Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |