Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409709 | Medium-to-high voltage power system for a transport refrigeration unit | Xu She, Jeffrey J. Burchill, Mary D. Saroka, Christopher G. Repice | 2025-09-09 |
| 12181170 | Redundant power supply for HVAC system including refrigerant leakage mitigation | Xu She, David Ginsberg | 2024-12-31 |
| 12018875 | Motor braking for air conditioning system | Ismail Agirman | 2024-06-25 |
| 11933516 | Redundant power supply for HVAC system including refrigerant leakage mitigation | Xu She, David Ginsberg | 2024-03-19 |
| 11584195 | Time sharing control of transport refrigeration system | Jaegue Shin, Xu She, XuQiang Liao, Ismail Agirman, David Ginsberg | 2023-02-21 |
| 11554642 | Voltage conversion system for transport refrigeration system | Xu She, XuQiang Liao, Jaegue Shin, Ismail Agirman, David Ginsberg | 2023-01-17 |
| 10654682 | Conveyance system having paralleled drives | Ismail Agirman, Jeffrey M. Izard | 2020-05-19 |
| 10513414 | System and method of maintaining performance of a system | Yang Wang, Christopher S. Czerwinski, Edward Piedra, Shashank Krishnamurthy, Draguna Vrabie +1 more | 2019-12-24 |
| 10513413 | PWM strategy for regenerative multilevel drive | Ismail Agirman, Shashank Krishnamurthy, Prasanna Nagarajan, Yang Wang | 2019-12-24 |
| 10454387 | Interposition inductor arrangement for multiple drives in parallel | Ismail Agirman | 2019-10-22 |
| 10308476 | Elevator control system having controller in communication with power provider | — | 2019-06-04 |
| 10246294 | Bus capacitor bank configuration for a regenerative drive | Ismail Agirman, Steven M. Millett | 2019-04-02 |
| 9815665 | Battery mounting in elevator hoistway | Kyle W. Rogers, Daryl J. Marvin, David J. Lanesey, Bassel Al-Annouf, Ismail Agirman | 2017-11-14 |
| 8127894 | Elevator motor drive tolerant of an irregular power source | Ismail Agirman, Christopher S. Czerwinski, Jeffrey M. Izard, Edward Piedra, Vladimir Blasko +1 more | 2012-03-06 |