Filed 1996·Granted Jul 8, 1997·82 cites·18 claims
- 1283US10894695B2Device and method for actuating an elevator safety brakeOTIS ELEVATOR CO·Filed 2016·Granted Jan 19, 2021·2 cites·17 claims
- 1383US10427908B2Emergency mode operation of elevator system having linear propulsion systemOTIS ELEVATOR CO·Filed 2016·Granted Oct 1, 2019·2 cites·10 claims
- 1481US10618776B2Brake member actuation mechanismOTIS ELEVATOR CO·Filed 2015·Granted Apr 14, 2020·2 cites·4 claims
- 1581US10494227B2Braking system resetting mechanism for a hoisted structureOTIS ELEVATOR CO·Filed 2015·Granted Dec 3, 2019·2 cites·19 claims
- 1681US9915307B2BrakePIECH ZBIGNIEW·Filed 2012·Granted Mar 13, 2018·5 cites·2 claims
- 1781US9688512B2Elevator brakeOTIS ELEVATOR CO·Filed 2012·Granted Jun 27, 2017·7 cites·4 claims
- 1879US11498802B2Elevator systems and methods of controlling elevators responsive to detected passenger statesOTIS ELEVATOR CO·Filed 2017·Granted Nov 15, 2022·1 cites·20 claims
- 1978US10781075B2Emergency safety actuator for an elevatorOTIS ELEVATOR CO·Filed 2013·Granted Sep 22, 2020·5 cites·17 claims
- 2078US5760562AApparatus and method for generating digital position signals for a rotatable shaftDANA CORP·Filed 1997·Granted Jun 2, 1998·54 cites·33 claims
- 2177US9975729B2Elevator system using dynamic brakingROGERS KYLE W·Filed 2012·Granted May 22, 2018·3 cites·14 claims
- 2276US9296589B2Elevator regenerative drive control referenced to DC busMARVIN DARYL J·Filed 2010·Granted Mar 29, 2016·5 cites·9 claims
- 2375US11053097B2Magnet assembly for an electronic safety brake actuator (ESBA)OTIS ELEVATOR CO·Filed 2018·Granted Jul 6, 2021·1 cites·6 claims
- 2475US10246295B2Protective device for speed sensing deviceOTIS ELEVATOR CO·Filed 2016·Granted Apr 2, 2019·1 cites·19 claims
- 2574US6483271B1Motor drive parametersOTIS ELEVATOR CO·Filed 2000·Granted Nov 19, 2002·24 cites·13 claims
- 2672US5808880APower factor controller for active converterOTIS ELEVATOR CO·Filed 1996·Granted Sep 15, 1998·42 cites·5 claims
- 2770US9935494B2Elevator power supply for inverter controllerROGERS KYLE W·Filed 2012·Granted Apr 3, 2018·4 cites·7 claims
- 2870US8820483B2Elevator machine supportERICSON RICHARD J·Filed 2008·Granted Sep 2, 2014·8 cites·20 claims
- 2969US9815665B2Battery mounting in elevator hoistwayROGERS KYLE W·Filed 2012·Granted Nov 14, 2017·4 cites·8 claims
- 3068US9511976B2Position feedback for elevator systemKANG KEUNMO·Filed 2011·Granted Dec 6, 2016·4 cites·16 claims
- 3168US9372083B2Device and method for determining position information using accelerometers on a rotating componentKANG KEUNMO·Filed 2011·Granted Jun 21, 2016·4 cites·22 claims
- 3265US8922074B2Elevator machine motor and drive and cooling thereofGORBOUNOV MIKHAIL B·Filed 2010·Granted Dec 30, 2014·2 cites·6 claims
- 3364US9995711B2Calibration of wear detection systemGARFINKEL MICHAEL·Filed 2012·Granted Jun 12, 2018·3 cites·10 claims
- 3463US8459415B2Elevator motion profile control including non-instantaneous transition between jerk valuesKWON YISUG·Filed 2008·Granted Jun 11, 2013·6 cites·18 claims
- 3562US9586789B2Elevator braking in a battery powered elevator systemOTIS ELEVATOR CO·Filed 2013·Granted Mar 7, 2017·1 cites·15 claims
- 3660US11046552B2Method and system of reducing false actuation of safety brakes in elevator systemOTIS ELEVATOR CO·Filed 2018·Granted Jun 29, 2021·0 cites·20 claims
- 3760US10927915B2Spring useful for elevator safety deviceOTIS ELEVATOR CO·Filed 2017·Granted Feb 23, 2021·0 cites·13 claims
- 3860US10146189B2Safety chain circuitROGERS KYLE W·Filed 2012·Granted Dec 4, 2018·2 cites·20 claims
- 3960US10051040B2Elevator system using dual communication channelsMARVIN DARYL J·Filed 2012·Granted Aug 14, 2018·1 cites·16 claims
- 4060US10000366B2Brake torque controlHUBBARD JAMES L·Filed 2009·Granted Jun 19, 2018·1 cites·22 claims
- 4158US10268166B2Intelligent surface systems for building solutionsOTIS ELEVATOR CO·Filed 2016·Granted Apr 23, 2019·0 cites·18 claims
- 4258US2017362063A1Elevator system roping arrangementOTIS ELEVATOR CO·Filed 2015·Application pending·0 cites
- 4356US11117781B2Vertical bounce detection and mitigationOTIS ELEVATOR CO·Filed 2018·Granted Sep 14, 2021·0 cites·18 claims
- 4456US9804612B2Regulated bootstrap power supplyMARVIN DARYL J·Filed 2010·Granted Oct 31, 2017·1 cites·17 claims
- 4555US9561936B2Elevator system door frame that supports guide railsMILLER ROBIN MIHEKUN·Filed 2009·Granted Feb 7, 2017·3 cites·20 claims
- 4654US10906782B2Passive elevator carOTIS ELEVATOR CO·Filed 2016·Granted Feb 2, 2021·0 cites·8 claims
- 4754US10112803B2Protection assembly for elevator braking assembly speed sensing device and methodOTIS ELEVATOR CO·Filed 2016·Granted Oct 30, 2018·0 cites·17 claims
- 4854US8827044B2Over-acceleration and over-speed detection and processing systemMARVIN DARYL J·Filed 2009·Granted Sep 9, 2014·3 cites·34 claims
- 4953US10745238B2Power distribution for multicar, ropeless elevator systemOTIS ELEVATOR CO·Filed 2016·Granted Aug 18, 2020·0 cites·19 claims
- 5053US9981826B2Braking device for braking a hoisted object relative to a guide memberOTIS ELEVATOR CO·Filed 2013·Granted May 29, 2018·1 cites·15 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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