Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980782 | Antenna device and method for transmitting and receiving radio waves | Christian Braun, Olov Edvardsson | 2005-12-27 |
| 6954180 | Antenna device for transmitting and/or receiving radio frequency waves and method related thereto | Christian Braun, Olov Edvardsson | 2005-10-11 |
| 6917790 | Antenna device and method for transmitting and receiving radio waves | Christian Braun, Olov Edvardsson | 2005-07-12 |
| 6392610 | Antenna device for transmitting and/or receiving RF waves | Christian Braun, Olov Edvardsson, Liu Donghui | 2002-05-21 |
| 6342869 | Antenna device and a radio communication device including an antenna device | Olov Edvardsson, Christian Braun, Hans-Peter Kurz | 2002-01-29 |
| 5764064 | Method and device for identifying single ground faults | Murari Saha | 1998-06-09 |
| 5493228 | Method and device for measuring and recreating the load current in a power network in connection with the occurrence of faults | Murari Saha | 1996-02-20 |
| 5446387 | Method and a device for determining a fault on a transmission line | Murari Saha | 1995-08-29 |
| 5399974 | Fault current filter | Murari Saha | 1995-03-21 |
| 5390067 | Phase selection for ground fault | Murari Saha, Kjell Svensson | 1995-02-14 |
| 5375026 | Method and device for preventing overstabilization of longitudinal differential protection in case of internal fault | Murari Saha | 1994-12-20 |
| 5352983 | Method and apparatus for detecting flashover between conductors in power transmission lines of different voltage levels suspended in parallel from the same towers | Murari Saha | 1994-10-04 |
| 4566569 | Synchronizing mechanism in a vehicle gearbox | — | 1986-01-28 |
| 4377834 | Multiphase blocking circuitry for electrical power supply networks | Salomon Liberman | 1983-03-22 |
| 4296452 | Multiphase fault protection circuitry with variable functional level detection | Salomon Liberman | 1981-10-20 |
| 4254444 | Multiphase undervoltage tripping circuitry for electrical power supply networks | Salomon Liberman | 1981-03-03 |