Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7924583 | Method and arrangement in connection with inverter | — | 2011-04-12 |
| 7911171 | Device for generating analog current or voltage signal | — | 2011-03-22 |
| 7733048 | Method and arrangement in connection with motor fed with frequency converter provided with intermediate voltage circuit | — | 2010-06-08 |
| 7679425 | Turn-off of gate-controlled switch | — | 2010-03-16 |
| 7652602 | Signal interface circuit | — | 2010-01-26 |
| 7456615 | Charging arrangement for capacitor means | — | 2008-11-25 |
| 7446268 | Lead-through component and method | — | 2008-11-04 |
| 7271505 | Voltage balancing in intermediate circuit capacitors | — | 2007-09-18 |
| 7176779 | Inductor arrangement | — | 2007-02-13 |
| 7109780 | Control circuit for semiconductor component | — | 2006-09-19 |
| 6977449 | Frequency converter and drive for electric motor | — | 2005-12-20 |
| 6967453 | Method and apparatus for controlling fan motor | — | 2005-11-22 |
| 6934169 | Method of controlling half-controlled rectifier, and rectifier structure | — | 2005-08-23 |
| 6305464 | Method for producing a cooling element, and a cooling element | Matti Smalen | 2001-10-23 |
| 6265724 | Galvanic isolation coupling of current loop | — | 2001-07-24 |
| 6252436 | Method and arrangement for determining state information of power semiconductor | — | 2001-06-26 |
| 6229356 | Stabilized gate drivers | — | 2001-05-08 |
| 6184740 | Control Circuit | — | 2001-02-06 |
| 6175256 | Control circuit | — | 2001-01-16 |
| 6147887 | Inverter utilizing a bootstrap method | — | 2000-11-14 |
| 5952613 | Connector for connecting a three-phase cable and manufacturing method of the connector | — | 1999-09-14 |
| 5530385 | Control circuit for a semiconductor switch | — | 1996-06-25 |
| 5301085 | Control circuit for a semiconductor switch | — | 1994-04-05 |