Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11897725 | Adjustment of drop rate of elevator car with electromagnetic brake system | Ismail Agirman, Amir Lotfi | 2024-02-13 |
| 11415191 | System and method configured to identify conditions indicative of electromagnetic brake temperature | Camilo Cardona, Benjamin J. Watson, KilMoon Yoon, Jeongki Shin, Tao Mu | 2022-08-16 |
| 10734925 | Multilevel drive half DC bus power supplies | Ismail Agirman | 2020-08-04 |
| 10450162 | Electromagnetic brake control circuitry for elevator application | Amir Lotfi, YiSug Kwon | 2019-10-22 |
| 10246294 | Bus capacitor bank configuration for a regenerative drive | Ismail Agirman, HanJong Kim | 2019-04-02 |
| 10008917 | Bus capacitor bank configuration for a multi-level regenerative drive | Ismail Agirman, Shashank Krishnamurthy, Yang Wang | 2018-06-26 |
| 9804612 | Regulated bootstrap power supply | Daryl J. Marvin | 2017-10-31 |
| 8970152 | Elevator motor power supply control | Daryl J. Marvin, Michael Mann | 2015-03-03 |