DM

Daryl J. Marvin

OE Otis Elevator: 59 patents #3 of 1,840Top 1%
DL Dana Limited: 2 patents #266 of 1,099Top 25%
📍 Farmington, CT: #3 of 372 inventorsTop 1%
🗺 Connecticut: #317 of 34,797 inventorsTop 1%
Overall (All Time): #37,764 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 26–50 of 61 patents

Patent #TitleCo-InventorsDate
10112803 Protection assembly for elevator braking assembly speed sensing device and method Guohong Hu 2018-10-30
10051040 Elevator system using dual communication channels Vijay Jayachandran, Bruce P. Lerner 2018-08-14
10000366 Brake torque control James L. Hubbard, Stephen R. Nichols, Harold Terry 2018-06-19
9995711 Calibration of wear detection system Michael Garfinkel 2018-06-12
9981826 Braking device for braking a hoisted object relative to a guide member Justin Billard, Randall S. Dube 2018-05-29
9975729 Elevator system using dynamic braking Kyle W. Rogers 2018-05-22
9979412 Encoder resolution reduction Keunmo Kang, Slade R. Culp, Craig Drew Bogli, William A. Veronesi 2018-05-22
9935494 Elevator power supply for inverter controller Kyle W. Rogers, Craig Drew Bogli, Leslie C. Watterson 2018-04-03
9915307 Brake Zbigniew Piech, Adrian D. West, Harold Terry 2018-03-13
9912266 Motor torque ripple reduction using DC bus harmonics Zhenhong Li 2018-03-06
9815665 Battery mounting in elevator hoistway Kyle W. Rogers, David J. Lanesey, Bassel Al-Annouf, Ismail Agirman, HanJong Kim 2017-11-14
9804612 Regulated bootstrap power supply Steven M. Millett 2017-10-31
9719569 Brake for electric motor Zbigniew Piech, Kyle W. Rogers 2017-08-01
9688512 Elevator brake Adrian D. West, Justin Billard, Harold Terry, Zbigniew Piech 2017-06-27
9586789 Elevator braking in a battery powered elevator system Ismail Agirman 2017-03-07
9561934 Elevator system with guide rail bracket Richard J. Ericson, Stephen R. Nichols, Harold Terry 2017-02-07
9561936 Elevator system door frame that supports guide rails Robin Mihekun Miller, Leandre Adifon, Mark S. Thompson, Harold Terry, Richard J. Ericson +1 more 2017-02-07
9511976 Position feedback for elevator system Keunmo Kang, Timothy D. DeValve, William A. Veronesi, Slade R. Culp, Harold Terry +1 more 2016-12-06
9422135 Elevator drive power supply control Kyle W. Rogers 2016-08-23
9372083 Device and method for determining position information using accelerometers on a rotating component Keunmo Kang, William A. Veronesi, Robert K. Thornton 2016-06-21
9296589 Elevator regenerative drive control referenced to DC bus 2016-03-29
9272880 Elevator system including control electronics supported on an elevator machine support Richard J. Ericson, Harold Terry, Stephen R. Nichols 2016-03-01
8970152 Elevator motor power supply control Michael Mann, Steven M. Millett 2015-03-03
8939262 Elevator over-acceleration and over-speed protection system Greg A. Schienda, Harold Terry, James M. Draper, Anthony Cooney, Jose M. Carballo 2015-01-27
8922074 Elevator machine motor and drive and cooling thereof Mikhail B. Gorbounov, Zbigniew Piech, Vladimir Blasko, William A. Veronesi, Igor I. Fedchenia +1 more 2014-12-30