Issued Patents All Time
Showing 25 most recent of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052959 | Weatherproof track and contact for electrical feeding of road vehicles | — | 2018-08-21 |
| 9208979 | High voltage DC breaker apparatus | Jürgen Häfner | 2015-12-08 |
| 9199541 | System adapted for one or more electrically propellable vehicles (arm-shaped contact means) | — | 2015-12-01 |
| 9162577 | System adapted for one or more electrically propellable vehicles (contact means) | — | 2015-10-20 |
| 9035486 | System adapted for one or more electrically propellable vehicles (detector arrangement) | — | 2015-05-19 |
| 9024421 | Connection arrangement for semiconductor power modules | Didier Cottet, Stefan Linder | 2015-05-05 |
| 8875857 | System adapted for one or more electrically propellable vehicles (a snow plough arrangement) | — | 2014-11-04 |
| 8867241 | Method of upgrading a plant for transmitting electric power and such a plant | Erik Koldby | 2014-10-21 |
| 8851253 | System adapted for one or more electrically propellable vehicles (battery charging arrangement) | — | 2014-10-07 |
| 8851252 | System adapted for one or more electrically propellable vehicles (cleansing means) | — | 2014-10-07 |
| 8830636 | High voltage DC switchyard with semiconductor switches | Jürgen Häfner | 2014-09-09 |
| 8794410 | System adapted for one or more vehicles, which may be driven forward electrically | — | 2014-08-05 |
| 8776970 | System adapted for one or more electrically propellable vehicles (letting water pass by electrical conductors) | — | 2014-07-15 |
| 8776969 | Overload restriction in system for electrical vehicles | — | 2014-07-15 |
| 8763773 | System adapted for one or more electrically propellable vehicles (arrangement for metal detection) | — | 2014-07-01 |
| 8763774 | System adapted for one or more electrically propellable vehicles (rail structure) | — | 2014-07-01 |
| 8737096 | Tapping power from a HVDC transmission system | — | 2014-05-27 |
| 8717786 | Plant for transmitting electric power utilizing asymmetric operation of voltage source converters | Björn Jacobson | 2014-05-06 |
| 8716893 | Voltage in a voltage source converter, a voltage source converter and a method for control thereof | — | 2014-05-06 |
| 8665617 | Plant for transmitting electric power | — | 2014-03-04 |
| 8629351 | DC cable for high voltages | Björn Jacobson | 2014-01-14 |
| 8611113 | Fault protection in voltage source converters with redundant switching cells via mechanical switches being closed pyrotechnically | — | 2013-12-17 |
| 8467163 | Protecting apparatus | — | 2013-06-18 |
| 8422257 | Voltage source converter | — | 2013-04-16 |
| 8422260 | Arrangement for voltage conversion | — | 2013-04-16 |