Issued Patents 2019
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513413 | PWM strategy for regenerative multilevel drive | Shashank Krishnamurthy, Prasanna Nagarajan, HanJong Kim, Yang Wang | 2019-12-24 |
| 10454387 | Interposition inductor arrangement for multiple drives in parallel | HanJong Kim | 2019-10-22 |
| 10381968 | Converter pulse width modulation strategies for three phase regenerative drives | — | 2019-08-13 |
| 10343872 | Elevator system having battery and energy storage device | Carlo Mezzadri | 2019-07-09 |
| 10287131 | Elevator drive control to protect drive components from moisture | Prasanna Nagarajan | 2019-05-14 |
| 10273119 | Elevator load weighing system | James L. Hubbard, Takashi Onodera | 2019-04-30 |
| 10246294 | Bus capacitor bank configuration for a regenerative drive | Steven M. Millett, HanJong Kim | 2019-04-02 |
| 10221038 | Control strategies for multilevel line regenerative drive | Yang Wang, Shashank Krishnamurthy | 2019-03-05 |
| 10218262 | Hybrid direct current link system for a regenerative drive | — | 2019-02-26 |