Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11866295 | Active braking for immediate stops | Prasanna Nagarajan, David Ginsberg, Daryl J. Marvin, Ronnie E. Thebeau | 2024-01-09 |
| 11296623 | Emergency braking for a drive system | Prasanna Nagarajan, Konda Reddy Chevva | 2022-04-05 |
| 10934130 | Elevator control system | Jose Miguel Pasini, David Ginsberg, Arthur Hsu | 2021-03-02 |
| 10934131 | Ropeless elevator control system | Vladimir Blasko, Enrico Manes | 2021-03-02 |
| 10919732 | Embedded power module | — | 2021-02-16 |
| 10787340 | Sensor and drive motor learn run for elevator systems | David Ginsberg, Lei Xing, Penghe Geng, Ankit Gupta, Yogesh Parmod Jadhav +2 more | 2020-09-29 |
| 10773922 | Drive and control for six-phase electrical machines with negligible common-mode voltage | Dong JIANG, Daryl J. Marvin | 2020-09-15 |
| 10745238 | Power distribution for multicar, ropeless elevator system | Daryl J. Marvin, Luis Arnedo | 2020-08-18 |
| 10689226 | Position determining system for multicar ropeless elevator system | Peter DePaola, Richard N. Fargo, David Ginsberg, Dang V. Nguyen | 2020-06-23 |
| 10680538 | Emergency braking for a drive system | Prasanna Nagarajan, Konda Reddy Chevva | 2020-06-09 |
| 10647543 | Multi-car elevator control | David Ginsberg, Dang V. Nguyen | 2020-05-12 |
| 10513414 | System and method of maintaining performance of a system | Yang Wang, HanJong Kim, Christopher S. Czerwinski, Edward Piedra, Draguna Vrabie +1 more | 2019-12-24 |
| 10513413 | PWM strategy for regenerative multilevel drive | Ismail Agirman, Prasanna Nagarajan, HanJong Kim, Yang Wang | 2019-12-24 |
| 10427908 | Emergency mode operation of elevator system having linear propulsion system | Daryl J. Marvin | 2019-10-01 |
| 10407273 | Elevator braking control system | David Ginsberg, Xiaodong Luo, Dang V. Nguyen, Richard N. Fargo | 2019-09-10 |
| 10381952 | Universal power electronic cell for distributed generation | Luis Arnedo, Vladimir Blasko | 2019-08-13 |
| 10366935 | Architecture of drive unit employing gallium nitride switches | Xin Wu, William A. Veronesi, Kyle W. Rogers, Daryl J. Marvin | 2019-07-30 |
| 10308480 | Embedded power module | — | 2019-06-04 |
| 10221038 | Control strategies for multilevel line regenerative drive | Ismail Agirman, Yang Wang | 2019-03-05 |
| 10008917 | Bus capacitor bank configuration for a multi-level regenerative drive | Ismail Agirman, Steven M. Millett, Yang Wang | 2018-06-26 |
| 9998031 | PWM controlled neutral point clamped multilevel converter | Luis Arnedo, Marinko Kovacic, Yang Wang | 2018-06-12 |
| 9755546 | PWM controlled neutral point clamped multilevel converter | Luis Arnedo, Marinko Kovacic, Yang Wang | 2017-09-05 |
| 9673713 | Gate drive power supply for multilevel converter | Marinko Kovacic | 2017-06-06 |
| 9220184 | Advanced cooling for power module switches | Ram Ranjan, Matthew Robert Pearson | 2015-12-22 |
| 7715950 | Non-inverter based distributed energy resource for use in a dynamic distribution system | Robert H. Lasseter | 2010-05-11 |