Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11973483 | Coupled filter inductor for interleaved power converter | — | 2024-04-30 |
| 10978961 | Pulsed rectifier architecture | — | 2021-04-13 |
| 10778032 | Systems and methods for improving efficiency of a neutral-point-clamped inverter | Rajesh Ghosh, Damir Klikic | 2020-09-15 |
| 9722459 | Apparatus and method for providing uninterruptible power | — | 2017-08-01 |
| 9595876 | DC-DC converter | — | 2017-03-14 |
| 8842452 | 3-phase high power UPS | — | 2014-09-23 |
| 8803361 | Apparatus and method for providing uninterruptible power | Flemming Johansen | 2014-08-12 |
| 8664796 | 3-phase high power ups | — | 2014-03-04 |
| 8385091 | 3-phase high-power UPS | — | 2013-02-26 |
| 8344551 | 3-phase high-power UPS | — | 2013-01-01 |
| 8143744 | Method and apparatus for providing uninterruptible power | Ranganathan Gurunathan, Pothapragada Pavana Kumar, Damir Klikic | 2012-03-27 |
| 8053927 | Method and apparatus for providing uninterruptible power | Thomas Hjort, Michael Pedersen, Henrik Mathiesen, Richard Dyrmose Olsen | 2011-11-08 |
| 8008809 | 3-phase high power UPS | — | 2011-08-30 |
| 7855472 | Method and apparatus for providing uninterruptible power | Thomas Hjort, Michael Pedersen, Henrik Mathiesen, Richard Dyrmose Olsen | 2010-12-21 |
| 7737580 | Method and apparatus for providing uninterruptible power | Thomas Hjort, Michael Pedersen, Henrik Mathiesen, Richard Dyrmose Olsen | 2010-06-15 |
| 7705489 | Method and apparatus for providing uninterruptible power | Ranganathan Gurunathan, Pothapragada Pavana Kumar, Damir Klikic | 2010-04-27 |
| 7688048 | 3-phase high power UPS | — | 2010-03-30 |
| 7583521 | Over voltage clamp | Jesper Winston Petersen | 2009-09-01 |
| 7456518 | Method and apparatus for providing uninterruptible power | Thomas Hjort | 2008-11-25 |
| 7456524 | Apparatus for and methods of polyphase power conversion | Thomas Hjort | 2008-11-25 |
| 7352083 | Apparatus for and method of UPS operation | Morten Pedersen, Martin Zacho | 2008-04-01 |
| 7274112 | Method and apparatus for providing uninterruptible power | Thomas Hjort | 2007-09-25 |
| 7126409 | Three level inverter | — | 2006-10-24 |
| 7106607 | Combined AC-DC to DC converter | — | 2006-09-12 |
| 7012825 | Combined AC-DC to DC converter | — | 2006-03-14 |