Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12381398 | Grid forming vector current control | Stefan Almer, Lennart Harnefors | 2025-08-05 |
| 12334812 | Method and a device for compensating a faulty switch in a multi-level flying capacitor converter | Hemant Bishnoi, Sami Pettersson, Daniel Christen, Gernot Riedel | 2025-06-17 |
| 12323073 | Method for operating a power electronic converter device with floating cells | Ioannis Tsoumas, Tobias Geyer, Eduardo Rohr, Frederick Kieferndorf, Wim Van-Der-Merwe +2 more | 2025-06-03 |
| 12143033 | Flying capacitor switching cell-system | Daniel Christen, Hemant Bishnoi, Sami Pettersson | 2024-11-12 |
| 12119704 | Uninterruptible power supply device | Silvio Colombi | 2024-10-15 |
| 12081142 | Modulator for flying-capacitor type multilevel converter, multilevel converter, and method for operating multilevel converter | Daniel Christen, Hemant Bishnoi | 2024-09-03 |
| 12074531 | Converter system | Ivan Furlan, Nicola Notari | 2024-08-27 |
| 11784583 | Cascaded pulse width modulation converter control | Tobias Geyer, Ioannis Tsoumas | 2023-10-10 |
| 11735928 | Multi-port grid forming control for grid interties | Stefan Almer, Lennart Harnefors | 2023-08-22 |
| 11563370 | Protection scheme for power converters utilizing cascaded bipolar and unipolar power semiconductor devices | Sami Pettersson, Ki Bum Park, Francisco Canales | 2023-01-24 |
| 10637366 | Two stage control of converter system with floating cells | Wim van der Merwe, Tobias Geyer, Ioannis Tsoumas | 2020-04-28 |
| 10348168 | Inverter cell arrangement for brushless electrical machine | Ghanshyam Shrestha, Zhiguo Pan, Nikoloas Oikonomou, Rajib Mikail | 2019-07-09 |
| 10177633 | Multiphase fractional slot concentrated winding machine with end mounted detachable or integrated multiphase series converter circuit | Ghanshyam Shrestha, Zhiguo Pan, Darren Tremelling, Waqas Arshad | 2019-01-08 |
| 9876456 | Brushless electrical machine | Zhiguo Pan, Ghanshyam Shrestha | 2018-01-23 |
| 9651603 | Method and power converter for determining cell capacitor degradation in a converter cell | Roman Grinberg | 2017-05-16 |